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Home > Products >  98% Sodium Sulfite Anhyrous with free sample in China

98% Sodium Sulfite Anhyrous with free sample in China 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

Keywords

  • Sodium Sulfite Anhyrous in China
  • 98% Sodium Sulfite Anhyrous
  • Sodium Sulfite Anhyrous free sample

Quick Details

  • ProName: 98% Sodium Sulfite Anhyrous with free ...
  • 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:
  • 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

98% Sodium Sulfite Anhyrous with free sample in China

Basic Information

Other Names: Sodium Sulfite Anhydrous 

Molecular Formula: Na2O3S 
Molecular Weight: 126.04
CAS NO.: 7757-83-7
EINECS NO.: 231-821-4
H.S. CODE NO.: 28321000
Standard: HG/T2967-2000
Purity: 96% min.; 97% min.; 98% min.

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

98% Sodium Sulfite Anhyrous with free sample in China

Tech grade of sodium sulfite anhydrous

1.Purity:96%97%

2.CAS no.:7757-83-7,

3. EINECS no: 231-821-4

4.MF: Na2SO3 

5. Appearance: White crytal powder

6. Packing: 25kg compound plastic woven bag with inner polythene liner,

7. Delivery time: within 7 days after received  T/T advance.

8. Payment Terms: T/T 30% Advance payment and 70% Cash Against documents

Usage of  sodium sulfite anhydrous 

(1) Industry Grade : Used in Dyeing and printing Industry ,as dechlorinating agent and bleaching agent, in leather and tanning industry as bleaching agent , developer agent , reductant agent , stabilizer agent , or used in papermaking, electronic and water treatment industry.

(2) Food Grade: In food industry as additive (E223) preservative, antioxidant and antimicrobic for fruits (dried, glazed and candled), vegetables (onions, potatoes, etc.), juices (citrus and grapes) and fish (shrimps and prawns). In silage treatment as antifermentative. In starch and sweeteners production as bacteriostatic.

(3) Photo Grade: In the photographic industry as component of developer bath.

(4) Pharmaceutical Grade : pharmaceutical industry for the production of chloroform, benzene and formaldehyde phenylpropanoid Sulfone

Storage of  sodium sulfite Fabric bleaching agent

 Sodium sulfite should be stored in a dry and cool place.

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

 

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