Cas no 1304-82-1 (Bismuth telluride)

Bismuth telluride (Bi?Te?) is a crystalline compound renowned for its exceptional thermoelectric properties, particularly near room temperature. It exhibits high electrical conductivity and low thermal conductivity, making it an optimal material for thermoelectric cooling and power generation applications. Its layered structure with weak van der Waals bonding between quintuple layers contributes to its anisotropic thermal and electrical characteristics. Bismuth telluride is widely utilized in Peltier coolers, waste heat recovery systems, and precision temperature control devices. Doping with selenium or antimony further enhances its performance, allowing tailored optimization for specific thermoelectric applications. The material's stability and efficiency solidify its role in advanced energy conversion technologies.
Bismuth telluride structure
Bismuth telluride structure
Product Name:Bismuth telluride
CAS No:1304-82-1
MF:Bi2Te3
MW:800.760749816895
MDL:MFCD00014201
CID:83556
PubChem ID:329764821
Update Time:2025-05-25

Bismuth telluride Chemical and Physical Properties

Names and Identifiers

    • Bismuth telluride
    • Bismuth(III) telluride
    • dibismuth tritelluride
    • bismuth(3+) telluride (2:3)
    • Bi2Te3
    • Bismuth sesquitelluride
    • Einecs 215-135-2
    • tellurobismuthite
    • tellururedebismuth
    • bismuthtritelluride
    • Bismuth(3 ) telluride
    • bismuthtelluride,undoped
    • bismuthsesquitelluride
    • BISMUTH (III) TELLURIDE
    • BISMUTH TELLURIDE, 99.99%
    • Bismuth telluride, se-doped
    • BisMuth(III) telluride powder, -325 Mesh, 99.99% trace Metals basis
    • Bismuth(III) telluride beads, 99.995% trace metals basis
    • Bismuth(III) telluride (Bi2Te3)
    • MDL: MFCD00014201
    • Inchi: 1S/2Bi.3Te
    • InChI Key: GUYIRKJSQUOSJV-UHFFFAOYSA-N
    • SMILES: [Te]([Bi]=[Te])[Bi]=[Te]

Computed Properties

  • Exact Mass: 777.672
  • Monoisotopic Mass: 1615.358869
  • Isotope Atom Count: 0
  • Hydrogen Bond Donor Count: 0
  • Hydrogen Bond Acceptor Count: 0
  • Heavy Atom Count: 10
  • Rotatable Bond Count: 0
  • Complexity: 9.7
  • Covalently-Bonded Unit Count: 10
  • Defined Atom Stereocenter Count: 0
  • Undefined Atom Stereocenter Count : 0
  • Defined Bond Stereocenter Count: 0
  • Undefined Bond Stereocenter Count: 0
  • Surface Charge: 0
  • Tautomer Count: nothing
  • XLogP3: nothing
  • Topological Polar Surface Area: 0

Experimental Properties

  • Color/Form: Black or gray powder, odourless
  • Density: 7.642?g/mL?at 25?°C(lit.)
  • Melting Point: 573?°C
    585?°C (lit.)
  • Boiling Point: °Cat760mmHg
  • Flash Point: °C
  • Solubility: 不溶于水;溶于乙醇
  • Water Partition Coefficient: Insoluble in water.
  • PSA: 0
  • LogP: -0.91740
  • Sensitiveness: Moisture Sensitive
  • Solubility: Insoluble in water

Bismuth telluride Security Information

  • Symbol: GHS07
  • Signal Word:Warning
  • Hazard Statement: H302;H312;H332;H315;H319;H335
  • Warning Statement: P261;P280;P305;P351;P338
  • Hazardous Material transportation number:UN3284 - class 6.1 - PG 3 - MP - Tellurium compound, n.o.s., HI: all (not BR)
  • WGK Germany:3
  • Hazard Category Code: 20/21/22-36/37/38
  • Safety Instruction: 26-36
  • RTECS:EB3110000
  • Hazardous Material Identification: Xn
  • HazardClass:6.1
  • TSCA:Yes
  • Storage Condition:Warehouse ventilation and low temperature drying

Bismuth telluride Pricemore >>

Related Categories No. Product Name Cas No. Purity Specification Price update time Inquiry
NAN JING HUA XUE SHI JI GU FEN Co., Ltd.
C0020559151- 5g
Bismuth telluride
1304-82-1 99.99%
5g
¥ 160.0 2021-05-18
A FA AI SHA , SAI MO FEI SHI ER KE JI QI XIA GONG SI
14519-10g
Bismuth(III) telluride, Vacuum Deposition Grade, 99.999% (metals basis)
1304-82-1 99.999%
10g
¥1611.00 2023-03-14
A FA AI SHA , SAI MO FEI SHI ER KE JI QI XIA GONG SI
14519-50g
Bismuth(III) telluride, Vacuum Deposition Grade, 99.999% (metals basis)
1304-82-1 99.999%
50g
¥6477.00 2023-03-14
A FA AI SHA , SAI MO FEI SHI ER KE JI QI XIA GONG SI
44077-5g
Bismuth(III) telluride, 99.98% (metals basis)
1304-82-1 99.98%
5g
¥1051.00 2023-02-09
A FA AI SHA , SAI MO FEI SHI ER KE JI QI XIA GONG SI
44077-25g
Bismuth(III) telluride, 99.98% (metals basis)
1304-82-1 99.98%
25g
¥2184.00 2023-02-09
A FA AI SHA , SAI MO FEI SHI ER KE JI QI XIA GONG SI
44077-100g
Bismuth(III) telluride, 99.98% (metals basis)
1304-82-1 99.98%
100g
¥6976.00 2023-02-09
SHANG HAI YI EN HUA XUE JI SHU Co., Ltd.
R094051-5g
Bismuth telluride
1304-82-1 99.9% ()
5g
¥66 2023-09-10
SHANG HAI YI EN HUA XUE JI SHU Co., Ltd.
R094051-25g
Bismuth telluride
1304-82-1 99.9% ()
25g
¥230 2023-09-10
SHANG HAI YI EN HUA XUE JI SHU Co., Ltd.
R094051-100g
Bismuth telluride
1304-82-1 99.9% ()
100g
¥599 2023-09-10
SHANG HAI YI EN HUA XUE JI SHU Co., Ltd.
R031947-100g
Bismuth telluride
1304-82-1 99.99%()
100g
¥795 2023-09-10

Bismuth telluride Suppliers

Amadis Chemical Company Limited
Gold Member
Audited Supplier Audited Supplier
(CAS:1304-82-1)Bismuth telluride
Order Number:A1208385
Stock Status:in Stock
Quantity:25g/100g/500g
Purity:99%
Pricing Information Last Updated:Monday, 2 September 2024 15:58
Price ($):554.0/281.0/695.0
Suzhou Senfeida Chemical Co., Ltd
Gold Member
Audited Supplier Audited Supplier
(CAS:1304-82-1)BISMUTH TELLURIDE
Order Number:sfd2523
Stock Status:in Stock
Quantity:200kg
Purity:99.9%
Pricing Information Last Updated:Friday, 19 July 2024 14:33
Price ($):discuss personally
Tiancheng Chemical (Jiangsu) Co., Ltd
Gold Member
Audited Supplier Audited Supplier
(CAS:1304-82-1)碲化鉍
Order Number:LE27008354
Stock Status:in Stock
Quantity:25KG,200KG,1000KG
Purity:99%
Pricing Information Last Updated:Friday, 20 June 2025 13:01
Price ($):discuss personally

Additional information on Bismuth telluride

Bismuth Telluride (CAS No. 1304-82-1): A Comprehensive Guide to Its Properties and Applications

Bismuth telluride (Bi2Te3), with the CAS number 1304-82-1, is a compound that has garnered significant attention in recent years due to its exceptional thermoelectric properties. This material is widely recognized for its ability to convert heat into electricity and vice versa, making it a cornerstone in the development of advanced thermoelectric devices. As the demand for sustainable energy solutions grows, bismuth telluride-based materials are increasingly being explored for applications in waste heat recovery, refrigeration systems, and portable cooling devices.

The unique crystal structure of Bi2Te3 contributes to its high thermoelectric efficiency, often measured by the dimensionless figure of merit (ZT). Researchers are actively investigating ways to enhance this efficiency through nanostructuring and doping techniques, which are among the most searched topics in materials science. Questions like "How to improve the ZT value of bismuth telluride?" or "What are the latest advancements in bismuth telluride thermoelectrics?" reflect the growing interest in optimizing this material for real-world applications.

Beyond thermoelectrics, bismuth telluride is also being studied for its potential in topological insulators, a class of materials that conduct electricity on their surface while remaining insulating internally. This property has sparked curiosity in the scientific community, with searches such as "bismuth telluride topological insulator applications" becoming more frequent. The material's ability to host Dirac fermions and exhibit quantum Hall effects further underscores its relevance in cutting-edge physics research.

From a commercial perspective, Bi2Te3 is already a key component in thermoelectric coolers (TECs) used in electronics, medical devices, and even consumer products like portable refrigerators. The rise of IoT devices and wearable technology has further driven demand for compact, energy-efficient cooling solutions, placing bismuth telluride at the forefront of innovation. Searches for "bismuth telluride in wearable cooling" or "best thermoelectric materials for IoT" highlight this trend.

Environmental considerations are another hot topic surrounding CAS 1304-82-1. As industries strive to reduce carbon footprints, the recyclability and sustainability of bismuth telluride-based products are under scrutiny. Researchers are exploring green synthesis methods and lifecycle assessments to address these concerns, aligning with global searches for "eco-friendly thermoelectric materials."

In summary, bismuth telluride (Bi2Te3) stands as a multifaceted material with applications spanning energy harvesting, quantum computing, and consumer electronics. Its CAS no. 1304-82-1 serves as a gateway to a wealth of scientific and industrial advancements, making it a subject of enduring relevance in both academic and commercial spheres.

Recommended suppliers
Amadis Chemical Company Limited
(CAS:1304-82-1)Bismuth telluride
A1208385
Purity:99%/99%/99%
Quantity:25g/100g/500g
Price ($):554.0/281.0/695.0
Email
Suzhou Senfeida Chemical Co., Ltd
(CAS:1304-82-1)BISMUTH TELLURIDE
sfd2523
Purity:99.9%
Quantity:200kg
Price ($):Inquiry
Email