CAS No.: 6471-49-4 EU No.: 229-313-2 C. I. No.: 12355 Formula: C24H17N5O7 Molecular Weight: 487.42
Following are the technical data sheet:
Shade: Yellowish
Specific Gravity (g/cm3 H2O = 1): 1.45 ~ 1.55
Bulk density (lb/gal): 12.0~ 12.8
Melting point (0C): Average partical (um)
Surface area (m2/g): 68
PH value: 4.5 ~ 6.6
Oil absorption(g/100g): 33 ~ 83
Tinting strength: Transparent

Company Code No.: UN8113
Pigment Red 23 -- Fast Rose Red --- Highly concentrated, Aqueous inks, Aqueous coating