... NO.6416-66-6 2.STRENGTH:125% 3.APPEARANCE:RED POWDER 1.CAS No.: 6416-66-62.STRENGTH:125%3. DYESTUFF ... REASONABLE PRICE 5.GOOD LOGISTICS SERVICE6.Please refer to our Acid dyes products list in the following:YELLOW 59, 67, ... 117, 128, 158:1, 199, 232ORANGE 33, 88, 95, 156RED 57, 111, 131 ... , 27VIOLET 54, 90BLACK 24, 60, 168, 172, 194, 220 ACID Red 249 CAS NO.6416-66-6