Lead(II) sulfide
Lead(II) sulfide (PbS, CAS 1314-87-0) is an inorganic compound with a molecular weight of 239.27 g/mol. It appears as a black crystalline solid. This material is primarily recognised for its semiconductor properties and finds applications in infrared detectors and thermoelectric devices. It is also investigated for its potential in optoelectronic applications due to its band gap characteristics.
Infrared Detectors
Lead(II) sulfide is a well-established photoconductive material extensively used in the fabrication of infrared detectors. Its sensitivity to infrared radiation makes it suitable for thermal imaging and gas sensing.
Thermoelectric Materials
PbS exhibits thermoelectric properties, enabling the conversion of heat energy into electrical energy. This characteristic is explored for applications in waste heat recovery and solid-state cooling devices.
Optoelectronics Research
Due to its optoelectronic properties and tunable band gap, Lead(II) sulfide is a subject of research for advanced semiconductor devices and photonics.
| Molecular weight | 239.27 |
|---|---|
| Empirical formula | PbS |
| Assay | 99.9% trace metals basis |
| Density | 7.5 g/mL at 25 °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) sulfide used for?
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Lead(II) sulfide is primarily used in the development of infrared detectors and thermoelectric devices, and is also investigated for optoelectronic applications.
What are the CAS number and formula for Lead(II) sulfide?
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The CAS number for Lead(II) sulfide is 1314-87-0, and its chemical formula is PbS.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Lead(II) sulfide with a purity of 99.9% on a trace metals basis. This is a technical grade, and TSS does not represent it as USP, BP, EP, or any other pharmacopoeia grade.
How should Lead(II) sulfide be handled?
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Lead(II) sulfide is classified as dangerous. It is harmful if swallowed or inhaled, may damage fertility or the unborn child, causes damage to organs through prolonged or repeated exposure, and is very toxic to aquatic life with long lasting effects. Always use appropriate personal protective equipment including eyeshields, gloves, and a suitable respirator, and avoid release to the environment.
Is Lead(II) sulfide a controlled substance?
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Based on the provided data, Lead(II) sulfide (CAS 1314-87-0) is not explicitly listed as a controlled substance under typical regulatory frameworks for common laboratory chemicals. However, users should always verify local regulations concerning lead compounds.
How is Lead(II) sulfide packed and shipped?
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Lead(II) sulfide is shipped as UN 3077, Environmentally Hazardous Substance, Solid, N.O.S. (Lead(II) sulfide), Class 9, Packing Group III.
How can I request a quote or sample?
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To request a quote or sample of Lead(II) sulfide, please contact the TSS sales team through our website or by phone, providing your specific requirements.
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