6769. Octyl Methoxycinnamate

Nomenclature

CAS number: 5466-77-3
3-(4-Methoxyphenyl)-2-propenoic acid 2-ethylhexyl ester; 2-ethylhexyl p-methoxycinnamate; octinoxate; Eusolex 2292 (Merck KGaA); Neo Heliopan AV (Symrise); Parsol MCX (DSM); Uvinul MC 80 (BASF).
C18H26O3; mol wt 290.40.
C 74.45%, H 9.02%, O 16.53%.

Description and references

UV-B blocker. Manuf process and purification: P. Schudel et al., US 4713473 (1987 to Givaudan). Use in sunscreen preparations: D. H. Liem, L. T. H. Hilderink, Int. J. Cosmet. Sci. 1, 341 (1979). Assessment of photostability: R. Aberturas et al., Boll. Chim. Farm. 126, 208 (1987); A. Deflandre, G. Lang, Int. J. Cosmet. Sci. 10, 53 (1988). HPLC determn in cosmetics: L. Gagliardi et al., J. Chromatogr. 408, 409 (1987). Effect of reflectance of light on protection of skin: G. J. Smith et al., Photochem. Photobiol. 75, 122 (2002).

Chemical structure

Properties

bp at 1 mbar: 185-195°; bp at 0.1 mbar: 140-150°.

Therapeutic Category

Ultraviolet screen.

Keywords

Ultraviolet Screen