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Silicon(IV) bromide
CAS No.: 7789-66-4
Formula: Br4Si
Exact Mass: 343.65000
Molecular Weight: 347.70200
PSA: 0.00000
LogP: 3.00160
Reference Price: $1,642/kg Post Buying Request
Silicon(IV) bromide 7789-66-4 MSDS

Section 1: Product Identification
   Chemical Name:       Silicon (IV) bromide, 99+%    
   CAS Registry Number:       7789-66-4    
   Formula:       SiBr4    
   EINECS Number:       232-182-4    
   Chemical Family:       metal halide    
   Synonym:       Silicon tetrabromide    

Section 2: Composition and Information on Ingredients
   Ingredient       CAS Number       Percent       ACGIH (TWA)       OSHA (PEL)    
   Title Compound       7789-66-4       100%       no data       no data    

Section 3: Hazards Identification
   Extremely destructive to tissue of the respiratory tract, eyes and skin. Material hydrolyzes in contact with
   Emergency Overview:
   moisture releasing corrosive hydrogen bromide fumes.
   Primary Routes of Exposure:       Ingestion, inhalation, skin, eyes    
   Eye Contact:       Liquid and vapors will cause burns to the eyes and blindness.    
   Skin Contact:       Corrosive to skin. Contact can lead to redness, pain, blistering, ulceration, and scar formation.    
   Inhalation of choking fumes will result in burns to the respiratory tract, chemical pneumonitis and pulmonary
   Ingestion:       Ingestion is unlikely due to pungent choking odor. Causes burns to the gastrointestinal system.    
   May be harmful if swallowed, inhaled or absorbed through the skin. Material is extremely destructive to tissue
   Acute Health Affects:
   of the mucous membranes and upper respiratory tract, eyes and skin.
   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
   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
   vomiting only if directed by medical personnel.

SECTION 5: Fire Fighting Measures
   Flash Point:       not applicable    
   Autoignition Temperature:       none    
   Explosion Limits:       none    
   Extinguishing Medium:       none required    
   If involved in a fire, fire fighters should be equipped with a NIOSH approved positive pressure self-contained
   Special Fire Fighting Procedures:
   breathing apparatus and full protective clothing.
   Hazardous Combustion and       If involved in a fire this material may emit corrosive hydrogen bromide fumes.    
   Decomposion Products:
   Unusual Fire or Explosion Hazards: No unusual fire or explosion hazards.

SECTION 6: Accidental Release Measures
   Small spills can be mixed with powdered sodium bicarbonate, lime, or calcium carbonate and swept up.
   Spill and Leak Procedures:       Spillage in areas not adequately ventilated may require an evacuation of area. Emergency response teams    
   will require self-contained breathing apparatus.

SECTION 7: Handling and Storage
   Store material in a tightly sealed bottle away from moisture. If possible, handle material in an efficient fume
   Handling and Storage:
   hood. Exposure to the atmosphere may lead to degradation of the product.

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 determinew proper type of glove.    
   Ventilation:       If possible, handle the material in an efficient fume hood.    
   In the absence of adequate ventilation a respirator should be worn. The use of a respiratory requires a
   Respirator Protection Program to be in compliance with 29 CFR 1910.134.
   Ventilation:       If possible, handle the material in an efficient fume hood.    
   Additional Protection:       Protective work clothing.    

SECTION 9: Physical and Chemical Properties
   Color and Form:       colorless liq.    
   Molecular Weight:       347.72    
   Melting Point:       5.4°    
   Boiling Point:       154°C    
   Vapor Pressure:       no data    
   Specific Gravity:       2.772    
   Odor:       Pungent odor.    
   Solubility in Water:       reacts with water    

SECTION 10: Stability and Reactivity
   Stability:       moisture sensitive    
   Hazardous Polymerization:       no hazardous polymerization    
   Conditions to Avoid:       contact with moisture    
   Incompatibility:       Water, alcohols, strong bases, and active metals.    
   Decomposition Products:       with moisture: hydrogen bromide and hydrobromic acid.    

SECTION 11: Toxicological Information
   RTECS Data:       No information available in the RTECS files.    
   Carcinogenic Effects:       no data    
   Mutagenic Effects:       no data    
   Tetratogenic Effects:       no data    

SECTION 12: Ecological Information
   Ecological Information:       No information available    

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

SECTION 14: Transportation
   Shipping Name (CFR):       Corrosive liquids, N.O.S.    
   Hazard Class (CFR):       8    
   Additional Hazard Class (CFR):       NA    
   Packaging Group (CFR):       II    
   UN ID Number (CFR):       UN# 1760    
   Shipping Name (IATA):       Corrosive liquid, N.O.S.    
   Hazard Class (IATA):       8    
   Additional Hazard Class (IATA):       NA    
   Packaging Group (IATA):       II    
   UN ID Number (IATA):       UN# 1760    

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


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