Anhydrous Sodium Sulfite

best price ,White crystal or powder and have smell such as SO2, it will lose some sulfur dioxide if emerged in air, and creates

Anhydrous Sodium Sulfite:

 Appearance: White crystal or powder and have smell such as SO2, it will lose some sulfur dioxide if emerged in    air, and create sulfate.

Molecular Formula: Na2SO3                                                          

Molecule Weight: 126.04

CAS No.:7757-83-7

HS Code:28231000

Density (g/cm3)	1.561
Solubility	Soluble in water, water solution is alkaline. indissolvable in ethanol
Application	Used in artificial fiber stabilizer, fabric bleach, photographic contrastextravasation, dye bleaching deoxidizer, spices and dye reductant,paper lignin removal agent

  Packaging :The product is delivered regularly in 25 kgs net plastic bags with PE inside.     

Project	Content
Aqueous reaction	Qualified
Clarity test	Qualified
Water insoluble /%	≤ 0.005
Acid sulfite (in NaHSO3 dollars) /%	Qualified
Chloride (Cl) /%	≤ 0.005
Thiosulfate (S2O3) /%	≤ 0.01
Iron (Fe) /%	≤ 0.0005
Heavy metal (Pb) /%	≤ 0.001
Arsenic (As) /%	≤ 0.0001
Free base (in NaCO3 dollars) /%	≤ 0.1

Anhydrous Sodium Sulfite