Selenium powder Se CAS 7782-49-2

About Selenium powder:
Selenium powder with is a kind of Elementary powderwith It is soluble in hot concentrated sulfuric acid and aqua regia, but insoluble in water. It is combustible in case of open flame and high heat.The chemical formula of Selenium powder is Se. They are mainly used in the production of selenium dioxide as a catalyst for electrolytic manganese smelting, and others for rectifiers, photographic exposure agents, catalysts for petrochemical work, copy cartridges, selenium photosensitive plates, alloys, feed, and pigments in plastics, paints, enamels, and glass, Medical and healthcare drugs, etc.

Advantages of Selenium powder:
Selenium powder has the soluble in hot concentrated sulfuric acid and aqua regia, but insoluble in water. It is combustible in case of open flame and high heat.

Specifications and properties of Selenium powder:

Selenium powder Basic information
CAS: 7782-49-2
MF: Se
MW: 78.96
Purity:  99%
Density: 4.81g/cm³
Water soluble:  Insoluble in water and ethanol
Melting Point:  217℃
Boiling Point: 684.9℃
Appearance: Black gray hexagonal metal
Molecular Formula Se
Molecular Weight (g/mol) N/A
MDL Number N/A
InChI Key N/A
Synonym N/A
PubChem CID N/A
IUPAC Name Selenium powder


Quantity 10g
Appearance Black powder 
Assay Percent Range 99.8% (Metals basis)
Mesh Size 10-45μm/15-53μm45-105μm
Odor Odorless
Physical Form N/A
Color Black powder 
Chemical Name or Material Se


Storage Condition of Selenium powder:
Damp reunion will affectSelenium powder dispersion performance and using effects, therefore,Selenium powder should be sealed in vacuum packing and stored in cool and dry room, the Selenium powder can not be exposure to air. In addition, theSelenium powder should be avoided under stress.

Packing & Shipping of Selenium powder:
We have many different kinds of packing which depends on the Selenium powder quantity.
Selenium powder packing:vacuum packing, 100g, 500g or 1kg/bag, 25kg/barrel, or as your request.

Selenium powder shipping:could be shipped out by sea , by air, by express as soon as possible once payment receipt.

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