Description

Sodium metabisulfite is widely used in leather tanning , cloth knitting , organic matters blanching , mordant , food preservation , brewing , sterilization and antisepsis of beverage , synthetic organic reducers for photography , rubber coagulators and spices . In pharmaceuticals industry , it used in the manufacturing of chloroform , phenprofone and benzaldhyde .In rubber industry , it used as coagulator . In dyeing industry , it used as the dechlorinating agent boiling agent after the bleaching of cotton cloth .It used as developer . In leather industry , it used in the leather processing . In chemical industry , it used in the producing of *-hydrixyvanillin , oxammonium hydrovhloride .