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Factory Supply Sodium Hydrosulphite Used in Making Paper /Textile/ Leather

China Factory Supply Sodium Hydrosulphite Used in Making Paper /Textile/ Leather, Find details about China Uses of Sodium Hydrosulphite, Sodium Hydrosulphite Price from Factory Supply Sodium Hydrosulphite Used in Making Paper /Textile/ Leather

Model NO.
85% 88% 905
Kind
Bleacher
Appearance
Powder
Application
Textile Printing Auxiliary, Dying Auxiliary
Product Name
Sodium Hyposulfite
Other Name 1
Sodium Hydrosulphite
Other Name 2
Sodium Dithionite
Formula Weight
174.11
Grade
Industrial Grade and Food Grade
Usage
Textile or Leather
Un No.
1384 
Dangerous Class
4.2
Form
Free-Flowing White Crystalline Powder
Odor
Odorless or with a Slight Odor of Sulfur Dioxide
Na2s2o4
90% Min
Iron (Fe)
20ppm Max
Zinc (Zn)
1ppm Max
Other Heavy Metal( as Pb)
1ppm Max
Water Insolubles
0.05% Max
Trademark
Kelai
Transport Package
50kg Iron Drum
Specification
85% 88% 90%
Origin
China
HS Code
283110
Model NO.
85% 88% 905
Kind
Bleacher
Appearance
Powder
Application
Textile Printing Auxiliary, Dying Auxiliary
Product Name
Sodium Hyposulfite
Other Name 1
Sodium Hydrosulphite
Other Name 2
Sodium Dithionite
Formula Weight
174.11
Grade
Industrial Grade and Food Grade
Usage
Textile or Leather
Un No.
1384 
Dangerous Class
4.2
Form
Free-Flowing White Crystalline Powder
Odor
Odorless or with a Slight Odor of Sulfur Dioxide
Na2s2o4
90% Min
Iron (Fe)
20ppm Max
Zinc (Zn)
1ppm Max
Other Heavy Metal( as Pb)
1ppm Max
Water Insolubles
0.05% Max
Trademark
Kelai
Transport Package
50kg Iron Drum
Specification
85% 88% 90%
Origin
China
HS Code
283110
Factory Supply Sodium Hydrosulphite Used in Making Paper /Textile/ Leather
Factory Supply Sodium Hydrosulphite Used in Making Paper /Textile/ Leather
1. Product details

Sodium Hydrosulfite

Other name: Sodium Hydrosulphite, Sodium Dithionite,SHS

Chemical Formula:Na2S2O4

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
Factory Supply Sodium Hydrosulphite Used in Making Paper /Textile/ Leather

2.Simple introduction
The powder is a white sand crystal or light yellow powder. The infusible powder is insoluble in ethanol, soluble in sodium hydroxide solution, reacts violently with water and burns.
The aqueous solution of the insurance powder is unstable in nature and has a strong reducing property, belonging to a strong reducing agent. It is easily exposed to oxygen in the air and oxidizes. At the same time, it easily absorbs moisture and degenerates, and it can seize oxygen in the air and give off a pungent sour taste.
Factory Supply Sodium Hydrosulphite Used in Making Paper /Textile/ Leather

3.Specifications

IndexTechnical GradeFood Additive
Na2S2O4≥ 90%≥ 88%≥ 85%≥ 88%
Iron (Fe)≤20ppm≤ 20ppm≤ 20ppm≤ 20ppm
Zinc (Zn)≤ 1ppm≤ 1ppm≤ 1ppm≤ 1ppm
solution appearanceclearclearclearclear
EDTA///qualified
Arsenic(As)///≤ 1ppm
Other heavy metal( As Pb)≤ 1ppm≤ 1ppm≤ 1ppm≤ 1ppm
Formate (As HCHO)///≤ 0.05%
water insolubles≤ 0.05%≤ 0.05%≤ 0.05%/
Cadmium (Cd)///≤ 2ppm
Plumbum (Pb)///≤ 5ppm

Factory Supply Sodium Hydrosulphite Used in Making Paper /Textile/ Leather
Factory Supply Sodium Hydrosulphite Used in Making Paper /Textile/ Leather
Factory Supply Sodium Hydrosulphite Used in Making Paper /Textile/ Leather
4.Applications

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

 b.Used as bleaching agent in paper industry.

 c.Used as bleaching agent,antiseptic agent and antioxidant agent in food industry.

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

 e.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.

 f.Used as reducing agent in printing and dyeing industry.

Factory Supply Sodium Hydrosulphite Used in Making Paper /Textile/ Leather
Factory Supply Sodium Hydrosulphite Used in Making Paper /Textile/ Leather

5.Package & Loading

(1) Packing: 50kg net / Drum.

(2) Loading quantity :21MT/20'container.
 

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