para-ester is one of the important intermediates of reactive dyes, which is used to synthesize EF, KN, M/KM and other reactive dyes containing vinyl sulfone. The production proportion of reactive dyes containing vinyl sulfone group has increased significantly year by year, and has developed into the largest category of reactive dyes, which occupies a very important position in the production and research field of reactive dyes.
Alias: P-(β-sulfoethyl sulfone) aniline, vinyl sulfone sulfone, 4-ethyl sulfone sulfone aniline, p-β-hydroxy-sulfosulfone aniline sulfate, p-β-hydroxysulfoaniline sulfate, p-β-hydroxy-sulfoaniline sulfate, 591.
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