Maxcel^® AVB, Avobenzone

Maxcel^® AVB (Avobenzone) is an oil soluble ingredient used in sunscreen products to absorb the full spectrum of UVA rays. It is sensitive to the properties of the solvent, being relatively stable in polar protic solvents and unstable in nonpolar environments.

Brand Name: Maxcel^® AVB

INCI Name: Butyl Methoxydibenzoylmethane 

Molecular Formula: C₂₀H₂₂O₃

Molecular Weight: 310.39

CAS No.: 70356-09-1

Specifications:

Appearance: White crystalline powder

Identification A: Infrared Absorption 197K

Identification B: Ultraviolet Absorption 197U

Absorptivities at 360nm, do not differ by more than 3.0%

Loss on drying: ≤0.5%

Impurity: not more than 3.0% of any individual impurity is found，the sum of all the impurities is not more than 4.5%

Assay: 95.0%~105.0%

Residual solvents as Methanol: ≤3000ppm

Packing: in cardboard drum with inner PE bag containing 25kg net

Storage: keep away from light and moisture, should be stored in cool and dry place at room temperature.

Shelf life: 24 months

Maxcel^® AVB (Avobenzone) is widely used as a sunscreen ingredient, its ability to absorb ultraviolet light over a wider range of wavelengths than many others (maximum of 357 nm) leads to its use in many commercial preparations marketed as "broad spectrum" sunscreen.

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Disclaimer Statement：

The information provided herein is supplied in good faith and based on technical data which Chemaxcel believes to be reliable and accurate at the date of issuance. Suggestions for uses or applications are only opinions, and users are responsible for determining the suitability of the information herein and Chemaxcel products for their own particular purposes. No representation or warranty, express or implied, is made with respect to the completeness or accuracy of the information herein or with respect to Chemaxcel products, including without limitation warranties of merchantability or fitness for a particular purpose or non-infringement of any third party patent or other intellectual property rights, including without limit copyright, trademark, designs and photos. Any trademarks identified herein are trademarks of Chemaxcel Corporation.