Sodium sulfite
Product introduction: Sodium sulfite (Na2SO3) is a white crystal or powder that is easily soluble in water. The aqueous solution is weakly alkaline and slightly soluble in alcohols; It is easily weathered and oxidized to sodium sulfate in the air, and has strong reducibility.
Inquiry NowProduct introduction: Sodium sulfite (Na2SO3) is a white crystal or powder that is easily soluble in water. The aqueous solution is weakly alkaline and slightly soluble in alcohols; It is easily weathered and oxidized to sodium sulfate in the air, and has strong reducibility.
Main indicators: 1. Sodium sulfite content: ≥ 97.0% 2. Iron (Fe): ≤ 0.003% 3. Water insoluble matter: ≤ 0.03% 4. Free base (calculated as Na2CO3): ≤ 0.10%
Usage: Mainly used as a reducing agent, preservative, developer, and deoxidizer; Widely used in papermaking, textile printing and dyeing, leather tanning, photography, water treatment (dechlorination and deoxygenation), and pharmaceutical industry; It is also used to prepare sodium thiosulfate and other sulfites.
Packaging: Sealed in woven bags lined with plastic bags, with a net weight of 25kg per bag. Specifications: 25kg per bag, and ton bags (1000kg) can also be provided according to customer needs.
Storage and safety instructions: Store in a cool, dry, ventilated warehouse, away from fire and heat sources, and isolate from oxidants and acids; The packaging must be sealed to prevent moisture absorption and oxidation deterioration. When handling, handle with care. Operators should wear dust masks and goggles to avoid inhaling dust. This product releases toxic sulfur dioxide gas during thermal decomposition, and should be avoided in high-temperature environments.
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