CAS No.: 2425-85-6 EU No.: 219-372-2 C.I.No.: :12120 Formula: C17H13N3O3 Molecular Weight: 307.30 Foreign relative brand: Aurasperse II W-3073 (EHC) Basoflex Red 3750 (BASF) Covanor Red W3603 (LCW) DCC 2254 Toluidine Red (DCC) Flexiverse Red 3 (SNCG) Hansa Red B (HOE) Kenalake Scarlet RB (HAYS) Monolite Scarlet RN (ZEN) Pigment Scarlet (KRAS) Solintor Scarlet RN (IOS) Following are the technical data sheet: Shade Yellowish Specific Gravity (g/cm3 H2O = 1) 1.34-1.52 Bulk density (lb/gal) 11.1-12.6 Melting point (0C) 276 ~ 278 Average partical (um) 0.26 ~ 0.53 Surface area (m2/g) 8 ~ 25 PH value 6.0 ~ 7.1 Oil absorption(g/100g) 33 ~ 80 Tinting strength Semi-Transparent