| Classification: | Sulfide |
|---|---|
| Application: | leather chemical dyeing chemical |
| Appearance: | yellow or red flake |
| Purity: | 52% 60% |
| Grade Standard: | Industrial Grade |
| Place of Origin: | China (Mainland) |
| EINECS No.: | 215-212-0 |
| CAS No.: | 1313-82-2 |
| Type: | Sodium Sulfide |
Quick Details
Specifications
Sodium Sulfide
MF:Na2S
CAS:1313-82-2
EINECS:215-212-0
HS CODE:2830101000
UN NO.:1849
Dangerous good class:8
Appearance: yellow/red flake or solid.
Melting point:950 °C
Usage:
In dyestuff industry: it is used to make sulphide dye, as raw material of cure lividity and cure blue.
In dye printing industry: it is used as dye agent in solving thion dye
In leather industry: it is used in hydrolytic decomposition to make raw hide depilated
In paper industry: it is used as digest agent
In textile industry: it is used to reduce nitrified objects and man-made fibre, used as mordant in dyeing cotton fabric
In mining industry,As ore flotation agent in the ferrous metallurgy industry
| Item | Grade one | Grade two |
| Colour | yellow | red |
| Na2S%min | 52/60 | 52/60 |
| Na2CO3%max | 1.80 | 5.00 |
| Na2SO3%max | 1.80 | 2.00 |
| Na2S2O3%max | 2.00 | 2.00 |
| Water Insolubles % max | 0.18 | 0.40 |
| Fe max | 10-150PPM | 30-1500PPM |