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Sodium Sulfite

Sodium Sulfite

Product Name: Sodium sulfite
Synonyms: Sodium sulfite anhydrous; Sodium sulphite; anhydrous sodium sulfite; Sodium sulfite ,anhydrous
APPEARANCE: WHITE CRYTAL POWDER
CAS RN.: 7757-83-7
EINECS: 231-821-4
Molecular Weight: 126.04
Molecular Formula: Na2SO3
Density: 2.633
Water Solubility: 23 g/100 mL (20℃)
Price :

Description

Specification:

ITEM SPECIFICATION
PURITY(AS Na2S2O3): 98.%MIN
IRON(Fe): 0.003%MAX
WATER INSOLUBLE: 0.02%MAX
FREE ALKALI(Na2CO3 0.1%MAX
SODIUM SULFATE(Na2SO4 2.5%MAX
CHLORIDE(Nacl) 0.1MAX

Grade: Industrial grade, Food grade

Usage: The role of anhydrous sodium sulfite is extensive. In the pharmaceutical industry, paper making, leather tanning and dyeing industries and plant fiber bleaching, food, etc it has a very important role.ln addition anhydrous sodium sulfite is also used in film developing, bleaching agents, printing and dyeing industry as a deoxygenation agent.

Packing: 25KG/BAG, 50KG/BAG, 500KG/BAG, 1000KG/BAG

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