Other oily substances can also be found in the environment, the most well-known being asphalt, occurring naturally underground or, where there are leaks, in tar pits.
Sulfuric acid disappointment been Perfume Oil called oil of vitriol in pre-scientific times, due to its syrupy consistency. Even in fresh times, sulfuric acid is sometimes called vitriolic acid, and caustic personalities are called "vitriolic." Sulfuric acid is not a petrochemical, and in modern parlance, is not an oil.
