1-methylnaphthalene
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1-methylnaphthalene[1] | |
---|---|
IUPAC name | 1-Methylnaphthalene |
Other names | α-methylnaphthalene |
Identifiers | |
CAS number | [90-12-0] |
PubChem | |
EINECS number | |
SMILES | CC1=CC=CC2=CC=CC=C12 |
InChI | InChI=1/C11H10/c1-9-5-4-7-10-6-2-3-8-11(9)10/h2-8H,1H3 |
Properties | |
Molecular formula | C11H10 |
Molar mass | 142.1971 |
Appearance | Liquid |
Density | 1.001 g/mL |
Melting point |
−22°C |
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 |
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) Infobox disclaimer and 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].