1.Properties
Product name: sodium sulfide
CAS No.:1313-82-2
Molecular Weight:78.04
Molecular Weight:78.04
Molecular Formula: Na2S
Appearance: red and yellow, flakes and solid
2. Applications
1). as reducing agent or mordant agent in making sulphur dyes.
2). as flotation agent in non-ferrous metallurgical industry.
3). In tanner industry.
4). Used as mordant agent for cotton dying.
5). In pharmacy industry making some phenacetin.
6).In electroplate industry, for hydriding galvanize
3.Specifications:
|
Fe
|
Na2S
|
Water insoluble
|
Na2CO3
|
Na2SO3
|
Na2S2O3
|
color
|
|
15ppm Max
|
60%min.
|
0.05%max
|
1.80%max
|
1.80%Max
|
2.00%max.
|
Yellow
|
|
20ppm Max
|
60%min.
|
0.10% max
|
1.80%max
|
1.80%Max
|
2.00%max.
|
|
|
30ppm Max
|
60%min.
|
0.18%max
|
1.80%max
|
1.80%max
|
2.00%max.
|
|
|
50ppm Max
|
60%min
|
0.18%max
|
1.80%max
|
2.00%max
|
2.00%max
|
|
|
80ppm Max
|
60%min
|
0.20%max
|
2.00%max
|
2.00%max
|
2.00%max
|
|
|
150ppm Max
|
60%min
|
0.30%max
|
3.00%max
|
2.00%max
|
2.00%max
|
|
|
1500ppm Max
|
60%min
|
0.40%max
|
5.00%max
|
2.00%max
|
2.00%max
|
Red
|