Common name: Sodium sulphide
H. S. CODE: 28301010
U. N NO: 1849
CAS No.: 1313-82-2
Molecular formula: Na2S

Properties: Red flake, easy to dissolve in water.

Specification:

Na2S: 60% min
Na2CO3: 5.0% max
Na2SO3: 4.0% max
Fe: 1500ppm max
Water insoluble: 0.4% max

Uses: Used as making sulphur dyestuff intermediate reducer, mordant, flotation agent, depilatory for leather, digestion auxiliary in paper-making also widely used in pigment and rubber industry, etc.