sodium sulfite for paper use, waste water treatment, bleaching and tanning

Group Sodium sulfite
PriceUS $290-305 / metric ton
Min. Order 1 metric ton
Terms of Payment L/C, D/P, T/T
Update Time 2019-09-16
Item specifics
Mol wt:126.04
Place of Origin:Hunan, China (Mainland)
HS CODE:28321000
Brand nameRongda
Melting point500C
Water solubility23 g/100 mL (20℃)
Purity90%, 93%, 96%, 97%
Production methodsynthesis method
  • Description
  • Product review

1.Purity:90%,93% , 96%
2.CAS NO.:7757-83-7

3.MF:Na2SO3
4.Appearance: white crystal powder

5.HSCODE:  28321000

6.Molwt : 126.04

 

Item

Tech Grade

Tech Grade

Na2SO3

96%

93%

Free Alkali

0.4%

0.5%

Iron

0.005%

0.01%

Water Insoluble Matter

0.05%

0.1%

Sodium Sulfate(Na2SO4)

2.0%

1.5%

NaCl

0.5%

1%

 

 

 

 

 

7. Package

Sodium sulfite is packed in net weight 25kgplstic woven bag with plastic inner bag. or as customers' request  25tons/20'FCL.

 Application: 

Bleaching agent for paper pulps, Waste water treatment,Bleaching agent for mining industry, Colors stripper and deoxidization,Auxiliary Chemical in tanning process

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