Sodium sulfhydrate
Specification of sodium hydrosulfide(nahs)min 70% flake:
Item Content
Nahs%min 72
Na2s% max 2.5
Na2so3% max 1.5
Fe max ppm 20
Na2co3% max 1
Insolubles in water% max0.005
25kg bag or
1000kg bag
Sodium hydrosulfide cas no :16721-80-5 molecular formula : nahs molecular weight : 56.06 Output/mon:5000mt predominance: less impurity and higher content of nahs Item Specification Solid basis Liquid basis Nahs·+% fª 75 70 40 35 Na2s·+% f_ 2 3 1 1.5 Na2so3·+% f_ 1 1.5 - - Fe·+% f_ 0.003 0.003 - - Na2co3·+% f_ 0.6 1 - - Insolubles in water·+% f_ 0.005 0.005 - - Synonyms: sodium hydrogen sulphide, sodium hydrogen sulfide, sodium sulfhydrate, sodium bisulphide. Properties:white needle system crystal, easily being deliquescent, soluble in water and alcohol, water solution with strong alkaline. Reacted with acids and liberates hydrogen sulfide. Industrial grade is generally in solution form with pale yellow color, slight rotten egg smell. Packing: 25kgs net in pp bags with pe liner, or 900kg bag with salver. Storage: keep only in closed, properly labeled containers. Do nor store in zinc, aluminum, or copper containers. Store in cool, dry, ventilated area to prevent it from being deliquescent. Separated from acids, acidic materials, oxidizing agents Packing: net 25kg woven bags