IUPAC International Union of Pure and Applied Chemistry Common names kept:methane,ethane, propane,butane. ·Alkanes:suffix“-ane”will be used after the number of carbons. -Example:An alkane with5 carbons is“penta” for five and the suffix "-ane": pentane Chapter 3 8 Chapter 3 8 IUPAC • International Union of Pure and Applied Chemistry • Common names kept: methane, ethane, propane, butane. • Alkanes: suffix “-ane” will be used after the number of carbons. – Example: An alkane with 5 carbons is “penta” for five and the suffix “-ane”: pentane