1586-73-8 (九甲基三硅氮烷,Tris(trimethylsilyl)amine)

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Section 1: Product Identification
   Chemical Name:       Nonamethyltrisilazane, 98%    
   CAS Registry Number:       1586-73-8    
   Formula:       N[Si(CH3)3]3    
   EINECS Number:       216-445-0    
   Chemical Family:       organosilicon compound    
   Synonym:       Tris(trimethylsilyl)amine    

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Section 2: Composition and Information on Ingredients
   Ingredient       CAS Number       Percent       ACGIH (TWA)       OSHA (PEL)    
   Title Compound       1586-73-8       100%       no data       no data    

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Section 3: Hazards Identification
   Irritating to skin, eyes and respiratory tract. Slowly generates ammonia gas in the presence of moisture.
   Emergency Overview:
   Symptoms are choking, wheezing, laryngitis, headache, nausea and vomiting.
   Primary Routes of Exposure:       Ingestion, inhalation, skin, eyes.    
   Eye Contact:       Irritating to the eyes. May cause burns.    
   Skin Contact:       Irritating to skin. May be harmful if absorbed through the skin.    
   Inhalation causes irritation of the respiratory tract. May cause edema and chemical pneumonitis. Inhalation
   Inhalation:
   may be fatal.
   Ingestion:       May cause nausea, vomiting and gastrointestinal tract burns, perforation and peritonitis, with abdominal pain.    
   Irritating to skin, eyes and respiratory tract. Ingestion may cause damage to the mouth, throat, esophagus and
   Acute Health Affects:
   gastrointestinal tract. Inhalation may be fatal due to edema and chemical pneumonitis.
   Chronic Health Affects:       No information available on long-term chronic effects.    
   NTP:       No    
   IARC:       No    
   OSHA:       No    

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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.

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SECTION 5: Fire Fighting Measures
   Flash Point:       not applicable    
   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       If involved in a fire, this material may emit toxic and corrosive fumes.    
   Decomposion Products:
   Unusual Fire or Explosion Hazards: No unusual fire or explosion hazards.

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SECTION 6: Accidental Release Measures
   Spill and Leak Procedures:       Sweep up the solid and dispose of properly.    

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SECTION 7: Handling and Storage
   Handling and Storage:       Store the material in a sealed container. Keep away from heat and moisture.    

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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.    

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SECTION 9: Physical and Chemical Properties
   Color and Form:       white to colorless waxy solid    
   Molecular Weight:       233.6    
   Melting Point:       70-71°    
   Boiling Point:       76°C /12 mm    
   Vapor Pressure:       no data    
   Specific Gravity:       0.8635    
   Odor:       ammonia odor    
   Solubility in Water:       insoluble    

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SECTION 10: Stability and Reactivity
   Stability:       air and moisture stable    
   Hazardous Polymerization:       no hazardous polymerization    
   Conditions to Avoid:       contact with moisture    
   Incompatibility:       acids, oxidizing agents and halogens    
   Decomposition Products:       carbon dioxide, carbon monoxide, silicon dioxide, nitrogen oxides and organic fumes.    

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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    

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SECTION 12: Ecological Information
   Ecological Information:       No information available    

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SECTION 13: Disposal Considerations
   Disposal:       Dispose of according to federal, state, and local regulations.    

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SECTION 14: Transportation
   Shipping Name (CFR):       Non-hazardous    
   Hazard Class (CFR):       NA    
   Additional Hazard Class (CFR):       NA    
   Packaging Group (CFR):       NA    
   UN ID Number (CFR):       NA    
   Shipping Name (IATA):       Non-hazardous    
   Hazard Class (IATA):       NA    
   Additional Hazard Class (IATA):       NA    
   Packaging Group (IATA):       NA    
   UN ID Number (IATA):       NA    

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SECTION 15: Regulatory Information
   TSCA:       Listed in the TSCA inventory.    
   SARA (Title 313):       Title compound not listed.    
   Second Ingredient:       none    

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SECTION 16 - ADDITIONAL INFORMATION
N/A