Chemical name: Industrial anhydrous sodium sulfite Physical and chemical properties: Industrial anhydrous sodium sulfite is white crystalline powder. Easily soluble in water, the aqueous solution is alkaline, and hardly soluble in alcohol. Insoluble in liquid chlorine and ammonia. It is easy to oxidize under the action of moist air and sunlight and is a strong reducing agent. Uses: Industrial anhydrous sodium sulfite is mainly used for electroplating zinc and preparing steel phosphating agent, printing and dyeing mordant, pharmaceutical acidification catalyst, latex coagulant, dye synthetic article preservation agent, resin processing catalyst. Storage and transportation: Industrial anhydrous sodium sulfite should be stored in a ventilated and dry warehouse, and cannot be mixed with oxidants, strong acids, and harmful and toxic substances. Covers should be provided during transportation to prevent rain, moisture and sun exposure. It should be handled with care during shipment to prevent damage to the package and moisture. Packaging: Industrial anhydrous sodium sulfite is packaged in plastic woven bags lined with polyethylene plastic bags or composite plastic woven bags. The net weight of each bag is 25 kg±0.2kg, 50 kg±0.3kg. Product quality: Industrial anhydrous sodium sulfite products comply with "Industrial Anhydrous Sodium Sulfite" HG/T 2967 chemical industry standard.