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Home > Products >  Best price of Sodium Sulfite Anhyrous in stock and in bulk supply

Best price of Sodium Sulfite Anhyrous in stock and in bulk supply CAS NO.7757-83-7

  • FOB Price: USD: 450.00-580.00 /Metric Ton Get Latest Price
  • Min.Order: 25 Metric Ton
  • Payment Terms: L/C,T/T,MoneyGram
  • Available Specifications:

    96%(24-200000)Metric Ton97%(24-200000)Metric Ton98%(24-200000)Metric Ton

  • Product Details

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  • Sodium Sulfite Anhyrous in bulk supply
  • Best price Sodium Sulfite Anhyrous
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Quick Details

  • ProName: Best price of Sodium Sulfite Anhyrous ...
  • CasNo: 7757-83-7
  • Molecular Formula: Na2SO3
  • Appearance: White crystalls powder
  • Application: Sodium sulfite CAS No. 7757-83-7 is ma...
  • DeliveryTime: 3 working days after your order
  • PackAge: 25kg .50kg.500kg etc. we can be accord...
  • Port: Huangshi, Wuhan, Yangluo, Shanghai, Ni...
  • ProductionCapacity: 200000 Metric Ton/Year
  • Purity: 96%, 97%, 98%
  • Storage: Seal in HDPE bags
  • Transportation: by sea
  • LimitNum: 25 Metric Ton
  • Water Content: 0.01%≤
  • Impurity: 无
  • Ash: 0.010~0.012%
  • Grade: Industrial Grade,Food Grade
  • Na2SO3: 96.5~98%
  • color: 14~22
  • PH: 9.4~9.6
  • Fe2+、Fe3+: 0.001~0.003%
  • Insolubles: 0.01~0.02%
  • Free alkali: 0.05~0.1%
  • Sulphate: 1~2.5%
  • NaCl: 0.5~0.7%
  • Moisture: 0.013~0.019%

Superiority

Best price of Sodium Sulfite Anhyrous in stock and in bulk supply

Sodium Sulfite Anhydrous 7757-83-7

Molecular Formula : Na2SO3

Molecule Weight : 126.04

CAS NO .: 7757-83-7

Appearance : White Free Flowing Fine Crystal or Powder

We use experienced technology for production. First,extract the chean gas of sulfur dioxide from the production part of sulfuric acid, Mixture with food grade sodium carbonate,it comes out high quality sodium hydrogen sulfite. Second,after chemical treatment of sodium hydrogen sulfite ,mixture with ionic membrane sodium hydroxide, generated sodium sulfite with water. After concentration, desiccation and crystallization,it comes out sodium sulfite anhydrous,then we packed up the products into the warehouse.

 

Specification

Index name

Analytically pure-AR

Chemical pure-CP

High purity

Content(Na2SO3)

≥97.0

≥95.0

≥96.0

Clarity test

Qualified

Qualified

 

Water insoluble

≤0.005

≤0.01

≤0.03

Sulphurous acid( counted by Na2HSO3 )

Qualified

Qualified

 

Free alkali( counted by Na2CO3 )

≤0.1

≤0.3

≤0.5

Chloride(Cl)

≤0.005

≤0.02

≤0.05

Thiosulfuric acid(S2O3)

≤0.01

≤0.02

≤0.04

Ferrum(Fe)

≤0.0005

≤0.002

≤0.003

Heavy metal(counted by Pb)

≤0.001

≤0.002

≤0.003

Arsenic(As)

≤0.0001

≤0.0005

≤0.001

Company Iformation

 Huangshi Jiake Environmental Protection Technology Co., Ltd. has a building area of more than 150,000 square meters. It is a professional manufacturer of high-purity industrial-grade anhydrous sodium sulfite and sodium metabisulfite. We have annual productive capacities of 200,000 tons of anhydrous sodium sulfite with purity 96~98%.

    We have experienced technicians, leading facilities, a modern management system and an excellent after-sale service system. We use the Mechanical Vapor Recompression technology for production and Automachine for package. Our products is clean and pure, the quality is over food grade standard. Output of sodium metabisulfite covers over 18 provinces in china market，our production capacity is leading globally.

 

Details

Best price of Sodium Sulfite Anhyrous in stock and in bulk supply

 

Sodium sulfite
CAS No.: 7757-83-7
Synonyms:
  • Sulfurous acid,disodium salt;
  • Disodium sulfite;
  • anhydrous sodium sulphite;
  • Natrii sulphis;
  • Sodium sulfite anhydrous;
  • disodium,sulfite;
  • sodium sulphite powder;
  • Sulftech;
  • SODIUM SULFITE;
  • Sodium sulfite solution;
  • Natrium sulfurosum;
  • Sodium sulphite;
Formula: Na2O3S
Exact Mass: 125.93600
Molecular Weight: 126.04300
PSA: 82.40000
Description
Sodium sulfite (sodium sulphite) is a soluble sodium salt of sulfurous acid (sulfite) with the chemical formula Na2SO3. It is a product of sulfur dioxide scrubbing, a part of the flue-gas desulfurization process. It is also used as a preservative to prevent dried fruit from discoloring, and for preserving meats, and is used in the same way as sodium thiosulfate to convert elemental halogens to their respective hydrohalic acids, in photography and for reducing chlorine levels in pools.

 

Properties
Appearance & Physical State: white crystals or powder
Density: 2.633
Melting Point: 500ºC
Refractive Index: 1.484
Water Solubility: 23 g/100 mL (20 ºC)
Stability: Stable. Incompatible with strong acids. Moisture and air sensitive.
Storage Condition: Store at RT.

 

Safety Info
Symbol:  
Sign:  
hazard declaration:  
hazard declaration add: Contact with acids liberates toxic gas.
waring notice:  
RTECS: WE2150000
Safety Statements: S24/25
HS Code: 2832100000
WGK Germany: 1
Risk Statements: R22; R36/37/38
Hazard Codes: Xn

 

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