products

Industrial Na2SO3 7757-83-7 Anhydrous Sodium Sulfite

Basic Information
Place of Origin: Chinia
Brand Name: Hengchang
Certification: ISO
Model Number: SM
Minimum Order Quantity: 5 ton
Price: Negotiation
Packaging Details: 25kgs/bag,500kgs/bag,1000kgs/bag
Delivery Time: 10-15 days after your deposit.
Payment Terms: L/C, T/T, Western Union, MoneyGram
Detail Information
Application: Dyeing And Printing Industry Etc. MF: Na2O3S
CAS: 7757-83-7 Other Name: Sodium Sulphite
Solubility: Soluble In Water,Insoluble In Ethanol, Etc Grade Standard: Industrial And Food And Pharmaceutical Grade
High Light:

7757-83-7

,

Na2SO3 Anhydrous Sodium Sulfite

,

Industrial Anhydrous Sodium Sulphite


Product Description

Industrial Grade Anhydrous Sodium Sulfite CAS 7757-83-7, Pharmaceutical Grade Anhydrous Sodium Sulphite
Other English Name:
anhydrous sodium sulphite;Natrii sulphis;Sodium sulphite;Sodium sulfite anhydrous;disodium,sulfite;Sulftech;SODIUM SULFITE;Sulfurous acid,disodium salt;Sodium sulfite solution;Disodium sulfite;Natrium sulfurosum;sodium sulphite powder
Property: white gravel or powder crystal,relative density is 1.561, less to dissolve in water and its water solution has alkaline reaction; it is hard to dissolve in ethanol. It is used to produce chloroform,solasulfone and Benzaldehyde in medical industry.
Molecular Formula : Na2SO3
Molecule Weight : 126.04
CAS NO .: 7757-83-7
Appearance : White Free Flowing Fine Crystal or Powder
Specification for Industry Grade and Food Grade :
Item
Quality Index
Industry Grade
Food Grade
Purity ( As Na2SO3)
96.0% min
98.0% min
Sodium sulphate ( SO4)
2.5% max
1.5% max
Chlorides ( As NaCL)
0.5% max
0.1% max
Arsenic ( As )
-
0.0002% max
Heavy metals ( As Pb )
-
0.0005% max
Iron (Fe)
0.005% max
0.002% max
Water insolubles
0.05% max
0.02% max
 
Specification For Photo Grade and Pharmaceutical Grade
Item
Quality Index
Photo Grade
Pharmaceutical Grade
Purity ( As Na2SO3)
98.0% min
98.0% min
Sodium sulphate ( SO4 )
1.5% max
1.5% max
Chlorides ( As CL-)
0.05% max
0.05% max
Arsenic ( As )
0.0002% max
2ppm max
Lead ( As Pb)
0.0005% max
2ppm max
Iron (Fe)
0.001% max
5ppm max
Selenium ( Se)
0.0001% max
1ppm max
Zinc ( Zn)
0.0001% max
 

Storage

Sodium sulfite should be stored in a dry and cool place.

 Package

Sodium sulfite is packed in net weight 25kg plastic woven bag with plastic inner bag.

25tons/20'FCL.

Industrial Na2SO3 7757-83-7 Anhydrous Sodium Sulfite 0

Industrial Na2SO3 7757-83-7 Anhydrous Sodium Sulfite 1

 

Contact Details
vivian

Phone Number : +8615063431351

WhatsApp : +008615063431351