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Sigma-Aldrich

Lead(II) telluride

greener alternative

99.998% trace metals basis

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About This Item

Linear Formula:
PbTe
CAS Number:
1314-91-6
Molecular Weight:
334.80
EC Number:
215-247-1
MDL number:
MFCD00016274
UNSPSC Code:
12352300
PubChem Substance ID:
24855370
NACRES:
NA.23

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

Related Categories

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
We are committed to bringing you Greener Alternative Products, which adhere to one or more of The 12 Principles of Greener Chemistry. This product has been enhanced for energy efficiency. Find details here.

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

Signal Word

Danger

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

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

EU REACH Annex XVII (Restriction List)

CAS No.

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Physica B: Condensed Matter, 322(1-2), 205-223 (2002)

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