Sodium Hydrosulfite

Alternate Text

Molecular formula： Na2S2O4

Molecular weight： 174.09

CAS No.： 7775-14-6

Property：White crystalline powder, easily soluble in water, very slightly soluble in alcohol.

Usage：

This product is strength oxidant and is used as bleaching agent for textile and papermaking industry, as synthetic for medicine-making, as absorbent for analysis chemical, and as flotation agent of nonferrous color metal for metallurgical industry.

Packing：Net in 50KG Iron Drum.

Specification：

Index

I

II

III

Sodium Hydrosulphite

90% Min

88% Min

85% Min

Water insoluble

0.1% Max

0.1% Max

0.1% Max

Sodium thiosulfate: Na2S2O3

1.3% Max

1.3% Max

1.3% Max

Sodium metabisulfite: Na2S2O5

5-7 %

5-7%

5-7%

Sodium bisulfite:NaHSO3

0.5% Max

0.5% Max

0.5% Max

Sodium carbonate: Na2CO3

0.6-2%

0.6%-2%

0.6%-2%

Sodium formate: HCOONa

0.5% Max

0.5% Max

0.5% Max

Zn

0.0001% Max

0.0001% Max

0.0001% Max

Fe

0.005% Max

0.005% Max

0.005% Max

Physical appearance

White crystalline powder

      

SHANGHAI VERDI CHEMICAL CO

Is a specialized manufacturing and operating chemical enterprise Our company own variety of export products which are widely used in chemical, pharmaceuticals, textile printing & dyeing, leather processing, fertilizer, water treatment, construction industry, food &feed additives and other areas. Oxalic acid, formic acid, sodium formate, calcium formate, sodium sulphide, series of humic acid, sodium hydrosulphide, ammonium chloride, sodium thiosulfate, and calcium nitrite are partial strong products. Among them, STPP occupy largest export volume and export to more than 20 countries and regions in America , Asia, Africa and other continents, winning customers praise with its superior quality , favorable price and excellent service. For over 10 years, stick to business philosophy of" you should give your customer what they really need not what you think they need ", Verdi has built long term & stable trade relationship with more than 45 countries and regions in the world. sincerely hope to cooperate with more clients in the world and seek common developments.