Qingdao Yuyin Chemical Co., Ltd.

Sodium Sulfite, Sodium Sulphite, Na2so3 manufacturer / supplier in China, offering Anhydrous Sodium Sulfite Na2so3 Food Grade and Industrial Grade/Sodium Sulphite, High Quality 99% Food Grade Potassium Chloride, Calcium Carbonate 98% Food Grade and so on.

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Anhydrous Sodium Sulfite Na2so3 Food Grade and Industrial Grade/Sodium Sulphite

FOB Price:US $400 - 450 / Ton
Min. Order (Tons) FOB Price
20+ US $400-450 / Ton
Get Latest Price
Min. Order: 20 Tons
Port: Qingdao, China
Production Capacity: 200, 000/Year
Payment Terms: L/C, T/T, D/P, Western Union, Paypal, Money Gram

Basic Info.

Model NO.:96% MIN
Certification:CCIC, CIQ, SGS, RoHS, ISO
Purity:96% M in
Type:Sodium Sulfate
Appearance:Powder
Grade Standard:Industrial Grade
Application:Detergents
Trademark:YUYIN
Transport Package:50kg/500kg/1000kg/PP Bag
Specification:HIGH CLASS
Origin:China
HS Code:28321000

Product Description

Product Description
 
Best price Sodium Sulfite Anhydrous 
 
CAS no.:  7757-83-7
EINECS no: 231-821-4
MF:  Na2SO3
Appearance: White crytal powder
  
Properties
Sodium Sulfite (Sodium Sulphite) is white gravel or powder crystal,relative density is 1.561, less to dissolve in water and its water solution has alkaline reaction.
Sodium Sulfite  is hard to dissolve in ethanol.
 
Speicificaion
Sodium Sulfite for Industry Grade and Food Grade 
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
 
 
Usage
(1) Industry Grade : Used in Dyeing and printing Industry ,as dechlorinating agent and bleaching agent,  in leather and tanning industry as bleaching agent , developer agent , reductant agent , stabilizer agent , or used in papermaking, electronic and water treatment industry.  
 
(2) Food Grade: In food industry as additive (E223) preservative, antioxidant and antimicrobic for fruits (dried, glazed and candled), vegetables (onions, potatoes, etc.), juices (citrus and grapes) and fish (shrimps and prawns). In  silage treatment as antifermentative. In  starch and sweeteners production as bacteriostatic.     
 
(3) Photo Grade: In the photographic industry as component of developer bath  .
 
(4) Pharmaceutical Grade : pharmaceutical industry for the production of chloroform, benzene and formaldehyde phenylpropanoid Sulfone
 
Packaging & Shipping
Package
Sodium sulfite is packed in net weight 25kg plstic woven bag with plastic inner bag. 
25tons/20'FCL. 
 
Storage
 Sodium sulfite should be stored in a dry and cool place.
 
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