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Template:Chembox header| Octocrylene
Chemical name 2-ethylhexyl 2-cyano-3,3-
Synonyms {{{Octocrylene, Octocrilene, Uvinul N-539}}}
Chemical formula C24H27NO2
Molecular mass 361.48 g/mol
CAS number [6197-30-4]
[[Negwer registry number] [12309 (9818)]
Density 1.05 g/cm3
Melting point 14 °C
Boiling point 218 °C at 1.5 mmHg
Template:Chembox header | Disclaimer and references

Octocrylene is an organic compound used as an ingredient in sunscreens and cosmetics. It is an ester formed by the condensation of a diphenylcyanoacrylate with 2-ethylhexanol. It is a viscous, oily liquid that is clear and colorless.

The extended conjugation of the acrylate portion of the molecule absorbs ultraviolet light, protecting skin from the harmful effects of exposure to sunlight. The ethylhexanol portion is a fatty alcohol, adding emollient and oil-like (water resistant) properties.

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