Lead(II) telluride
Lead(II) telluride (CAS: 1314-91-6; PbTe) is a solid inorganic compound with a molecular weight of 334.80 g/mol. It presents as a dense grey crystalline solid. Lead telluride is primarily recognised for its significant thermoelectric properties, making it a key material in solid-state devices for energy conversion and cooling applications. It is also of interest in materials science research.
Thermoelectric Materials
Lead(II) telluride exhibits excellent thermoelectric performance, enabling its use in solid-state heat pumps and power generators. It is particularly effective for mid-range temperature applications.
Semiconductor Research
As a narrow-bandgap semiconductor, PbTe is studied for its optoelectronic properties. It finds applications in infrared detectors and other specialized electronic devices.
Materials Science
Lead telluride is a component in advanced materials research, including the development of novel alloys and composites with tailored physical properties.
| Molecular weight | 334.80 |
|---|---|
| Linear formula | PbTe |
| Assay | 99.998% trace metals basis |
| Density | 8.164 g/mL at 25 °C(lit.) |
| Melting point | 905 °C(lit.) |
Hazard statements
- H302Harmful if swallowed
- H332Harmful if inhaled
- H360DF
- H373May cause damage to organs through prolonged exposure
- H410Very toxic to aquatic life with long-lasting effects
Precautionary statements
- P201Obtain special instructions before use
- P273Avoid release to the environment
- P308IF exposed or concerned
- P501Dispose of contents and container per local regulations
| Protective equipment | Eyeshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges |
|---|---|
| Transport (UN / ADR) | UN 3077 9 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T,N |
| Risk statements (R) | 61-20/22-33-50/53-62 |
| Safety statements (S) | 53-45-60-61 |
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 Lead(II) telluride used for?
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Lead(II) telluride is primarily used for its thermoelectric properties in solid-state devices for energy conversion and cooling. It is also utilised in semiconductor research and general materials science investigations.
What is the CAS number and formula for Lead(II) telluride?
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The CAS number for Lead(II) telluride is 1314-91-6, and its chemical formula is PbTe.
What grade and purity does Tech Serve Solutions supply for Lead(II) telluride?
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Tech Serve Solutions supplies Lead(II) telluride with a purity of 99.998% on a trace metals basis. This is a high-purity material suitable for research and demanding applications. It is not supplied as USP, BP, or EP grade.
How should Lead(II) telluride be handled safely?
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Lead(II) telluride is a toxic substance harmful if swallowed or inhaled, may cause damage to organs through prolonged or repeated exposure, and is toxic to aquatic life with long-lasting effects. It also poses a risk of damaging fertility or the unborn child. Always use appropriate personal protective equipment including eyeshields, gloves, and a P100 respirator, and ensure good ventilation. Consult the Safety Data Sheet for full details.
How is Lead(II) telluride packed and exported?
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Lead(II) telluride is packed according to stringent safety standards for transport, designated as UN 3077, Class 9, Packing Group III. Tech Serve Solutions exports this chemical globally, adhering to all relevant international shipping regulations.
How can I request a quote or sample for Lead(II) telluride?
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To request a quote or sample for Lead(II) telluride, please contact our sales team via the website or directly by phone. Provide the product name and CAS number (1314-91-6) in your request.
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