- Reactive disazo dyestuffs having a fluorocontaining reactive group and a sulphatoethylsulphone substituent
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Dyestuffs of the formula STR1 wherein B=CH=CH2 or CH2 CH2 OSO3 H, u and v=H or SO3 H, with u=v, R=Cl, Br, C1 -C4 -alkyl, C1 -C4 -alkoxy, COOH, SO3 H, NHCOCH3, SO2 CH2 CH2 OSO3 H n=0, 1 or 2 STR2 These dyestuffs are outstandingly suitable for the dyeing and printing of materials containing hydroxyl groups or amide groups, such as cellulose, wool and polyamide, and give dyeings with good wet and light fastness properties.
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