| abstract |
ARYLAZO-, ARYL DISAZO-, AND BENZOTHIAZOLYLARYLAZO-1,3SUBSTITUTED-5-PYRAZOLONES, FOR EXAMPLE, 1-(CH3-)2-N-CH2-),3-CH3,4-((4-CH3-PHENYL)-N=N-), 5-OH-PYRAZOLE 2-((1-(HO-CH2-),3-CH3,5-OH-PYRAZOL-4-YL)-N=N- (1,4-PHENYLENE)-),6-CH3,7-(NA-O3S-)BENZOTHIAZOLE USEFUL AS PAPER DYES HAVING GOOD WATER SOLUBILITY, BLEACHABILITY, BRIGHTNESS, LIGHTFASTNESS AND TINCTORIAL STRENGTH, AND AS INTERMEDIATES FOR CATIONIC DYES WHICH IN TURN ARE USEFUL IN DYEING ACID MODIFIED ACRYLIC, POLYESTER AND POLYAMIDE FIBERS. |