Antimony Telluride CAS 1327-50-0
Chemical Name: Antimony(III) Telluride
Synonymous Names: Antimony Telluride; Diantimony Tritelluride; Antimony Sesquitelluride
CAS No.: 1327-50-0
Molecular Formula: Sb2Te3
Molecular Weight: 626.32 g/mol
EINECS No.: 215-480-9
Purity: ≥99.99%
Antimony Telluride CAS 1327-50-0 is a high-purity semiconductor material used to produce thermoelectric materials, thin films, phase-change materials and research crystals.
Sb2Te3 normally shows p-type semiconductor behavior. It can be processed alone or combined with Bismuth Telluride to prepare p-type Bi-Sb-Te thermoelectric materials. These materials are used in Peltier cooling, temperature control and heat-to-electricity conversion.
Product Specification
| Item | Specification |
| Product name | Antimony(III) Telluride |
| CAS number | 1327-50-0 |
| Appearance | Grey powder |
| Purity | ≥99.99% |
| Composition | Sb₂Te₃ |
| Sb atomic ratio | 2:03 |
| Particle size | −100 mesh or −325 mesh |
| Melting point | 629°C |
| Density | 6.5 g/cm³ |
| Crystal system | Rhombohedral |
| Water solubility | Insoluble |
Antimony Telluride Applications
Thermoelectric Material Production
Antimony Telluride powder is used to prepare p-type thermoelectric materials for cooling, temperature control and power generation.
Thin Films and Phase-Change Materials
Sb₂Te₃ is used to prepare thin films for phase-change memory, electronic switching and material research. It may be used as a binary phase-change material or as part of Sb-Te and Ge-Sb-Te systems.
Crystal Growth and Semiconductor Research
High-purity Antimony Telluride is used to grow single crystals and prepare layered semiconductor samples. Use these materials to study electrical transport, surface states and thermoelectric behavior.
Sb2Te3 is also studied as a three-dimensional topological insulator. This is mainly a research use.
Packaging and Storage
packaging: 25 g or 500 g sealed bottle.
Store Antimony Telluride in a tightly closed container in a cool, dry and well-ventilated area.









