Section 1: Product Identification
Chemical Name: Trimethylsilane, 97%
CAS Registry Number: 993-07-7
Formula: (CH3)3SiH
EINECS Number: 213-603-0
Chemical Family: organosilicon compounds
Synonym: Silane, trimethyl
Section 2: Composition and Information on Ingredients
Ingredient CAS Number Percent ACGIH (TWA) OSHA (PEL)
Title Compound 993-07-7 100% no data no data
Section 3: Hazards Identification
Emergency Overview: May be irritating to skin, eyes, and respiratory tract.
Primary Routes of Exposure: Inhalation, skin, eyes.
Eye Contact: May cause moderate irritation of the eyes.
Skin Contact: May cause slight to mild irritation of the skin.
May cause irritation to the nose, mucous membranes and respiratory tract. May be harmful through inhalation.
Inhalation:
Ingestion: No specific information is available on the physiological effects of ingestion.
Acute Health Affects: May be irritating to skin, eyes and mucous membranes. May be harmful through inhalation.
Chronic Health Affects: No information available on long-term chronic effects.
NTP: No
IARC: No
OSHA: No
SECTION 4: First Aid Measures
Immediately flush the eyes with copious amounts of water for at least 10-15 minutes. A victim may need
Eye Exposure:
assistance in keeping their eye lids open. Get immediate medical attention.
Wash the affected area with water. Remove contaminated clothes if necessary. Seek medical assistance if
Skin Exposure:
irritation persists.
Remove the victim to fresh air. Closely monitor the victim for signs of respiratory problems, such as difficulty
Inhalation:
in breathing, coughing, wheezing, or pain. In such cases seek immediate medical assistance.
Seek medical attention immediately. Keep the victim calm. Give the victim water (only if conscious). Induce
Ingestion:
vomiting only if directed by medical personnel.
SECTION 5: Fire Fighting Measures
Flash Point: <-4°F
Autoignition Temperature: no data
Explosion Limits: no data
Extinguishing Medium: carbon dioxide or dry powder
Fire fighters should be equipped with a NIOSH approved positive pressure self-contained breathing apparatus
Special Fire Fighting Procedures:
and full protective clothing.
Hazardous Combustion and Burning material may emit toxic and corrosive fumes.
Decomposion Products:
Unusual Fire or Explosion Hazards: Highly flammable. Material readily ignited with flames, sparks, friction or heat.
SECTION 6: Accidental Release Measures
The material will evaporate rapidly at room temperature. Leave the area unless fitted with a self-contained
Spill and Leak Procedures: breathing apparatus or until the vapors have dispersed. Larger spills can be absorbed into vermiculite or other
suitable noncombustible adsorbent. Sweep up the material and dispose of properly.
SECTION 7: Handling and Storage
Handling and Storage: The material is stored in steel cylinder.
SECTION 8: Exposure Controls and Personal Protection
Eye Protection: Always wear approved safety glasses when handling a chemical substance in the laboratory.
Skin Protection: Wear protective clothing and gloves. Consult with glove manufacturer to determine the proper type of glove.
Ventilation: Handle the material in an efficient fume hood.
If ventilation is not available a respirator should be worn. The use of respirators requires a Respirator
Respirator:
Protection Program to be in compliance with 29 CFR 1910.134.
Ventilation: Handle the material in an efficient fume hood.
Additional Protection: No additional protection required.
SECTION 9: Physical and Chemical Properties
Color and Form: gas
Molecular Weight: 74.2
Melting Point: -135.9°
Boiling Point: 6.7°C
Vapor Pressure: no data
Specific Gravity: 0.638 (6.7°)
Odor: not determined
Solubility in Water: insoluble
SECTION 10: Stability and Reactivity
Stability: air and moisture stable
Hazardous Polymerization: no hazardous polymerization
Conditions to Avoid: contact with heat or ignition sources.
Incompatibility: Strong oxidizing agents and halogens
Decomposition Products: carbon monoxide, carbon dioxide, silicon dioxide, and organic fumes.
SECTION 11: Toxicological Information
RTECS Data: No information available in the RTECS files.
Carcinogenic Effects: No data available
Mutagenic Effects: No data available
Tetratogenic Effects: No data available
SECTION 12: Ecological Information
Ecological Information: No information available
SECTION 13: Disposal Considerations
Disposal: Dispose of according to federal, state, and local regulations.
SECTION 14: Transportation
Shipping Name (CFR): Liquefied Gas, Flammable, N.O.S.
Hazard Class (CFR): 2.1
Additional Hazard Class (CFR): NA
Packaging Group (CFR): NA
UN ID Number (CFR): UN# 3161
Shipping Name (IATA): Liquefied Gas, Flammable, N.O.S.
Hazard Class (IATA): 2.1
Additional Hazard Class (IATA): NA
Packaging Group (IATA): NA
UN ID Number (IATA): UN# 3161
SECTION 15: Regulatory Information
TSCA: Listed in the TSCA inventory.
SARA (Title 313): Title compound not listed.
Second Ingredient: none
SECTION 16 - ADDITIONAL INFORMATION
N/A
