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Mining Chemicals

CAS NO: 16721-80-5
Molecular formula:NaHS
Molecular weight: 56.06
Synonyms: sodium hydrogen sulphide, sodium hydrogen sulfide, sodium sulfhydrate, sodium bisulphide

Characteristic: Yellow flake, easily being deliquescent, slight rotten egg smell. Soluble in water and alcohol, water solution with strong alkaline.React with acids and liberate hydrogen sulfide.

Specification :
Item Standard
Assay 70%min
Na2S 3%max
Na2CO3 4.5%max
Iron(as Fe) 30ppm max
Heavy metal(as Pb) 0.02%max

Package:  25kg net in PP bags with PE liner, or 900kg net in ton bag

1) Keep only in closed, properly labeled containers
2) Do not store in zinc, aluminum, or copper containers
3) Store in cool, dry, ventilated area to prevent it from being deliquescent
4) Separated from acids, acidic materials, oxidizing agents

Used in the synthesis of organic intermediates and in the preparation of auxiliary agent of sulfur dyes; in the waste water treatment; it is the raw material to produce ammonium sulphate and ethanethiol(semi-finished products); used in the copper ore beneficiation, also in the sulfurous acid dyeing of manmade fibres.



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