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Bismuth telluride, doped with Selenium sulfide (as Bi2Te3)																				Related Pages
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

Formula
	Conversion
	IDLH
			N.D.See: IDLH INDEX

Exposure Limits
			NIOSH RELTWA 5 mg/m3OSHA PEL none See Appendix G
	Measurement Methods
			**NIOSH** 0500;**OSHA** ID121
					
					See: NMAM or OSHA Methods
										
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.]													
										
Molecular WeightProperties are unavailable but should be similar to Bismuth telluride, undoped.											
Specific Gravity?
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

			
							

			Page last reviewed:  October 30, 2019						Content
							source: 	National Institute for Occupational Safety and Health NIOSH Pocket Guide to Chemical Hazards
Introduction
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Chemical Names, Synonyms and Trade Names
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CAS Numbers
RTECS Numbers
Appendices
A – NIOSH Potential Occupational Carcinogens
B – Thirteen OSHA-Regulated Carcinogens
C – Supplementary Exposure Limits
D – Substances with No Established RELs
E – OSHA Respirator Requirements for Selected Chemicals
F – Miscellaneous Notes
G – 1989 Air Contaminants Update Project: Exposure Limits NOT in Effect
Type C & CE – Definitions for Type C and Type CE Respirators
Personal Protection and Sanitation Codes
First Aid Procedures Follow NIOSH Facebook
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