Also known as para-ester of (β- ethyl sulfone sulfate) aniline, vinyl sulfone sulfate, 4-ethyl sulfate sulfone aniline, -β- hydroxy ethyl sulfone aniline sulfate of hydroxy ethyl sulfone aniline -β- sulfate. English called para-ester, formula C8H11O6NS2, a molecular weight of 281.31. CAS No. 2494-89-5. Appearance off-white powder.
Position on the use of esters
Registration is an important intermediate ester reactive dyes for synthetic EF type, KN type, M / KM type, ME et-containing vinyl sulfone type reactive dyes.