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Aako BV
P.O. Box 205
3830 AE Leusden
The Netherlands
KvK 31009627

AakoSun AVB

CAS number:
Butyl Methoxydibenzoylmethane
EINECS number:
Organic UV filters
Technical datasheet
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Product description

Chemical name 1-(4-Methoxyphenyl)-3-(4-tert.-butyl phenyl)propan-1,3-dione
Formula C20H22O3; MW 310,4 g/mol
UVA I Absorber Oil soluble

AakoSun AVB is an oil-soluble UV-A filter that is approved for use in sun care preparations in many countries, e.g. the USA, EU and Japan.

AakoSun AVB can be used in protective hair compositions and it acts as a photostabilizer for different cosmetic products. Because of its hydrophobic nature and its solubility in oil, it is particularly suitable for water-repellent and water-resistant formulations. It can be combined with other oil-soluble UV filters such as Octyl-p-Methoxycinnamate (AakoSun OMC) to provide broad spectrum of UV-A and UV-B protection

Analytical data


Assay (GC) 95,0% - 105%
Melting range 81°C - 86 °C
Residual solvents Methanol: 3000ppm max.
Loss on drying Max. 0,5%
Appearance White crystalline powder
Storage At room temperature, humidity should be less then 65%
Shelf Life 2 Years from manufacturer date


Regulatory status


EU 5% max.
Canada 5% max.
USA 3% max.
Australia Approved
Japan 10% max
South Africa 5% max
Brazil 5% max


Other names: Avobenzone, Parsol 1789, Eusolex 9020, BMDBM

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Aako BV
P.O. Box 205
3830 AE Leusden
The Netherlands
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