Escalol 587 is a secondary UV-B absorber used in high-SPF formulas. Oil-soluble. Excellent solubiliser and coupler for other sunscreen actives.
CAS: 6969-49-9
MF: C15H22O3
MW: 250.33
EINECS: 230-190-2
Chemical name: Ethylhexyl Salicylate/2-Ethylhexyl Salicylate/Octyl salicylate
Appearance: Pale yellow liquid
Density: 1.014 g/cm3
Melting point <25 °C
Boiling point 189 °C(302 @3 mm Hg°F)
Specific Gravity 1.013-1.022 @25°C
Flash Point (°F) >203
Solubility: Insoluble in Water
U.S. approved use level is up to 5% alone and 3-5% when used in combination with other actives. It is an ester formed by the condensation of a salicylic acid with 2-ethylhexanol.
E.U. approved use level: up to 5.0%.
Use level in combination with other sunscreen actives: 3.0%
The salicylate 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. It is a colorless oily liquid with a slight floral odor.
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