sodium sulfide

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sodium sulfide
Posting date : May 08, 2010
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28-
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Formula: Na2S CAS No: 1313-82-2 H. S code: 2830101000 Melocular weight: 78.04 Type: Purity 60% Appearance: colorless or beige crystal grain, industrial products, red-brown or brick-red block. Properties: The Anhydrous is white crystal and has strong deliquescence; It is easily soluble in the water and is slightly soluble in the ethanol while not in the ether; It is widely used for producing dye and sulfide and for ore flotation agent, health paper shed agent and cooking on paper. Application: Used as making sulphur dyes or dyestuff intermediate reducer, mordant, flotation agent, depilatory for leather, digestion auxiliary in paper-making. Also widely in pigment and rubber industry, etc. Specification of Sodium Sulphde yellow flake 1 Na2S(%) 60.0Min 2 Na2CO3(%) 2.0Max 3 Water Insoluble(%) 0.2Max 4 Fe(%) 0.003Max Specification of sodium sulphide red flake Appearance Reddish-Brown Sodium sulfide%(min) 60.2 Sodium sulfite%(max) 1.0 Sodium thiosulphate%(max) 2.0 Iron%(max) 0.03 Sodium carbonate%(max) 2.5 Water Insoluble%(max) 0.20

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