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Na2SO3 97% Purity Sodium Sulfite Preservative White Gravel - Powder Crystal

Na2SO3 97% Purity Sodium Sulfite Preservative White Gravel - Powder Crystal

  • Na2SO3 97% Purity Sodium Sulfite Preservative White Gravel - Powder Crystal
  • Na2SO3 97% Purity Sodium Sulfite Preservative White Gravel - Powder Crystal
Na2SO3 97% Purity Sodium Sulfite Preservative White Gravel - Powder Crystal
Product Details:
Place of Origin: Hunan
Brand Name: Kemsky
Certification: ISO 9001 SGS
Model Number: sodium sulfite anhydrous -Dyeing and printing chemical
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 Dyeing And Printing Chemical Other Name: SSA Sodium Sulphite Anhydrous Dyeing And Printing Chemical
Shelf Life: 24 Months/2 Years Usage: Dyeing And Printing Chemical
Mocular: Na2SO3 Purity: 97%
High Light:

sodium sulfite photography

,

sodium sulfite dechlorination

 

FOR WATER TREATMENT ANHYDROUS SODIU SULFITE     SODIUM SULPHITE            
 

Storage:

 

1, should be stored closely in the shady, cool and dry warehouse under 30 centigrade

2, package should be sealed without contacting with air, preventing becoming damp and deteriorated

 

Harmful:

 

For health: it will decompose hydrogen sulfide in gastrointestinal tract, causing hydrogen sulfide poisoning; it will corrode skin and eyes

For environment: it will pollute environment

 

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
 

 
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
 

 

 

 

 
 

Na2SO3 97% Purity Sodium Sulfite Preservative White Gravel - Powder Crystal 0

Contact Details
NINGBO SOURCECHEM CO.,LTD

Contact Person: Ms.xie

Tel: +8613975090964

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