Product Name: Sodium metabisulfite

Synonym：Sodium pyrosulfite；disodium disulphite；Sodium metabisulphite；Sodium disulphite；Sodium pyrosulphite；SODIUM DISULFITE；disodium oxidosulfanesulfonate oxide；Sodium Metabi；

Metabisulfite Sodium；

Chemical Abstracts No. (CAS No.) ：7681-57-4

Chemical Formula: Na2S2O5

Product quality index (standard) / specification: 96.5%   HG/T2826-2008

Product application: It can be used in industry for printing and dyeing, organic synthesis, printing, tanning, pharmaceutical and other departments; preservatives, bleaching agents, loose agents in food processing. Used as a chemical reagent (printing and dyeing, photography, etc.). It is used as a bleach mordant, reducing agent, rubber coagulant, and also used in organic synthesis pharmaceuticals and fragrances.