sodium sulphide flakes

Product Description

sodium sulphide flakes Other names: Disodium sulfide CAS number: ********2 Molecular formula: Na2S Molecular Weight: *8.*3 Characteristics: Anhydrous matter of sodium sulfide (sodium sulphide) is white crystal, can be dissolved easily, relative density 1.**6 (*4 Celsius degree), melting point ***0 Celsius degree. Specification: Items General Grade Low Iron Grade Na2S *0.0%Min *0.0%Min Na2CO3 5.0%Max 2.0 %Max Water Insoluble 0.4%max 0.2%max Fe 0.*5%max **0PPM *0PPM *0PPM *0PPM Packing: In *5kg outer woven bags with inner plastic lining. Use: Sodium sulfide (sodium sulphide) used as the material of sulfur dyes, dyeing auxiliaries in textile, used in tannage or the making of sodium polysulfide, the cooking agent of papermaking, used in denitration of rayon and reducing of nitrate, the mordant of cotton textile, or used in the making of medicine and sulfide.