Our customer service representatives are available 24 hours a day, from Monday to Sunday.

Avobenzone

Online Inquiry
Catalog Number CI-SC-0555
Product Name Avobenzone
CAS 70356-09-1
Structure
Synonyms Butyl methoxydibenzoylmethane
Description Oil-soluble UVA filter. Ability to absorb ultraviolet light over a wider range of wavelengths than many other sunscreen agents. Absorption maximum of 357 nm.
Molecular Weight 310.4 g/mol
Molecular Formula C20H22O3
Melting Point 81.0-86.0 °C
Purity 97-104%
Density 1.079 g/ml
Solubility Water-insoluble, soluble in isopropanol, octocrylene, decyl oleate, capric/caprylic triglyceride, and other oils
Appearance Off-white to yellowish, crystalline powder, weak odor
Application Sun care products, baby sun care products, daily sun protection, decorative cosmetics.
Storage Store light-protected at a cool and dry place
Composition Butyl methoxydibenzoyl methane
Features And Benefits Oil-soluble UVA filterCan easily be combined with other sunscreens (e.g. octocrylene, homosalate, ethylhexyl salicylate, OM-cinnamate)
GMO GMO-free (does not contain plant-derived components)
HS Code 3304100000
INCI Butyl methoxydibenzoyl methane
Manufacture Avobenzone is produced synthetically by reacting 4-tert-butylbenzoic methyl ester (from 4-tert-butylbenzoic acid by esterification with methanol) with 4-methoxyacetophenone in toluene in the presence of sodium amide.
Preservation Preservative-free
Purity Grade No purity grade applicable
Raw Material Source 4-tert-butylbenzoic methyl ester and 4-methoxyacetophenone
Topological Polar Surface Area 43.4 Ų
Uses Incorporate into oil phase, allowed use levels: USA 3%, EU 5%, Brazil 5%, Japan 10%. Do not use avobenzone together with titanium dioxide and/or zinc oxide (avobenzone can lose its activity). Ions of heavy metals may induce colored complexes (use EDTA to avoid). Stearates, aluminum, zinc or magnesium salts may induce precipitations. For external use only.
Online Inquiry
Verification code