Commercial grade castor oil is one of the standard& most common grades of castor oil, used for many industrial applications. It is also known as the industrial grade castor oil. It is a pale yellow, viscous, oily liquid insoluble in water. It contains more than 87% of a unique hydroxy fatty acid viz.Ricinoleic acid.
Industrial or commercial grade castor oil is obtained from a mixture of the first pressing and second phase of production - solvent extraction. It can act as a substrate for the preparation of other grades of castor oil including DCO, FSG castor oil, Turkey red oil and Pale pressed castor oil etc.