SODIUM HYDROSULPHIDE 70%MIN

PRODUCT TYPE:

Leather Series

CAS NUMBER:

16721-80-5

IMO CLASSIFICATION:

UN NO.: 2949 CLASS: 8 P.G.: II

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SODIUM HYDROSULPHIDE 70%MIN:

Molecular Formula: NAHS

Molecular Weight: 56.06

Product Quality: GB23937-2009

CAS NO.: 16721-80-5

HS CODE: 28301020

UN NO.: 2949 CLASS: 8 P.G.: II


The Characteristic:

Yellow and low Iron flakes, strong absorb humidity, easy to dissolve, and the water liquor is alkaline, so it is called sulfide alkali


 

SPECIFICATIONS:

 

STANDARDS:

APPEARANCE

YELLOW FLAKES

 

MAIN CONTENT:

 

≥70.0%

 

WATER INSOLUBLE:

 

≤0.005%

 

FE:

 

≤0.003%

 

NA2S:

 

≤0.50%

 

NA2SO3

 

≤1.50%


In the dye industry it can be used to make sulfide dye, such as sulfide green, blue or dye intermediate, reducer, mordant, depilatory in the leather-making industry used for the peltry and braise & cook-medicament in the paper making industry used for paper, and also uses in fabric, paint, rubber and so on industries.



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