1-(4-tert-Butylphenyl)-3-(4-methoxyphenyl)-1,3-propanedione

Supplier: SPECTRUM CHEMICAL MFG CORP CA

Synonyms: Avobenzone, 1-(4-(tert-Butyl)phenyl)-3-(4-methoxyphenyl)propane-1,3-dione

A2682-100GM A2682-25GM A2682-5GM

CA700004-106EA 1129 CAD

CA700004-106 CA700004-108 CA700004-110

1-(4-tert-Butylphenyl)-3-(4-methoxyphenyl)-1,3-propanedione

1-(4-tert-Butylphenyl)-3-(4-methoxyphenyl)-1,3-propanedione

Avobenzone is an oil soluble ingredient used in sunscreen products to absorb the full spectrum of UVA rays. 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. Avobenzone has an absorption maximum of 357 nm. It appears as an odorless, yellowish solid.

Formula: C₂₀H₂₂O₃
MW: 310.39 g/mol
Storage Temperature: Ambient

MDL Number: MFCD00210252
CAS Number: 70356-09-1

Specification Test Results

Appearance	Slightly Yellow-
Assay	97.0 % min.
Melting Point	81 - 86°C

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