September 2010
NIOSH Publication Number 2010-168c

Bismuth telluride, doped with Selenium sulfide (as Bi2Te3)

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.]
CAS No.
RTECS No.
DOT ID & Guide
 
Conversion
IDLH
N.D.
See: IDLH INDEX
Exposure Limits
NIOSH REL
: TWA 5 mg/m3
OSHA PEL
†: none
Measurement Methods

NIOSH ID121
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
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
Personal Protection/Sanitation
(See protection codes)
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

See also: INTRODUCTION