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MATERIAL SAFETY DATA SHEET
1. CHEMICAL PRODUCT AND COMPANY IDENTIFICATION
MATHESON TRI-GAS, INC. Emergency Contact:
150 Allen Road Suite 302 CHEMTREC 1-800-424-9300
Basking Ridge, New Jersey 07920 Calls Originating Outside the US:
Information: 1-800-416-2505 703-527-3887 (Collect Calls Accepted)
SUBSTANCE: METHYLCYCLOPENTANE
TRADE NAMES/SYNONYMS:
MTG MSDS 224; METHYL CYCLOPENTANE; METHYLPENTAMETHYLENE; CYCLOPENTANE,
METHYL-; MCP; C6H12; UN 2298; MAT14870; RTECS GY4640000
CHEMICAL FAMILY: hydrocarbons, alicyclic
PRODUCT USE: solvents
CREATION DATE: Jan 24 1989
REVISION DATE: Dec 11 2008
2. COMPOSITION, INFORMATION ON INGREDIENTS
COMPONENT: METHYLCYCLOPENTANE
CAS NUMBER: 96-37-7
PERCENTAGE: 100.0
3. HAZARDS IDENTIFICATION
NFPA RATINGS (SCALE 0-4): HEALTH=2 FIRE=3 REACTIVITY=0
EMERGENCY OVERVIEW:
COLOR: colorless
PHYSICAL FORM: liquid
ODOR: gasoline odor
MAJOR HEALTH HAZARDS: respiratory tract irritation, skin irritation, eye irritation, central nervous
system depression
PHYSICAL HAZARDS: Flammable liquid and vapor. Vapor may cause flash fire.
POTENTIAL HEALTH EFFECTS:
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INHALATION:
SHORT TERM EXPOSURE: irritation, headache, drowsiness, symptoms of drunkenness
LONG TERM EXPOSURE: no information on significant adverse effects
SKIN CONTACT:
SHORT TERM EXPOSURE: irritation
LONG TERM EXPOSURE: same as effects reported in short term exposure
EYE CONTACT:
SHORT TERM EXPOSURE: irritation
LONG TERM EXPOSURE: same as effects reported in short term exposure
INGESTION:
SHORT TERM EXPOSURE: nausea, headache, drowsiness, symptoms of drunkenness
LONG TERM EXPOSURE: no information on significant adverse effects
4. FIRST AID MEASURES
INHALATION: If adverse effects occur, remove to uncontaminated area. Give artificial respiration if not
breathing. Get immediate medical attention.
SKIN CONTACT: Wash skin with soap and water for at least 15 minutes while removing contaminated
clothing and shoes. Get medical attention, if needed. Thoroughly clean and dry contaminated clothing and
shoes before reuse.
EYE CONTACT: Flush eyes with plenty of water for at least 15 minutes. Then get immediate medical
attention.
INGESTION: If vomiting occurs, keep head lower than hips to help prevent aspiration. If person is
unconscious, turn head to side. Get medical attention immediately.
NOTE TO PHYSICIAN: For ingestion, consider gastric lavage. Consider oxygen.
5. FIRE FIGHTING MEASURES
FIRE AND EXPLOSION HAZARDS: Severe fire hazard. Vapor/air mixtures are explosive. The vapor is
heavier than air. Vapors or gases may ignite at distant ignition sources and flash back.
EXTINGUISHING MEDIA: alcohol-resistant foam, carbon dioxide, regular dry chemical, water
Large fires: Use alcohol-resistant foam or flood with fine water spray.
FIRE FIGHTING: Move container from fire area if it can be done without risk. Cool containers with water
spray until well after the fire is out. Stay away from the ends of tanks. For fires in cargo or storage area: Cool
containers with water from unmanned hose holder or monitor nozzles until well after fire is out. If this is
impossible then take the following precautions: Keep unnecessary people away, isolate hazard area and deny
entry. Let the fire burn. Withdraw immediately in case of rising sound from venting safety device or any
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discoloration of tanks due to fire. For tank, rail car or tank truck: Evacuation radius: 800 meters (1/2 mile).
Do not attempt to extinguish fire unless flow of material can be stopped first. Flood with fine water spray.
Do not scatter spilled material with high-pressure water streams. Cool containers with water spray until well
after the fire is out. Apply water from a protected location or from a safe distance. Avoid inhalation of
material or combustion by-products. Stay upwind and keep out of low areas. Water may be ineffective.
FLASH POINT: -20 F (-29 C)
LOWER FLAMMABLE LIMIT: 1.0-1.2%
UPPER FLAMMABLE LIMIT: 8.34-8.35%
AUTOIGNITION: 496 F (258 C)
FLAMMABILITY CLASS (OSHA): IB
6. ACCIDENTAL RELEASE MEASURES
OCCUPATIONAL RELEASE:
Avoid heat, flames, sparks and other sources of ignition. Remove sources of ignition. Stop leak if possible
without personal risk. Reduce vapors with water spray. Small spills: Absorb with sand or other non-
combustible material. Collect spilled material in appropriate container for disposal. Large spills: Dike for
later disposal. Keep unnecessary people away, isolate hazard area and deny entry. Stay upwind and keep out
of low areas.
7. HANDLING AND STORAGE
STORAGE: Grounding and bonding required. Subject to storage regulations: U.S. OSHA 29 CFR 1910.106.
Protect from physical damage. Store outside or in a detached building. Inside storage: Store with flammable
liquids. Keep separated from incompatible substances. Store in a tightly closed container. Store in a cool, dry
place. Store in a well-ventilated area. Avoid contact with light.
8. EXPOSURE CONTROLS, PERSONAL PROTECTION
EXPOSURE LIMITS:
METHYLCYCLOPENTANE:
No occupational exposure limits established.
VENTILATION: Provide local exhaust ventilation system. Ventilation equipment should be explosion-
resistant if explosive concentrations of material are present. Ensure compliance with applicable exposure
limits.
EYE PROTECTION: Wear splash resistant safety goggles with a faceshield. Provide an emergency eye
wash fountain and quick drench shower in the immediate work area.
CLOTHING: Wear appropriate chemical resistant clothing.
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GLOVES: Wear appropriate chemical resistant gloves.
PROTECTIVE MATERIAL TYPES: rubber
RESPIRATOR: Under conditions of frequent use or heavy exposure, respiratory protection may be needed.
Respiratory protection is ranked in order from minimum to maximum. Consider warning properties before
use.
Any chemical cartridge respirator with organic vapor cartridge(s).
Any chemical cartridge respirator with a full facepiece and organic vapor cartridge(s).
Any air-purifying respirator with a full facepiece and an organic vapor canister.
For Unknown Concentrations or Immediately Dangerous to Life or Health -
Any supplied-air respirator with a full facepiece that is operated in a pressure-demand or other positive-
pressure mode in combination with an auxiliary self-contained breathing apparatus operated in pressure-
demand or other positive-pressure mode.
Any self-contained breathing apparatus that has a full facepiece and is operated in a pressure-demand or
other positive-pressure mode.
9. PHYSICAL AND CHEMICAL PROPERTIES
PHYSICAL STATE: liquid
COLOR: colorless
ODOR: gasoline odor
MOLECULAR WEIGHT: 84.18
MOLECULAR FORMULA: C-H3-C-H-(C-H2)3-C-H2
BOILING POINT: 160-163 F (71-73 C)
FREEZING POINT: -225 to -224 F (-143 to -142 C)
VAPOR PRESSURE: 100 mmHg @ 18 C
VAPOR DENSITY (air=1): 2.9
SPECIFIC GRAVITY (water=1): 0.7486-0.8
WATER SOLUBILITY: insoluble
PH: Not available
VOLATILITY: Not available
ODOR THRESHOLD: Not available
EVAPORATION RATE: Not available
VISCOSITY: <32.6 SUS
COEFFICIENT OF WATER/OIL DISTRIBUTION: Not available
SOLVENT SOLUBILITY:
Soluble: acetone, ethanol, ether, organic solvents
10. STABILITY AND REACTIVITY
REACTIVITY: Stable at normal temperatures and pressure.
CONDITIONS TO AVOID: Avoid heat, flames, sparks and other sources of ignition. Containers may
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rupture or explode if exposed to heat.
INCOMPATIBILITIES: oxidizing materials
HAZARDOUS DECOMPOSITION:
Thermal decomposition products: oxides of carbon
POLYMERIZATION: Will not polymerize.
11. TOXICOLOGICAL INFORMATION
METHYLCYCLOPENTANE:
LOCAL EFFECTS:
Irritant: inhalation, skin, eye
TARGET ORGANS: central nervous system
ADDITIONAL DATA: Alcohol may enhance the toxic effects. Stimulants such as epinephrine may induce
ventricular fibrillation.
12. ECOLOGICAL INFORMATION
Not available
13. DISPOSAL CONSIDERATIONS
Subject to disposal regulations: U.S. EPA 40 CFR 262. Hazardous Waste Number(s): D001.
14. TRANSPORT INFORMATION
U.S. DOT 49 CFR 172.101:
PROPER SHIPPING NAME: Methylcyclopentane
ID NUMBER: UN2298
HAZARD CLASS OR DIVISION: 3
PACKING GROUP: II
LABELING REQUIREMENTS: 3
CANADIAN TRANSPORTATION OF DANGEROUS GOODS:
SHIPPING NAME: Methylcyclopentane
UN NUMBER: UN2298
CLASS: 3
PACKING GROUP/CATEGORY: II
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15. REGULATORY INFORMATION
U.S. REGULATIONS:
CERCLA SECTIONS 102a/103 HAZARDOUS SUBSTANCES (40 CFR 302.4): Not regulated.
SARA TITLE III SECTION 302 EXTREMELY HAZARDOUS SUBSTANCES (40 CFR 355 Subpart
B): Not regulated.
SARA TITLE III SECTION 304 EXTREMELY HAZARDOUS SUBSTANCES (40 CFR 355 Subpart
C): Not regulated.
SARA TITLE III SARA SECTIONS 311/312 HAZARDOUS CATEGORIES (40 CFR 370 Subparts B
and C):
ACUTE: Yes
CHRONIC: No
FIRE: Yes
REACTIVE: No
SUDDEN RELEASE: No
SARA TITLE III SECTION 313 (40 CFR 372.65): Not regulated.
OSHA PROCESS SAFETY (29 CFR 1910.119): Not regulated.
STATE REGULATIONS:
California Proposition 65: Not regulated.
CANADIAN REGULATIONS:
WHMIS CLASSIFICATION: B
NATIONAL INVENTORY STATUS:
U.S. INVENTORY (TSCA): Listed on inventory.
TSCA 12(b) EXPORT NOTIFICATION: Not listed.
CANADA INVENTORY (DSL/NDSL): Not determined.
16. OTHER INFORMATION
〤opyright 1984-2009 ChemADVISOR, Inc. All rights reserved.
MATHESON TRI-GAS, INC. MAKES NO EXPRESS OR IMPLIED WARRANTIES,
GUARANTEES OR REPRESENTATIONS REGARDING THE PRODUCT OR THE
INFORMATION HEREIN, INCLUDING BUT NOT LIMITED TO ANY IMPLIED WARRANTY
OF MERCHANTABILITY OR FITNESS FOR USE. MATHESON TRI-GAS, INC. SHALL NOT BE
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LIABLE FOR ANY PERSONAL INJURY, PROPERTY OR OTHER DAMAGES OF ANY NATURE,
WHETHER COMPENSATORY, CONSEQUENTIAL, EXEMPLARY, OR OTHERWISE,
RESULTING FROM ANY PUBLICATION, USE OR RELIANCE UPON THE INFORMATION
HEREIN.
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