Avobenzone Properties, Molecular Formula, Applications - WorldOfChemicals

Avobenzone Properties


ARDEX AF 2300-Product_Structure
Molecule Structure Image



Avobenzone is an oil soluble ingredient used in sunscreen products to absorb the full spectrum of UVA rays. It is a dibenzoylmethane derivative. It exists in the ground state as a mixture of the enol and keto forms, favoring the chelated enol. Its ability to absorb ultraviolet light over a wider range of wavelengths than many organic sunscreen agents has led to its use in many commercial preparations marketed as broad spectrum sunscreens.

Chemical Properties

Appearance White powder
Brand Name Parsol 1789;Eusolex 9020;Escalol 517
CAS Number 70356-09-1
Density 1.079 g/cm3
EINECS Number 274-581-6
HS Code 29145000
IUPAC Name 1-(4-Methoxyphenyl)-3-(4-tert-butylphenyl)propane-1,3-dione
InChI 1S/C20H22O3/c1-20(2,3)16-9-5-14(6-10-16)18(21)13-19(22)15-7-11-17(23-4)12-8-15/h5-12H,13H2,1-4H3
Melting Point 81-84 °C
Molar Mass 310.39 g/mol
Molecular Formula C20H22O3
Synonyms Butylmethoxydibenzoylmethane;4-tert-Butyl-4'-methoxydibenzoylmethane;Avobenzone
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