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Xuzhou First Chemical Co., Ltd.

Sodium Sulfite, Sodium Sulphite, Sodium Sulfite 98% manufacturer / supplier in China, offering Sodium Sulfite, Sodium Sulphite, Compound Fertilizer 64% Diammonium Phosphate DAP18-46-0, DAP, NPK, and so on.

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Supplier Homepage Product Sulfate Sodium Sulfite, Sodium Sulphite

Sodium Sulfite, Sodium Sulphite

FOB Price: Get Latest Price
Min. Order: 25 Tons
Production Capacity: 5000 Metric Ton/Metric Tons Per Month
Transport Package: 25kg/Bag or as Your Requirements
Payment Terms: L/C, T/T
Basic Info
  • Type: Sodium Sulfite
  • CAS:7757-83-7: Density:2.63
  • Origin: Jiangsu, China
  • Grade Standard: Industrial Grade
  • Trademark: China
Product Description
Quick Details

Classification: Sulphate
Type: Sodium Sulfite
CAS No.: 7757-83-7
EINECS No.: 231-821-4
MF: Na2SO3
Purity: 98%
Appearance: White crystalline or powder form
Application: Dyeing industry printing paper marking electronic and water treatment.
PH: 9-9.5
Density: 2.633
Refractive Index: 1.565
Molecular Weight: 126.04

Packing & Delivery
Packing: 25kg/bag or as your requirement
Delivery: Within 15 days after confirming the order.

Sodium sulfite
It is widely used in Medicine industry, Rubber industry, Leather industry, Chemical industry ect.
It is widely used in Medicine industry, Rubber industry, Leather industry, Chemical industry ect.
The following is details information about our sodium sulfite:
1. Appearance: Sodium metabisulphite grade one is white crystal powder.
2. The Spec as follow:
Main content(Na2S2O5), % >= 95%
Content of iron(Fe), % <= 0.005%
Turbid Content of heavy metal(in pb), % <= 0.001%
Content of arsenic(As) % <= 0.0002%
Complied with Chinese Quality standard of GB1893-1998
ItemQuality Index
 Industry GradeFood Grade
Purity ( As Na2SO3)96.0% min98.0% min
Sodium sulphate ( SO4)2.0% max1.0% max
Chlorides ( As NaCL)0.5% max0.1% max
Arsenic ( As )-0.0002% max
Heavy metals ( As Pb )-0.0005% max
Iron (Fe)0.005% max0.002% max
Water insolubles0.05% max0.02% max    
ItemValue 
 Top-gradeFirst grade
sodium sulfite(Na2SO3)%≥9897
Fe,%≤0.0030.003
water-Insoluble%≤0.010.02
Free alkali(as Na2CO3),%≤0.0010.1
Sulfate(as Na2SO4),%≤1.22.5
Chloride(as NaCl),%≤0.0030.1    
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