Sodium Sulphite Anhydrous

• Post Date:

  Nov 11,2023

• Expiry Date:

  Nov 10,2024

• Detailed Description:

  Cas No. :7757-83-7 Quantity: 22,000Metric Tons
  Specs:97% Min / 93% Min
  Price:520 USD Metric Tons
  Payment Method: T/T, L/C, D/P, Western Union
  

  　

  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
  　

• CAS Registry Number:

  7757-83-7

• Synonyms:

  ;Sodium sulfite anhydrous;Sodium sulphite;anhydrous sodium sulfite;Sodium sulfite ,anhydrous;Sodium Sulfite (Food Grade);

• Molecular Formula:

  Na₂SO₃

• Molecular Weight:

  126.04

• Molecular Structure:

  

• Hazard Symbols:

   Xn:Harmful;
  

• Risk Codes:

  R22:;
  R36/37/38:;
  

• Safety Description:

  S24/25:;
  

• Company:

  Changsha Yonta Industry Co., Ltd.     [ China ]          

• Contact:

  He Zhu

• Tel:

  +86-731-85352228

• Fax:

  +86-731-85352208

• Email:

  yontachem@gmail.com