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NAHS

Qingdao Weibao Chemical Co., Ltd

WB-WEIBAO is the supplier of industrial chemistry and equipment as long as a provider of logistics services.According to direct contacts with manufacturers

Supply (ton):

Place of Origin：CHINA

Transport：By sea

Delivery time：1 to 3 working days

  • Description
  • Product data

NAHS

NaHS is colorless needle-like crystals. Easy to deliquesce. At the melting point, hydrogen sulfide is liberated. Easily soluble in water and alcohol. The aqueous solution is strongly alkaline. It reacts with acid to generate hydrogen sulfide. Bitter taste. The dye industry is used to synthesize organic intermediates and the auxiliary agent for the preparation of sulfur dyes, and the leather industry is used for the dehairing and tanning of hides.


Specification

Item

Standards           

Result

NaHS (%)

70.0Min

70.8

Na2S (%)

0.5Max

0.5

Na2SO3 (%)

1.5Max

1.03

Fe (%)

0.003Max

0.0029

NaCO3 (%)

1.0Max

1.0

Matter insoluble in water (%)

0.005Max

0.005


Application

1. Dyestuff industry is used to synthesize organic intermediates and auxiliary agents for the preparation of sulfur dyes. 

2. In the tanning industry, it is used for dehairing and tanning of hides, and also for wastewater treatment. 

3. In the chemical fertilizer industry, it is used to remove the monomer sulfur in the activated carbon desulfurizer. 

4. It is the raw material for the manufacture of semi-finished products of ammonium sulfide and pesticide ethyl mercaptan. 

5. The mining industry is widely used in copper ore beneficiation. 6. Used in sulfurous acid dyeing in man-made fiber production.