Sodium Sulphide

Molecular formula: Na2S

CAS NO. 1313-82-2

Molecular weight: 78.04

DG Class: 8

UN NO.:1849

Characteristic: sodium sulfide is also known as smelly soda and stinky base. at room temperature, the pure product is colorless or slightly purple prismatic crystal. The industrial sodium sulfide often exhibits pink, reddish brown or yellowish brown color for containing impurities.

•Specifications ( GB 10500-2009):

Fe	Na2S	Water insoluble	Na2CO3	Na2SO3	Na2S2O3	Color
15ppm max	60%min	0.05%max	2.0%max	1.0%max	2.5%max.	Yellow
20ppm max	60%min	0.05% max	2.0%max	1.0%max	2.5%max.
30ppm max	60%min	0.05% max	2.0%max	1.0%max	2.5%max.
50ppm max	60%min	0.18%max	1.8%max	2.0%max	2.5%max
80ppm max	60%min	0.20%max	2.0%max	2.0%max	2.5%max
150ppm max	60%min	0.15%max	3.5%max	2.0%max	2.0%max	Red
300ppm max	60%min	0.20%max	4.0%max	2.0%max	2.0%max	Red

•Application:

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- As mordant agent used for cotton dying.

5- In pharmacy industry making some phenacetin.

6- In electroplate industry, for hydriding galvanize

•Package:

25kg plastic woven bag with PE bag inside;

1000Kg big bag with PE bag inside.

•Storage:

Store in a cool, ventilated warehouse. Keep away from the fire, heat source. The humidity in the warehouse should be no more than 85%. It should be stored separately with oxidants and acids, and should not be mixed.

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Sodium Sulphide

Sodium Sulphide