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Avobenzone

Short Description:

Avobenzone is an oil-soluble ingredient used in sunscreen products to absorb the full spectrum of UVA rays.Avobenzone was patented in 1973 and was approved in the EU in 1978. Its use is approved worldwide. Pure avobenzone is a whitish to yellowish crystalline powder with a weak odor, dissolving in isopropanol, dimethyl sulfoxide,decyl oleate, capric acid/caprylic, triglycerides and other oils. It is not soluble in water.

  • Product Name: Avobenzone
  • INCI Name: Butyl Methoxydibenzoylmethane
  • CAS NO.: 70356-09-1
  • Molecular Formula: C20H22O3
  • Product Detail

    Why Choose YR Chemspec

    Product Tags

    Avobenzone (BMDM, Butyl methoxydibenzoylmethane) is a sun-A 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.

    Avobenzone

    Key Technical Parameters:

    Appearance

    White to pale yellow powder

    Identity(IR)USP<197>

    Matches reference spectrum

    Identity(Retention time) USP<621>

    Matches reference retention time

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

    Spectrophotometry USP<197U>

    1100~1180

    Melting point USP<741>

    81.0℃~86.0℃

    Loss on drying (%) USP<731>

    0.50max

    Chromatographic purity GC USP<621> Each impurity(%)

    3.0max

    Total impurities(%)

    4.5max

    Assay(%) GC USP<621>

    95.0~105.0

    Residual solvents Methanol(ppm)

    3000max

    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.


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