China wholesale High Quality CAS No.: 70356-09-1 Avobenzone with Top Purity

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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.