DYESTUFF 1.CAS NO.11097-74-8 2.STRENGTH:140% 3.APPEARANCE:RED POWDER 1.CAS No.: 11097-74-82.STRENGTH:140%3. DYESTUFF FOR SILK ... , 260, 277, 324, 350BROWN 21, 28GREEN 25, 27VIOLET 54, 90BLACK 24, 60, 168, 172, 194, 220 ACID Violet 54 CAS NO.11097-74-8