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Sodium metabisulphite Na2S2O5 powder
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Product Details
| CAS No. | 7681-57-4 | Other Names | Sodium pyrosulphite | |
| MF | Na2S2O5 | EINECS No. | 231-673-0 | |
| Place of Origin | Henan, China | Grade Standard | Food Grade, Industrial Grade | |
| Purity | 97% | Appearance | white crystalline powder | |
| Application | textile, dyeing, paper pulp,water treatment | Brand Name | MAHACO | |
| Model Number | sodium metabisulphite |
Product Description
Sodium metabisulphite Na2S2O5 powder
MF:Na2S2O5
MW:190.09
CAS NO.:7681-57-4
EINECS NO.:231-673-0
Density:1.48 g/cm3
PH:4.0-4.6
Name: | Sodium metabisulphite Na2S2O5 powder |
Appearance: | White crystalline Powder |
Specification: | Industrial grade 1) Purity (calculated with Na2S2O5): 97% 2) Iron (Fe): 0.005% 3) SO2: 65% 4) PH value: 4.0-4.6 5)Water insoluble matter: 0.05%
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Foodstuff grade 1) Purity (calculated with Na2S2O5): 97% 2) Iron (Fe): 0.0005% 3) Arsenic (As): 0.0002% 4) pH value: 4.0-4.6 5) Water insoluble matter: 0.05% 6) Heavy metal (Cal. in Pb): 0.002%
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Package: | Sodium metabisulphite is packed in 25kg/bags or according to your request. |
Usage: | 1.Dye printing mordant. 2.Textile antichlor after being bleached.
3.Reducing agent and sulfonating agent for chemical and medical use. 4.Bamboo, wood, paper fiber bleaching agent, non-ferrous metal ore dressing agent, waste water treating , rubber freezing agent.
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