NIOSH Publication No. 2005-151:

NIOSH Pocket Guide to Chemical Hazards

September 2005

Bismuth telluride, doped with Selenium sulfide (as Bi2Te3)

CAS


RTECS
Synonyms & Trade Names

Doped bismuth sesquitelluride, Doped bismuth telluride, Doped bismuth tritelluride, Doped tellurobismuthite [Note: Doped with selenium sulfide. Commercial mix may contain 80% Bi2Te3, 20% stannous telluride, plus some tellurium.]
DOT ID & Guide

Exposure
Limits

NIOSH REL: TWA 5 mg/m3
OSHA PEL†: none
IDLH
N.D. See: IDLH INDEX
Conversion
Physical Description
Gray, crystalline solid that has been enhanced (doped) with a small amount of selenium sulfide (SeS). [Note: Doping alters the conductivity of a semiconductor.]
Properties are unavailable but should be similar to Bismuth telluride, undoped.






Sp.Gr: ?




Noncombustible Solid
Incompatibilities & Reactivities

Strong oxidizers, moisture
Measurement Methods
NIOSH 0500; OSHA ID121
See: NMAM or OSHA Methods
Personal Protection & Sanitation
(See protection)
Skin: Prevent skin contact
Eyes: Prevent eye contact
Wash skin: When contaminated
Remove: When wet or contaminated
Change: No recommendation
Provide: Eyewash, Quick drench
First Aid
(See procedures)
Eye: Irrigate immediately
Skin: Soap wash immediately
Breathing: Respiratory support
Swallow: Medical attention immediately
Respirator Recommendations
Not available.
Important additional information about respirator selection
Exposure Routes
inhalation, skin and/or eye contact
Symptoms
Irritation eyes, skin, upper respiratory system; garlic breath; in animals: pulmonary lesions (nonfibrotic)
Target Organs
Eyes, skin, respiratory system
See also: INTRODUCTION