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Bismuth selenide

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Bismuth selenide Basic information

Product Name:
Bismuth selenide
Synonyms:
  • bismuthselenide(bi2se3)
  • BISMUTH SELENIDE
  • BISMUTH(III) SELENIDE
  • vacuumdepositiongrade,99.999%(metalsbasis)
  • bismuth(iii) selenide, vacuum deposition grade
  • Bismuth(III) selenide, Vacuum Deposition Grade, 99.999% (metals basis)
  • 2,4,5-Triselena-1,3-dibismabicyclo[1.1.1]pentane
  • dibismuth triselenide
CAS:
12068-69-8
MF:
Bi2Se3
MW:
654.84
EINECS:
235-104-7
Product Categories:
  • Chalcogenides
  • Materials Science
  • Metal and Ceramic Science
Mol File:
12068-69-8.mol
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Bismuth selenide Chemical Properties

Melting point:
710°C
Boiling point:
1007 °C
Density 
6.82 g/mL at 25 °C(lit.)
solubility 
insoluble in H2O
form 
Pieces
Specific Gravity
6.82
color 
Gray
Water Solubility 
Insoluble in water. Decomposes when heated in air. Decomposes in nitric acid and aqua regiaSoluble in strong acids. Insoluble in water and organic solvents.
Crystal Structure
Cubic, Halite Structure - Space Group Fm3m
Merck 
14,1278
Exposure limits
ACGIH: TWA 0.2 mg/m3
NIOSH: IDLH 1 mg/m3; TWA 0.2 mg/m3
CAS DataBase Reference
12068-69-8(CAS DataBase Reference)
EPA Substance Registry System
Bismuth selenide (Bi2Se3) (12068-69-8)
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Safety Information

Hazard Codes 
T,N
Risk Statements 
23/25-33-50/53
Safety Statements 
20/21-28-45-60-61
RIDADR 
UN 3283 6.1/PG 3
WGK Germany 
3
TSCA 
Yes
HazardClass 
6.1

MSDS

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Bismuth selenide Usage And Synthesis

Chemical Properties

black crystal(s), 1–6mm pieces (fused) of 99.999% purity; rhomb and hexagonal; decomposes when heated in air, by conc HNO3 and by aqua regia; used in semiconductors and in the form of a 99 or 99.999% pure material used as a sputtering target to produce multilayer thin films and magneto?resistant films [HAW93] [MER06] [CER91]

Uses

In semiconductor research, multilayer thin-film, magnetoresistant film.Bismuth(III) selenide is used as a semiconductor and thermoelectric material. It is also used in semiconductor research. Further, it finds applications magnetoresistant film and semiconductor research.

General Description

This product has been enhanced for energy efficiency.

Bismuth selenideSupplier

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