... -70-7 2.STRENGTH:400% 3.APPEARANCE:YELLOW POWDER 1.CAS No.: 6459-70-72.STRENGTH:400%3. DYESTUFF FOR SILK,WOOL ... , NYLONG ETC.4.HIGH QUALITY & REASONABLE PRICE 5.GOOD LOGISTICS SERVICE6.Please refer ... , 90BLACK 24, 60, 168, 172, 194, 220 ACID Yellow 117 CAS NO.6459-70-7