Names
Preferred IUPAC name 6H-Benzo[cd]pyren-6-one
Other names pentacyclo[13.3.1.05,18.08,17.011,16]nonadeca-1,3,5(18),6,8(17),9,11(16),12,14-nonaen-19-one
Identifiers
CAS Number
3D model (JSmol)
ChemSpider
PubChem CID
UNII
CompTox Dashboard (EPA)
InChI InChI=1S/C19H10O/c20-19-14-5-1-3-11-7-9-13-10-8-12-4-2-6-15(19)17(12)18(13)16(11)14/h1-10HKey:CLIKSBRDCNSYNO-UHFFFAOYSA-N
SMILES O=C5c2cccc1ccc4c(c12)c3c5cccc3cc4
Properties
Chemical formulaC19H10O
Molar mass254.288g·mol−1
AppearancePale yellow needles[citation needed]
Density1.397 g/cm3
Structure
Crystal structureorthorhombic
Space groupP212121, No. 19
Lattice constanta=17.315 Å, b=3.973 Å, c=17.392 Å
Formula units ( Z )4
Except where otherwise noted, data are given for materials in their standard state (at 25°C [77°F], 100kPa). Infobox references