7789-65-3

Synonym:Selenium tetrabromide

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Section 2: Composition and Information on Ingredients
IngredientCAS NumberPercentACGIH (TWA)OSHA (PEL)
Title Compound7789-65-3100%0.2mg/m3 (as Se)0.2mg/m3 (as Se)

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Section 3: Hazards Identification
Material hydrolyzes in contact with moisture releasing corrosive hydrogen bromide fumes. Harmful by
Emergency Overview:
inhalation, in contact with skin and if swallowed.
Primary Routes of Exposure:Ingestion, inhalation, skin, eyes
Eye Contact:Liquid and vapors will cause burns to the eyes. May cause blindness.
Skin Contact:Corrosive to skin. Contact can lead to redness, pain, blistering, ulceration, and scar formation.
Inhalation of choking fumes will result in chemical burns of the respiratory tract, chemical pneumonitis and
Inhalation:
pulmonary edema.
Causes burns to the gastrointestinal system. Selenium compounds may lead to nausea, vomiting, and bloody
Ingestion:
diarrhea.
Material is extremely destructive to all body tissues. Selenium compounds cause nausea, vomiting, bloody
Acute Health Affects:
diarrhea, weakness, chills, headache, and delayed pulmonary edema.
Prolonged exposure to selenium compounds may cause dermatitis, diarrhea, liver damage, nervous disorders,
Chronic Health Affects:
lameness, and loss of vitality.
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: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 andIf 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.

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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.

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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.

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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 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:
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.

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SECTION 9: Physical and Chemical Properties
Color and Form:reddish black xtl.
Molecular Weight:398.6
Melting Point:75° dec.
Boiling Point:no data
Vapor Pressure:no data
Specific Gravity:no data
Odor:Pungent odor.
Solubility in Water:reacts with water

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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.

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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

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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 local, state and federal regulations.

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SECTION 14: Transportation
Shipping Name (CFR):Toxic solid, Corrosive, Inorganic, N.O.S.
Hazard Class (CFR):6.1
Additional Hazard Class (CFR):8
Packaging Group (CFR):II
UN ID Number (CFR):UN# 3290
Shipping Name (IATA):Toxic solid, Corrosive, Inorganic, N.O.S.
Hazard Class (IATA):6.1
Additional Hazard Class (IATA):8
Packaging Group (IATA):II
UN ID Number (IATA):UN# 3290

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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