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- Details for SODIUM SULFITE
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SODIUM SULFITE
Category : Inorganic chemicals
CAS NO : 7757-83-7 EC NO : 231-821-4 MF : Na2SO3 MW : 126.04 Product description : Industrial Anhydrous sodium sulfite Molecular Formula: Na2SO3
Molecule Weight: 126.04
Appearance: white or light yellow crystalline powder
Quality standard: HG/T 2967——2000Item
Value
Top-grade
First grade
Qualified product
sodium sulfite (Na2SO3),%
≥ 97.0
≥ 96.0
≥ 93.0
Fe,%
≤ 0.003
≤ 0.005
≤ 0.02
water-Insoluble ,% water-Insoluble ,%
≤ 0.02
≤ 0.03
≤ 0.05
Free alkali(as Na2SO3),%
≤ 0.10
≤ 0.40
≤ 0.80
Sulfate(as Na2SO4),%
≤ 2.5
—
—
Chloride(as NaCl),%
≤ 0.10
—
—
Uses: used in leather and tannage, plant bleaching agent, reductant
Packing: in polythene plastic bag with a polypropylene overbag, paper-plastic composite bag, kraft bag, etc.
Net weight: 25,50,1000kilograms per bag or following your demand.
We welcome your orders for bromide products, magnesium chloride, industrial crude salt and bittern serial chemicals.
Synonyms : Sodium sulfite anhydrous;Sodium sulphite;anhydrous sodium sulfite;Sodium sulfite ,anhydrous;Sodium Sulfite (Food Grade); Molecular Structure : 
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