254266

Lead(II) telluride

99.998% trace metals basis

• Linear Formula: PbTe
• CAS Number: 1314-91-6
• Molecular Weight: 334.80
• EC Number: 215-247-1
• MDL number: MFCD00016274
• PubChem Substance ID: 24855370
• NACRES: NA.23

Properties

• Quality Level: 100
• Assay: 99.998% trace metals basis
• form: crystals and lumps
• greener alternative product characteristics: Design for Energy Efficiency; Learn more about the Principles of Green Chemistry.
• mp: 905 °C (lit.)
• density: 8.164 g/mL at 25 °C (lit.)
• greener alternative category: Enabling
• SMILES string: [Te]=[PbH2]
• InChI: 1S/Pb.Te
• InChI key: OCGWQDWYSQAFTO-UHFFFAOYSA-N

Description

General description

Lead telluride (PbTe) has a cubic rocksalt crystal structure which undergoes transition at high pressures to an orthorhombic structure.1 PbTe is a thermoelectric material, oxidation in air has been reported. 2

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Application

Lead(II) telluride (PbTe) is a narrow bandgap semiconductor with good electrical properties. It is a thermoelectric material with thermal conductivity of ~2 Wm⁻¹K⁻¹ at 300 K, which can be used in thermoelectric power generation and energy conversion.

Packaging

Packaged in glass bottles

Safety Information

• Pictograms: GHS07,GHS08,GHS09
• Signal Word: Danger
• Hazard Statements: H302 + H332 - H351 - H360Df - H373 - H410
• Precautionary Statements: P202 - P260 - P273 - P301 + P312 - P304 + P340 + P312 - P308 + P313
• Hazard Classifications: Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Carc. 2 - Repr. 1A - STOT RE 2
• Storage Class Code: 6.1C - Combustible, acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
• WGK: WGK 3
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves