Sodium Sulphite Anhydrous

Sodium Sulphite Anhydrous

Sodium Sulphite Anhydrous
 
 - Product Identification
 CAS No. : 7757-83-7
 EINECS No. : 231-821-4
 H.S. Code : 2832.100000
 Formula : Na2SO3
 Molecular Weight : 126.04
 Toxicity : Oral mouse LD50: 820 mg/kg
 Synonyms : Sodium Sulfite Anhydrous; Disodium Sulfite; Natrii Sulphis; Natrium Sulfurosum;
 Natriumsulfit (German); Sulfurous Acid, Disodium Salt;
 
 - Physical And Chemical Properties
 Physical State : White crystalline powder
 Melting Point : Decomposes
 Specific Gravity : 2.633
 Solubility in water : good
 PH : 9
 Vapor Density : 4.35
 NFPA Ratings : Health: 1 Flammability: 0 Reactivity: 0
 Stability : Stable under ordinary conditions
 
 - Applications
 - Pharmaceutical industry for the production of chloroform, benzene, styrene sulfone, formaldehyde.
 - Rubber industry as a coagulant.
 - Bleached cotton printing and dyeing industry as the dechlorination agent, cotton scouring agent. It can prevent the partial oxidation of cotton cloth fiber and influence the fiber strength.
 - Leather tanning industry for processing???make the leather soft, plump, tough, waterproof, bending, wear and other properties.
 - The chemical industry for the production of vanillin hydroxyl, hydroxylamine hydrochloride and so on.
 - Photographic Industry as a developer, etc.
 - The food industry as a bleaching agent, preservatives, leavening agent, antioxidant, color agents and the insurance agent. as reducer in producing dehydration vegetables.
 - Electronics industry for the manufacture of photosensitive resistance.
 - Paper-making, Electronic, Water-treatment for electroplating wastewater, drinking water, etc.
 
 - Specification
 Testing Items / Quality Standard – Type (1) / Quality Standard – Type (2)
 Appearance : White crystalline powder / White crystalline powder
 Purity – NA2SO3 : 97% Min / 93% Min
 Water Insoluble : 0.02% Max / 0.03% Max
 Fe : 0.003% Max / 0.005% Max
 Free Alkali, as NA2CO3 : 0.1% Max / 0.4% Max
 Sulphates, as NA2SO4 : 2.5% Max / -
 Chlorides, as NACL : 0.1% Max / -
 
 - Transportation
 Storage : Stored in cool and dry place, avoid moisture and heat
 Packing : In 25kgs /50kgs /1000kgs net p.p. woven bags
 
 - Other Trade Information
 Min. Order Quantity : 25 MTS
 Supply Capacity : 22,000Mts /Year
 Loading Capacity : 27Mts/1080Bags (1x20'FCL)
 Port of Loading : Huangpu / Hengyang / Tianjin, China
 Fresh Stocks : Yes
 Ref. Price : USD305.- ~ USD520.- /MT FOB Huangpu / Tianjin, China
 Shipment Time : Within 2-3 weeks upon receipt of advance payment or L/C .
 Payment Terms : T/T, L/C ( Sight / 90days ), D/P, Western Union
 Origin : Hunan, Tianjin
 Sample Availability : Yes
 Main Export Markets : India, Indonesia, Thailand, Pakistan, Bangladesh, Iran, Argentina, Turkey

Product Origin: China
Model Number: 97% Min
Brand Name: Yonta
   
   

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