Bismuth selenide
Synonym(s):Bismuth selenide;Dibismuth triselenide
- CAS NO.：12068-69-8
- Empirical Formula: Bi2Se3
- Molecular Weight: 654.84
- MDL number: MFCD00014200
- EINECS: 235-104-7
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-03-27 15:28:50
What is Bismuth selenide?
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]
The Uses of Bismuth selenide
In semiconductor research.
The Uses of Bismuth selenide
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.
Properties of Bismuth selenide
| 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) |
Safety information for Bismuth 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 |
P260:Do not breathe dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P273:Avoid release to the environment. P314:Get medical advice/attention if you feel unwell. P301+P310:IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. |
Computed Descriptors for Bismuth selenide
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