Product Name Trade Name: Fast Red F5RK C.I. Number: 12475 CAS Number: 2786-76-7 EU Number: 220-509-3 Chemical Family: Mono azo Molecular Weight 454.48 Molecular Formula C26H22N4O4 P.H. Value 6.5-7.5 Density 1.5 Oil Absorption 35-45ml/ 100g Light Fastness 7 Heat Resistance 180° C Water Resistance 5 Oil Resistance 5 Acid Resistance 5 Alkali Resistance 5 Shade: Bluish Red Main Application: Industrial Paint and Automotive Paint Can Use: Water base Coating and Plastic. Foreign relative brand: Aquapak Naphthol Aryl Red F3-SCH ( TIC) Cartaren Red F5RK ( CLAR) Graphtol Red F3RK 701 ( CLAR) Novoperm Red F3RK 70 ( CLAR) Red PEC-056 ( SUM)