Selenium powder

Description

Name:Selenium powder;
Chemical formula:Se;
Molecular weight:*8.*6;
CAS:********2;
EINECS:********4;
Melting point:**7℃;
Boiling point:**4.9±1.0℃;
Density:4.*1 g/cm3;
Saturated vapor pressure:0.*3KPa (**6℃);
Solubility: soluble in concentrated sulfuric acid, trichloromethane, slightly soluble in carbon disulfide, insoluble in water, ethanol;
Properties: Black Gray powdery or granular;
Application:
1. Production ofselenium dioxide;
2. Rectifier, photographic exposure agent, petrochemical catalyst, photocopying selenium drum, selenium sensitive plate, alloy, feed, plastic, paint, enamel, pigment in glass, medical treatment, health care medicine, etc.