Title: Benzoresorcinol
CAS Registry Number: 131-56-6
CAS Name: (2,4-Dihydroxyphenyl)phenylmethanone
Synonyms: 2,4-dihydroxybenzophenone; 4-benzoylresorcinol; resbenzophenone; benzophenone-1
Trademarks: Uvinul 400 (BASF)
Molecular Formula: C13H10O3
Molecular Weight: 214.22
Percent Composition: C 72.89%, H 4.71%, O 22.41%
Literature References: Prepd from benzoyl chloride and resorcinol: Dobner,
Ann. 210, 246 (1881); by Fries rearrangement: Amin, Shah,
J. Indian Chem. Soc. 29, 351 (1952).
Properties: Needles from hot water, mp 144-145°. Practically insol in cold water. Easily sol in alcohol, ether, glacial acetic acid; scarcely sol in cold benzene.
Melting point: mp 144-145°
Use: Ultraviolet light absorber, esp in paints and plastics.