Pentadecane is a straight-chain alkane with the chemical formula C15H32. It consists of 15 carbon atoms connected by single bonds, making it part of the alkane family. Pentadecane is a colorless liquid at room temperature and is commonly found in various natural sources, including certain types of crude oil. This compound is often used in scientific research and industrial applications, such as in the production of fuels and lubricants. Pentadecane can also serve as a standard in gas chromatography, a technique used to separate and analyze compounds in a mixture.