Product Name Trade Name: Quinacridone Violet C.I. Number: 73900 CAS Number: 1047-16-1 EU Number: 213-879-2 Chemical Family: Quinacridone Molecular Weight 312.33 Molecular Formula C20H12N2O2 P.H. Value 7 Density 1.7 Oil Absorption 50ml/ 100g Light Fastness 8 Heat Resistance 250° C Water Resistance 5 Oil Resistance 5 Acid Resistance 5 Alkali Resistance 5 Foreign relative brand: Cinquasia Red BNRT-742-D ( CIBA) Fastogen Super Red 380R ( DIC) Sudaperm Red 2B 2987 ( SCIL) Hostaperm Red E3B ( CLAR) H-D Sperse TM Violet AGP 526[ W] ( HOL) Ppigment Violet 19 ( CPMA) Quindo Violet RV-6909 ( BAY)