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Refractory & Heavy Metal Compounds (Mo, W, V, Ti, Zr, Cd, Hg)

Tungsten diselenide, 99.995%

Available on request

Tungsten diselenide, 99.995% (CAS 12067-46-8) supplier Zemixal. Request a quote with price, lead time and documents. Purity 99.995%.

Pack sizes
Tungsten diselenide, 99.995% chemical structure
CAS number12067-46-8
FormulaSe2W
Molar mass341.8 g/mol
Physical formSolid
HS code29332990
Purity99.995%
InChIKeyROUIDRHELGULJS-UHFFFAOYSA-N
IUPAC namebis(selanylidene)tungsten

About Tungsten diselenide, 99.995%

Tungsten diselenide, 99.995% sits in our refractory & Heavy Metal Compounds (Mo, W, V, Ti, Zr, Cd, Hg) section and ships worldwide from stock or short lead time. Identity at a glance (99.995%): CAS 12067-46-8, formula Se2W and molar mass 341.8 g/mol. Typical appearance is grey to dark grey solid.

Common uses in the lab and plant

  • Optics & photonics
  • Battery & energy materials
  • Solar & photovoltaic research

Storage and safety notes

Hazard communication follows GHS (Danger: H301+H331, H301, H331 and H373). Our SDS lists exposure controls and first-aid measures.

Available as 1 g and 5 g. Larger or split packs can be arranged. Each lot travels with a batch certificate of analysis and a 16-section SDS. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Typical uses

  • Optics & photonics
  • Battery & energy materials
  • Solar & photovoltaic research

Applications

Specifications and identifiers

Specifications of Tungsten diselenide, 99.995%
Product nameTungsten diselenide, 99.995%
Catalogue numberZX-014078
CAS number12067-46-8
IUPAC namebis(selanylidene)tungsten
Molecular formulaSe2W
Molar mass341.8 g/mol
Exact mass343.784
Purity / assay99.995%
Physical formSolid
AppearanceGrey to dark grey solid
H-bond donors / acceptors0 / 0
Topological polar surface area0 Ų
HS code29332990
InChIKeyROUIDRHELGULJS-UHFFFAOYSA-N
SMILES[Se]=[W]=[Se]
PubChem CID82910
SynonymsTungsten (IV) selenide, Tungsten selenide, Tungsten selenide (WSe2), Tungsten(IV) selenide, Tungsten selenide, Tungsten diselenide, Tungsten (IV) selenide, Bis(selenido)tungsten, WSe2, Tungsten Selenide Flakes, Tungsten Diselenide Powder, CVD Method Monolayer WSe2, Tungsten diselenide, Crystal, 99.995%, Mechanically Exfoliated Monolayer WSe2 On Substrates

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS06 Acute toxicity
Acute toxicity
GHS08 Health hazard
Health hazard
GHS09 Hazardous to the environment
Hazardous to the environment

Signal word Danger

  • H301+H331Toxic if swallowed or if inhaled
  • H301Toxic if swallowed
  • H331Toxic if inhaled
  • H373May causes damage to organs through prolonged or repeated exposure
  • H400Very toxic to aquatic life
  • H410Very toxic to aquatic life with long lasting effects

Precautionary statements P260, P261, P264, P270, P271, P273, P301 + P316, P304 + P340, P316, P319, P321, P330, P391, P403 + P233, P405, P501

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Tungsten diselenide, 99.995%
1 gQuoted on request
5 gQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Tungsten diselenide, 99.995%

Which CAS number identifies Tungsten diselenide, 99.995%?
Tungsten diselenide, 99.995% is registered under CAS 12067-46-8. You may also see it listed as Tungsten (IV) selenide, Tungsten selenide, Tungsten selenide (WSe2). Our catalogue number for this item is ZX-014078.
What are the formula and molar mass of Tungsten diselenide, 99.995%?
For Tungsten diselenide, 99.995%, its formula is Se2W and its molar mass is 341.8 g/mol. The systematic (IUPAC) name is bis(selanylidene)tungsten. InChIKey ROUIDRHELGULJS-UHFFFAOYSA-N lets you match it in any structure database.
What grade and pack sizes are available for Tungsten diselenide, 99.995%?
This listing is 99.995% purity. Standard packs are 1 g, 5 g. Larger quantities and custom packing can be quoted on request.
Which documents come with Tungsten diselenide, 99.995%?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship Tungsten diselenide, 99.995% to my country?
Yes. Because Tungsten diselenide, 99.995% is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

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