2-Methylnaphthalene

2-Methylnaphthalene
Names
	Preferred IUPAC name 2-Methylnaphthalene
	Other names β-methylnaphthalene
Identifiers
CAS Number	91-57-6 ;
3D model (JSmol)	Interactive image;
ChemSpider	6788;
ECHA InfoCard	100.001.890
PubChem CID	7055;
UNII	S8MCX3C16H ;
CompTox Dashboard (EPA)	DTXSID4020878 ;
	InChI InChI=1S/C11H10/c1-9-6-7-10-4-2-3-5-11(10)8-9/h2-8H,1H3 Key: QIMMUPPBPVKWKM-UHFFFAOYSA-N; InChI=1/C11H10/c1-9-6-7-10-4-2-3-5-11(10)8-9/h2-8H,1H3 Key: QIMMUPPBPVKWKM-UHFFFAOYAY;
	SMILES Cc1ccc2ccccc2c1;
Properties
Chemical formula	C11H10
Molar mass	142.201 g·mol−1
Magnetic susceptibility (χ)	-102.6·10−6 cm3/mol
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

2-Methylnaphthalene is a polycyclic aromatic hydrocarbon (PAH).

On February 22, 2014, NASA announced a greatly upgraded database for detecting and monitoring PAHs, including 2-methylnaphthalene, in the universe. According to NASA scientists, over 20% of the carbon in the universe may be associated with PAHs, possible starting materials for the formation of life. PAHs seem to have been formed shortly after the Big Bang, are abundant in the universe, and are associated with new stars and exoplanets.

Several enzymes biodegrade 2-methyhlnaphthalene in anaerobic conditions.

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