Selenium powder, -200 mesh, 99.999%

Name: Selenium powder, -200 mesh, 99.999%
Brand: Vaqora Chemicals
SKU: VQ-016191

About Selenium powder, -200 mesh, 99.999%

Listed under CAS 7782-49-2, Selenium powder, -200 mesh is a metal powder available from Vaqora Chemicals at a purity of 99.999%. Its molecular formula is Se and its molecular weight is 78.97 g/mol. The IUPAC name is selenium.

The material typically appears as a grey to dark grey to black powder. Literature values give a density of 4.81 g/mL at 25 °C. Store sealed in a dry, well-ventilated location away from incompatible materials. It carries the GHS signal word “Danger” with 3 hazard statements. Review the Safety Data Sheet before use.

Typical applications include powder metallurgy, additive manufacturing and chemical synthesis. Our customers for this product work in academic and industrial research and metallurgy and mining.

Available in 50 g, 250 g, 1 kg and 5 kg packs, Selenium powder, -200 mesh is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Powder metallurgy
Additive manufacturing
Chemical synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	Selenium powder, -200 mesh, 99.999%
Catalogue No.	VQ-016191
CAS Number	7782-49-2
IUPAC name	selenium
Molecular formula	Se
Molecular weight	78.97 g/mol
Exact mass	79.9165
Purity / assay	99.999%
HSN code	28049000
InChIKey	BUGBHKTXTAQXES-UHFFFAOYSA-N
SMILES	[Se]
PubChem CID	6326970

Physical properties
Physical form	Powder
Appearance	Grey to dark grey to black powder
Density	4.81 g/mL at 25 °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

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Electronic

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Synthesis

Selenium powder, ≥99.5%

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MW: 78.97 g/mol

VQ-016197

Selenium powder, 200 mesh, ≥99.9%

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MW: 78.97 g/mol

VQ-016192

Selenium powder, 99.9999%

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Formula: Se
MW: 78.97 g/mol

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Selenium powder, 99%

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Formula: Se
MW: 78.97 g/mol

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Frequently asked questions

What is the CAS number of Selenium powder, -200 mesh, 99.999%?

The CAS Registry Number of Selenium powder, -200 mesh, 99.999% is 7782-49-2.

What is the molecular formula and molecular weight of Selenium powder, -200 mesh, 99.999%?

Selenium powder, -200 mesh, 99.999% 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, -200 mesh, 99.999% can I order?

We supply Selenium powder, -200 mesh, 99.999% in (99.999%) grade, in 50 g, 250 g, 1 kg, 5 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Selenium powder, -200 mesh, 99.999%?

Yes. Every lot of Selenium powder, -200 mesh, 99.999% 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, -200 mesh, 99.999% be shipped internationally?

Yes. Selenium powder, -200 mesh, 99.999% 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.