Molecular formula:Na2S
English name:Sulfide sodium
Molecular weight :78.04
Product quality:GB10500-89
Physicochemical properties: The pure sodium sulfide is square shape for white crystal or the pellet with water absorbability, unstable in the air. Relative density is 1.856 (14 degrees Celsius), melting point is 1180 degrees Celsius. Soluble in water, slightly soluble in alcohol, unsoluble in ether.
Use:
Dye industry: Produce sulfur dye, the raw material of sulfur black and sulfur blue.
Printing industry: Dyeing agent of dissolutiing sulfur dye.
Leather industry: Make sodium polysulfide.
Papermaking: Cooking reagent.
Textile: Reduction of artificial fiber denitrating and nitration as well as dye mordant of woven cotton.
Pharmaceutical industry: Produce phenacetin.
Packing:25kg in plastic bag lined with plastic.
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