MATHESON TRI-GAS, INC. -- DICHLOROMETHANE -- - 
=====================  Product Identification  =====================

Product ID:DICHLOROMETHANE
MSDS Date:Jan 24 1989
Kit Part:=== Responsible Party ===
Company Name:MATHESON TRI-GAS, INC.
Address:959 ROUTE 46 EAST
City:PARSIPPANY
State:NJ
ZIP:07054-0624
Country:US
Info Phone Num:(USA) 973-257-1100, (WHITBY) 905-668-3570, (EDMONTON)
    780-471-4036
Chemtrec Ind/Phone:18004249300
=== Contractor Identification ===
Company Name:MATHESON TRI-GAS, INC.
Address:959 ROUTE 46 EAST
Box:City:PARSIPPANY
State:NJ
ZIP:07054-0624
Country:US
Phone:(USA) 973-257-1100, (WHITBY) 905-668-3570, (EDMONTON)
    780-471-4036
CAGE:Company Name:MATHESON TRI-GAS, INC.
Address:530 WATSON STREET
Box:City:WHITBY
State:ZIP:L1N 5R9
Country:ONTARIO, CANADA
Phone:(USA) 973-257-1100, (WHITBY) 905-668-3570, (EDMONTON)
    780-471-4036
CAGE:


=============  Composition/Information on Ingredients  =============

Ingred Name:DICHLOROMETHANE
CAS:75-09-2
Fraction by Wt: 100.0%

=====================  Hazards Identification  =====================

Reports of Carcinogenicity:NTP:Yes    IARC:Yes	  OSHA:Yes
Medical Cond Aggravated by Exposure:

=======================  First Aid Measures  =======================

First Aid: 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 a large amount
    is swallowed, get medical attention. NOTE TO PHYSICIAN: For
    inhalation, consider oxygen.   For ingestion, consider gastric
    lavage. Consider oxygen.

=====================  Fire Fighting Measures  =====================

Flash Point:No data available.
Autoignition Temp:1033 F (556 C)
Lower Limits:13%
Upper Limits:23%
Extinguishing Media:carbon dioxide, regular dry chemical Large fires:
    Use regular foam or flood with fine water spray.
Fire Fighting Procedures:Cool containers with water spray until well
    after the fire is out. Stay away from the ends of tanks. For tank,
    rail car or tank truck, evacuation radius: 800 meters (1/2 mile).
Unusual Fire/Explosion Hazard:Slight fire hazard.

==================  Accidental Release Measures  ==================

Neutralizing Agent:

======================	Handling and Storage  ======================

Handling and Storage Precautions:Store and handle in accordance with
    all current regulations and standards. Protect from physical
    damage. Store in a cool, dry place. Store in a well-ventilated
    area. Avoid heat, flames, sparks and other sources of ignition.
    Store in a tightly closed container. Store under an inert
    atmosphere. Keep separated from incompatible substances.
Other Precautions:

=============  Exposure Controls/Personal Protection  =============

Respiratory Protection:The following respirators and maximum use
    concentrations are drawn from NIOSH and/or OSHA. 625 ppm Any
    supplied-air respirator operated in a continuous-flow mode. 1250
    ppm Any supplied-air respirator with a full facepiece that is
    operated in a 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. 5000
    ppm Any supplied-air respirator operated in a continuous-flow mode.
    Any supplied-air respirator with a full facepiece that is operated
    in a 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. For
    Unknown Concentrations or Immediately Dangerous to Life or Health -
    Any self-contained breathing apparatus that has a full facepiece
    and is operated in a pressure-demand or other positive-pressure
    mode. Any supplied-air respirator with full facepiece and operated
    in a pressure-demand or other positive-pressure mode in combination
    with a separate escape supply. Escape - Any appropriate
    escape-type, self-contained breathing apparatus with full facepiece
    operated in pressure-demand or other positive pressure mode. 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 full facepiece
    and operated in a pressure-demand or other positive-pressure mode
    in combination with a separate escape supply. Any self-contained
    breathing apparatus with a full facepiece.
Ventilation:Provide local exhaust or process enclosure ventilation
    system. Ensure compliance with applicable exposure limits.
Protective Gloves:Wear appropriate chemical resistant gloves. OSHA
    REGULATED SUBSTANCES: U.S. OSHA 29 CFR 1910.1052.
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.
Other Protective Equipment:Wear appropriate chemical resistant
    clothing.
Supplemental Safety and Health
 DICHLOROMETHANE: DICHLOROMETHANE (METHYLENE CHLORIDE): 25 ppm OSHA TWA
    125 ppm OSHA TWA 15 minute(s) 12.5 ppm OSHA action level 50 ppm
    ACGIH TWA

==================  Physical/Chemical Properties  ==================

Boiling Pt:104 F (40 C)
Melt/Freeze Pt:-139 F (-95 C)
Vapor Pres:350 mmHg @ 20 C
Vapor Density:2.9
Spec Gravity:1.3266
pH:Not available
Evaporation Rate & Reference:27.5 (butyl acetate=1)
Solubility in Water:1.32% @ 20 C
Appearance and Odor:PHYSICAL STATE:liquid APPEARANCE:clear
    COLOR:colorless ODOR:sweet odor
Corrosion Rate:

=================  Stability and Reactivity Data  =================

Stability Indicator/Materials to Avoid:Stable at normal temperatures
    and pressure.
Stability Condition to Avoid:Avoid heat, flames, sparks and other
    sources of ignition. Containers may rupture or explode if exposed
    to heat.
Hazardous Decomposition Products:Thermal decomposition products or
    combustion: halogenated compounds, oxides of carbon, phosgene
    Thermal decomposition products or combustion: halogenated
    compounds, oxides of carbon, phosgene
Conditions to Avoid Polymerization:Will not polymerize.

===================  Toxicological Information	===================

Toxicological Information:DICHLOROMETHANE: IRRITATION DATA: 810 mg/24
    hour(s) skin-rabbit severe; 100 mg/24 hour(s) skin-rabbit moderate;
    162 mg eyes-rabbit moderate; 10 mg eyes-rabbit mild; 500 mg/24
    hour(s) eyes-rabbit mild TOXICITY DATA: 52 gm/m3 inhalation-rat
    LC50; 1600 mg/kg oral-rat LD50 CARCINOGEN STATUS: OSHA: Carcinogen;
    NTP: Anticipated Human Carcinogen; IARC: Human Inadequate Evidence,
    Animal Sufficient Evidence, Group 2B; ACGIH: A3 -Animal Carcinogen
    LOCAL EFFECTS: Irritant: inhalation, skin, eye ACUTE TOXICITY
    LEVEL: Moderately Toxic: inhalation, ingestion TARGET ORGANS:
    blood, central nervous system MEDICAL CONDITIONS AGGRAVATED BY
    EXPOSURE: blood system disorders, heart or cardiovascular
    disorders, kidney disorders, liver disorders, skin disorders and
    allergies TUMORIGENIC DATA: Available. MUTAGENIC DATA: Available.
    REPRODUCTIVE EFFECTS DATA: Available. ADDITIONAL DATA: Alcohol may
    enhance the toxic effects.

=====================  Ecological Information  =====================

Ecological:ECOTOXICITY DATA: FISH TOXICITY: 193000 ug/L 96 hour(s) LC50
    (Mortality) Fathead minnow (Pimephales promelas) INVERTEBRATE
    TOXICITY: 1682000 ug/L 48 hour(s) EC50 (Immobilization) Water flea
    (Daphnia magna) ALGAL TOXICITY: >662000 ug/L 96 hour(s) EC50
    (Photosynthesis) Diatom (Skeletonema costatum) OTHER TOXICITY:
    17780 ug/L 8 hour(s) EC50 (Teratogenesis) Bullfrog (Rana
    catesbeiana)  FATE AND TRANSPORT: BIOCONCENTRATION: 112 ug/L 2.1
    hour(s) BCF (Residue) Duckweed (Lemna minor) 60 ug/L  ENVIRONMENTAL
    SUMMARY: Harmful to aquatic life.

====================  Disposal Considerations  ====================

Waste Disposal Methods:Dispose in accordance with all applicable
    regulations. Subject to disposal regulations: U.S. EPA 40 CFR 262.
    Hazardous Waste Number(s): U080.

===================  MSDS Transport Information  ===================

Transport Information:U.S. DOT 49 CFR 172.101: PROPER SHIPPING NAME:
    Dichloromethane ID NUMBER: UN1593 HAZARD CLASS OR DIVISION: 6.1
    PACKING GROUP: III LABELING REQUIREMENTS: Poison

=====================  Regulatory Information  =====================

SARA Title III Information:  SARA TITLE III SECTION 302 EXTREMELY
    HAZARDOUS SUBSTANCES (40 CFR 355.30): Not regulated.  SARA TITLE
    III SECTION 304 EXTREMELY HAZARDOUS SUBSTANCES (40 CFR 355.40): Not
    regulated.	SARA TITLE III SARA SECTIONS 311/312 HAZARDOUS
    CATEGORIES (40 CFR 370.21):   ACUTE: Yes  CHRONIC: Yes  FIRE: No 
    REACTIVE: No  SUDDEN RELEASE: No  SARA TITLE III SECTION 313 (40
    CFR 372.65):   Dichloromethane (Methylene chloride)
Federal Regulatory Information:CERCLA SECTIONS 102a/103 HAZARDOUS
    SUBSTANCES (40 CFR 302.4):	Dichloromethane (Methylene chloride):
    1000LBSRQ OSHA PROCESS SAFETY (29CFR1910.119): Not regulated.
State Regulatory Information: California Proposition 65:  Known to the
    state of California to cause the following: Dichloromethane
    (Methylene chloride) Cancer (Apr 01, 1988)

=======================  Other Information  =======================

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 of Defense.  The United States of America in no manner whatsoever,
 expressly or implied, warrants this information to be accurate and
 disclaims all liability for its use.  Any person utilizing this
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