English Name: Sodium Sulfide Nonahydrate
CAS No.: 1313-84-4
Molecular formula: H2Na2OS
Molecular weight: 96.06
EINECS No.: 639-249-0
Chemical properties: anhydrous substance is white crystal and easy to deliquesce. Industrial products are often pink, brownish red and earthy yellow due to impurities. Soluble in water. Slightly soluble in alcohol, insoluble in ether. The aqueous solution is strongly alkaline. Dissolve in sulfur to form sodium polysulfide.
Uses: used for making dyes and sulfides, and as ore flotation agent, rawhide depilant, paper cooking agent, etc. Titrimetric analysis of cadmium. Mineral flotation. Analyze the hardness of water in nitrogen fertilizer production. Analyze the copper solution of ammonia. Analyze the copper ammonia solution of ammonium bicarbonate. Metal purification. Galvanizing, cadmium, etc. Analytical reagent, chromatogram analysis, photography, mineral flotation, metal treatment, vulcanizing agent, galvanizing and cadmium.