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Oil Soluble Suncreen Ingredient Avobenzone

Cosmate®AVB ,Avobenzone,Butyl Methoxydibenzoylmethane. It is a derivative of dibenzoyl methane. A wider range of ultraviolet light wavelengths can be absorbed by avobenzone. It is present in a lot of broad-range sunscreens that are commercially available. It functions as a sunblock. A topical UV protector with a broad spectrum, avobenzone blocks UVA I, UVA II, and UVB wavelengths, reducing the damage that UV rays can do to the skin.

Avobenzone (BMDM, Butyl methoxydibenzoylmethane) is a sun screen chemical that offers broad-range protection against UVA rays.  Avobenzone absorbs both UV-(380-315 nm that is associated with long term skin damage) and UV-B (315-280 nm that causes sunburn) rays. Avobenzone is known as one of the most effective sunscreen ingredient.

Key Technical Parameters:

Appearance

White to pale yellow powder

Identity(IR)

Matches reference spectrum

Identity(Retention time)

Matches reference retention time

UV specific extinction(E1%1cm at 357 nm in ethanol)

1100~1180

Melting point

81.0℃~86.0℃

Loss on drying (%)

0.50max

Chromatographic purity GC

Each impurity(%)

3.0max

Total impurities(%)

4.5max

Assay(%)

95.0~105.0

Residual solvents

Methanol(ppm)

3,000max

Toluene(ppm)

890max

Microbial purity

Total amount of aerobe

100 CFU/g max

Total yeast and moulds

100CFU/g max

       
Applications: Sunscreens, Personal Care products, Sun care, Baby Sun care, Daily skin care, Decorative cosmetics with sun protection, Broad spectrum UV-A filter.