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Chemical Sodium Sulfite Water Treatment Food Additive HS Code 28321004 SSA

Chemical Sodium Sulfite Water Treatment Food Additive HS Code 28321004 SSA

  • Chemical Sodium Sulfite Water Treatment Food Additive HS Code 28321004 SSA
  • Chemical Sodium Sulfite Water Treatment Food Additive HS Code 28321004 SSA
Chemical Sodium Sulfite Water Treatment Food Additive HS Code 28321004 SSA
Product Details:
Place of Origin: Hunan
Brand Name: sanxiang
Certification: ISO 9001 SGS
Model Number: sodium sulfite anhydrous - chemical for Dyeing and printing
Payment & Shipping Terms:
Minimum Order Quantity: 1 metric ton
Price: usd 430 per metric ton
Packaging Details: 25 kgs bag,1000 kgs big bag
Delivery Time: 5-8 days
Payment Terms: T/T , L/C
Supply Ability: 3000 tons per month
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Detailed Product Description
Name: SSA Sodium Sulfite Chemical For Dyeing And Printing Other Name: SSA Sodium Sulphite Anhydrous Chemical Dyeing And Printing Chemical
Usage: Chemical For Dyeing And Printing Packing: 25 Kgs Plastic Woven Bag/paper Bag
Mocular: Na2SO3 97% HS CODE: 28321000
Appearance: White Powder
High Light:

sodium sulfite photography

,

sodium sulfite dechlorination

 

FOR WATER TREATMENT ANHYDROUS SODIU SULFITE              

 SODIUM SULPHITE            
 

 

Sodium Sulfite Anhydrous

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) 2.0% max 1.0% 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 ) 1.0% max 1.0% 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 1ppm max
Copper ( Cu ) 0.0001% max 0.1ppm max
Mercury ( Hg) 0.0001% max 0.1 ppm max
 

 

 

Sodium sulfite  
Other names  
Hypo clear(photography)  
E221  
Identifiers  
CAS Number · 7757-83-7
3D model (JSmol) · Interactive image
ChEBI · CHEBI:86477
ChemSpider · 22845
ECHA InfoCard 100.028.929
EC Number 231-821-4
E number E221 (preservatives)
PubChem CID · 24437
RTECS number WE2150000
UNII · VTK01UQK3G
InChI[show]  
SMILES[show]  
Properties  
Chemical formula Na2SO3
Molar mass 126.043 g/mol
Appearance white solid
Odor odorless
Density 2.633 g/cm3 (anhydrous)
1.561 g/cm3 (heptahydrate)  
Melting point 33.4 °C (92.1 °F; 306.5 K) (dehydration of heptahydrate)
500 °C (anhydrous)  
Boiling point Decomposes(separate (substances) into constituent elements)
Solubility in water 27.0 g/100 mL water (20 °C)
Solubility soluble in glycerol insoluble in ammonia,chlorine
log P -4
Acidity (pKa) ~9 (heptahydrate)
Refractive index(nD) 1.565
Structure  
Crystal structure hexagonal (anhydrous)
monoclinic (heptahydrate)  
Hazards  
Safety data sheet ICSC 1200

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.

SS is used as an antichlor in water treatment and desalination plants; in the reduction of wastewater in chrome-plating industry; as a preservative in the manufacture of trinitrotoluene (TNT); as a bleaching agent and for scrubbing sulphur dioxide gas in pulp mills in power plants and for leather treatment.
It is also used as an oxygen scavenger in low-pressure boilers and in the manufacture of detergent, sodium thiosulphate and photographic chemicals.

 

Packing: Packed in 25kg plastic woven bag, Kraft paper bag, PE bag, 500kg/1000kg/1100kg/1200kg jumbo bag or as per the buyer’s requirement

 

Storage: Store the product in a dry and cool place.

 

Application :

(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 formaldehydephenylpropanoid Sulfone

Molecular Formula : Na2SO3

Molecule Weight : 126.04

CAS NO .: 7757-83-7

Appearance : White Free Flowing Fine Crystal or Powder

 

 

 

Sodium sulphite

 



Product specifications:

Formula: Na2SO3
Grade:

The product is manufactured in the following grades:

  • Food
  • Technical
Applications: Pulp and paper
In the production of pulp by sulphite semi-chemical process and chemi-thermo mechanical means
Water treatment
As an antichlor
Boiler water
As an oxygen scavenger
Chemicals and drugs
A moderate reducing agent in the manufacture of sodium thiosulphate, sulphonated chemicals, sulphomethylation, and acetaminophen
Natural latex rubber
As a preservative
Photography
As a preservative
Food industry
As an antioxidant, enzyme inhibitor and anti-microbial agent
Fibre industry
As a solvent for raw materials, an additive for precipitation baths, for bleaching and for desulphurising bobbins
Chlor-alkali
To destroy chlorine in return brine
Leather industry
In the sulphitisation of tanning extract
Explosives
In the production of trinitrotoluene (TNT)
Minerals
Oil well floatation as an oxygen scavenger
Detergents
In the manufacture of sulphosuccinates and shampoo
Packaging / transportation
  • 25kg polypropylene woven / paper bags with heat sealed inner liner
  • 25kg HDPE bags
  • 500kg, 1,000kg, 1,100kg bulk sacks

Locally, it is transported in six-wheeler, 10-wheeler and trailer trucks. Internationally, it is transported in 20' containers. The maximum stuffing is 27Mt. / 20' fcl.

 

 

 

 

Chemical Sodium Sulfite Water Treatment Food Additive HS Code 28321004 SSA 0

 

 

Contact Details
KEYUAN HOLDING GROUP CO.,LTD

Contact Person: Mrs. Kim Xie

Fax: Ningbo Keyuan Holdings Group

Send your inquiry directly to us (0 / 3000)

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