We are one of the leader manufacturer and exporter of the dyes and pigments in China SOLVENT YELLOW 21CAS: 5601-29-6C.I. 186901) Appearance: yellow powder2) Heat fastness: 12dc4) Light fastness: 35) Migration fastness: 36) Moisture: 5% max.7) Insoluble: 0.3% max.8) Use: for oil, plastic, resin and carbon paperPacking:25kg/drum/carton/bag Solvent yellow BL/Solvent yellow 21