Title: Octocrylene
CAS Registry Number: 6197-30-4
CAS Name: 2-Cyano-3,3-diphenyl-2-propenoic acid 2-ethylhexyl ester
Additional Names: 2-ethylhexyl-2-cyano-3,3-diphenylacrylate
Trademarks: Eusolex OCR (Merck KGaA); Neo Heliopan 303 (Symrise); Uvinul 3039 (BASF)
Molecular Formula: C24H27NO2
Molecular Weight: 361.48
Percent Composition: C 79.74%, H 7.53%, N 3.87%, O 8.85%
Literature References: Photostable UV-B filter in sunscreens and cosmetics. Prepn: A. F. Strobel, S. C. Catino, BE 619809; eidem, US 3215724 (1962, 1965 both to General Aniline & Film Corp.). Toxicity study: M. R. Odio et al., Fundam. Appl. Toxicol. 22, 355 (1994). HPTLC determn in sun protection lotions: J. Fisher, J. Sherma, J. Planar Chromatogr. Mod. TLC 13, 388 (2000).
Properties: Clear yellow viscous liquid, bp0.9 205-209°. fp -10°. d25 1.05. uv max: 303 nm. Miscible in methanol, n-butanol, ethyl acetate, mineral oil, hexane, toluene. Immiscible in water.
Boiling point: bp0.9 205-209°
Absorption maximum: uv max: 303 nm
Density: d25 1.05
Use: Solvent for solid sunscreens. UV absorber for plastics and paints.
Therap-Cat: Ultraviolet screen.
Keywords: Ultraviolet Screen. |