What are the constituents of crude oil?

The most common aromatic in crude oil is benzene, a popular building block in the petrochemical industry. Because crude oil is a mixture of such widely varying constituents and proportions, its physical properties also vary widely. In appearance, for instance, it ranges from colourless to black. read more

Petroleum or crude oil is a complex mixture of hydrocarbons and other chemicals. The composition varies widely depending on where and how the petroleum was formed. In fact, a chemical analysis can be used to fingerprint the source of the petroleum. read more