Basic Info.

Model NO.: industry grade

Type:Sodium Sulfide

Appearance: White or Slightly Yellowish

Grade Standard:Industrial Grade

Package:25kg/Bag or 50kg/Bag

Specification:99.5%

Trademark:Bochuang

Origin:Weifang，China
CAS NO. 7631-90-5 

Einecs No.: 231-673-0
Molecular Formula: NaHSO3
Molecular weight: 104.07

Characteristic: clear monoclinic crystal or white crystalline powder; sulfa dioxide odor; specific density: 1.48; dissociate upon heating; water soluble; acidic aqueous solution; slightly soluble in alcohol; readily oxidized into sodium sulfate in air; strongly reductive; form adduct with formaldehyde;

storage: tightly sealed and avoid light.

Package: 25/50kg bag lined with PVC bag  
Application:
in photographic developer, preservative for food, electrobath for electroplating of copper; for bleaching of organic products, chemical synthesis etc.; as reductant ; in pesticide etc.