Avobenzone

Avobenzone

Synonyms: Parsol 1789; Butyl methoxydibenzoylmethane; 1-(4-tert-butylphenyl)-3-(4-methoxyphenyl)propane-1,3-dione; 4-tert-Butyl-4'-methoxy-dibenzoylmethane
CAS NO.: 70356-09-1
Molecular Formula: C20H22O3
Molecular weight: 310.393 
Appearance: White or off-white crystalline powder
Assay(anhydride): ≥99%
Residue on ignition: ≤0.1%
PH: 2.6~4.1
Loss on drying: ≤0.5%
Melting point: 81-83℃
Related substances:≤1%
Heavy metals: ≤0.002%
Use: Cosmetic Raw Materials
Application: Used as Cosmetic raw material, Sun Screener, UV stabilizer.
Description:
Avobenzone is dibenzoyl methane derivative. It is oil soluble ingredient. Avobenzone has the ability to absorb ultraviolet light over wider range of wavelengths. It is included in many commercially available sunscreens which are used as wide spectrum sunscreens. Avobenzone is very sensitive to light, to increase its stability and duration of action, photostablizers are added in the sunscreen product. Avobenzone has an absorption maximum of 357 nm. Sunscreens containing avobenzone is indicated for providing protection from the sun. In addition to limiting the skin's exposure to the sun, using sunscreen agents may help reduce long-term sun damage such as premature aging of the skin and skin cancer.

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