ChemicalBook--->CAS DataBase List--->12056-07-4

12056-07-4

12056-07-4 Structure

12056-07-4 Structure
IdentificationMore
[Name]

INDIUM SELENIDE
[CAS]

12056-07-4
[Synonyms]

INDIUM(III) SELENIDE
INDIUM SELENIDE
indiumselenide(in2se3)
diindium triselenide
INDIUM(III) SELENIDE, LUMPS
Indium(III) Selenide, Lump
Indium(III) selenide, 99.99% (metals basis)
[EINECS(EC#)]

235-016-9
[Molecular Formula]

In2Se3
[MDL Number]

MFCD00016147
[Molecular Weight]

466.52
[MOL File]

12056-07-4.mol
Chemical PropertiesBack Directory
[Melting point ]

890°C
[density ]

5.67 g/mL at 25 °C(lit.)
[form ]

lumps
[color ]

Silver-gray
[Water Solubility ]

Insoluble in water.
[Exposure limits]

ACGIH: TWA 0.1 mg/m3; TWA 0.2 mg/m3
NIOSH: IDLH 1 mg/m3; TWA 0.1 mg/m3; TWA 0.2 mg/m3
[CAS DataBase Reference]

12056-07-4(CAS DataBase Reference)
[EPA Substance Registry System]

Indium selenide (In2Se3) (12056-07-4)
Hazard InformationBack Directory
[Chemical Properties]

black crystal(s); ortho-rhomb; used in the form of 99.999% pure material as a sputtering target for production of semiconductors [MER06] [CER91]
[Uses]

Indium(III) selenide is used in photovoltaic devices. It is also used for optoelectronics and in solar cells.
[General Description]

Indium selenide (In2Se3) exists in 4 crystal structures (α,β,δ,γ).The metallic α-phase of indium selenide converts to intrinsic conduction β-phase under change in temperature. In2Se3 can be prepared by stoichiometric combination of the elements at 1000 to 1100oC temperatures. Influence of phase transformations on its optical and electrical properties has been reported.
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
[PackingGroup ]

III
[HS Code ]

2842901090
Well-known Reagent Company Product InformationBack Directory
[Alfa Aesar]

Indium(III) selenide, 99.99% (metals basis)(12056-07-4)
[Sigma Aldrich]

12056-07-4(sigmaaldrich)
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