1.0 2010-04-08 22:10:06 UTC 2015-07-20 22:49:00 UTC FDB012304 Quinacridone FDA approved colourant for food-contact paper and board packaging Quinacridone is a red powder. It is an organic compound with the molecular formula C20H12N2O2. It is used as a pigment; analogs bearing this motif are known as quinacridones. 5,12-dihydro-Quino(2,3-b)acridine-7,14-dione 5,12-dihydro-Quino(2,3,b)acridine-7,14-dione 5,12-dihydro-Quino[2,3-b]acridine-7,14-dione 5,12-Dihydroquino(2,3-b)acridine-7,14-dione 5,12-Dihydroquino[2,3-b]acridine-7,14-dione C.I. Pigment Violet 19 CI Pigment Red 122 CI Pigment Violet 19 Cinquasia B-RT 796D Cinquasia red Cinquasia red b Cinquasia red y Cinquasia Red Y-RT 759D Cinquasia violet Cinquasia violet r Cinquasia Violet R-RT 791D Dark violet E 3B Red Fastogen super red BN Fastogen super red ye Hostaperm Red E 3B Hostaperm Red E 5B Hostaperm Red E5B Hostaperm red violet er Hostaperm Red Violet ER 02 Hostapern red violet er lin-trans-Quinacridone Linear quinacridone Linear trans quinacridone Monastral red Monastral red b Monastral red y Monastral Violet 4R Monastral violet r Monastrol red y Paliogen red BG Permanent magenta Permanent Red E 3B Permanent Red E 5B Permanent Red E3B Permanent Red E5B Pigment pink quinacridone s Pigment quinacridone red Pigment Violet #19 Pigment Violet 19 Pigment violet quinacridone PV Fast Red E 3B PV Fast Red E 5B PV Fast Red E3B PV Fast Red E5B PV-Fast Red E3B PV-Fast Red E5B Quinaccridone Quinacridone red Quinacridone red MC Quinacridone violet Quinacridone violet MC Quino(2,3-b)acridine-7,14-dione, 5,12-dihydro- Quino(2,3,b)acridine-7,14-dione, 5,12-dihydro- Quino[2,3-b]acridine-7,14-dione, 5,12-dihydro- Red E 3B Sunfast Red 19 Sunfast violet C20H12N2O2 312.3215 312.089877638 5,7,12,14-tetrahydro-5,12-diazapentacene-7,14-dione quinacridone 1047-16-1 O=C1C2=CC=CC=C2NC2=CC3=C(NC4=CC=CC=C4C3=O)C=C12 InChI=1S/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) NRCMAYZCPIVABH-UHFFFAOYSA-N belongs to the class of organic compounds known as pyridoacridines. Pyridoacridines are compounds containing a pyridoacridine ring system, which consists of a pyridine fused to an acridine. Pyridoacridines Organic compounds Organoheterocyclic compounds Quinolines and derivatives Benzoquinolines Aromatic heteropolycyclic compounds Acridones Azacyclic compounds Benzenoids Heteroaromatic compounds Hydrocarbon derivatives Hydroquinolines Hydroquinolones Organic oxides Organonitrogen compounds Organooxygen compounds Organopnictogen compounds Pyridines and derivatives Vinylogous amides Acridone Aromatic heteropolycyclic compound Azacycle Benzenoid Dihydroquinoline Dihydroquinolone Heteroaromatic compound Hydrocarbon derivative Organic nitrogen compound Organic oxide Organic oxygen compound Organonitrogen compound Organooxygen compound Organopnictogen compound Pyridine Pyridoacridine Vinylogous amide logp 4.39 ALOGPS logs -4.23 ALOGPS solubility 1.83e-02 g/l ALOGPS melting_point Mp 390° logp 6.43 ChemAxon pka_strongest_acidic 17.13 ChemAxon pka_strongest_basic -0.74 ChemAxon iupac 5,7,12,14-tetrahydro-5,12-diazapentacene-7,14-dione ChemAxon average_mass 312.3215 ChemAxon mono_mass 312.089877638 ChemAxon smiles O=C1C2=CC=CC=C2NC2=CC3=C(NC4=CC=CC=C4C3=O)C=C12 ChemAxon formula C20H12N2O2 ChemAxon inchi InChI=1S/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) ChemAxon inchikey NRCMAYZCPIVABH-UHFFFAOYSA-N ChemAxon polar_surface_area 58.2 ChemAxon refractivity 92.07 ChemAxon polarizability 33.63 ChemAxon rotatable_bond_count 0 ChemAxon acceptor_count 4 ChemAxon donor_count 2 ChemAxon physiological_charge 0 ChemAxon formal_charge 0 ChemAxon Specdb::CMs 15505 Specdb::CMs 135532 Specdb::CMs 143266 Specdb::MsMs 62622 Specdb::MsMs 62623 Specdb::MsMs 62624 Specdb::MsMs 119379 Specdb::MsMs 119380 Specdb::MsMs 119381 Specdb::MsMs 2703842 Specdb::MsMs 2703843 Specdb::MsMs 2703844 Specdb::MsMs 3001561 Specdb::MsMs 3001562 Specdb::MsMs 3001563 HMDB34058 #<Reference:0x000055ce319410d8>