Title: Octabenzone
CAS Registry Number: 1843-05-6
CAS Name: [2-Hydroxy-4-(octyloxy)phenyl]phenylmethanone
Additional Names: 2-hydroxy-4-(octyloxy)benzophenone; benzophenone-12
Trademarks: Spectra-Sorb UV 531 (Am. Cyanamid)
Molecular Formula: C21H26O3
Molecular Weight: 326.43
Percent Composition: C 77.27%, H 8.03%, O 14.70%
Literature References: Prepn: Armitage et al., US 3098842 (1963 to du Pont).
Properties: Crystals, mp 45-46°.
Melting point: mp 45-46°
Use: To stabilize polyethylene against deterioration by ultraviolet light.
Therap-Cat: Ultraviolet screen.
Keywords: Ultraviolet Screen.