2-Methylnaphthalene

2-Methylnaphthalene is a simple polycyclic aromatic hydrocarbon (PAH). It is generally isolated from coal tar, of which it is a minor component.^[2]

2-Methylnaphthalene

Names
Preferred IUPAC name 2-Methylnaphthalene
Other names β-methylnaphthalene
Identifiers
CAS Number	91-57-6 Y
3D model (JSmol)	Interactive image
ChemSpider	6788
ECHA InfoCard	100.001.890
PubChem CID	7055
UNII	S8MCX3C16H Y
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
Appearance	Waxy white solid
Melting point	35 °C (95 °F; 308 K)
Boiling point	241.1 °C (466.0 °F; 514.2 K)[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

Uses

The quinone derivative, Menadione, can be formed by the oxidation of 2-methylnaphthalene and finds use as a synthetic form of vitamin K.^[3]

Astrochemistry

According to NASA, over 20% of the carbon in the universe may be associated with PAHs, possible starting materials for the formation of life.^[4] PAHs seem to have been formed shortly after the Big Bang, are abundant in the universe,^[5][6][7] and are associated with new stars and exoplanets.^[4]

See also

• 1-Methylnaphthalene