Sodium Hydrosulfite

Sodium Hydrosulfite
Other Name: Sodium Hydrosulphite , SHS
Chemical Formula: Na2S2O4 
CAS No.:7775-14-6 
UN No.:1384 
Dangerous Class: 4.2         
HS Code:28311000
Annual output:100,000 MT

Details



Sodium Hydrosulfite

Other name: Sodium Hydrosulphite , SHS

Chemical FormulaNa2S2O4

CAS No.:7775-14-6

EINECS: 231-890-0

UN No.:1384

Dangerous Class: 4.2        

HS Code:28311000

Appearance: Free-flowing white crystalline powder

Odor: Odorless or with a slight odor of sulfur dioxide

Application:

1,Widely used in printing and dyeing industry, such as cotton fabrics dyeing auxiliary, silk fabric bleaching.

2,Used as bleaching agent in paper industry

3,Used as bleaching agent, antiseptic agent and antioxidant agent in food industry

4,Used as bleaching agent for soap, oil esters, pulp in light industry

5,Used for producing rongalite, sodium thiosulfate, thiourea, sulfur, benzoic acid, six O(medical),synthetic dyes, also used copperplate printing, analytical reagent in the chemical industry, etc.

6,Used as reducing agent in printing and dyeing industry

 

Product specifications

INDEX

90%

88%

85%

74%

Na2S2O4

90%

88%

85%

74%

Fe

20ppm

20ppm

20ppm

30ppm

Zinc(Zn)

1ppm

1ppm

1ppm

1ppm

Other heavy metal (as Pb)

1ppm

1ppm

1ppm

1ppm

Water Insolubles

0.05%

0.05%

0.05%

0.05%

Shelf Life(month)

12

12

12

12










Package: Packed in 50kg iron drum with double inner plastic bags. Quantity/20'FCL: 21MT (420 Drums).


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