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MSDS 4636-4

4636-3: Brake Parts Cleaner 32 Oz Bttl [12]
4636-4: Brake Parts Cleaner 1 Gallon [4]
4736: Brake Parts Clnr 16 Oz Trg [12]
MSDS Last updated: 04/29/2005
                            MATERIAL SAFETY DATA SHEET
                           Imperial Brake Parts Cleaner


Flammability:   4
Instability:    0
Health;         2
Special:        -

Revision:
Printed: 02/14/2005
Date Created:  01/25/2002


                      1.  PRODUCT AND COMPANY IDENTIFICATION


Product Code:   4636-4, 4636-3 & 4736
Product Name:   Imperial Brake Parts Cleaner
Reference #:    LAB 306-J
Manufacturer Information
            Company Name;  Imperial Supplies LLC
                           789 Packer Drive
                           P.O. Box 11008
                           Green Bay, WI.  54307-1008
            Emergency Contact 1: Chem Tel   (800) 255-3924
            Information Contact: (800) 558-2808


                    2.  COMPOSITION/INFORMATION ON INGREDIENTS


Hazardous Components   CAS #      Percentage   OSHA     ACGIH      Other Limits
(Chemical Name)                                PEL      TLV
--------------------------------------------------------------------------------
1. Heptane             142-82-5   18.0-25.0 %  500 PPM  500 PPM    400 STEL
2. Methylcyclohexane   108-87-2   1.0 - 5.0 %  400 PPM  400 PPM    500 PPM
3.OCTANE MIXTURE       NA         1.0-5.0 %    375 PPM  300 PPM    300 STEL
4. Cyclohexane         110-82-7   0.0-3.0 %    300 PPM  300 PPM    No data.
5. Toluene             108-88-3   12.0-25.0 %  150 PPM  50 PPM     No data.
6. Benzene             71-43-2    0.0-0.018 %  No data  No data    No data
7. Acetone             67-64-1    40.0-60.0 %  No data  No data    No data

Hazardous Components    RTECS #     OSHA      OSHA         ACGIH       ACGIH
(Chemial Name)                      STEL      CEIL         STEL        CEIL
--------------------------------------------------------------------------------
1. Heptane              M17700000   No data   No data      No data     No data
2. Methylcyclohexane    GV6125000   No data   No data      No data     No data
3. OCTANE MIXTURE       NA          No data   No data      No data     No data
4. Cyclohexane          GU6300000   No data   No data      No data     No data
5. Toluene              XS5250000   No data   No data      No data     No data
6. Benzene              CY1400000   No data   No data      No data     No data
7. Acetone              AL3150000   No data   No data      No data     No data


                            3.  HAZARDS IDENTIFICATION


Emergency Overview
            PHYSICAL STATE; LIQUID
            COLOR; TRANSPARENT, COLORLESS LIQUID
            ODOR; LIGHT PARAFFINIC HYDROCARBONS

            DANGER! Extremely Flammable Liquid: vapor may cause flash fire or
            explosion! Mist or vapor may irritate the eyes, mucous membranes,
            and respiratory tract!

            Liquid contact may cause minimal to mild eye and/or mild to moderate
skin irritation and inflammation! May be harmful if inhaled or absorbed through
the skin! Over exposure may cause central nervous system (CNS) depression and/or
other target organ effects! May be harmful or fatal if ingested! Aspiration
into the lungs can cause pulmonary edema and chemical pneumonia! Prolonged
and/or repeated inhalation may increase the heart's  susceptibility to
arrhythmias (irregular beats)! Based upon animal testing, may adversely affect
reproduction! Spills may crate a slipping hazard!

Route(s) of Entry:         Inhalation? Yes     Skin? Yes     Eyes? Yes
Ingestion? Yes
Potential Health Effects (Acute and Chronic)
            EYE CONTACT; Animal test results on similar materials suggest that
this product can cause minimal to mild eye irritation upon short-term exposure.
Symptoms include stinging, watering, redness, and swelling.

            SKIN CONTACT; Animal test results on similar material suggest that
this product can cause mild to moderate skin irritation. Short-term contact
symptoms include redness, itching, and burning of the skin. This material may
also be absorbed though the skin and produce CNS depression effects (see
inhalation). If the skin is damaged,  absorption increases. Prolonged and/or
repeated contact may cause moderate to severe dermatitis. Chronic symptoms may
include drying,  swelling, scaling, blistering, cracking and severe tissue
damage.

            INHALATION: Breathing high concentrations of vapor may cause
respiratory irritation, euphoria, excitation or giddiness, headache, nausea,
vomiting, abdominal pain, loss of appetite, fatigue, muscular weakness,
staggering gait, and central nervous system (CNS)  depression. CNS effects
include dizziness, drowsiness, disorientation, vertigo, memory loss, visual
disturbances, difficulty with breathing, convulsions, unconsciousness,
paralysis, coma and even death, depending upon the exposure concentration and/or
duration. Vapors can reduce the oxygen content in air. Approximately 20,000 ppm
(or 2 vol%) in air is fatal to humans in 5 to 10 minutes.  Sudden death from
cardiac arrest (heart attack) may result from exposure to 5,000 to 10,000 ppm
for only 5 minutes. Oxygen deprivation is possible if working in confined
spaces.

            INGESTION;  If swallowed this material may irritate the mucous
membranes of the mouth, throat, and esophagus. It can be readily absorbed by the
stomach and intestinal tract. Symptoms include a burning sensation of the mouth
and esophagus, nausea, vomiting, dizziness, staggering gait, drowsiness, loss of
consciousness and delirium. Additional central nervous system (CNS) effects
may occur prior to the onset of convulsions, coma and death.

Due to its light viscosity, there is a danger of aspiration into the lungs
during vomiting. Aspiration can result in severe lung damage or death.
Progressive CNS depression, respiratory insufficiency, and ventricular
fibrillation may also result in death.

            CHRONIC HEALTH EFFECTS SUMMARY; Chronic effects of ingestion and
            subsequent aspiration into the lungs may cause pneumatocele (lung
            cavity) formation and chronic lung dysfunction.
            Reports have associated repeated and prolonged occupational over
            exposure to solvents with irreversible brain and nervous system
            damage (sometimes called "solvent or Painter's Syndrome").
            Intentional misuse by deliberately concentrating and inhaling this
            product may be harmful or fatal.

            Available information indicates that toluene is NOT teratogenic, but
            it can be toxic to the embryo and fetus and  may reduce fertility.
            In animal tests, high inhaled doses of toluene has caused reduced
            litter seizers, retarded development of the fetus, and increased
            incidence of non-lethal abnormalities.

Signs and Symptoms Of Exposure
            SEE HEALTH HAZARD SECTION
Medical Conditions Generally Aggravated By Exposure
            Women attempting to conceive should avoid exposure to this product.

            Personnel with pre-existing central nervous system disease,
            neurological conditions, skin disorders, liver, or kidney function,
            or chronic respiratory diseases. Exposure to high concentrations of
            this material may increase the sensitivity of the heart to
            epinephrine (adrenalin) and catecholamine-like drugs.
            Personnel with pre-existing cardiac disorders may be more
            susceptible to this effect.
OSHA Hazard Classes;
            HEALTH HAZARDS; Reproductive Toxin, Irritant, Sensitizer
            PHYSICAL HAZARDS; Explosive, Flammable Liquid/Sol
            TARGET ORGANS & EFFECTS: Lungs, Kidney, Eyes, Skin, Liver, Central
            Nervous System, Mucous Membranes, Blood.


                              4.  FIRST AID MEASURES


Emergency and First Aid Procedures
            EYE CONTACT: Check for and remove contact lenses. If irritation or
redness develops, flush eyes with cool, clean low-pressure water for at least 15
minutes. Hold eyelids apart to ensure complete irrigation of the eye and eyelid
tissue. Do not use eye ointment. Seek medical attention immediately.

            SKIN CONTACT; Remove contaminated shoes and clothing. Flush affected
            area with large amounts of water. If skin surface is damaged, apply
            a clean dressing and seek medical attention. Do not use ointments.
            If skin surface is not damaged, clean affected area thoroughly with
            mild soap and water. Seek medical attention if tissue appears
            damaged or if pain or irritation persists.

            INHALATION; Immediately remove the affected victim to fresh air.
            Administer artificial respiration if breathing is stopped. If heart
            has stopped, immediately begin cardiopulmonary resuscitation (CPR).
            If breathing is difficult, 100 percent humidified oxygen should be
            administered by a qualified individual. Seek medical attention
            immediately.

            INGESTION: Do NOT induce vomiting or give anything by mouth. If
            spontaneous vomiting is about to occur, place victim's head below
            knees. If victim is drowsy or unconscious, place on the left side
            with head down. Never give anything by mouth to a person who is not
            fully conscious. Do not leave victim unattended. Seek medical
            attention immediately. Note to Physician

NOTES TO PHYSICIAN; Inhalation overexposure can product toxic effects.
Monitor for respiratory distress. If cough or difficulty in breathing develops,
evaluate for upper respiratory tract inflammation, bronchitis, and pneumonitis
Vigorous anti-inflammatory/steroid treatment may be required at first
evidence of upper airway or pulmonary edema. Administer 100 percent
humidified supplemental oxygen with assisted ventilation, as required.

If ingested, this material presents a significant aspiration/chemical
pneumonitis hazard. As a result induction of  emesis is not recommended.
Administer an aqueous slurry of activated charcoal followed by a cathartic
such as magnesium citrate or orbital. Also, treatment may involve careful
gastric lavage if performed soon after ingestion or in patients who are comatose
or at risk of convulsing. Protect the airway be cuffed end tracheal intubations
or by placement of the body in a Trendelenburg and left lateral decubitus
position. Obtain chest x-ray and liver function tests. Monitor for cardiac
function, respiratory distress and arterial blood gases in severe exposure
cases.

Epinephrine and other sympathomimetic drugs may initiate cardiac arrhythmias
(irregular beating) in persons exposed to high concentrations of this material
(e.g. in enclosed spaces or with deliberate abuse). If used, monitor heart
action closely. Consider use of other drugs with less arrhythmogenic potential.


                            5.  FIRE FIGHTING MEASURES


Flash Point                   1.90 F  (-16.7 C)         Method: Pure Acetone
Explosive Limits:           LEL; No data               UEL: No data.
Autoignition Point         No data.
Fire Fighting Instructions
            Firefighters must use full bunker gear including NIOSH-approved
positive pressure self-contained breathing apparatus to protect against
potential hazardous combustion or decomposition products and oxygen
deficiencies.  Evacuate area and fight the fire from a maximum distance or use
unmanned hose holders or monitor nozzles. Cover pooling liquid with foam.
Containers can build pressure if exposed to radiant heat: cool adjacent
containers with flooding quantities of water until well after the fire is out.
Withdraw immediately from the area if there is a rising sound from venting
safety devices or discoloration of vessels, tanks or pipelines. Be aware that
burning liquid will float on water. Notify appropriate authorities if liquid(s)
enter sewers/waterways.

Flammable Properties and Hazards
            EXTREMELY FLAMMABLE LIQUID! This material releases vapors at or
below ambient temperatures. When mixed with air in certain proportions and
exposed to an ignition source, its vapor can cause a flash fire. Use only with
adequate ventilation. Vapors are heavier than air and may travel long distances
along the ground to an ignition source and flash back. May create vapor/air
explosion hazard in confined spaces such as sewers. If container is not properly
cooled, it can rupture in the heat of a fire.

Hazardous Combustion Products
            Smoke, carbon monoxide, carbon dioxide.

Extinguishing Media
            SMALL FIRE; Use dry chemicals, carbon dioxide (CO2), foam, water
fog, or inert gas (nitrogen).

            LARGE FIRE; use foam, water fog or water spray. Water fog and spray
are effective in cooling containers and adjacent structures but might cause
frothing and/or may not achieve extinguishment. A water jet may be used to cool
the vessel's external walls to prevent pressure build-up, autoigniton, or
explosion. Never use a water jet directly on the fire because it may spread the
fire to a large area.


                         6.  ACCIDENTAL RELEASE MEASURES


Steps To Be Taken In Case Material Is Released Or Spilled
            Flammable Liquid! Release causes an immediate fire or explosion
hazard. Evacuate all non-essential personnel from immediate area and establish a
"regulated zone" with site control and security. A vapor-suppressing foam
may be used to reduce vapors. Eliminate all ignition sources. All equipment
used when handling this material must be grounded. Stop the leak if it can be
done without risk. Do not touch or walk through spilled material. Remove
spillage immediately from hard, smooth walking areas. Prevent its entry into
waterways, sewers, basements, or confined areas. Absorb or cover with dry
earth, sand, or other non-combustible material and transfer to appropriate waste
containers. Use clean, non-sparking tools to collect absorbed material.

            For large spills, secure the area and control access. Dike far ahead
of a liquid spill to ensure complete collection. Water mist or spray may be used
to reduce or disperse vapors: but it may not prevent ignition in closed spaces.
This material will float on water and its run-off may create an explosion or
fire hazard. Verify that responders are properly HAZWOPER- trained and wearing
appropriate respiratory equipment and fire-resistant protective clothing during
cleanup operations. In an urban area, cleanup spill as soon as possible. In
natural environments, cleanup on advise from a specialists. Pick up free liquid
for recycle and/or disposal if it can be accomplished safely with
explosion-proof equipment. Collect any excess material with absorbent pads,
sand, or other inert non-combustible absorbent materials. Place into appropriate
waste containers for later disposal. Comply with all laws and regulations.


                             7.  HANDLING AND STORAGE


Precautions To Be Taken In Handling
            HANDLING: A spill or leak can cause an immediate fire/explosion
hazard. Keep containers closed and do not handle or store near heat, sparks, or
any other potential ignition sources. Bond and ground all equipment before
transferring this material from one container to another. Do not contact with
oxidizable materials. Do not breathe vapor. Use only with adequate ventilation/
personal protection. Never siphon by mouth. Avoid contact with eyes, skin and
clothing. Prevent contact with food, chewing or smoking material. Do not take
internally.

            When performing repairs and maintenance on contaminated equipment,
keep unnecessary persons away from the area. Eliminate all potential ignition
sources. Drain and purge equipment, as necessary, to remove material residues.
Use gloves constructed of impervious materials. And protective clothing if
direct contact is anticipated. Provide ventilation to maintain exposure
potential below applicable exposure limits. Promptly remove contaminated
clothing. Wash exposed skin thoroughly with mild soap and water after handling.

            Empty containers may contain material residues which can ignite with
explosive force. Misuse of empty containers can be dangerous if used to store
toxic, flammable, or reactive materials. Cutting or welding of empty containers
can cause fire, explosion or release of toxic fumes from residues. Do not
pressurize or expose empty containers to open flame, sparks or heat. Keep
container closed and drum bungs in place. All label warnings and precautions
must be observed. Return empty drums to a qualified reconditioner. Consult
appropriate federal, state, and local authorities before reusing,
reconditioning, reclaiming, recycling or disposing of empty containers and/or
waste residues of this material.
Precautions To Be Taking In Storing
            STORAGE; Store and transport in accordance with all applicable laws.
Keep containers  closed and store in a cool, dry, well-ventilated place, plainly
labeled, and out of closed vehicles. Keep away from all ignition sources! Ground
all equipment containing this material. Containers should be able to withstand
pressures expected from  warming and cooling in storage. This flammable
liquid should be stored in a separate safety cabinet or room, and preferably
refrigerated. All electrical equipment in areas where this material is stored or
handled should be installed in accordance with applicable requirements of the
NFPA's national Electrical code (NEC).

Other Precautions
            None


                    8.  EXPOSURE CONTROLS/PERSONAL PROTECTION


Respiratory Equipment (Specify Type)
            For unknown vapor concentrations use a positive-pressure-demand,
self-contained breathing apparatus (SCBA).
For known vapor concentrations above the occupational exposure
guidelines (see below) use a NIOSH-approved organic vapor respirator if
adequate protection is provided. Protection factors vary depending upon the
type of respirator used. Respirator use should follow OSHA requirements
(29CFR 1910.134) or equivalent standard.

Eye Protection
            Safety glasses with side shields are recommended as a minimum
protection. During transfer operations or when there is a likelihood of misting,
splashing, or spraying, chemical goggles and face shield should be worn.
Suitable eye wash water should be readily available.

Protective Gloves
            Avoid skin contact and use gloves (disposable PVC, neoprene, nitrile
vinyl or PVC/NBR). Before eating, drinking, smoking, use of toilet facilities,
or leaving work, wash hands with plenty of mild soap and water. Do NOT use
gasoline, kerosene, other solvents, or harsh abrasive skin cleaners.

Other Protective Clothing
            Avoid skin contact. It is recommended that fire-retardant garments
(eg Nomex) be worn while working with flammable and combustible liquids. If
splashing or  spraying is expected, chemical-resistant protective clothing
should be worn (Tyvek, nitrile or neoprene). This might include long-sleeves,
apron, slicker suit, boots and additional facial protection. If general contact
occurs, immediately remove soaked clothing and take a shower. Contaminated
leather goods should be removed promptly and discarded.

Engineering Controls (Ventilation etc.)
            Provide exhaust ventilation or other engineering controls to keep
the airborne concentrations of vapor and/or mists below the pertinent exposure
limits (see below). All electrical equipment should comply with the NFPA  NEC
standards. Ensure that an emergency eye wash station and safety shower are
            near the work-station location.

Work/Hygienic/Maintenance Practices
           Personal protective equipment should be selected based upon the
conditions under which this material is used. A hazard assessment of the work
area for PPE requirements should be conducted by a qualified professional
pursuant to OSHA regulations.


                       9.  PHYSICAL AND CHEMICAL PROPERTIES


Physical States:    [  ] Gas     [X] Liquid     [  ] Solid
Melting Point       No data.
Boiling Point       No data
Specific Gravity:   0.775
Density:            No data
Vapor Pressure:     No data
Vapor Density:      No data
Evaporation Rate;   No data
Solubility in Water:    No data
Other Solubility Notes; Not soluble
Percent Volatile:       No data
VOC / Volume:           45.0000
HAP / Volume:           0.0000
Saturated Vapor Concentration;   No data
Viscosity:                       No data
pH;                              No data
Appearance and Odor
            Clear colorless liquid with a hydrocarbon odor.


                          10.  STABILITY AND REACTIVITY


Stability;    Unstable [  ]     Stable [X]
Conditions To Avoid - Instability
            Keep away from extreme heat, strong acids, and strong oxidizing
conditions.

Incompatibility - Materials To Avoid
            Strong acids, alkalies, and oxidizers such as liquid chlorine,
hydrogen peroxide and oxygen. n-Heptane will dissolve some plastics.

Hazardous Decomposition Or Byproducts
            No substances are readily identified from composition: but, no
degradation data is available.

Hazardous Polymerization:        Will occur [  ]     Will not occur [X]
Conditions To Avoid - Hazardous Polymerization
            Will Not Occur


                          11.  TOXICOLOGICAL INFORMATION


Toxicological Information
            Acetone:
            INHALATION (LC50):  50,000 mg/m3   8 hours (Rat)
            DERMAL (LD50):      20,000 gm/kg (Rabbit)
            INGESTION (LD50):   5.8 g/kg (Rat)
            Cyclohexane:
            GAS (LC50):  Acute: 22,500 ppm for 4 hours (Rabbit)
            ORAL (LD50): Acute: 12,705 mg/kg (Rat)
            ORAL (LD50): Acute: 813 to 1300 mg/kg (Mouse)
            ORAL (LD50)  Acute: GT 180,000 mg/kg (Rabbit) - Severe diarrhea,
            vascular damage and collapse, hepatocellular degeneration, and
            glomerulonephritis.

            Toluene:
            ORAL (LD50) Acute; 636 mg/kg or (Rat)
            ORAL (LD50) Acute: 4,000 mg/kg or (Cat)
            GAS (LC50) Acute: 400 ppm for 24 hours (Mouse)
            GAS (LC50) Acute: 49,000 mg/m3 for 4 hours (Rat)
            GAS (LC50) Acute: 5,320 ppm for 8 hours (Mouse)
            DERMAL (LC50) Acute: 14,100 uL/kg or 12,125 mg/kg (Rabbit)
            INTRAVENOUS (LD50) Acute: 1960 mg/kg (Rat)
            INTRAVENOUS (LD50) Acute: 2,000 gm/kg (Mouse)

            n-Heptane:
            Gas LC50; Acute: 103,000 mg/m3 for 4 hours (rat)-convulsions:
            Dermal LD50: Acute > 2,000 mg/kg rabbit
            Intravenous LD50: Acute 222 mg/kg mouse

            Methylcyclohexane:
            ORAL LD50: Acute 2250 mg/kg mouse
            GAS LC50: Acute 41,500 mg/m3 for 2 hours mouse-hyper motility and
            diarrhea.
            GAS LC50; Acute: 15,227 ppm for 1 hour, rabbit-general anesthetic,
            convulsions, and changes in the salivary glands.

            n-Octane:
            Gas (LC50) Acute: 118,000 mg/m3 for 4 hours, rat.

            Cyclohexane is an eye, skin and mucous membrane irritant, CNS
            depressant, and causes narcosis at high concentrations in air. There
            is a narrow margin between narcosis, loss of reflexes, and death. In
            experimental animals exposed to lethal concentrations by inhalation
            or oral route, there was generalized vascular damage and severe
            degenerative changes in the heart, lungs, liver, kidneys, and brain.
            Cyclohexane does not act as a promoter for tumors or
            mice when exposed to dimethylbenzanthracene: and, it did not induce
            unscheduled DNA synthesis in cultured human lymphocytes. It is not
            mutagenic in the Salmonella/micosome (Ames) or the mouse lymphoma
            L5178Y assays, with or without metabolic activation: however, it did
            increase the number of chromosomal aberrations in bone  marrow cells
            of rats exposed to between 100 and 300 ppm for 6 hours/day for 5
            days. These chromosomal aberrations did not appear to be
            dose-related.

            Toluene (methylbenzene) has been a major solvent of intentional
inhalation abuse. Deliberate long-term inhalation of high concentrations of
toluene (glue sniffing, etc.) (has been shown to cause liver, kidney, central
nervous system, and permanent brain damage. Effects such as impaired speech,
visual disturbances, and hearing loss, loss of balance and/or muscle control,
and memory loss have been reported. Exposures of 100 to 200 ppm in the air for
24 hours cause hallucinations, distorted perceptions, and changes in motor
activity. Studies have indicated that children of women who sniffed massive
exposure of toluene during pregnancy are at significant risk for pre-term
delivery, prenatal death, growth retardation, and other adverse developmental
effects. Isolated case reports have suggested a spectrum of congenital defects
similar to those seen in fetal alcohol (ethanol) syndrome. These children's
defects included microcephaly (small head size), central nervous system (CNS)
eficiencies, facial abnormalities, and reduced growth rate.

            Animal studies suggest that toluene causes kidney, liver, and/or
lung dysfunction and cardiac (heart muscle) sensitization to epinephrine or
other adrenalin-like agents. This sensitization may cause fatal changes in heart
beat rhythms. Also, this later effect was shown to be enhanced by hypoxia
(oxygen deficiency).

            Long-term rodent inhalation studies with toluene produced kidney
damage, enlargement of the liver and thymus, heart palpitations, brain damage,
general weakness, and impaired reaction time. Also, rats exposed to 1,200 ppm
and 1,400 ppm of toluene in air for 14 hours per day for 5 or 4 weeks
(respectively) exhibited high-frequency hearing loss. Several animal studies
using pregnant rodents have shown that toluene exposures may all cause embryo
and/or feto-toxicity. Adverse effects include decreased fetal body weight and
increased skeletal variations. In chronic feeding and inhalation studies,
toluene has not been shown to be carcinogenic, nor is it mutagenic in the
Salmonella/microsome (Ames) assay, the in-vivo rat bone marrow cell
chromosome aberrations assay, the in-virto mouse lymphoma assay, 8-week
dominant lethal assay, and the in-vitro human adult male lymphocyte ister
chromatid exchanges assay. The significance of these animal study results
to humans is not known.

2,2,4-Trimethylpentane (Iso-octane) was highly irritating to mice at a 1,000 ppm
in air exposure for 5 minutes and respiratory arrest occurred at exposure above
10,000 ppm for 5 minutes. CNS depression was observed at concentrations between
8,000 and 10,000 ppm in air. Kidney tubule necrosis, hyaline droplet formation,
and acute renal failure were seen in male rats following oral administration of
10 gm/kg, 8 mL/kg, or 2,100 mg/kg of iso-octane for 2,3, and 4 weeks,
respectively.

n-Heptane is a mucous membrane and respiratory tract irritant, but
non-irritating to the eyes. It is irritating to the skin and readily absorbed by
either inhalation or dermal exposure. Exposure may cause decreased red blood
cell counts, liver and heart damage, and central nervous system depression.
Repeated direct skin application can produce defatting dermatitis. n-Heptane is
metabolized in the liver to form alcohols and ketones, including  nuerotoxic 2,5
heptanedione which is detectable in small amounts in the urine of exposed
humans.

In a controlled study, human volunteers exposed to an airborne concentration of
n-heptane of 1,000 ppm for 6 minute or 2,000 ppm for 4 minutes experienced
slight dizziness and incoordination. Higher-level exposures produced hilarity,
dizziness, and semi-consciousness. Inhaling a concentration of 5,000 ppm for 15
minutes caused stupor and a gasoline-like taste. These higher exposures also
decreased the myocardial threshold to the arrhythmogenic effects (irregular
heart beats) of epinephrine, producing only a narrow margin of safety between
exposures causing CNS effects, cardiac effects, and loss of consciousness.

One occupational exposure study involving a 95% purity n-heptane from 1-9 years
duration concluded that it could produce minimal peripheral nerve damage with
numbness and tingling of the extremities in the stocking-and-glove areas. In the
same study, there was a decrease in motor nerve conduction velocities correlated
with
duration of exposure and adjusted for age effects: however, the average motor
nerve conduction velocity in exposed workers was normal. Polyneuropathy
associated with n-heptan exposure was reversible within a year following removal
of exposure.

n-Heptane was not neurotoxic to rats exposed for up to 7 months. But based upon
limited lab animal studies, n-heptane and its metabolites were found in low
levels (<135 ppm) in the brain or rats exposed to airborne concentrations of
100, 500, or 1500 ppm for 6 hours each day, five days per week, for 1 or 2
weeks. These substances disappeared within 2 weeks following removal of
exposure. N-Heptane was not mutagenic in the Salmonella/microsome (Ames) assay
and is not expected to be carcinogenic.

Rats inhaling methylcyclohexane at an airborne concentration of 15,250 ppm for 1
hour displayed tremors, loss of coordination, anesthesia, and convulsions.
Inhalation of 10,050 ppm for 6 hours per day for 14 days showed rodent weight
loss or decreases weight gain and changes in the structure of their salivary
glands. Using rabbits, methylcyclohexane was shown to have an LD50 somewhere
between 3300 ppm and 7300 ppm when exposed repeatedly for 6 hours per day, 5
days per week, for 3 weeks. Death was preceded by conjunctival congestion with
mucoid secretion and lacrimation, salivation, coughing, sneezing, labored
breathing, and diarrhea. Lethal oral dosing of rabbits caused lethargy, severe
diarrhea, and circulatory collapse. Vascular and degenerative lesions were
observed in the kidneys and liver.

Carcinogenicity/Other Information

This product does not contain any components at concentrations above .1% which
are considered carcinogenic by OSHA, IARC, or NTP.

Carcinogenity:  NTP? No         IARC Monographs? No    OSHA Regulated? No


                           12.  ECOLOGICAL INFORMATION


Ecological Information
Ecological effects testing has not been conducted on this material. If released
from its container, this material will probably contribute to the creation of
atmospheric smog. N-Heptane, heptane isomers and octane isomers all have
estimated half-lives of between 2.4 and 4.4 days in air when photochemical
hydroxyl and/or nitrate radicals are present. Toluene has a half-life of from 3
hours to slightly over 1 day and cyclohexane has a half-life of from 6 hours to
over 4 days when hydroxyl radicals are present.

ENVIRONMENTAL FATE: For additional ecological information concerning components
of this product, users should refer to the Hazardous Substances Data Bank and
the Oll and Hazardous Materials/Technical Assistance Data System (OHM/TADS)
maintained by the US National Library of Medicine.


                           13.  DISPOSAL CONSIDERATIONS


Waste Disposal Method
Hazard characteristics and regulatory waste stream classification can change
with product use. Accordingly, it is the responsibility of the user to determine
the proper storage, transportation, treatment and/or disposal methodologies for
spent materials and residues at the time of disposition.

Recovered non-usable material may be regulated by US EPA as a hazardous waste
due to its ignitability (D001) and / or its toxic (D018) characteristics. In
addition, conditions of use may cause this material to become a hazardous waste,
as defined by Federal or State regulations. It is the responsibility of the user
to determine if the material is a RCRA "hazardous waste" at the time of
disposal. Transportation, treatment, storage, and disposal of waste material
must be conducted in accordance with RCRA regulations (see 40 CFR parts
260-271). State and/or local regulations might be even more restrictive.
Contact the RCRA/Superfund Hotline at 800-424-9346 or your nearest regional US
EPA office for guidance concerning case specific disposal issues.


                            14.  TRANSPORT INFORMATION


LAND TRANSPORT (US DOT)
            DOT Proper Shipping Name
                  Flammable liquids, (acetone, heptane), 3, UN 1993, PG II
            DOT Hazard Class:      3
            DOT Hazard Label:      FLAMMABLE LIQUID
            UN/NA Number:          UN1993
            DOT Packing Group:     II

Additional Transport Information
            Per 49CFR, this product may be reclassed as a Consumer Commodity
ORM-D Shipment with in the US.


                           15.  REGULATORY INFORMATION


US EPA SARA Title III
Hazardous Components    CAS #     Sec. 302   Sec. 304   Sec. 313     Sec. 110
(Chemical Name)                   (EHS)      RQ         (TRI)
--------------------------------------------------------------------------------
1. Heptane              142-82-5  No         No         No           No
2. Methylcyclohexane    108-87-2  No         No         No           No
3. OCTANE MIXTURE       NA        No         No         No           No
4. Cyclohexane          110-82-7  No         Yes 1000LB Yes          No
5. Toluene              108-88-3  No         Yes 1000LB Yes          Yes
6. Benzene              71-43-2   No         Yes 10 LB  Yes          Yes
7. Acetone              67-64-1   No         Yes 5000LB No           Yes

US EPA CAA, CWA, TSCA

Hazardous Components    CAS #      EPA CAA    EPA CWA    EPA TSCA    CA PROP
(Chemical Name)                               NPDES                  65
--------------------------------------------------------------------------------
1. Heptane              142-82-5   No         No         8A PAIR, 8D No
2. Methylcyclohexane    108-87-2   No         No         8A PAIR, 8D No
3. OCTANE MIXTURE       NA         No         No         No          No
4. Cyclohexane          110-82-7   No         Yes        8A PAIR,8D  No
                                                         TERM
5. Toluene              108-88-3   HAP        Yes        8A CAIR, 8A Yes
                                                         PAIR
6. Benzene              71-43-2    HAP        YES        8A CAIR     Yes
7. Acetone              67-64-1    No         No         No          No

SARA (Superfund Amendments and Reauthorization Act of 1986)
Sec. 302:  EPA SARA Title III Section 302 Extremely Hazardous Chemical
           With TPQ. * indicates 10000 LB TPQ if not volatile.
Sec. 304:  EPA SARA Title III section 304: CERCLA Reportable + Sec. 302
           With Reportable Quantity.  ** indicates statutory RQ.
Sec. 313:  EPA SARA Title III Section 313 Toxic Release Inventory.
           Note: -Cat indicates a member of a chemical category.
Sec. 110;  EPA SARA 110 Superfund Site Priority Contaminant List.

Other Important Lists:
CWA NPDES: EPA Clean Water Act NPDES Permit Chemical
CAA HAP:   EPA Clean Air Act Hazardous Air Pollutant.
CAA ODC:   EPA Clean Air Act Ozone Depleting Chemical (1=CFC,2=HCFC)
CA PROP 65: California Proposition 65

TSCA (Toxic Substances Control Act) Lists:
5A (2):      Chemical Subject to Significant New Rules (SNURS)
6A:          Commercial Chemical Control Rules
8A:          Toxic Substances Subject To Information Rules on Production
8A CAIR:     Comprehensive Assessment Information Rules - (CAIR)
8A PAIR:     Preliminary Assessment Information Rules - (PAIR)
8C;          Records of Allegations of Significant Adverse Reactions
8D:          Health and Safety Data Reporting Rules
8D TERM:     Health and Safety Data Reporting Rule Terminations

Regulatory Information
TSCA:     This product and/or its components are listed on the Toxic
          Substances Control Act (TSCA) inventory.
Prop 65:  This material may contain the following chemical substances
          which are known to the State of California to cause cancer, birth
          defects or other reproductive harm: and therefore it may be subject
          to requirements of California Health and Safety Code Section
          25249.5: Benzene 71-43-2 and Toluene 108-88-3
          Under Section 12(b) of the Toxic Substances Control Act:
          Because it contains detectable amounts of cyclohexane, this
          product might be subject to US EPA's one-time only per
          country export notification requirements.

          In regulations promulgated pursuant to the Clean Air Act -
          Section 111 "Standards of Performance for New Stationary
          Sources" (40CFR 60.489). the EPA classifies the following
          minor components of this material as "Volatile Organic
          Compounds (VOCs)" which contribute significantly to air
          pollution which endangers public health and welfare: Cyclohexane,
          benzene, methylcycloheanxe, and toluene.
          Under the Federal Hazardous Substances Act. Related statues, and
          Consumer Product Safety Commission regulations, as defined by
          116 CFR 15.0014 (b)(3) AND 1500.83 (A)(13): This product
          contains Petroleum distillates which may require special labeling if
          distributed in a manner intended or packaged in a form suitable for
          use in the household or by children. Precautionary label dialogue
          should display the following; Contains Petroleum Distillates.
          May be harmful or fatal if swallowed! Keep out of the reach of
          children.

EPA Hazard Categories;
            This material meets the EPA "Hazard Categories" defined for SARA
Title III Sections 311/312 as indicated:
               [X] Yes      [ ] No   Acute (immediate) Health Hazard
               [X] Yes      [ ] No   Chronic (delayed) Health Hazard
               [X] Yes      [ ] No   Fire Hazard
               [ ] Yes      [X] No   Reactive Hazard
               [ ] Yes      [X] No   Sudden Release of Pressure Hazard
The information contained herein is based on data considered accurate. However,
no warranty is expressed or implied regarding the accuracy of this data or the
results to be obtained from the use thereof. Vendor assumes no responsibility
for injury to vendee or third person proximately caused by the material if
reasonable safety procedures are not adhered to as stipulated in the data sheet.
Additionally, vendor assumes no responsibility for injury to vendee or third
persons proximately caused by abnormal use of the material even if reasonable
safety procedures are followed. Furthermore, vendee assumes all risk in use of
the material.


                              16.  OTHER INFORMATION


THIS INFORMATION IS FURNISHED WITHOUT WARRANTY, EXPRESSED OR IMPLIED, EXCEPT
THAT IS ACCURATE TO THE BEST KNOWLEDGE OF EXCELDA MANUFACTURING. THE DATA ON
THIS SHEET RELATES ONLY TO THE SPECIFIC MATERIAL DESIGNATED HEREIN. EXCELDA
MANUFACTURING ASSUMES NO LEGAL RESPONSIBILITY FOR USE OR RELIANCE UPON THIS
DATA.


Licensed to Excelda Manufacturing, Inv.              ANSI Format

The information contained in this MSDS was obtained from current and reliable sources, however, the data is provided without any warrenty, expressed or implied, regarding its correctness or accuracy. Since the conditions or handling, storage and disposal of this product are beyond the control of Imperial Supplies LLC, Imperial will not be responsible for loss, injury, or expense arising out of the products improper use. No warranty, expressed or inferred, regarding the product described in this MSDS shall be created or inferred by any statement in this MSDS. Various government agencies may have specific regulations regarding the transportation, handling, storage, use, or disposal of this product which may not be covered by this MSDS. The user is responsible for full compliance.

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Imperial Supplies LLC does not provide services and products outside the United States

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