Title 27 California code of regulations chapter 1 safe drinking water and toxic enforcement act of 1986 article 7 no significant risk levels. California: California Environmental Protection Agency; 2011 Oct [cited 2012 Mar 11]. Available from: http://www.oehha.ca.gov/prop65/law/pdf_zip/1007114MEI.pdf.
Center for Science in the Public Interest. Petition to the U.S. Food and Drug Administration to bar the use of caramel colorings produced with ammonia and containing the carcinogens 2-methylimidazole and 4-methylimidazole. 2011 Feb 16. Available from: http://cspinet.org/new/pdf/caramelcoloring_petition.pdf.
Entrée « 4-Methylimidazole » dans la base de données de produits chimiques GESTIS de la IFA (organisme allemand responsable de la sécurité et de la santé au travail) (allemand, anglais), accès le 9 mars 2012 (JavaScript nécessaire)
