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Help CenterISO Certificate Factory Price of Sodium Hydrosulfite 85%,88%,90%
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ISO certificate factory price of sodium hydrosulfite 85%,88%,90%
Purity:85%/88%/90%
MF: Na2S2O4
Hazardous Classification:4.2
UN No.:1384
HS Code:28311000
Description of sodium hydrosulfite price:
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 price:
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 price:
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 price:
Sodium hydrosulfite is packed in 50kg iron drums,21MT/20'FCL,or according to your request.
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