INDIUM SELENIDE
Synonym(s):Indium selenide;Indium sesquiselenide
- CAS NO.：12056-07-4
- Empirical Formula: In2Se3
- Molecular Weight: 466.52
- MDL number: MFCD00016147
- EINECS: 235-016-9
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-27 17:39:52
What is INDIUM SELENIDE?
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]
The Uses of INDIUM SELENIDE
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.
Properties of INDIUM SELENIDE
| 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) |
Safety information for INDIUM SELENIDE
| Signal word | Danger |
| Pictogram(s) |
 Skull and Crossbones Acute Toxicity GHS06  Health Hazard GHS08  Environment GHS09 |
| GHS Hazard Statements |
H373:Specific target organ toxicity, repeated exposure H410:Hazardous to the aquatic environment, long-term hazard |
| Precautionary Statement Codes |
P273:Avoid release to the environment. P314:Get medical advice/attention if you feel unwell. |
Computed Descriptors for INDIUM SELENIDE
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