Sodium Sulphite Anhydrous

Sodium Sulphite Anhydrous
Sodium Sulphite Anhydrous
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Product Code : Na2SO3
Brand Name : Yonta
Price And Quantity
  • Minimum Order Quantity
  • 25Mts Metric Ton
  • Price Range
  • 305.00 - 520.00 USD ($)
Product Specifications
  • HS Code
  • 2832.100000
  • Other Names
  • Sodium Sulfite Anhydrous; Disodium Sulfite
  • Chemical Name
  • Sodium Sulphite Anhydrous
  • CAS No
  • 7757-83-7
  • EINECS No
  • 231-821-4
  • Standard
  • 97% Min / 93% Min
Product Description

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
Trade Information
  • FOB Port
  • Huangpu/Tianjin, China
  • Supply Ability
  • 2200 Metric Ton Per Year
  • Delivery Time
  • 21 Days
  • Sample Available
  • Yes
  • Packaging Details
  • In 25kgs /50kgs /1000kgs net p.p. woven bags

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