2-Methylnaphthalene

2-methylnaphthalene.svg skin-invert-image 200px 2-Methylnaphthalene β-methylnaphthalene 91-57-6 correct CAS correct FDA S8MCX3C16H 7055 Cc1ccc2ccccc2c1 6788 1/C11H10/c1-9-6-7-10-4-2-3-5-11(10)8-9/h2-8H,1H3 QIMMUPPBPVKWKM-UHFFFAOYAY 1S/C11H10/c1-9-6-7-10-4-2-3-5-11(10)8-9/h2-8H,1H3 QIMMUPPBPVKWKM-UHFFFAOYSA-N 11 10 Waxy white solid 35 241.1 Feldman Julian Orchin Milton Separation of 1- and 2-Methylnaphthalenes by Azeotropic Distillation Industrial & Engineering Chemistry December 1952 44 12 2909–2914 10.1021/ie50516a041 −102.6·10−6 cm3/mol 2-Methylnaphthalene is a simple polycyclic aromatic hydrocarbon (PAH). It is generally isolated from coal tar, of which it is a minor component.Gerd Collin Hartmut Höke Helmut Greim Naphthalene and Hydronaphthalenes 2003 doi10.1002/14356007.a17_001.pub2. Uses The quinone derivative, Menadione, can be formed by the oxidation of 2-methylnaphthalene and finds use as a synthetic form of vitamin K.de Souza Acácio S Ribeiro Ruan Carlos B Costa Dora C S Pauli Fernanda P Pinho David R de Moraes Matheus G da Silva Fernando de C Forezi Luana da S M Ferreira Vitor F Menadione: a platform and a target to valuable compounds synthesis Beilstein Journal of Organic Chemistry 11 April 2022 18 381–419 10.3762/bjoc.18.43 9039524 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.Hoover Rachel Need to Track Organic Nano-Particles Across the Universe? NASA's Got an App for That http://www.nasa.gov/ames/need-to-track-organic-nano-particles-across-the-universe-nasas-got-an-app-for-that/ February 21, 2014 NASA February 22, 2014 May 10, 2020 https://web.archive.org/web/20200510124801/https://www.nasa.gov/ames/need-to-track-organic-nano-particles-across-the-universe-nasas-got-an-app-for-that/ dead PAHs seem to have been formed shortly after the Big Bang, are abundant in the universe,Carey Bjorn Life's Building Blocks 'Abundant in Space' http://www.space.com/1686-life-building-blocks-abundant-space.html October 18, 2005 Space.com March 3, 2014 Hudgins Douglas M. Bauschlicher Jr Charles W. Allamandola L. J. Variations in the Peak Position of the 6.2 μm Interstellar Emission Feature: A Tracer of N in the Interstellar Polycyclic Aromatic Hydrocarbon Population October 10, 2005 Astrophysical Journal 632 1 316–332 10.1086/432495 free 2005ApJ...632..316H Allamandola, Louis Cosmic Distribution of Chemical Complexity http://amesteam.arc.nasa.gov/Research/cosmic.html April 13, 2011 NASA March 3, 2014 etal dead https://web.archive.org/web/20140227184503/http://amesteam.arc.nasa.gov/Research/cosmic.html February 27, 2014 and are associated with new stars and exoplanets. Safety The LD50 for 2-methylnaphthalene is low, being 3850 mg/kg (rats).Collin Gerd Höke Hartmut Greim Helmut Ullmann's Encyclopedia of Industrial Chemistry Naphthalene and Hydronaphthalenes 2003 10.1002/14356007.a17_001.pub2 978-3-527-30385-4 See also 1-Methylnaphthalene References Category:2-Naphthyl compounds Category:Aromatic hydrocarbons