Натрий сероводородный

Sodium Hydrosulfide H.S.CODE: 28301090 CAS NO.: 16721-80-5 Molecular formula: NaHS Property: Colorless needle-like crystal, easy to be deliquesced, it will decomposed and release hydrogen disulfide at its melting point, soluble in water and alcohols, its water solution is strongly alkaline, it will generate hydrogen disulfide when reacting with acids. The industrial good is solution, orange or yellow, bitter taste. Use: 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. Packing: 25kgs plastic woven bags Specification: Content(%) 72MIN 70MIN Sodium sulphide(%) 2MAX 3MAX Sodium sulphite(%) 1MAX 1.5MAX Ferrum(%) 0.003MAX 0.003MAX Sodium carbonate(%) 0.6MAX 1MAX Water insolubles(%) 0.005MAX 0.005MAX