| 摘要 |
Reactive dyestuffs of the formula <IMAGE> WHEREIN <IMAGE> IS AN AMINO-SUBSTITUTED AZO DYESTUFF RADICAL WHERE B is the azo dyestuff radical thereof; R is hydrogen or lower alkyl which is unsubstituted or substituted by methoxy, ethoxy or hydroxy; M IS 1-2; AND WHEREIN Y is <IMAGE> where X is chloro, bromo or fluoro; Z is <IMAGE> where EACH M+ is alkali metal or ammonium, or both M+ together represent magnesium, calcium or zinc; and R' is hydrogen, lower alkyl or lower alkyl substituted by methoxy, ethoxy or hydroxy. These dyestuffs are useful in dyeing textile materials of cotton, regenerated cellulose, wool, silk, cellulose acetate, polyamides, polyacrylonitrile and modified polyacrylonitrile.
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