ALUMINUM ANTIMONIDE
- CAS NO.：25152-52-7
- Empirical Formula: AlH3Sb
- Molecular Weight: 151.77
- MDL number: MFCD00014154
- EINECS: 246-667-3
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-12-18 14:15:32
What is ALUMINUM ANTIMONIDE?
Chemical properties
Crystalline solid.
The Uses of ALUMINUM ANTIMONIDE
In semiconductor research.
The Uses of ALUMINUM ANTIMONIDE
In semiconductor technology
Production Methods
To grow single crystals, Al and Sb are mixed stoichiometrically in the Al2O3 boat and melted, followed by pulling up of a single crystal using the Czochralski method. Melted Al is oxidized easily and various methods, like rotation of a crucible, are considered to remove the oxide.1 The speed of pulling up is better to be smaller than 7.5 cm/h. High-grade graphite crucible is often used, but p-type impurities might be produced by the reaction of Al and C. Zone refining using the Al2O3 boat or floating zone refining is possible, but a remarkable removal of impurities like Si and Ge is not expected.
Definition
Aluminium antimonide (AlSb) decomposes slowly to Al and Sb at room temperature.
Structure and conformation
The space lattice of AlSb belongs to the cubic system, and its zinc blend-type structure has a lattice constant of a=0.6136 nm and Al–Sb=0.266 nm.
Properties of ALUMINUM ANTIMONIDE
| Melting point: | 1050°C |
| Density | 4.260 |
| form | Pieces |
| color | brown cubic crystals, crystalline |
| Crystal Structure | Cubic, Sphalerite Structure - Space Group F(-4)3m |
| Exposure limits | ACGIH: TWA 0.5 mg/m3 NIOSH: IDLH 50 mg/m3; TWA 0.5 mg/m3 |
| CAS DataBase Reference | 25152-52-7(CAS DataBase Reference) |
| EPA Substance Registry System | Aluminum, compd. with antimony (1:1) (25152-52-7) |
Safety information for ALUMINUM ANTIMONIDE
| Pictogram(s) |
 Exclamation Mark Irritant GHS07  Environment GHS09 |
| GHS Hazard Statements |
H302:Acute toxicity,oral H332:Acute toxicity,inhalation H411:Hazardous to the aquatic environment, long-term hazard |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P270:Do not eat, drink or smoke when using this product. P304+P340:IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing. |
Computed Descriptors for ALUMINUM ANTIMONIDE
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