Selenium powder, GR 99%+

Name: Selenium powder, GR 99%+
Brand: Vaqora Chemicals
SKU: VQ-016195

About Selenium powder, GR 99%+

Selenium powder (CAS 7782-49-2) is a metal powder offered by Vaqora Chemicals in AR grade at a purity of ≥99%. Its molecular formula is Se and its molecular weight is 78.97 g/mol. Its systematic (IUPAC) name is selenium.

It is supplied as a black or gray to black powder. Reported physical data include a melting point of 217 °C. Store sealed in a dry, well-ventilated location away from incompatible materials. The GHS classification uses the signal word “Danger”, so appropriate gloves, eye protection and ventilation are recommended.

Key uses span powder metallurgy, additive manufacturing, chemical synthesis and ceramics and glass. Buyers come mainly from academic and industrial research and metallurgy and mining.

Standard pack sizes are 25 g, 100 g, 500 g and 5 kg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Powder metallurgy
Additive manufacturing
Chemical synthesis
Ceramics & glass

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Selenium powder, GR 99%+
Catalogue No.	VQ-016195
CAS Number	7782-49-2
IUPAC name	selenium
Molecular formula	Se
Molecular weight	78.97 g/mol
Exact mass	79.9165
Grade	AR
Purity / assay	≥99%
HSN code	28049000
InChIKey	BUGBHKTXTAQXES-UHFFFAOYSA-N
SMILES	[Se]
PubChem CID	6326970

Physical properties
Physical form	Powder
Appearance	Black or gray to black powder
Melting point	217 °C
H-bond donors / acceptors	0 / 0
TPSA	0 Å²

Safety & hazard information (GHS)

Toxic

Health hazard

Signal word: Danger

Hazard statements

H301Toxic if swallowed
H331Toxic if inhaled
H413May cause long lasting harmful effects to aquatic life

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

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Other grades of CAS 7782-49-2

Electronic

Selenium granules, 99.999%

CAS: 7782-49-2
Formula: Se
MW: 78.97 g/mol

VQ-016871

Selenium pellets, 99.9%

CAS: 7782-49-2
Formula: Se
MW: 78.97 g/mol

VQ-016872

Electronic

Selenium pellets, 99.999%

CAS: 7782-49-2
Formula: Se
MW: 78.97 g/mol

VQ-016873

Selenium powder, -200 mesh, 99.999%

CAS: 7782-49-2
Formula: Se
MW: 78.97 g/mol

VQ-016191

Selenium powder, −100 mesh, ≥99.5%

CAS: 7782-49-2
Formula: Se
MW: 78.97 g/mol

VQ-016196

Synthesis

Selenium powder, ≥99.5%

CAS: 7782-49-2
Formula: Se
MW: 78.97 g/mol

VQ-016197

Selenium powder, 200 mesh, ≥99.9%

CAS: 7782-49-2
Formula: Se
MW: 78.97 g/mol

VQ-016192

Selenium powder, 99.9999%

CAS: 7782-49-2
Formula: Se
MW: 78.97 g/mol

VQ-016194

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Frequently asked questions

What is the CAS number of Selenium powder, GR 99%+?

The CAS Registry Number of Selenium powder, GR 99%+ is 7782-49-2.

What is the molecular formula and molecular weight of Selenium powder, GR 99%+?

Selenium powder, GR 99%+ has the molecular formula Se and a molecular weight of 78.97 g/mol. Its IUPAC name is selenium.

Which grade and pack sizes of Selenium powder, GR 99%+ can I order?

We supply Selenium powder, GR 99%+ in AR (≥99%) grade, in 25 g, 100 g, 500 g, 5 kg, 25 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Selenium powder, GR 99%+?

Yes. Every lot of Selenium powder, GR 99%+ is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Selenium powder, GR 99%+ be shipped internationally?

Yes. Selenium powder, GR 99%+ is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.