Avobenzone is an effective UV-A filter. The applications of Avobenzone with other UV-B filters have synergistic effect on the SPF value UV-A radiation (320-400nm) is linked with the loss of skin elasticity, wrinkling and premature aging, whilst the more powerful UV-B radiation (290-320nm) is linked to sunburn, cell damage and cancer risk. Useful as an absorber that helps provide Protection against UV-A rays from sun. Avobenzone is solvent soluble, Used for incorporation in wide range of sunscreen, skin care, personal care products & hair care products.
| Product name: | Avobenzone | |||
| Chemical name: | 4-t-butyl-4′-methoxy-dibenzoylmethane | |||
| INCI: | Butyl Methoxydibenzoylmethane | |||
| CAS: | 70356-09-1 | |||
| EINECS: | 274-581-6 | |||
| USAN: | Avobenzone | |||
| Chemical structure: |  |
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| UV-absorption range: | 310 – 380 nm | |||
| Molecular Formula: | C20H22O3 | |||
| Molecular weight: | 310.40 | |||
| Applications: | Assist in protection of skin from damaging UV-A radiation. Component of Sunscreens, make up creams, hand and face lotions. | |||
Technical Data
| Appearance: | White to pale yellow crystalline powder |
| Odor: | Characteristic faint aromatic odor |
| Absorbance (λ) (E 1%, 1cm, in methanol: | Min. 1100 at 357± 2 nm |
| Loss on drying: | <=0.5% (w/w) |
| Assay by GC /HPLC: | >= 95.0 – 105.0% (w/w) |
| Melting point: | Between 81°C to 86°C |
| Heavy metals content: | <= 20 ppm |
| Solubility: | Soluble in Acetone and hot methanol, insoluble in water |
| Known incompatibilities: | Avoid acid and alkaline chlorides, oxidizing agents |
| Regulatory status max concentration: | US: Up to 2-3%, Europe: Up to 5%, Japan: Up to 10%, China: Up to 5%, Canada: Up to 5% |
| Application information: | Soluble in oil and general hydrophobic solvents such as caprylic triglyceride, alkyl benzoate, liquid paraffin. Add to oil phase before emulsification, can be heated up to 80°C. |
| Pharmacopoeia information: | USP |
| Packaging: | 25 kg Carton Box |
| Storage recommendation: | Store away from incompatible substances. Incompabilities: Oxidizers (Strong): Fire and explosion hazard, protect from light. Shelf life three years from date of Original packaging under adequate storage conditions. |