Avobenzone

Synonyms

4-tert-butyl-4'-methoxydibenzoylmethane; Butyl methoxydibenzoylmethane; 1,3-Propanedione, 1-(4-(1,1-dimethylethyl)phenyl)-3-(4-methoxyphenyl)-; 1-(4-(1,1-Dimethylethyl)phenyl)-3-(4-methoxyphenyl)-1,3-propanedione; 1-(p-tert-Butylphenyl)-3-(p-methoxyphenyl)-1,3-propanedione; Avobenzona [INN-Spanish]; Avobenzonum [INN-Latin]; Parsol 1789; [ChemIDplus]

Category

Sunscreens

Description

Solid; [Merck Index] Yellow to light tan crystalline powder; [MSDSonline]

Sources/Uses

Used as an ultraviolet sunscreen; [Merck Index]

Comments

It caused one positive photo patch tests in a series of 187 photosensitive patients; It has been used as a sunscreen in Europe for over 10 years, and both contact and photocontact reactions have been reported; [Marks, p. 214] May cause irritation; [MSDSonline]

Biomedical References

1.4E-06 mm Hg

Yes

PACD (photoallergic contact dermatitis)

Diseases

Occupational diseases associated with exposure to this agent:

• Contact dermatitis, allergic
• Contact dermatitis, photoallergic