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Acenaphthylene

Names
IUPAC name acenaphthylene
Other names Cycopenta(de)naphthalene, Acenaphthalene
Identifiers
CAS Number	208-96-8
3D model (JSmol)	Interactive image Interactive image
ChEBI	CHEBI:33081
ChemSpider	8807
ECHA InfoCard	100.005.380
PubChem CID	9161
UNII	1Z25C36811
CompTox Dashboard (EPA)	DTXSID3023845
InChI InChI=1S/C12H8/c1-3-9-4-2-6-11-8-7-10(5-1)12(9)11/h1-8HKey: HXGDTGSAIMULJN-UHFFFAOYSA-N InChI=1/C12H8/c1-3-9-4-2-6-11-8-7-10(5-1)12(9)11/h1-8HKey: HXGDTGSAIMULJN-UHFFFAOYAQ
SMILES c3cc1cccc2\C=C/c(c12)c3 c1cc2cccc3c2c(c1)C=C3
Properties
Chemical formula	C12H8
Molar mass	152.196 g·mol
Appearance	Yellow crystalline powder
Density	0.8987 g cm
Melting point	91.8 °C (197.2 °F; 364.9 K)
Boiling point	280 °C (536 °F; 553 K)
Solubility in water	Insoluble
Solubility in ethanol	very soluble
Solubility in diethyl ether	very soluble
Solubility in benzene	very soluble
Solubility in chloroform	soluble
Hazards
Flash point	?°C
Related compounds
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). Y verify (what is  ?) Infobox references

Acenaphthylene is a polycyclic aromatic hydrocarbon consisting of naphthalene with an ethylene bridge connecting positions 1 and 8. It is a constituent of coal tar. Reduction of the ethylene group gives the related compound acenaphthene. Unlike most polycyclic aromatic hydrocarbons, it has no fluorescence.

Notes

1. Acenaphthylene Fact Sheet
2. Safety (MSDS) data for acenaphthylene

External links

• Method for sampling and analysis
• National Pollutant Inventory - Polycyclic Aromatic Hydrocarbon Fact Sheet

• Polycyclic aromatic hydrocarbons