Octocryleno
Octocryleno es un composito organic controversate usate in cremas solar (ca) o cosmetic. Es un ester obtenite per condensation de 2-ethylhexyl cyanoacetato con benzophenona (en). Es un liquido viscose, clar e sin color. Su formula chimic es C24H27NO2.
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| Commons: Octocrylene |
Le conjugation extendite del acrylato portion del molecula absorbe ultraviolette radios con longitudines de unda de 280 ad 320 nm (UVB e UVA de undas curte),[1] protegente pelle de un damno directe del ADN. Le ethylhexanol portion, un alcohol grasse, confere al producto un proprietate emolliente.
Securitate
modificarOctocryleno se degrada progessivemente[2] in benzophenona (en), un composito cancerogene, photomutageno e perturbator endocrin, conducente a un concentration significative de benzophenona in tote cremas testate.
In corallo, octocryleno se accumula in forma de conjugatos de acido grasse e genera un dysfunction mitochondrial.[3]
Regulation
modificarIn 2018, Palau prohibe vendita e uso de 3 filtros UV toxic pro corallo, includente octocryleno.[4]
In Francia, ANSES recommende le interdiction del octocryleno in cremas solar.[5]
Referentias
modificar- ↑ Smart Skin Care: Octocrylene
- ↑ per retroaldol condensation (en) secundo "Benzophenone Accumulates over Time from the Degradation of Octocrylene in Commercial Sunscreen Products" (7 March 2021). Chemical Research in Toxicology 34 (4): 1046–1054. doi:. PMID 33682414.
- ↑ "Metabolomics reveal that octocrylene accumulates in Pocillopora damicornis tissues as fatty acid conjugates and triggers coral cell mitochondrial dysfunction" (2019). Analytical Chemistry 91 (1): 990–995. doi:. PMID 30516955.
- ↑ RPPL No. 10-30: The Responsible Tourism Education Act of 2018 – PalauGov.pw.
- ↑ Crèmes solaires : l'Anses demande le retrait de l'octocrylène à cause de ses effets sur l'environnement. France Info (2023-07-07).