Английская Википедия:2,4,6-Tribromophenol

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2,4,6-Tribromophenol (TBP) is a brominated derivative of phenol. It is used as a fungicide, as a wood preservative, and an intermediate in the preparation of flame retardants.

Production

Although natural TBP has been identified in ocean sediments as a metabolite of marine fauna,[1] the commercial product is prepared industrially. In 2001, the production volume of TBP was estimated to be 2500 tonnes/year in Japan and 9500 tonnes/year worldwide.[2] TBP can be prepared by the controlled reaction of elemental bromine with phenol:[3]

Файл:2,4,6-tribromophenol synthesis.PNGШаблон:Clear-left

Uses

The predominant use of TBP is as an intermediate in the preparation of flame retardants such as brominated epoxy resins.[2] TBP is reacted with sodium hydroxide to form the sodium salt, which is used as a fungicide and wood preservative.[4][5]

Bismuth salt

The bismuth salt is the active ingredient in XeroformШаблон:Clarify dressing.[6]

Metabolism

Microbial metabolism in products treated with TBP is known to produce 2,4,6-tribromoanisole (TBA),[7] which has a musty odor. In 2010 and 2011, Pfizer and Johnson & Johnson voluntarily recalled some products due to TBA odors from wooden pallets which were treated with TBP.[8][9][10][11]

References

Шаблон:Reflist

  1. Шаблон:Cite journal
  2. 2,0 2,1 Ошибка цитирования Неверный тег <ref>; для сносок Inchem не указан текст
  3. Ошибка цитирования Неверный тег <ref>; для сносок Merck не указан текст
  4. Шаблон:Cite web
  5. Шаблон:Cite journal
  6. Шаблон:Cite web
  7. Шаблон:Cite journal
  8. 38,000 more bottles of Lipitor recalled over odor complaints, CNN.com, October 30, 2010
  9. Lipitor (atorvastatin) 40 mg: Recall Specific Bottles, drugs.com, Dec 23, 2010
  10. Tylenol Recall Expands, WebMD Health News, January 18, 2010
  11. McNeil Consumer Healthcare Announces Voluntary Recall Of One Product Lot Of TYLENOL® Extra Strength Caplets 225 Count Distributed In The U.S.