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Chrysene

Chrysene^[1]

IUPAC name	Chrysene
Other names	Benzo[a]phenanthrene 1,2-Benzphenanthrene
Identifiers
CAS number	218-01-9
PubChem	10457109
EINECS number	205-923-4
RTECS number	GC0700000
SMILES	C12=CC=CC=C1C3=C(C(C=CC=C4)=C4C=C3)C=C2
InChI	InChI=1/C18H12/c1-3-7-15-13(5-1) 9-11-18-16-8-4-2-6-14 (16)10-12-17(15)18/h1-12H
Properties
Molecular formula	C₁₈H₁₂
Molar mass	228.28
Appearance	Orthorhombic bipyramidal plates
Density	1.274 g/cm³
Melting point	254 °C, 527 K, 489 °F
Boiling point	448 °C, 721 K, 838 °F
Solubility in water	Insoluble
Solubility in Ethanol	1 gm/1300 mL
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) Infobox disclaimer and references

Chrysene is a polycyclic aromatic hydrocarbon (PAH) with the molecular formula C₁₈H₁₂ that consists of four fused benzene rings. It is a natural constituent of coal tar, from which it was first isolated and characterized. It is also found in creosote, a chemical used to preserve wood.

Chrysene is formed in small amounts during the burning or distillation of coal, crude oil, and plant material.