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Acenaphthene



Acenaphthene
IUPAC name 1,8-Dihydroacenaphthalene
Other names Acenaphthene, 1,8-ethylenenaphthalene, peri-ethylenenaphthalene, naphthyleneethylene, 1,2-dihydroacenaphthylene
Identifiers
CAS number 83-32-9
PubChem 6734
EINECS number 201-469-6
RTECS number AB000000
SMILES c1cc2cccc3CCc(c1)c23
InChI InChI=1/C12H10/c1-3-9-4-2-6-11-8-7-10(5-1)12(9)11/h1-6H,7-8H2
Properties
Molecular formula C12H10
Molar mass 154.21 g/mol
Appearance White or pale yellow crystalline powder
Density 1.024 g/cm³
Melting point

93 - 95 °C

Boiling point

280 °C

Solubility in water Insoluble
Hazards
NFPA 704
1
2
1
 
R-phrases R36 R37 R38
S-phrases S26 S36
Flash point 125 °C
Except where noted otherwise, data are given for
materials in their standard state
(at 25 °C, 100 kPa)
Infobox disclaimer and references

Acenaphthene is a polycyclic aromatic hydrocarbon (PAH) consisting of naphthalene with an ethylene bridge connecting positions 1 and 8. An alternative name, 1,2-dihydroacenaphthylene, emphasizes that it is a hydrogenated form of acenaphthylene. It is a constituent of coal tar.

Acenaphthene was prepared the first time from coal tar by Marcellin Berthelot and after that with Bardy he synthesized it from α-ethyl naphthalene.

It is used in preparation of dyes, pesticides and pharmaceuticals.

It does not appear to be carcinogenic.

 
This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Acenaphthene". A list of authors is available in Wikipedia.
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