Agent Name |
Bismuth telluride, undoped and Se-doped |
CAS Number |
1304-82-1 |
Formula |
Bi2-Te3 |
Major Category |
Metals |
Synonyms |
Bismuth sesquitelluride; Bismuth telluride; Bismuth tritelluride; Tellurobismuthite; [NIOSH] |
Category |
Metals, Inorganic Compounds |
Description |
Gray, crystalline solid; [NIOSH] |
Sources/Uses |
An intermetallic compound used to make semiconductors; [ACGIH] |
Comments |
No adverse effects have been reported in animals or workers exposed to bismuth telluride dust. [ACGIH] |
Exposure Assessment |
Skin Designation (ACGIH) |
No |
TLV (ACGIH) |
10 mg/m3(undoped), 5 mg/m3, as Bi2Te3(Se-doped) |
PEL (OSHA) |
15 mg/m3, total dust, 5mg/m3, respirable fraction (undoped) |
Half Life |
Tissue (for bismuth): 20 days;; [TDR, p. 197] |
Links to Other NLM Databases |