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Sodium Pyrosulfite - China

price: contact company for price

Sodium Pyrosulfite

CAS No.:7681-57-4.

EINECS No.: 231-673-0.

H.S. Code: 2832100000.

MF: Na2S2O5.

MF weight: 190.10

Other name: Sodium Metabisulfite, SMBS.


(1) Sodium Pyrosulfite 98%

Sodium Pyrosulfite (as Na2S2O5): 98% min.

Sodium Pyrosulfite (as SO2): 65% min.

Iron Content: 0.001% max.

Water Insoluble: 0.02% max.

PH value: 4.0-4.8.

Heavy Metal (as Pb): 0.0005% max.

As: 0.0002% max.

(2) Sodium Pyrosulfite 97%

As Na2S2O5: 97.65% min.

As SO2: 65.82% min.

Fe: 0.002%.max.

Water insoluble: 0.01%.max.

Heavy Metal (as Pb): 0.001% max.

As: 0.0002% max.

PH: 4.4.

Appearance: White or yellow crystaline powder.


(1) Food Grade

Bleach agent (e.g. candies, cake, bamboo shoots, etc.);Loose agent (e.g. bread, cracker etc.);Antiseptic and germicide (e.g. fruit juice, tinned food, brews, the cereals food is defended storage etc.);Inhibitor and freshen agent (e.g. day lily, seafood, fruit and vegetable etc.).

(2) Industry Grade

Mordant of printing and dyeing; Dechorinate of textile after bleaching;Sulphonated agent and reducer of chemical industry and pharmacy; Bleach of paper pulp; bamboo and timber bleach of stap;Treatment agent of waste water;Rubber solidifying agent; Perfume industry is served as hydro carbon perfume aldehyde.

Package: 25 kg plastic woven bag, 25kg Kraft paper bag, 25kg PE bag, 500kg jumbo bag or as per the buyer’s requirement.

Delivery Time: Within 30 days.

Also provide Sodium Pyrosulfite 96%.

Sodium Pyrosulfite

Thank you in advance for your consideration

Company Contact:

  • Phone: 8603192601189

  • Address: Times Square,Qiaoxi District, Xingtai, China

  • Email: Email

Published date: September 6, 2012 -

  • Business Description: Hebei Bailu chemicals Co.,Ltd. is a private joint stock corporation, integrating manufacture and sale of chemical products,it's one subcompany of Hebei Egret Chemcial Co., Ltd which is a great chemical group based in North of China

    Our company enjoys the rights to import and export,exclusively providinghigh quality Traditionally.Our product mail includes soda ash light/dense, caustic soda flake/solid/pearl quid,glacial acetic acid,sodium sulphate anhydrous,and iron oxide pigments.

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