1-Methylnaphthalene Identifiers CAS number PubChem ChemSpider EC number KEGG ChEBI ChEMBL Jmol-3D images Image 1 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
240-243 °C, 270 K, -165 °F
Vapor pressure 4.91 Hazards R-phrases S-phrases Flash point 82 °C (what is: /?)
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)
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.
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