sodium pyrosulfite 64%

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sodium pyrosulfite 64% CAS No.:7681-57-4 Content:64% Formula:Na2S2O5 Molecular weight:190.09 Chemical properties: sodium metabisulphite white or yellow crystalline powder or small crystallization, with strong smell, a proportion of so2, soluble in water, 1.4 become acidic aqueous solution, and acid contact is released and the generated corresponding salts so2, long, the oxidation air therein, so the product into na2s2o4 cannot far. Higher than 1500c, namely decomposition out so2. USES: used for printing and dyeing, industrial organic synthesis, printing, the leather making, pharmaceutical and other departments; In food processing of preservative, bleaching agent, loose agent.

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Dalian Huasheng Chemicals Co.,Ltd

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