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ISO certificate highest quality sodium hydrosulfite
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Product Details
| CAS No. | 7775-14-6 | Other Names | sodium hydrosulfite | |
| MF | Na2S2O4 | EINECS No. | 234-394-2 | |
| Purity | 85%/88%/90% | Place of Origin | Henan, China | |
| Type | Other, sodium hydrosulfite | Usage | Leather Auxiliary Agents, Paper Chemicals, Textile Auxiliary Agents | |
| Brand Name | MHC | Model Number | sodium hydrosulfite |
Product Description
ISO certificate highest quality sodium hydrosulfite
Purity:85%/88%/90%
MF: Na2S2O4
Hazardous Classification:4.2
UN No.:1384
HS Code:28311000
Description of sodium hydrosulfite:
Sodium hydrosulfite is a kind of white sand crystallization or light yellow powder chemicals, melting point 300 ℃ (decomposition), ignition temperature 250 ℃, insoluble in ethanol, soluble in sodium hydroxide solution,and will burn a strong reaction when meeting with water.
Specification of sodium hydrosulfite:
Index | Specification | ||
Na2S2O4 | 85% | 88% | 90% |
Iron(Fe) | ≤20ppm | ≤20ppm | ≤20ppm |
Zinc(Zn) | ≤1ppm | ≤1ppm | ≤1ppm |
Solution appearance | clear | clear | clear |
EDTA | / | / | / |
Arsenic(AS) | / | / | / |
Other heavy metal(As Pb) | / | / | / |
Formate | / | / | / |
Water insoluble | ≤0.05% | ≤0.05% | ≤0.05% |
Application of sodium hydrosulfite:
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
Packing of sodium hydrosulfite:
Sodium hydrosulfite is packed in 50kg iron drums,21MT/20'FCL,or according to your request.
Contact Us
- Zhengzhou Mahaco Commercial Co., Ltd.
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- AddressNo. 2 7 ,New East Industrial Zone,Zhengzhou, Zhengzhou, Henan
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