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Sodium sulfite anhydrous

Sodium sulfite anhydrous

Product Name: Sodium sulfite anhydrous Food/tech grade
CAS NO: 7577-83-7
Molecular Formula: Na2S2O3
H.S code: 283210 0000
Specifications:

Items tested Standard Analytical result
Purity (AS Na2SO3) % ≥: 97 97.63
Water insoluble % ≤:  0.03 0.013
Iron (Fe)% ≤: 0.01 0.0001
Free alkali  (Na2CO3) % ≤: 0.6 0.038
Sodium sulfate(Na2SO4) % ≤: 0.1 0.08
Chloride(AS NaCl) %≤: 0.1 0.08

Appearance: white or yellowish crystal.
Packing: 25kg plastic woven bag, 50kg/500kg/1000kg flexible freight bag, or upon clients' demand.
Use: It used in printing and dyeing industry as deoxidizer and bleaching agent; The photosensitive industry is used as developer, and the organic industry is used as reducing agent. Textile industry is used as artificial fiber and stabilizer; It can also be used in papermaking, electronics, water treatment and other industries.





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