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CAS Number: 2117-28-4
Product Catalog

14-1500
Silicon › Bis(trimethylsilyl)methane, 97%
CAS Number: 2117-28-4
MDL Number: MFCD00008275
Molecular Formula: C7H20Si2
Molecular Weight: 160.41
Chemical Formula: [(CH3)3Si]2CH2
Color and Form: colorless liq.
Note:  

Safety: Hazardous

Physical Characteristics: melting point -71°C, boiling point 133-134°C, flash point 55°F, density 0.751

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SECTION 1: Product Identification
Chemical Name: Bis(trimethylsilyl)methane, 97%
Product Number: 14-1500
CAS Registry Number: 2117-28-4
Formula: [(CH3)3Si]2CH2
EINECS Number: 218-322-7
Chemical Family: organosilicon compounds
Synonym: Methylene bis(trimethyl)silane
SECTION 2: Composition and Information on Ingredients
Ingredient CAS Number Percent ACGIH (TWA) OSHA (PEL)
Title Compound 2117-28-4 100 no data no data
SECTION 3: Hazards Identification
Emergency Overview: Irritating to skin, eyes, and respiratory tract.
Primary Routes of Exposure: Inhalation, skin, eyes.
Eye Contact: Causes moderate irritation of the eyes.
Skin Contact: Causes slight to mild irritation of the skin.
Inhalation: Causes irritation to the nose, mucous membranes and respiratory tract.
Ingestion: Ingestion may result in the release of a large amount of acetylene gas.
Acute Health Effects: Irritating to skin, eyes, and respiratory tract.
Chronic Health Effects: No information available on long-term chronic effects.
NTP: No
IARC: No
OSHA: No
SECTION 4: First Aid Measures
Eye Exposure: Immediately flush the eyes with copious amounts of water for at least 10-15 minutes. A victim may need assistance in keeping their eye lids open. Get immediate medical attention.
Skin Exposure: Wash the affected area with water. Remove contaminated clothes if necessary. Seek medical assistance if irritation persists.
Inhalation: Remove the victim to fresh air. Closely monitor the victim for signs of respiratory problems, such as difficulty in breathing, coughing, wheezing, or pain. In such cases seek immediate medical assistance.
Ingestion: Seek medical attention immediately. Keep the victim calm. Give the victim water (only if conscious). Induce vomiting only if directed by medical personnel.
SECTION 5: Fire Fighting Measures
Flash Point: 55°F
Autoignition Temperature: no data
Explosion Limits: no data
Extinguishing Medium: carbon dioxide or dry powder
Special Fire Fighting Procedures: Fire fighters should be equipped with a NIOSH approved positive pressure self-contained breathing apparatus and full protective clothing.
Hazardous Combustion and Decomposion Products: If involved in a fire this material may emit toxic and corrosive fumes.
Unusual Fire or Explosion Hazards: Highly flammable liquid. Formation of explosive air/vapor mixtures is possible.
SECTION 6: Accidental Release Measures
Spill and Leak Procedures: Remove sources of ignition. Small spills can be mixed with vermiculite, sodium carbonate or other suitable non combustible adsorbent and swept up.
SECTION 7: Handling and Storage
Handling and Storage: Store the material in a cool, dry place in a tightly sealed container.
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.
Respirator: If ventilation is not available a respirator should be worn. The use of respirators requires a Respirator Protection Program to be in compliance with 29 CFR 1910.134.
Additional Protection: No additional protection required.
SECTION 9: Physical and Chemical Properties
Color and Form: colorless liq.
Molecular Weight: 160.41
Melting Point: -71°C
Boiling Point: 133-134°C
Vapor Pressure: no data
Specific Gravity: 0.751
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): Flammable liquids, N.O.S.
Hazard Class (CFR): 3
Additional Hazard Class (CFR): NA
Packaging Group (CFR): II
UN ID Number (CFR): UN# 1993
Shipping Name (IATA): Flammable liquid, N.O.S.
Hazard Class (IATA): 3
Additional Hazard Class (IATA): NA
Packaging Group (IATA): II
UN ID Number (IATA): UN# 1993
SECTION 15: Regulatory Information
TSCA: Listed in the TSCA inventory.
SARA (Title 313): Title compound not listed.
Second Ingredient: none
Third Ingredient: none
SECTION 16: Other Information
Disclaimer: The information herein is believed to be accurate and reliable as of the date compiled. However, Strem Chemicals, Inc. makes no representation, warranty, or guarantee of any kind with respect to the information contained in this document or any use of the product based on this information.
Preparation Date: 11/14/2002
Revision Date: 12/14/2011

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