Sodium Sulphide

Low Iron Sudium Sulphide

Name: Low Iron Sudium Sulphide

Molecular formula:Na2S

Molecular weight:78.04

CAS NO. :1313-82-2

H.S. code:28301010

UN code:1849

Chinese standard:GB/

Specification:

150ppm:Na2S≥=60%

                 Water insoluble≤ 0.20%

                 Na2CO3≤ 2.0%

                 Fe≤0.015%

80ppm/50ppm:Na2S≥60%

                          Water insoluble≤ 0.20%

                          Na2CO3≤ 2.0%

                          Fe≤0.008%/0.005%

30ppm/20ppm:Na2S＝≤60%

                          Water insoluble≤ 0.20%

                          Na2CO3≤ 2.0%

                          Fe≤0.003%/0.002%

15ppm/10ppm:Na2S≥60%

                          Water insoluble≤ 0.03%

                          Na2CO3≤ 1.8%

                          Fe＝0.0015%/0.0010%

5ppm:Na2S≥60%

             Water insoluble≤ 0.02%

             Na2CO3≤ 1.7%

             Fe≤0.0005%

Packing:25Kg plastic bag lined woven bag (Flaky)

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.

Uses: It can be used in sulfur dye, reductant of dye intermediate, mordant, flotation agent of ore, depilation agent of 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 hydrosulphide.