Bisphenol FL
| Structural formula | |||||||||||||||||||
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| General | |||||||||||||||||||
| Surname | Bisphenol FL | ||||||||||||||||||
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| Molecular formula | C 25 H 18 O 2 | ||||||||||||||||||
| Brief description |
white solid |
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| properties | |||||||||||||||||||
| Molar mass | 350.42 g mol −1 | ||||||||||||||||||
| Physical state |
firmly |
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| Melting point |
223-227 ° C |
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| As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions . | |||||||||||||||||||
Bisphenol FL is a chemical compound from the group of bisphenols .
Extraction and presentation
Bisphenol FL is produced by reacting fluorenone and 2-phenoxyethanol in the presence of a heteropoly acid .
use
Bisphenol FL is a substitute for bisphenol A and is widely used as a plasticizer for polycarbonate and epoxy resins .
The reaction of bisphenol FL with phthalic acid chlorides produces a polymer from the polyarylate family .
toxicology
In 2017, Chinese researchers found bisphenol FL to have an anti-estrogenic effect. It was released in very small amounts (up to 81.47 ng · l −1 ) from polycarbonate drinking bottles .
Individual evidence
- ↑ a b c Electronic Materials , Ferrania Chemicals
- ↑ a b Bisphenol FL data sheet from Sigma-Aldrich , accessed on December 28, 2019 ( PDF ).
- ↑ Entry on 9,9-bis (4-hydroxyphenyl) fluorene in the Classification and Labeling Inventory of the European Chemicals Agency (ECHA), accessed on December 28, 2019. Manufacturers or distributors can expand the harmonized classification and labeling .
- ↑ Patent US8093434 : Crystal polymorph of fluorene derivative and production method thereof. Filed February 1, 2008 , published January 10, 2012 , Applicant: Taoka Chemical Company, Inventor: Katsuhiro Fujii, Kota Fukui.
- ↑ a b Zhaobin Zhang, Ying Hu, Jilong Guo, Tong Yu, Libei Sun, Xuan Xiao, Desheng Zhu, Tsuyoshi Nakanishi, Youhei Hiromori, Junyu Li, Xiaolin Fan, Yi Wan, Siyu Cheng, Jun Li, Xuan Guo, Jianying Hu : Fluorene-9-bisphenol is anti-oestrogenic and may cause adverse pregnancy outcomes in mice . In: Nature Communications . tape 8 , March 1, 2017, doi : 10.1038 / ncomms14585 ( PDF ).