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Avobenzone

Avobenzone (trade names Parsol 1789, Milestab 1789, Eusolex 9020, Escalol 517, Neo Heliopan 357 and others, INCI Butyl Methoxydibenzoylmethane) is an oil-soluble ingredient used in sunscreen products to absorb the full spectrum of UVA rays.

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Further Information

Names

IUPAC name1-(4-Methoxyphenyl)-3-(4–butylphenyl)propane-1,3-dione

Other names

butylmethoxydibenzoylmethane; 4-tert-butyl-4′-methoxydibenzoylmethane

Identifiers

CAS Number: 70356-09-1

JSmol: Interactive image

ChEMBL: ChEMBL1200522

ChemSpider: 46261

ECHA InfoCard: 100.067.779

EC Number: 274-581-6

KEGG: D03015

PubChem: 51040

UNII: G63QQF2NOX

Properties

Chemical formula: C20H22O3

Molar mass: 310.39 g/mol

Appearance: colorless crystal

Supplementary data page

Structure and
properties: n

Thermodynamic
data: Phase behaviour

Spectral data: UV

Except where otherwise noted, data are given for materials in their(at 25 °C [77 °F], 100 kPa).Except where otherwise noted, data are given for materials in their(at 25 °C [77 °F], 100 kPa).