Octyl methoxycinnamate

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Template:Chembox E number
Octyl methoxycinnamate
IUPAC name (E)-3-(4-methoxyphenyl) prop-2-enoic acid 2-ethylhexyl ester
Other names Octyl methoxycinnamate
Octinoxate
Tinosorb OMC
Identifiers
3D model (JSmol)
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Properties
C18H26O3
Molar mass 290.397
Density 1.01 g/cm3
Melting point
Boiling point
Except where noted otherwise, data are given for
materials in their standard state
(at 25 °C, 100 kPa)

Infobox disclaimer and references

Octyl methoxycinnamate (INCI), or octinoxate (USAN), is an organic compound that is an ingredient in some sunscreens and lip balms. It is an ester formed from methoxycinnamic acid and 2-ethylhexanol. It is a clear liquid that is insoluble in water.

Its primary use is in suncreens and other cosmetics to absorb UV-B rays from the sun, protecting the skin from damage.

See also

One study has raised safety concerns about toxicity. http://www.soundfeelings.com/micro-skin-care/clinical_studies/omc_kills_skin_cells.htm.

References

  • Merck Index, 11th Edition, 6687.