Sodium Sulphite
Sodium sulphite is a white, crystalline powder or granular solid with a sulfurous odor. It is soluble in water and has a pH around 9-10 in a 10% solution. Sodium sulphite is hygroscopic, meaning it can absorb moisture from the air.
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HS Code
28321000
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CAS No
7757-83-7
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Chemical Formula
Na2SO3
APPLICATION & USAGE
- Water Treatment: Sodium sulphite is used in water treatment processes to remove excess chlorine, chloramine, and dissolved oxygen. It acts as a reducing agent in dechlorination and deoxygenation reactions.
- Textile Industry: Sodium sulphite is utilized as a reducing agent in textile dyeing and printing processes.
- Pulp and Paper Industry: It is used in the pulp and paper industry as a bleaching agent and to prevent the formation of lignin during the pulping process.
- Food Industry: Sodium sulphite is used as a food preservative to prevent oxidation and to maintain the color of certain foods and beverages.
- Chemical Manufacturing: It serves as a reagent in various chemical synthesis processes, such as the production of sodium thiosulfate and sodium metabisulphite.
SIMILAR NAME
- Disodium sulphite
PACKING
Available packing types