Selenium for sale

Product name:Selenium
CAS: 7782-49-2
Molecular Formula: Se
Molecular Weight: 78.96
Product Description: Melting point: 217 ℃. Boiling point: 684.9 + / - 1.0) ℃; Relative density: 4.81; Soluble in sulfuric acid, chloroform, slightly soluble in carbon disulfide, insoluble in water, ethanol. Powder or granule, pure appearance, color is consistent, without impurities such as dirt, the composition is stable, water evenly.Mainly for the production of selenium dioxide used as catalyst for the electrolytic manganese smelting is frozen, the other for rectifier, photographic exposure dose, oil work catalyst, copy drums, selenium plate, alloy, feed and plastic, paint, enamel, and glass in the paint, medical and health care drugs, etc.