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Product Name: Sodium Hydrosulphide ( Sodium Hydrosulfide )
Molecular Formula: NaHS
CAS No.: 16721-80-5
Molocular Weight: 56.06
Purity: 70%
Model Number(Fe): 30ppm
Appearance: Yellow Flakes
Packing: In 25kg plastic woven bag
Qty Per 20 Fcl: 22mt
Application: auxiliary agent of sulfur dyes, floatation agent in copper ore, depilatory in tanning and leather ,waste water treatment, etc.
Specifications:
|
Item |
Index |
|
NaHS(%) |
70% Min |
|
Fe |
30ppm Max |
|
Na2S(%) |
3.5% Max |
|
Na2SO3(%) |
1.5% Max |
|
Na2CO3(%) |
1.0% Max |
|
Water Insoluble(%) |
0.005% Max |
Packing Details:
1).Flakes packed in 25kg/900kg plastic woven bags
2).Solid fused packed in 150kg/320kg iron drums
Function and Usage:
1).used in pulp and paper industry in the kraft process;
2).used in water treatment as an oxygen scavenger agent;
3).used in the photographic industry to protect developer solutions from oxidation;
4).used in textile industry as a bleaching,as a desulfurising and as a dechlorinating agent and in leather trade for the sulfitisation of tanning extracts;
5).used in chemical manufacturing as a sulfonation and sulfomethylation agent;
6).used in the production f rubber chemicals,sulfur dyes and other chemical compounds;
7).used in other applications including ore flotation,oil recovery,food presevative,making dyes,and detergent. of fertilizer and pesticide.