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MSDS Material Safety Data Sheet
CAS

108-87-2
71-43-2

File Name: whitakeroil_com---Methylcyclohexane.asp
                                       Material Safety Data Sheet

METHYLCYCLOHEXANE (Commercial Grade)
September 29, 1995
MSDS #: 459030


PHONE NUMBERS
CHEVRON PHILLIPS CHEMICAL COMPANY LP EMERGENCY: (800) 231-0623 or
1301 McKinney Street (510) 231-0623 (International)
Houston, Texas 77010-3030 EMERGENCY RESPONSE (ASIA): 800-AlertSGS
or 800-25378477 or 65-542-9595
TRANSPORTATION (24 HR): CHEMTREC
(800)424-9300 OR (703)527-3887
Technical Services: (713) 289-4862
For Additional MSDSs: (800) 852-5530



A. Product Identification
Synonyms: Cyclohexylmethane; Hexahydrotoluene; MCH
Chemical Name: Mixture
Chemical Family: Cycloparaffinic hydrocarbon
Chemical Formula: C7H14
CAS Reg. No.: Mixture
Product No.: N29200

Product and/or Components Entered on EPA's TSCA Inventory: YES
This product is in U.S. commerce, and is listed in the Toxic Substances
Control Act (TSCA) Inventory of Chemicals; hence, it may be subject to
applicable TSCA provisions and restrictions.

Product and/or Components Entered on Canadian Inventory: YES
Ingredients are listed in either the Domestic or Non-Domestic (DSL or NDSL).
Impurities are exempt in accordance with Section 3 of the Canadian
Environmental Protection Act (CEPA).



B. Components
CAS % OSHA ACGIH
Ingredients Number By Wt. PEL TLV

Methylcyclohexane 108-87-2 80 500 ppm 400 ppm
Heptanes Various 20 500 ppm(1) 400 ppm(1)
Benzene 71-43-2 5 ppm 1 ppm* 0.5 ppm
* Work operations exempted by the Benzene Standard, 29 CFR 1910.1028,
will have a 10 ppm 8-hr. TWA.
(1) As n-Heptane.



C. Personal Protection Information
Ventilation: Use adequate ventilation to control concentration
below recommended exposure limits.

Respiratory Protection: For concentrations exceeding the recommended exposure
limit, use NIOSH/MSHA approved air purifying
respirator. In case of spill or leak resulting in
unknown concentration, use NIOSH/MSHA approved
supplied air respirator.

Eye Protection: Use safety glasses with side shields.

Skin Protection: Use gloves resistant to the material being used
(Neoprene or nitrile).

NOTE: Personal protection information shown in Section C is based upon
general information as to normal uses and conditions. Where special or
unusual uses or conditions exist, it is suggested that the expert
assistance of an industrial hygienist or other qualified professional
be sought.



D. Handling and Storage Precautions
Avoid contact with eyes, skin or clothing. Avoid breathing vapors,
mist, fume or dust. Do not swallow, may be aspirated into lungs. Wear
protective equipment and/or garments described in Section C if exposure
conditions warrant. Wash thoroughly after handling. Launder
contaminated clothing before reuse. Use with adequate ventilation.

Keep away from heat, sparks, and flames. Store in a well-ventilated
area. Store in tightly closed container. Bond and ground during
transfer.



E. Reactivity Data
Stability: Stable
Conditions to Avoid: Not Established
Incompatibility (Materials to Avoid): Oxygen and strong oxidizing agents

Hazardous Polymerization: Will Not Occur
Conditions to Avoid: Not Established
Hazardous Decomposition Products: Carbon oxides and various hydrocarbons
formed when burned.
F. Health Hazard Data

Recommended Exposure Limits:

See Section B.


Acute Effects of Overexposure:

Eye: Contact with the liquid or high vapor concentrations may cause
slight eye irritation including reddening of mucous membranes.

Skin: Nominal skin absorption. Repeated or prolonged contact may defat
the skin resulting in itching, burning, redness, hardening,
slight hypothermia, thickening and possibly ulceration.

Inhalation: Extreme overexposure may cause dizziness, labored breathing,
mucous membrane irritation, tearing, fatigue, headache, diarrhea,
tremors, convulsions, unconsciousness and death.

Ingestion: May cause diarrhea, fatigue, central nervous system depression,
possibly circulatory collapse and death. If swallowed, may be
aspirated resulting in inflammation and possible fluid
accumulation in the lungs.


Subchronic and Chronic Effects of Overexposure:

Subchronic dermal exposure of rabbits to methylcyclohexane has produced
hardening, thickening and ulceration of the skin. Subchronic oral and
inhalation studies with animals have produced changes in the vascular
system, liver and kidney at very high exposure concentrations.

Male and female rats and dogs, female mice, and male hamsters were
exposed for one year to airborne concentrations of 400 and 2000 ppm
methylcyclohexane. Male rats exposed to 2000 ppm methylcyclohexane
showed compound related effects that were limited to the kidneys.
Comparable effects have not been reported for humans. None of the other
test species showed any significant compound related adverse health
effects.

Certain isoparaffins may be present which have been reported to cause
kidney injury in male rats only. No comparable health hazard for kidney
disease is known to occur in humans.


Other Health Effects:

No known applicable information.
Health Hazard Categories:

Animal Human Animal Human

Known Carcinogen ___ ___ Toxic ___ ___
Suspect Carcinogen ___ ___ Corrosive ___ ___
Mutagen ___ ___ Irritant ___ ___
Teratogen ___ ___ Target Organ Toxin _X_ _X_
Allergic Sensitizer ___ ___ Specify - Lung-Aspiration Hazard
Highly Toxic ___ ___

Canadian WHMIS

CLASS D: POISONOUS AND INFECTIOUS MATERIAL CATEGORIES

1. Materials Causing Immediate and Serious Toxic Effects

A. Very Toxic _____
B. Toxic _____

2. Materials Causing Other Toxic Effects

A. Very Toxic

1. Chronic Toxic Effects _____
2. Teratogen/Embryo Toxin _____
3. Carcinogen _____
4. Reproductive Toxin _____
5. Respiratory Tract Sensitizer _____
6. Mutagen _____

B. Toxic

1. Chronic Toxic Effects _____
2. Skin or Eye Irritant __x__
3. Skin Sensitizer _____
4. Mutagen _____

Specify: Eye - Irritant

Other: Lung-Aspiration Hazard


First Aid and Emergency Procedures:

Eye: Flush eyes with running water for at least fifteen minutes. If
irritation or adverse symptoms develop, seek medical attention.

Skin: Wash skin with soap and water for at least fifteen minutes. If
irritation or adverse symptoms develop, seek medical attention.

Inhalation: Remove from exposure. If breathing is difficult, give oxygen. If
breathing ceases, administer artificial respiration followed by
oxygen. Seek immediate medical attention.

Ingestion: Do not induce vomiting. Seek immediate medical attention.
Note to Physician: Gastric lavage using a cuffed endotracheal tube
may be performed at your discretion.



G. Physical Data
Appearance: Colorless liquid
Odor: Mild
Boiling Point: 208-225F (98-107C)
Vapor Pressure: Not Established
Vapor Density (Air = 1): >2
Solubility in Water: Negligible
Specific Gravity (H2O = 1): 0.758 at 60/60F (16/16C)
Percent Volatile by Volume: 100
Evaporation Rate (Butyl Acetate=1): >1
Viscosity: Not Established



H. Fire and Explosion Data
Flash Point (Method Used): 23F (-5C) (TOC, ASTM D1310)
Flammable Limits (% by Volume in Air): LEL - 1.2
UEL - 7.7

Fire Extinguishing Media: Dry chemical, foam or carbon dioxide
(CO2)

Special Fire Fighting Procedures: Evacuate area of all unnecessary
personnel. Shut off source, if
possible. Use NIOSH/MSHA approved
self-contained breathing apparatus and
other protective equipment and/or
garments described in Section C if
conditions warrant. Water fog or
spray may be used to cool exposed
equipment and containers. Do not
spray water directly on fire - product
will float and could be reignited on
surface of water.

Fire and Explosion Hazards: Carbon oxides formed when burned.
Highly flammable vapors which are
heavier than air may accumulate in low
areas and/or spread along ground away
from handling site.



I. Spill, Leak and Disposal Procedures
Precautions Required if Material is Released or Spilled:
Evacuate area of all unnecessary personnel. Wear protective equipment
and/or garments described in Section C if exposure conditions warrant.
Shut off source, if possible and contain spill. Protect from ignition.
Keep out of water sources and sewers. Absorb in a dry, inert material
(sand, clay, etc). Transfer to disposal drums using non-sparking
equipment.

Waste Disposal (Insure Conformity with all Applicable Disposal Regulations):
Incinerate or place in permitted waste management facility.



J. DOT Transportation
Shipping Name:Petroleum products, n.o.s.
Hazard Class:3 (Flammable liquid)
ID Number:UN 1268
Packing Group:II
Marking:Petroleum products, n.o.s., UN 1268
Label:Flammable liquid
Placard:Flammable/1268
Hazardous Substance/RQ:Not applicable
Shipping Description:Petroleum products, n.o.s., 3 (Flammable liquid),
UN 1268, PG II
Packaging References: 49 CFR 173.150, 173.202, 173.242



K. RCRA Classification - Unadulterated Product
as a Waste
Ignitable (D001)

Prior to disposal, consult your environmental contact to determine
if TCLP (Toxicity Characteristic Leaching Procedure, EPA Test Method
1311) is required. Reference 40 CFR Part 261.



L. Protection Required for Work on Contaminated
Equipment
Contact immediate supervisor for specific instructions before work
is initiated. Wear protective equipment and/or garments described
in Section C if exposure conditions warrant.



M. Hazard Classification
_X_ This product meets the following hazard definition(s) as defined by
the Occupational Safety and Health Hazard Communication Standard (29
CFR Section 1910.1200):
___ Combustible Liquid ___ Flammable Aerosol ___ Oxidizer
___ Compressed Gas ___ Explosive ___ Pyrophoric
___ Flammable Gas _X_ Health Hazard (Section F) ___ Unstable
_X_ Flammable Liquid ___ Organic Peroxide ___ Water Reactive
___ Flammable Solid

___ Based on information presently available, this product does not meet
any of the hazard definitions of 29 CFR Section 1910.1200.

Canadian WHMIS

Class B-Flammable and Combustible Material
Class D-Poisonous and Infectious Material
Division 2. Materials Causing Other Toxic Effects



N. Additional Comments
SARA 313

As of the preparation date, this product did not contain a
chemical or chemicals subject to the reporting requirements of
Section 313 of Title III of the Superfund Amendments and
Reauthorization Act of 1986 and 40 CFR Part 372.

NFPA 704 Hazard Codes - - - - - - - - Signals

Least - 0
Health : 2 Slight - 1
Flammability: 3 Moderate - 2
Reactivity : 0 High - 3
Special Haz.: - Extreme - 4



Chevron Phillips Chemical Company LP believes that the information contained herein (including data and statements) is accurate as of the date hereof. NO WARRANTY OF
MERCHANTABILITY, FITNESS FOR ANY PARTICULAR PURPOSE OR ANY OTHER WARRANTY, EXPRESS OR IMPLIED, IS MADE AS CONCERNS THE
INFORMATION HEREIN PROVIDED. The information provided herein relates only to the specific product designated and may not be valid where such product is used in
combination with any other materials or in any process. Further, since the conditions and methods of use of the product and information referred to herein are beyond the control of
Chevron Phillips, Chevron Phillips expressly disclaims any and all liability as to any results obtained or arising from any use of the product or such information. No statement
made herein shall be construed as a permission or recommendation for the use of any product in a manner that might infringe existing patents.

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