1-Methylnaphthalene

1-Methylnaphthalene[1]
IUPAC name 1-Methylnaphthalene
Other names α-methylnaphthalene
Identifiers
CAS number	90-12-0 Y
PubChem	7002
ChemSpider	6736 Y
EC number	201-966-8
KEGG	C14082 Y
ChEBI	CHEBI:50717 Y
ChEMBL	CHEMBL383808 Y
Jmol-3D images	Image 1
SMILES c1cccc2cccc(c12)C
InChI InChI=1S/C11H10/c1-9-5-4-7-10-6-2-3-8-11(9)10/h2-8H,1H3 Y Key: QPUYECUOLPXSFR-UHFFFAOYSA-N Y InChI=1/C11H10/c1-9-5-4-7-10-6-2-3-8-11(9)10/h2-8H,1H3 Key: QPUYECUOLPXSFR-UHFFFAOYAD
Properties
Molecular formula	C11H10
Molar mass	142.20 g/mol
Appearance	Liquid
Density	1.001 g/mL
Melting point	-22 °C, 251 K, -8 °F
Boiling point	240-243 °C, 270 K, -165 °F
Vapor pressure	4.91
Hazards
R-phrases	R22 R42 R43
S-phrases	S7 S36 S37 S39
Flash point	82 °C
Y (verify) (what is: Y/N?) Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)
Infobox references

1-Methylnaphthalene is an aromatic hydrocarbon. It has a cetane number of zero, and was previously used as the lower reference for cetane number. However, due to the expense and handling difficulty of 1-Methylnaphthalene, it was replaced in this capacity by isocetane, with a CN of 15.^[2]

References

External links

• PubChem Entry for 1-methylnaphthalene

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