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SGS 97% Purity SSA Sodium Sulfite Food Grade cas no 7681-57-4 White Crystal Powder

SGS 97% Purity SSA Sodium Sulfite Food Grade cas no 7681-57-4 White Crystal Powder

  • SGS 97% Purity SSA Sodium Sulfite Food Grade cas no 7681-57-4 White Crystal Powder
  • SGS 97% Purity SSA Sodium Sulfite Food Grade cas no 7681-57-4 White Crystal Powder
  • SGS 97% Purity SSA Sodium Sulfite Food Grade cas no 7681-57-4 White Crystal Powder
SGS 97% Purity SSA Sodium Sulfite Food Grade cas no 7681-57-4 White Crystal Powder
Product Details:
Place of Origin: Hunan
Brand Name: Kemsky
Certification: ISO 9001,SGS
Model Number: preservative sodium sulfite
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 Other Name: Anhydrous Sodium Sulphite
Usage: Food Industry Mocular: Na2SO3
HS CODE: 28321000 CAS NO: 7681-57-4
High Light:

sodium sulfite anhydrous

,

sodium sulfite preservative

 

SODIUM SULFITE ANHYDROUS

 

We prefer to build a long relations of cooperation,not short-term business.So,may we can not sure you the lowest price in China, but we can sure you can get the best quality stuff for the cheapest prices .
Specifications
1) Pruity 97% min
2) Good quality
3) SGS,BV,REACH
4) 25 kg net weight plastic woven bag
Usage:
Paper,chemical mechanical pulp, water treatment, dyes intermediates, fabric bleach, photographic imaging, artificial silk, leather, corrosion, stone carving, pharmaceutical synthesis, latex processing,mirror silvering,thiosulfate preparation and analysis of chemical reagents and so on.

 

 

Specification:

Anhydyous sodium sulphite
English name Anhydyous sodium sulphite
Molecular formula Na2SO3
Technical specifications High purity grade Refined grade Photographic grade Industrial grade Industrial grade Industrial grade
Sodium sulfite Sodium sulfite Sodium sulfite High-class product High-class product First grade product
Na2SO3 ≥ % 98 98 97 98 97 96
Fe ≤ % 0.0005 0.002 0.005 0.003 0.003 0.005
Water insoluble ≤ % 0.005 0.01 0.05 0.02 0.02 0.03
Free alkali ≤ % 0.1 0.3 0.15 0.1 0.1 0.4
Sodium sulfate ≤ % 1.5 1.5 1.5 2.5
Sodium chloride ≤ % 0.005 0.02 0.01 0.1
Heavy metal on Pb≤ % 0.001 0.002 0.002
As ≤ % 0.0001 0.0005
Sodium thiosulfate ≤% 0.01 0.02 0.03
Aqueous solution appearance Qualified Qualified Qualified
Reaction of silver nitrate ammonia solution Qualified
 

 

 

Application:
It is used in dyeing industry as deoxidizer and bleaching agent for a variety of cotton fabric treating and scouring, which can prevent fabrics from local oxidation and deterioration of fibre strength. In photographic industry it is used as a reagent. In organic industry it is used as reducing agent in production of m-phenylenediamine, 25 - bared oxazolone, amino salicylic acid, etc. Textile industry uses it as a stabilizer for synthetic fibre. Other applications include various uses in paper mills, electronic industry, water treatment, etc.

 

SGS 97% Purity SSA Sodium Sulfite Food Grade cas no 7681-57-4 White Crystal Powder 0

 

Contact Details
NINGBO SOURCECHEM CO.,LTD

Contact Person: Ms.xie

Tel: +8613975090964

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