lead selenide

Synonym:none

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Section 2: Composition and Information on Ingredients
IngredientCAS NumberPercentACGIH (TWA)OSHA (PEL)
Title Compound12069-00-0100%0.05mg/m3 (as Pb)0.05mg/m3 (as Pb)

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Section 3: Hazards Identification
Harmful by inhalation and if swallowed. Chronic effects are severe and include headache, anemia, brain
Emergency Overview:
damage and reproductive disorders. May cause cancer. Danger of cumulative effects.
Primary Routes of Exposure:Ingestion, skin, inhalation of dust.
Eye Contact:May cause slight to mild irritation of the eyes.
Skin Contact:May cause slight to mild irritation of the skin
Inhalation:Large dust exposure may cause encephalopathy, then seizures, coma, and cardiorespiratory distress.
Ingestion may lead to dizziness, abdominal cramps, vomiting, bloody diarrhea, metallic taste, weakness, and
Ingestion:
convulsions.
Exposure may cause abdominal pain, loss of appetite, muscle weakness, headache, joint pain, metallic taste,
Acute Health Affects:
and encephalopathy (swelling of the brain). May cause harm to the unborn child.
The chronic effects of lead poisoning include diarrhea, loss of appetite, muscle pain, headache, dizziness,
Chronic Health Affects:
anemia, brain damage, and reproductive disorders. Possible risk of impaired fertility. May cause cancer.
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 andIf involved in a fire this material may emit toxic lead oxide dust.
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 vermiculite, sodium carbonate or other suitable non combustible adsorbent and
Spill and Leak Procedures:
swept up.

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SECTION 7: Handling and Storage
Handling and Storage:No special precautions needed in handling and storage.

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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:gray to black pieces
Molecular Weight:286.15
Melting Point:1065°
Boiling Point:no data
Vapor Pressure:not applicable
Specific Gravity:8.1
Odor:none
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:none
Incompatibility:oxidizing agents
Decomposition Products:lead oxide and selenium oxide fumes

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SECTION 11: Toxicological Information
RTECS Data:No information available in the RTECS files.
Carcinogenic Effects:Carcinogen (as Pb)
Mutagenic Effects:No data available
Tetratogenic Effects:Reproductive effector (as Pb)

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SECTION 12: Ecological Information
Avoid release to the environment. Very toxic to aquatic organisms. May cause long-term adverse effects in the
Ecological Information:
aquatic environment.

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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):Selenium compound, N.O.S.
Hazard Class (CFR):6.1
Additional Hazard Class (CFR):NA
Packaging Group (CFR):III
UN ID Number (CFR):UN# 3283
Shipping Name (IATA):Selenium compound, Solid, N.O.S.
Hazard Class (IATA):6.1
Additional Hazard Class (IATA):NA
Packaging Group (IATA):III
UN ID Number (IATA):UN# 3283

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SECTION 15: Regulatory Information
TSCA:Listed in the TSCA inventory.
SARA (Title 313):See Category Codes N420 and N725 for reporting.
Second Ingredient:none

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SECTION 16 - ADDITIONAL INFORMATION
N/A