Product Name: metabisulfite sodium
CAS 7681-57-4 bleech agent 96.5% sodium metabisulfite
Product Description
metabisulfite sodium
[Molecular weight]:190.09
[Physical Character]:White or yellowish crystalline powder.Relative density 1.4, soluble in water (20 ℃ for 54 g / 100 ml of water;At 100 ℃ for 81.7 g / 100 ml water) acidic aqueous solution, soluble in glycerin, slightly soluble in alcohol.Easy decomposition of be affected with damp be affected with damp, dew easy oxidation air into sodium sulfate and contact with strong acid release sulfur dioxide and generate the corresponding salts, heated to 150 ℃.
索引名称 | 规格 | |
| 标准 | 结果 | |
主要含量（Na2S2O5）％≥ | 96.5 | 97.8 |
铁（Fe）％≤ | 0.005 | 0.0016 |
重金属（Pb）％≤ | 0.002 | 0.0002 |
As（As）％≤ | 0.0002 | 0.0001 |
明晰 | 明确 | 已通过 |
Product Uses
The pharmaceutical industry is used to produce chloroform, phenylsulfone and benzaldehyde.The rubber industry is used as a coagulant.The printing and dyeing industry is used as the dechlorination agent for cotton bleaching, and cotton as the auxiliary agent;Leather processing is used for leather processing, which can make leather soft, plump and tough. It has the properties of waterproof, anti-folding and wear-resisting.Chemical industry is used to produce hydroxyl vanillin, hydroxylamine hydrochloride, etc.Photosensitive industry used as a developer;The food industry is used for bleaching agents, preservatives, loose agents, antioxidants, colorants and preservatives.
Product packaging
we packed CAS 7681-57-4 bleech agent 96.5% sodium metabisulfite in 25Kgs/Plastic woven bags;1000kgs/Bag
Exporting package can be customized as reqiurements .
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Zhuzhou Sante Environmental Protection and Energy Saving CO.,LTD is an environmental protection enterprises has its own patented technology. Adopting independent patent technology, in the field of non-ferrous metal smelting and chemical industry, we use flue gas desulfurization technology, industrial waste water (waste acid) treatment technology, waste solid and waste residue comprehensive treatment technology to recover valuable metals and resources from waste and recycle them, to achieve the effect of zero emission, thus producing high-quality Zinc Oxide, Zinc Sulphur, Barium Sulfate, Anhydrous Sodium Sulfate, Sodium Pyrosulfite , Sodium Thiosulfate Pentahydrate and etc.
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