Product Description

English name： Sodium sulfide
Molecular formula：Na2S
Molecular weight：*8.*4
CAS NO. ********2
H.S. code:*******0
UN code:***9
Properties: Pure product is brown red flake. Because of impurities,
industrial sodium sulfide is pink, brown red or clay yellow matter。
moreover, its Sg, BP, MP are different according to impurities.
Product Description:
   Appearance                                            Reddish-Brown
  Sodium sulfide％≥                                          *0.2
  Sodium sulfite％≤                                             1
Sodium thiosulfate ％≤                                      2
           Iron ％≤                                                     0.*3
Sodium carbonate％≤                                        2.5
    Water Insoluble％≤                                         0.2
Usage：It can be used in sulfur dye, reductant of dye intermediate mordant, flotation agent of ore, depilationof leather, paper cooking agent. Moreover, it is widely used in textile, pigment and rubber industry, or used in the production of sodium thiosulfate, sodium polysulfide and sodium.