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ChemicalBook--->CAS DataBase List--->12068-69-8

12068-69-8

12068-69-8 Structure

12068-69-8 Structure
IdentificationMore
[Name]

BISMUTH SELENIDE
[CAS]

12068-69-8
[Synonyms]

BISMUTH(III) SELENIDE
BISMUTH SELENIDE
bismuthselenide(bi2se3)
dibismuth triselenide
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
[EINECS(EC#)]

235-104-7
[Molecular Formula]

Bi2Se3
[MDL Number]

MFCD00014200
[Molecular Weight]

654.84
[MOL File]

12068-69-8.mol
Chemical PropertiesBack Directory
[Melting point ]

710°C
[Boiling point ]

1007 °C
[density ]

6.82 g/mL at 25 °C(lit.)
[solubility ]

insoluble in H2O
[form ]

Pieces
[color ]

Gray
[Specific Gravity]

6.82
[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)
Hazard InformationBack Directory
[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.
[General Description]

We are committed to bringing you Greener Alternative Products, which adhere to one or more of The 12 Principles of Greener Chemistry. This product has been enhanced for energy efficiency. Find details here.
Safety DataBack Directory
[Hazard Codes ]

T,N
[Risk Statements ]

R23/25:Toxic by inhalation and if swallowed .
R33:Danger of cumulative effects.
R50/53:Very Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment .
[Safety Statements ]

S20/21:When using, do not eat, drink or smoke .
S28:After contact with skin, wash immediately with plenty of ... (to be specified by the manufacturer) .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
S60:This material and/or its container must be disposed of as hazardous waste .
S61:Avoid release to the environment. Refer to special instructions safety data sheet .
[RIDADR ]

UN 3283 6.1/PG 3
[WGK Germany ]

3
[TSCA ]

Yes
[HazardClass ]

6.1
Well-known Reagent Company Product InformationBack Directory
[Alfa Aesar]

Bismuth(III) selenide, Vacuum Deposition Grade, 99.999% (metals basis)(12068-69-8)
[Sigma Aldrich]

12068-69-8(sigmaaldrich)
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