Tetramethyl bisphenol F explained

Tetramethyl bisphenol F (TMBPF) is a new coating intended as a safer replacement[1] for bisphenol A and bisphenol F to use in epoxy linings of aluminium cans and steel cans. It was previously suggested as an insulator in electronic circuit boards.[2]

Polymerization of tetramethyl bisphenol F occurs with epichlorohydrin when heated between 40 and 70 °C using an alkali as a catalyst to form the resin used as a coating.[3]

Health and environmental effects

Causes serious eye irritation. May cause respiratory and skin irritation. Very toxic to aquatic life.[4]

Human endocrine effects

TMBPF does not have any effect on the endocrine system; it does not leach out of cans because unlike BPA it is fully polymerized when deposited on the metal, so there is no free chemical to leach out.[2] Tetramethyl bisphenol F was tested on rats to see if there were effects like male or female hormones. It had almost no effects like this.[5] However, a different study did find effects.[6]

Notes and References

  1. Szafran . Adam T. . Stossi . Fabio . Mancini . Maureen G. . Walker . Cheryl L. . Mancini . Michael A. . 2017-07-13 . Characterizing properties of non-estrogenic substituted bisphenol analogs using high throughput microscopy and image analysis . PLOS ONE . 12 . 7 . e0180141 . 10.1371/journal.pone.0180141 . 5509144 . 28704378. 2017PLoSO..1280141S . free .
  2. Cornwall . Warren . To replace controversial plastic additive BPA, a chemical company teams up with unlikely allies . Science . 23 January 2020 . 10.1126/science.aba9956 . 213508417 . 8 December 2020.
  3. Web site: Preparation method of tetramethyl bisphenol F epoxy resin . 2020-08-11 . Google Patents . Google Patents.
  4. Web site: Safety Data Sheet . Toronto Research Chemicals Inc. . 8 December 2020 . October 11, 2019.
  5. Maffini . Maricel V. . Canatsey . Ryan D. . An expanded toxicological profile of tetramethyl bisphenol F (TMBPF), a precursor for a new food-contact metal packaging coating . Food and Chemical Toxicology . January 2020 . 135 . 110889 . 10.1016/j.fct.2019.110889. 31629790 . free .
  6. Web site: TMBPF as BPA alternative for coating epoxies Food Packaging Forum . www.foodpackagingforum.org. 30 November 2018 .

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