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Homosalate

Homosalate

IUPAC name	3,3,5-Trimethylcyclohexyl 2-hydroxybenzoate
Other names	Homosalate
Identifiers
CAS number	118-56-9
SMILES	OC1=CC=CC=C1C(OC2CC(C)CC(C)(C)C2)=O
Properties
Molecular formula	C₁₆H₂₂O₃
Molar mass	262.36 g/mol
Density	1.045 g/cm³
Melting point	<25 °C
Boiling point	161-165 °C at 4 mmHg
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) Infobox disclaimer and references

Homosalate is an organic compound used in some sunscreens. It is an ester formed from salicylic acid and 3,3,5-trimethylcyclohexanol, a derivative of cyclohexanol. It is found in many Coppertone products.

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The salicylic acid portion of the molecule absorbs ultraviolet rays with a wavelength from 295nm to 315nm, protecting the skin from sun damage. The hydrophobic cyclohexanol portion provides greasiness that prevents it from dissolving in water.