Papua New Guinea Sodium sulfite anhydrous

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.

Product Description

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.