Abstract
Abstracttrans-Cinnamic alcohol with sodium dodecyl sulfate, polyoxyethylene-10-oleyl ether, or polyoxyethylene sorbitan mono-oleate, which are commonly used in sunscreen formulations as surfactants, was irradiated in an aqueous solution by ultraviolet light (λ=300 nm). The photoreaction products were isolated using a simultaneous steam distillation-solvent extraction and then analyzed by gas chromatography and gas chromatography /mass spectrometry. Small but significant effects of surfactants on the photochemical reactions of trans-cinnamic alcohol were observed. Increased rates of production of rearrangement products of trans-cinnamic alcohol were found with 0.01 M sodium dodecyl sulfate (SDS) compared to those in the absence of surfactant. Both benzaldehyde and ben-zoic acid showed slightly greater increases after 3 hr irradiation in 2% polyoxyethylene-10-oleyl ether (Brij 96), whereas the rate of cis-trans isomerization of trans-cinnamic alcohol appeared to be greater in 2% polyoxyethylene sorbitan mon...
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More From: Journal of Toxicology: Cutaneous and Ocular Toxicology
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