Product ID:DIMETHYLZINC
MSDS Date:Jan 24 1989
MSDS Number: EEEFP
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

Telephone: (USA) 973-257-1100, (WHITBY) 905-668-3570, (EDMONTON)

DIMETHYLZINC

CAS: 544-97-8

Fraction By Weight: 100.0%

Reports of Carcinogenicity:NTP:No IARC:No OSHA:No
Medical Cond Aggravated by Exposure:

First Aid: INHALATION: If adverse effects occur, remove to
uncontaminated area. Give artificial respiration if not breathing.
If breathing is difficult, oxygen should be administered by
qualified personnel. Get immediate medical attention. SKIN CONTACT:
Wash skin with soap and water for at least 15 minutes while
removing contaminated clothing and shoes. Get immediate medical
attention. Thoroughly clean and dry contaminated clothing and shoes
before reuse. Destroy contaminated shoes. EYE CONTACT: Immediately
flush eyes with plenty of water for at least 15 minutes. Then get
immediate medical attention. INGESTION: Never make an unconscious
person vomit or drink fluids. Give large amounts of water or milk.
DO NOT induce vomiting. 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 inhalation, consider oxygen. Avoid gastric lavage or emesis.

Flash Point:spontaneously flammable
Extinguishing Media:regular dry chemical, dry sand, lime, soda ash
Large fires: Keep unnecessary people away, isolate hazard area and
deny entry. Let the fire burn.
Fire Fighting Procedures:Do not use water. Do not use foam. Move
container from fire area if it can be done without risk. Use
extinguishing agents appropriate for surrounding fire. Avoid
inhalation of material or combustion by-products.
Unusual Fire/Explosion Hazard:Severe fire hazard.

Spill Release Procedures:Avoid heat, flames, sparks and other sources
of ignition. Do not touch spilled material. Stop leak if possible
without personal risk. Do not get water directly on material. Small
dry spills: Collect material into suitable, loosely covered
container for disposal. Move containers away from spill to a safe
area. Small liquid spills: Absorb with sand or other
non-combustible material. Collect spilled material in appropriate
container for disposal. Large spills: Dike for later disposal.
Powder spills: Cover with plastic sheet or tarp to minimize
spreading and protect from contact with water. Keep unnecessary
people away, isolate hazard area and deny entry. Stay upwind and
keep out of low areas.
Neutralizing Agent:

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

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. Ensure compliance
with applicable exposure limits.
Protective Gloves:Wear appropriate chemical resistant gloves.
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
DIMETHYLZINC: No occupational exposure limits established.

Boiling Pt:115 F (46 C)
Melt/Freeze Pt:-44 F (-42 C)
Vapor Pres:Not available
Vapor Density:Not available
Spec Gravity:1.4 @ 11 C
pH:Not available
Evaporation Rate & Reference:Not available
Solubility in Water:decomposes
Appearance and Odor:PHYSICAL STATE:liquid ODOR:garlic odor
Corrosion Rate:

Stability Indicator/Materials to Avoid:May decompose on contact with
water or moist air. Contact with water or moist air may generate
flammable and/or toxic gases. May ignite in air.
Stability Condition to Avoid:Avoid contact with air. Keep dry. Keep out
of water supplies and sewers.
Hazardous Decomposition Products:Thermal decomposition products: oxides
of zinc Thermal decomposition products: oxides of zinc
Conditions to Avoid Polymerization:Will not polymerize.

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

Toxicological Information:DIMETHYLZINC: LOCAL EFFECTS: Corrosive:
inhalation, skin, eye, ingestion

Disclaimer (provided with this information by the compiling agencies):
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.

Ecological:Not available

Transport Information:U.S. DOT 49 CFR 172.101: PROPER SHIPPING NAME:
Dimethylzinc ID NUMBER: UN1370 HAZARD CLASS OR DIVISION: 4.2
PACKING GROUP: I LABELING REQUIREMENTS: Spontaneously combustible;
Dangerous when wet QUANTITY LIMITATIONS: PASSENGER AIRCRAFT OR
RAILCAR: Forbidden CARGO AIRCRAFT ONLY: Forbidden

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: Yes SUDDEN RELEASE: Yes SARA TITLE III SECTION 313 (40
CFR 372.65): DIMETHYLZINC
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.