A broad class of substances containing carbon and its derivatives. Many of these chemicals will frequently contain hydrogen with or without oxygen, nitrogen, sulfur, phosphorus, and other elements. They exist in either carbon chain or carbon ring form.
Chemical compounds that contain carbon with the usual exception of carbon dioxide (CO2). (Greenfield, 1987, p. 214)
These are based on carbon compounds and form the backbone of the petrochemicals industry, while inorganic chemicals are non-carbon chemicals, such as mineral acids, alkalis, chlorine, hydrogen peroxide and various salts.