Bismuth selenide
Bismuth selenide (CAS: 12068-69-8), with the chemical formula Bi2Se3 and a molecular weight of 654.84 g/mol, is a chalcogenide compound. It is known for its unique thermoelectric and topological insulator properties. This high-purity material is primarily utilised in advanced materials science research, particularly in the development of novel thermoelectric devices and in condensed matter physics investigations.
Thermoelectric Materials
Bismuth selenide is a key material in research for thermoelectric generators and coolers due to its favourable band structure and high Seebeck coefficient. It facilitates the conversion of heat energy into electrical energy and vice versa.
Topological Insulators
This compound is extensively studied as a topological insulator, exhibiting insulating bulk properties while maintaining conductive surface states. These unique electronic characteristics are of great interest in spintronics and quantum computing research.
Materials Science Research
As a p-type semiconductor, Bismuth selenide serves as a valuable component in fundamental materials science studies. Its properties are investigated for potential applications in advanced electronic and optoelectronic devices.
| Molecular weight | 654.84 |
|---|---|
| Empirical formula | Bi2Se3 |
| Assay | 99.999% trace metals basis |
| Density | 6.82 g/mL at 25 °C(lit.) |
| Melting point | 710 °C(lit.) |
Hazard statements
- H301Toxic if swallowed
- H331Toxic if inhaled
- H373May cause damage to organs through prolonged exposure
- H410Very toxic to aquatic life with long-lasting effects
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P273Avoid release to the environment
- P301IF SWALLOWED
- P311Call a POISON CENTER or doctor
- P501Dispose of contents and container per local regulations
| Water hazard class (WGK, DE) | 3 |
|---|---|
| Hazard codes (EU) | T,N |
| Risk statements (R) | 23/25-33-50/53 |
| Safety statements (S) | 20/21-28-45-60-61 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Bismuth selenide primarily used for?
+
Bismuth selenide is primarily used in advanced materials science research, particularly for developing thermoelectric devices and exploring its properties as a topological insulator.
What are the CAS number and chemical formula for Bismuth selenide?
+
The CAS number for Bismuth selenide is 12068-69-8, and its chemical formula is Bi2Se3.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies Bismuth selenide with an assay of 99.999% trace metals basis. We do not represent this product as USP, BP, EP, or for pharmaceutical use.
How should Bismuth selenide be handled?
+
Bismuth selenide is toxic if swallowed or inhaled and may cause damage to organs through prolonged or repeated exposure. It is also very toxic to aquatic life with long-lasting effects. Handle with appropriate personal protective equipment in a well-ventilated area and avoid release to the environment.
How is Bismuth selenide packed and shipped?
+
Bismuth selenide is available in various pack sizes suitable for laboratory and research applications. It is exported globally by Tech Serve Solutions, adhering to all relevant shipping regulations for hazardous materials.
How can I request a quote or sample for Bismuth selenide?
+
To request a quote or a sample of Bismuth selenide, please use the contact form on our website or email our sales department, providing your details and the required quantity.
▶ Related products
Aluminosilicate, mesostructured
Metal & Ceramic Science
Aluminum carbide
Al4C3
Metal & Ceramic Science
Aluminum diboride
AlB2
Metal & Ceramic Science
Aluminum dodecaboride
AlB12
Metal & Ceramic Science
Aluminum nitride
AlN
Metal & Ceramic Science
Aluminum sulfide
Al2S3
Metal & Ceramic Science
Aluminum titanate
Al2O3·TiO2
Metal & Ceramic Science
Aluminum zinc oxide
Al2O3/ZnO
Metal & Ceramic Science▶ Explore more
4-Acetylphenoxyacetic acid
CH3COC6H4OCH2CO2H
Chemical Synthesis
(4-Iodophenylethynyl)trimethylsilane
C11H13ISi
Chemical Synthesis
4-Acetylphenyl isocyanate
CH3COC6H4NCO
Chemical Synthesis
4-Acetylphenyl sulfate potassium salt
CH3C(O)C6H4OS(O)2OK
Chemical Synthesis