SODIUM METABISULPHITE Tech Grade

PRODUCT TYPE:

Basic Raw Material Series

CAS NUMBER:

7681-57-4

HS CODE:

28321010

Qualified Quality Reasonable Price Various Colors

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Molecular Formula: Na2S2O5

Molecular Weight: 190.09

HS CODE: 28321010

CAS NO.: 7681-57-4
Quality standard: HG/T 2826-2008


Item

Superior quality

First class

Main content (Na2S2O5   )

≥96.5%

≥95%

Iron (Fe)

≤0.005%

≤0.01%

Water-insoluble

≤0.05%

≤0.05%

Arsenic (As)

≤0.0001%

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Appearance: White or yellowish crystal powder.


Use: Printing and dyeing mordant; antichlor in after fabric bleaching; chemical and medicine reducer and sulfonating agent; bleaching agent of bamboo, wood and paper fiber; nonferrous metal dressing agent; waste water finishing agent; rubber coagulator; alkyl spice aldehyde in spice industry; depilating agent, softening agent and anti-wear agent in leather industry; reducer of developer and protective agent of fixative in sensitization industry


Packing: IN 25, 50, 1000kg/bag or customized in polypropylene woven bag lined with polyethylene plastic bag or plastic and paper compound bag, kraft bag, etc.


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