Tài liệu tham khảo WikiPedia: Octan http://www.cdc.gov/niosh/npg/npgd0470.html http://www.ilo.org/public/english/protection/safew... http://www.ilo.org/public/english/protection/safew... http://physchem.ox.ac.uk/MSDS/OC/octane.html