Korea Research Institute of Chemical Technology

Sung Nyung Yun

Seung Rim Shin

Tae Kyung Kim

Sea Wha Oh

Myeong Nyeo Kang

This invention relates to a reactive black dye containing acetoxyethyl sulfone compound and more particularly, to the reactive black dye containing acetoxyethyl sulfone compound of formula (1), which is characterized by lessening the loss of dyes in filtering process owing to the low solubility by introducing the aminophenyl-beta-acetoxyethyl sulfone moiety, saving the cost for waste water treatment by using a small amount of salt in salting-out process and furthermore obtaining bright color with high dyeing yield and good substantivity wherein M is an alkali metal atom, and wherein the compound of formula (1) is chosen from

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Daejeon, South Korea

Sung Nyung Yun