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china-cas no.: 7681-57-4

  post date: sep 18,2021
  expiry date: mar 17,2022
  detailed description: cas no. :7681-57-4
quantity: 1000metric tons
specs:96.5%;95.0%

payment method: tt/lc
product name: sodium metabisulfite
einecs no.: 231-673-0
molecular formula: na2s2o5
molecular weight: 190.10
appearance: white or slight yellow crystalline powder
quality standard: hg/t 2826-2008

uses:
printing and dyeing mordant;
dechlorination agent of fabric after bleaching;
chemical, pharmaceutical reductant and sulfonating agent;
bleaching agent of bamboo, wood, paper fiber;
dressing agent of non-ferrous metal;
wastewater treatment;
rubber curing agent
packing: pe bag lined pp woven bag.
net wt: 25, 50, 1000kg/bag.

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  cas registry number:

7681-57-4

  synonyms: ;sodium pyrosulfite;disodium disulphite;sodium metabisulphite;sodium disulphite;sodium pyrosulphite;sodium disulfite;disodium oxidosulfanesulfonate oxide;sodium metabi;metabisulfite sodium;
  molecular formula: na2s2o5
  molecular weight: 190.1065
  molecular structure: 7681-57-4 sodium metabisulfite

  hazard symbols:  xn:harmful;
  risk codes: r22:;
r31:;
r41:;
  safety description: s26:;
s39:;
s46:;

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