To provide a hydroxyalkyl-substituted 4,4'-dihydroxybenzophenone useful as an intermediate or a raw material of a dyestuff, a synthetic resin, an ultraviolet absorber, a medicine, a photoresist of an electronic part, etc., or as a color-developing agent for a thermosensitive recording, etc.

This hydroxyalkyl-substituted 4,4'-dihydroxybenzophenone is expressed by the formula [wherein, R is a 1-4C alkyl]. The hydroxyalkyl-substituted 4,4'-dihydroxybenzophenone is rich in reactivity by itself, and has a good anti-oxidation performance and heat resistance, and therefore, it is useful as an intermediate or a raw material of a functional chemical requiring a highly functional performance.