Sodium Metabisulfite 7681-57-4

  • CAS No.: 7681-57-4
  • Type.: Others
  • Appearance: White or light yellow crystalline powder
  • Molecular Formula: Na2S2O5
  • Shelf Life: 2 Years
  • Min Order Quantity: 1 ton
  • Specification
  • Application
  • Packing&Shipping
  • Contact US
Industrial Grade
Project Target Test Result
Content(As Na2S2O5) (≥)  97.0% 97.36%
SO2 (≥)  65.0% 65.91%
Iron(Fe) (≤)  0.002 0.0017%
As (≤)  0.0001% 0.0001%
Water Insoluble Matter (≤)  0.02% 0.01%
PB (≤) 0.0005% 0.00048%
PH 4-4.8 4.53

Food Grade
Project Target Test Result
Content(As Na2S2O5), % ≥96.5 97.06
Iron(Fe), % ≤0.003 0.0014
Arsenic (As), % ≤0.0001 <0.0001
Heavy Metal (Pb), % ≤0.0005 <0.0005
Water-Insoluble, % ≤0.05 0.03
(1) In food processing, Sodium Metabisulfite is used as preservative, bleaching agent and loosening agent. Sodium Metabisulfite can be used for canned preserves, biscuits, sugar, ice sugar, sugar, candy, glucose, liquid glucose, bamboo shoots, mushrooms and mushrooms.

(2) In pharmaceutical industry, Sodium Metabisulfite is used for the production of chloroform, phenylpropanone and benzaldehyde.

(3) In rubber industry, Sodium Metabisulfite is used as coagulant.

(4) In printing and dyeing industry, Sodium Metabisulfite is used as a dechlorination agent for cotton cloth after bleaching, and a cotton textile finishing agent.

(5) In Leather processing and leather industry, Sodium Metabisulfite can make leather soft, plump and tough, with waterproof, bending resistance, wear resistance and other properties.

(6) In chemical industry Sodium Metabisulfite is used to produce hydroxyvanillin, hydroxylamine hydrochloride and so on.

(7) In photosensitive industries, Sodium Metabisulfite is used as developing agents.

 
  • Address:

    No 999,Jiangyue Rd, Minhang Dist ,201114,Shanghai ,China

  • E-mail

    [email protected]
    Skype: richestgroup

  • Tel

    +86 13472638548
    WhatsApp: +86 13472638548

Hot Products

Propyl Gallate Supplier 121-79-9

CAS No:121-79-9
Appearance:Powder

D-tartaric Acid Supplier 147-71-7

CAS No:147-71-7
Appearance:White crystal or crystalline powder

Potassium Bicarbonate Best Price 298-14-6

CAS No:298-14-6
Appearance:White powder

Factory Supplies Citric Acid 77-92-9

CAS No:77-92-9
Appearance:White crystal or crystalline powder

DL-Malic Acid 6915-15-7

CAS No:6915-15-7
Appearance:White crystalline powder

Fumaric Acid Powder For Sale 110-17-8

CAS No:110-17-8
Appearance:Crystalline powder

Submit Demands Online