| Sodium Hydrosulphide ( Sodium Hydrosulfide ) |
| English name |
Sodium Hydrosulphide ( Sodium Hydrosulfide ) |
| Molecular formula |
NaHS |
| Molecular weight |
56.06 |
| CAS.NO |
16721-80-5 |
| Packing |
In 25kg plastic woven bag |
| Physicochemical properties |
Purity: 70% Model Number(Fe): 30ppm Appearance: Yellow Flakes Qty Per 20 Fcl: 22mt |
| Uses |
auxiliary agent of sulfur dyes, floatation agent in copper ore, depilatory in tanning and leather ,waste water treatment, etc |
| Features |
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.
|
| Quality index |
| 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 |
|
