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  • Kylin Chemicals Co., Ltd.

  •  [Jiangsu,China]
  • Business Type:Distributor/Wholesaler , Manufacturer , Trade Company
  • Main Mark: Americas , Asia , Europe , Middle East , Other Markets
  • Exporter:81% - 90%
  • Certs:ISO9001, ISO14001, OHSAS18001, FCC, FDA, MSDS, REACH, Test Report
  • Description:Sodium Metabisulfite Food Grade,CAS 7681-57-4,Sodium Pyrosulfite
Kylin Chemicals Co., Ltd. Sodium Metabisulfite Food Grade,CAS 7681-57-4,Sodium Pyrosulfite
Home > Products > Water Treatment & Cleaning > Sodium Metabisulfite (CAS No. 7681-57-4)

Sodium Metabisulfite (CAS No. 7681-57-4)

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    Payment Type: L/C,T/T,D/P
    Incoterm: FOB,CFR,CIF
    Min. Order: 20 Ton
    Delivery Time: 7 Days

Basic Info

Model No.: CAS 7681-57-4

Additional Info

Packaging: in 25 Kg bags

Productivity: 100000 MT/a

Brand: Kylin Chemicals

Transportation: Ocean,Land

Place of Origin: China

Supply Ability: 100000 MT/a

Certificate: ISO 9001

Product Description

Sodium Metabisulfite


Sodium pyrosulfite; Disodium disulphite;

Disulfurous acid disodium salt; Pyrosulfurous acid disodium salt

Sodium Metabisulfite food grade

CAS No.: 7681-57-4

Molecular Weight: 190.10

Molecular Formula: Na2S2O5


  • industrial bleaching and reducing agent.
  • remove excess chlorine from drinking water.
  • photographic developing and fixing bath agent.


Appearance: White or light yellow crystalline powder

Purity (as Na2S2O5): ≥96.5%

Heavy Metals (as Pb): ≤0.005%

Iron (as Fe): ≤0.003%

Arsenic: ≤0.001%

Water insoluble: ≤0.05%


In cool and dry place without sunlight.

Sodium Metabisulfite CAS 7681-57-4

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Product Categories : Water Treatment & Cleaning

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