Product Name Trade Name: Fast Orange G-R C.I. Number: 21110 CAS Number: 3520-72-7 EU Number: 222-530-3 Chemical Family: Disazo Molecular Weight 623.49 Molecular Formula C32H24CI2N8O2 P.H. Value 7 Density 1.5 Oil Absorption 35ml/ 100g Light Fastness 7-8 Heat Resistance 160° C Water Resistance 5 Oil Resistance 4 Acid Resistance 5 Alkali Resistance 4 Main Application: Surface Printing Ink and Inner Printing Can Use: Plastic and Printing. Foreign relative brand: Flexobrite Orange AD13 ( YCL) Hostasin Orange G ( CALR) Pollux Orange PP-G ( SUM) Symuler Fast Pyrazolone Orange G ( DIC) Viscofil Orange GG ( CLAR) Suimei Pyrazolone Orange G ( KKK)