Selenium Dioxide With Purity 96-98 % 7446-08-4

(1), Application:

Used for manganese electrolysis additive, microelement additive for beverage, blackening agent for steal material. It can also used for oxidizing agent, catalyst, chemical agents, etc.

(2),Characters:

White, luster, square crystal, density 3.*9~3.*5g/ml, badly volatilizable, its congealed form from vaporizing form appears white or pale yellow needle shape. It can vaporize without thaw. Sublimation temperature **5 C , Melting point **0~**0C. It badly dissolves in water and turn to selenite acid. Selenium dioxide gas appears yellow-green and smells garlic. Selenium dioxide is a kind of strong oxidizing agent and can was reduced by SO2, H2, NH3, CO, C to element selenium. The product absorbs water easily so it should avoid wet in store and transfer.

(3),Specification:

*8%

(4),Package:

Inside package is thin film plastics bag; Outside package is iron bucket or plastic bucket, net weight *5kg/bucket.

(5),Product standard(%)