MATHESON TRI-GAS, INC. -- DIETHYL DISULFIDE -- - 
=====================  Product Identification  =====================

Product ID:DIETHYL DISULFIDE
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:DIETHYL DISULFIDE
CAS:110-81-6
Fraction by Wt: 100.0%

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

Reports of Carcinogenicity:NTP:No    IARC:No	OSHA:No
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.


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

Flash Point:No data available.
Extinguishing Media:regular dry chemical, carbon dioxide, water,
    regular foam Large fires: Use regular foam or flood with fine water
    spray.
Fire Fighting Procedures:Move container from fire area if it can be
    done without risk. Do not scatter spilled material with
    high-pressure water streams. Dike for later disposal. Use
    extinguishing agents appropriate for surrounding fire. Avoid
    inhalation of material or combustion by-products. Stay upwind and
    keep out of low areas.
Unusual Fire/Explosion Hazard:Moderate fire hazard.

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

Spill Release Procedures:Stop leak if possible without personal risk.
    Small spills: Absorb with sand or other non-combustible material.
    Collect spilled material in appropriate container for disposal.
    Keep unnecessary people away, isolate hazard area and deny entry.
Neutralizing Agent:

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

Handling and Storage Precautions:Store and handle in accordance with
    all current regulations and standards.
Other Precautions:

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

Respiratory Protection: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 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 ventilation system. Ventilation
    equipment should be explosion-resistant if explosive concentrations
    of material are present. Ensure compliance with applicable exposure
    limits.
Protective Gloves:Wear appropriate chemical resistant gloves.
Eye Protection:Wear splash resistant safety goggles. 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
 DIETHYL DISULFIDE: No occupational exposure limits established.

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

Boiling Pt:309 F (154 C)
Melt/Freeze Pt:-152 F (-102 C)
Vapor Pres:4.28 mmHg @ 25 C
Vapor Density:4.22
Spec Gravity:0.9931
pH:Not available
Evaporation Rate & Reference:Not available
Solubility in Water:soluble
Appearance and Odor:PHYSICAL STATE:liquid TEXTURE:oily ODOR:Not
    available
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. Avoid contact with incompatible materials.
Hazardous Decomposition Products:Thermal decomposition products:
    miscellaneous decomposition products Thermal decomposition
    products: miscellaneous decomposition products
Conditions to Avoid Polymerization:Will not polymerize.

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

Toxicological Information:DIETHYL DISULFIDE: IRRITATION DATA: 500 mg/24
    hour(s) skin-rabbit mild; 100 mg/24 hour(s) eyes-rabbit moderate
    TOXICITY DATA: 2030 mg/kg oral-rat LD50 LOCAL EFFECTS: Irritant:
    skin, eye ACUTE TOXICITY LEVEL: Moderately Toxic: ingestion

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

Ecological:Not available

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

Waste Disposal Methods:Dispose in accordance with all applicable
    regulations.

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

Transport Information:U.S. DEPARTMENT OF TRANSPORTATION: No
    classification assigned.

=====================  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: No  FIRE: Yes 
    REACTIVE: No  SUDDEN RELEASE: No  SARA TITLE III SECTION 313 (40
    CFR 372.65): Not regulated.
Federal Regulatory Information:CERCLA SECTIONS 102a/103 HAZARDOUS
    SUBSTANCES (40 CFR 302.4): Not regulated. OSHA PROCESS SAFETY
    (29CFR1910.119): Not regulated.
State Regulatory Information: California Proposition 65: Not regulated.

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

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 This information is formulated for use by elements of the Department
 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
 document should seek competent professional advice to verify and
 assume responsibility for the suitability of this information to their
 particular situation.