1. Molecular Formula : NaHS(NaHS.2H2O NaHS.3H2O)
2. Molecular Weight : 56
| Item |
Solid or Flake |
Liquid |
Liquid |
| Special class |
First class |
| Sodium hydrosulfide %≤ |
70.00 |
60.00 |
30% |
36% |
| Sodium sulfide %≤ |
2.00 |
5.00 |
0.70 |
0.70 |
3 . Properties: black bevel crystal,deliquescence, soluble in water or alcohol, instable, stable onlyin solution. its solution is alkali with corrosivity to skin and stomach,it becomes black liuid at about 350 ºC , specific gravity 1.23-1.36 , its solid is reddish brown.
4. Usage: it is used as semi finished articles and materials of thiamin, agro-ethyl vitriol ,thiourea
5. Packag : 200kg metal pail |
