China Selenium Oxide Powder Seo2 Chemcials Oxide

Chemical Name: Selenium dioxide

Molecular Formula:SeO2

MW:110.96

MP:340-360oC

Relative density:3.95

Specification

White or reddish shiny needle-like crystalline powder, with irritating odor.Soluble in water, ethanol, acetone, benzene, acetic acid

Risk marker 13 (virulent)
Uses

Main purposes for oxidant, catalyst, reagent, etc.

Properties
Molecular formula SeO2
Molar mass 110.96 g/mol
Appearance White crystalline solid
Density 3.95 g/cm3, solid

Melting point 340 ºC (sealed tube)
Boiling point 315 C subl.

Vapor pressure 1.65 kPa (70 ºC)
Acidity (pKa) 2.62; 8.32

Product standard(%)

SeO2

Cu

Ni

Co

S

water-fast component

98%

0.002

0.002

0.001

0.03

0.20