The CAS registry number of Pigment Violet 19 is 1047-16-1. Its EINECS registry number is 213-879-2. The IUPAC is 5,12-dihydroquinolino[2,3-b]acridine-7,14-dione. In addition, the molecular formula is C₂₀H₁₂N₂O₂ and the molecular weight is 312.32. It is also called quino(2,3-b)acridine-7,14-dione, 5,12-dihydro-. What's more, it belongs to the classes of Electroluminescence; Functional Materials; Highly Purified Reagents; Other Categories; Refined Products by Sublimation. And it should be stored in a cool and dry place.

Physical properties about this chemical are: (1)ACD/LogP: 2.53; (2)ACD/LogD (pH 5.5): 2.53; (3)ACD/LogD (pH 7.4): 2.53; (4)ACD/BCF (pH 5.5): 49.2; (5)ACD/BCF (pH 7.4): 49.2; (6)ACD/KOC (pH 5.5): 565.85; (7)ACD/KOC (pH 7.4): 565.85; (8)#H bond acceptors: 4; (9)#H bond donors: 2; (10)Polar Surface Area: 40.62 Å²; (11)Index of Refraction: 1.702; (12)Molar Refractivity: 88.29 cm³; (13)Molar Volume: 227.7 cm³; (14)Polarizability: 35 ×10^-24cm³; (15)Surface Tension: 58.6 dyne/cm; (16)Density: 1.371 g/cm³; (17)Flash Point: 221.3 °C; (18)Enthalpy of Vaporization: 85.31 kJ/mol; (19)Boiling Point: 568.5 °C at 760 mmHg; (20)Vapour Pressure: 6.14E-13 mmHg at 25°C.

Uses of Pigment Violet 19: It is used as a pigment to make high performance paints. And it can also be used in artist's paints, including oils, acrylics, and watercolors. In addition, it can react with 2-iodo-propane to get 5,12-diisopropyl-5,12-dihydro-quino[2,3-b]acridine-7,14-dione. This reaction will need reagent 50percent NaOH, catalyst triethylbenzylammonium chloride and solvents toluene and H₂O. The reaction time is 32 hours at reaction temperature of 80 °C. The yield is about 50%.

You can still convert the following datas into molecular structure:
(1)SMILES: O=C4c5ccccc5Nc3cc2C(=O)c1c(cccc1)Nc2cc34
(2)InChI: InChI=1/C20H12N2O2/c23-19-11-5-1-3-7-15(11)21-17-10-14-18(9-13(17)19)22-16-8-4-2-6-12(16)20(14)24/h1-10H,(H,21,23)(H,22,24)
(3)InChIKey: NRCMAYZCPIVABH-UHFFFAOYAK

The toxicity data is as follows: