Sodium sulfide
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
|
4. Outer packing:
25kgs/bag or 150kgs/drum
5. Quality control
Rigid quality control on inputs, process and outputs lead to high purity and consistent quality that permit standardization of its use in industry.
6. Handling and Storage
Keep in a tightly closed container, stored in a cool, dry, ventilated area. Protect against physical damage. Isolate from incompatible substances. Containers of this material may be hazardous when empty since they retain product residues (dust, solids); observe all warnings and precautions listed for the product.