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Bemotrizinol

Bis-ethylhexyloxyphenol methoxyphenyl triazine Anisotriazine | NFPA-H = | NFPA-F = | NFPA-R = | NFPA-S =

Bemotrizinol (INN, USAN, INCI name bis-ethylhexyloxyphenol methoxyphenyl triazine, BEMT; marketed as EscalolS, Parsol Shield, and TinosorbS) is an oil-soluble organic compound that is added to sunscreens to absorb UV rays.

Bemotrizinol is a broad-spectrum UV absorber, absorbing both UVB and UVA rays. It has two absorption peaks, 310 and 340 nm.{{cite journal | doi-broken-date=16 July 2025| s2cid=29879472}} TinosorbS Aqua, recently developed by BASF, is bemotrizinol in a PMMA matrix dispersed in water. This makes it possible to add bemotrizinol to the water phase.

Bemotrizinol has strong synergistic effects on the SPF when formulated with bisoctrizole, ethylhexyl triazone, or iscotrizinol. It is the most effective UV absorber available measured by SPF, based on the maximum concentration permitted by European legislation.{{cite journal

In 2025, the United States Food and Drug Administration proposed to approve bemotrizinol for use in sunscreens. It has been approved in the European Union since 2000 and some other parts of the world, including Australia.

Unlike some other organic sunscreen actives, it shows no estrogenic effects in vitro.

References

References

  1. "Archived copy".
  2. "Home".
  3. "Home".
  4. "basf-chemtrade.de".
  5. (September 2019). "BASF – Global Home}} {{dead link".
  6. McPhillips, Deidre. (2025-12-11). "FDA proposes adding sunscreen ingredient commonly used in Europe, Asia to list of permitted products".
  7. (2001). "Über den Lichtschutzfaktor hinaus - neue effiziente und photostabile UVA-Filter". Bundesgesundheitsblatt - Gesundheitsforschung - Gesundheitsschutz.
  8. (April 11, 2005). "NEW-WAVE SUNSCREENS: Active ingredient makers are frustrated by the long list of sunscreens and UV-A testing protocols that are still awaiting FDA decisions". [[Chemical & Engineering News]].
  9. "Australian Regulatory Guidelines for OTC Medicines - Chapter 10".
  10. (December 2001). "Lack of binding to isolated estrogen or androgen receptors, and inactivity in the immature rat uterotrophic assay, of the ultraviolet sunscreen filters Tinosorb M-active and Tinosorb S". [[Regul Toxicol Pharmacol]].
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This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page.

sunscreening-agents triazines phenols 4-methoxyphenyl-compounds
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