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Molecular formula : MW : CAS :
nature : NH4HSO3 tan liquid. Some of sulfur dioxide gas. Density (50% solution) 1.3. With acid, alkali role. Air susceptible to oxidation. Heating decomposition and emit sulfur dioxide. The system can be used liquid sulfur dioxide, insurance powder, the holiday, which for the pharmaceutical agent. By ammonia absorption acid generated from exhaust.
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