HuagongsheHuagongshe Chemistry Print Report · For research reference only

HCID 82913Generated: November 2, 2026

Tungsten telluride (WTe2)

WTe2 · WTe2 Crystal · Einecs 235-086-0 · Telluride tungsten · TUNGSTEN TELLURIDE · TUNGSTEN DITELLURIDE · Tungsten(Ⅳ) telluride · tungstentelluride(wte2)

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Tungsten telluride (WTe2) molecular structure

Identifiers & Physical Properties

CAS No.	12067-76-4
Molecular formula	Te2W
Average molar mass	439 g/mol
Monoisotopic mass	443.763379 g/mol
SMILES	[Te]=[W]=[Te]
InChIKey	WFGOJOJMWHVMAP-UHFFFAOYSA-N
PubChem CID	82913
EC No.	235-086-0
DTXSID	DTXSID3065243

Chemical & Physical Properties

Topological polar surface area	0
Hydrogen bond donors	0
Hydrogen bond acceptors	0
Rotatable bonds	0
Heavy atoms	3
Formal charge	0
Complexity	18.3
SpringerMaterials Properties	dielectric constant
Melting point	1020°C
Density	9.430
Physical state	gray orthorhombic crystals
Color	gray orthorhombic crystals, crystalline
Thermal conductivity	1.59 W/(m·K)
EPA Substance Registry System	Tungsten telluride (WTe2) (12067-76-4)
GHS pictogram	GHS06
Signal word	Danger
GHS hazard statements	H301-H332
GHS precautionary statements	P264-P270-P301+P310-P321-P330-P405-P501-P261-P271-P304+P340-P312
TSCA inventory status	TSCA listed

Safety & Regulations

GHS classification	DangerH301 (100%): Toxic if swallowed [Danger Acute toxicity, oral]P261, P264, P270, P271, P301+P316, P304+P340, P317, P321, P330, P405, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 2 reports by companies from 1 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Hazard Classes and Categories	Acute Tox. 3 (100%)
TSCA inventory status	TSCA listed
Signal word	Danger
GHS pictogram	GHS06
GHS hazard statements	H301-H332
GHS precautionary statements	P264-P270-P301+P310-P321-P330-P405-P501-P261-P271-P304+P340-P312