INDIUM PHOSPHIDE
Synonym(s):Indium monophosphide;Indium phosphide
- CAS NO.：22398-80-7
- Empirical Formula: InP
- Molecular Weight: 145.79
- MDL number: MFCD00016153
- EINECS: 244-959-5
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-13 11:17:25
What is INDIUM PHOSPHIDE?
Chemical properties
black crystal(s); 6mm pieces and smaller with 99.999% purity; semiconductor; band gap, eV, 1.42 (0K) and 1.35 (300K); mobility (300K), cm2/(V·s), 4600 electrons and 150 holes; dielectric constant 12.4; effective mass 0.077 electrons and 0.64 holes [KIR82] [CER91] [STR93]
The Uses of INDIUM PHOSPHIDE
In electronics for research on semiconductors.
The Uses of INDIUM PHOSPHIDE
InP is used in high-power and high-frequency electronics because of its superior electron velocity. It also has a direct bandgap, making it useful for optoelectronics devices like laser diodes. It is also used as a substrate for epitaxial indium gallium arsenide based opto-electronic devices.
Flammability and Explosibility
Not classified
Properties of INDIUM PHOSPHIDE
| Melting point: | 1070°C |
| Density | 4,787 g/cm3 |
| solubility | slightly soluble in acid solutions |
| form | pieces |
| color | Black |
| Water Solubility | Insoluble in water. |
| Crystal Structure | Cubic, Sphalerite Structure - Space Group F(-4)3m |
| Merck | 14,4953 |
| Exposure limits | ACGIH: TWA 0.1 mg/m3 NIOSH: TWA 0.1 mg/m3 |
| CAS DataBase Reference | 22398-80-7(CAS DataBase Reference) |
| IARC | 2A (Vol. 86) 2006 |
| EPA Substance Registry System | Indium phosphide (InP) (22398-80-7) |
Safety information for INDIUM PHOSPHIDE
| Signal word | Danger |
| Pictogram(s) |
 Health Hazard GHS08 |
| GHS Hazard Statements |
H350:Carcinogenicity H361:Reproductive toxicity H372:Specific target organ toxicity, repeated exposure |
| Precautionary Statement Codes |
P201:Obtain special instructions before use. P308+P313:IF exposed or concerned: Get medical advice/attention. |
Computed Descriptors for INDIUM PHOSPHIDE
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