| 摘要 |
A water-soluble fiber-reactive red dyestuff is disclosed which, in its free acid form, has the formula <IMAGE> wherein X is -CH=CH2 or -CH2CH2-Z wherein Z is -OH, -Cl, -Br, -OSO3H, -SSO3H, -OPO3H2, -O2CCH3, -O2CCH2CH3 or -N(lower alkyl)2. Liquid compositions of said dyestuff are also disclosed. This dyestuff yields brilliant red shades on cellulosic materials having excellent fastness properties and superior color yield and build up.
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