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CAS No:7757-83-7 disodium
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food grade anhydrous Sodium sulfite

  • CAS No.: 7757-83-7
  • Purity: 95%-98%
  • Price: USD 210~360/Metric Tons
  • Weight: 126.042739
  • Place of Orign: Xinxiang ,Henan,China
Ms.Betty Gao

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Item specifics

  • Product Name.:food grade anhydrous Sodium sulfite
  • CAS No: 7757-83-7
  • Weight: 126.042739
  • Formula: Na2O3S
  • Melting Point: 500 °C
  • Density: 2.633

Details

Molecular Formular: Na2SO3
Molecule weight: 126.04
Appearance: White or light yellow crystalline powder
Quality standard: GB/1894-2005

Company standard
Item Index
Total content(as Na2SO3)% ≥97.0
Fe(as Fe)% ≤0.01
Free alkali(as Na2Co3)% ≤0.60
Heavy metals(as Pb )% ≤0.001
As(As)% ≤0.0002
Clarity Passed

National standard
Item Index
Total content(as Na2SO3)% ≥96.0
Fe(as Fe)% ≤0.01
Free alkali(as Na2Co3)% ≤0.60
Heavy metals(as Pb )% ≤0.001
As(As)% ≤0.0002
Clarity Passed

Application:
Used as preservative, decolorizer, bulking agent in food processing in case of being oxidated;
Used as antichlor and decolorization in printing and dyeing industry in the boiling process of all kinds of baffeta, which will prevent the baffeta fiber being oxidated partly and in which case the intensity of the fiber could be badly influenced.
Used as eikonogen in photographic industry;
Used as metaphenylene diamine in organic industry;
Used as reducing agent in the manufacture of aminosalicylic acid;
Used as man-made fiber and stabilizer in textile industry;
Also applied in paper making, electronics, water treatment etc.
Packing: in white PP laminated bag with inner poly bag.
Net weight: 25 kg/bag, 50kg/bag.

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Description: Molecular Formular: C6H11NaO7 Molecule weight: 218.14 Appearance: White or light yellow crystalline powder, odorless, slightly soluble in alcohol 50/100 ml(25℃ ) National standard Item Index Content 98-102% Chlorid <700PPM Sulfate <500PPM Heavy meta...

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food grade Sodium sulfite

CAS No: 7757-83-7

Purity: 95%-98%

Min quantity: null null

Price: 210 ~ 360 USD

Description: Molecular Formular: Na2SO3 Molecule weight: 126.04 Appearance: White or light yellow crystalline powder Quality standard: GB/1894-2005 Company standard Item Index Total content(as Na2SO3)% ≥97.0 Fe(as Fe)% ≤0.01 Free alkali(as Na2Co3)% ≤0.60 Heavy...

Detail more >>
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