Chemistry:Benzoyl fluoride

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Benzoyl fluoride
Identifiers
3D model (JSmol)
ChemSpider
EC Number
  • 207-244-9
UNII
Properties
C7H5FO
Molar mass 124.114 g·mol−1
Appearance colorless liquid
Density 1.14 g/cm3
Melting point -28 °C
Boiling point 160 °C
hydrolysis
Hazards
GHS pictograms GHS02: FlammableGHS05: Corrosive
GHS Signal word Danger
H226, H314
P210, P233, P240, P241, P242, P243, P260, P264, P280, P301+330+331, P302+361+354Script error: No such module "Preview warning".Category:GHS errors, P303+361+353, P304+340, P305+354+338Script error: No such module "Preview warning".Category:GHS errors, P316Script error: No such module "Preview warning".Category:GHS errors, P321, P363, P370+378, P403+235, P405, P501
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references
Tracking categories (test):

Benzoyl fluoride is an organic, aromatic compound of carbon, hydrogen, fluorine, and oxygen. It is the acyl fluoride of benzoic acid; its chemical formula is C
7
H
5
FO
. It was initially isolated by Alexander Borodin in 1863.[2][3][4]

Synthesis

Benzoyl fluoride can be prepared by the reaction of benzoyl chloride or benzoic anhydride with potassium fluoride,[5] or by using trifluorotoluene as a precoursor in presence of niobium pentoxide as a catalyst.[6]

Chemical properties

Benzoyl fluoride hydrolyzes in water to benzoic acid and reacts with alkalis to form salts:[7]

C
6
H
5
COF + H
2
O → C
6
H
5
COOH + HF
C
6
H
5
COF + 2NaOH → C
6
H
5
COONa + NaF + H
2
O

Physical properties

Benzoyl fluoride is a colorless liquid that is soluble in ethanol, diethyl ether, and acetone.

Uses

The compound can be used as an ionic liquid[8] and as a silicone depolymerization agent.

See also

References

  1. "Benzoyl fluoride" (in en). https://pubchem.ncbi.nlm.nih.gov/compound/67999#section=Safety-and-Hazards. 
  2. Borodine, A. (January 1863). "Zur Geschichte der Fluorverbindungen und über das Fluorbenzoyl". Justus Liebigs Annalen der Chemie 126 (1): 58–62. doi:10.1002/jlac.18631260105. https://chemistry-europe.onlinelibrary.wiley.com/doi/10.1002/jlac.18631260105. Retrieved 22 August 2025. 
  3. Olah, G. A.; Ohannesian, L.; Arvanaghi, M. (1987). "Formylating Agents". Chemical Reviews 87 (4): 671–686. doi:10.1021/cr00080a001. 
  4. Roscoe, Henry Enfield; Schorlemmer, Karl (1892) (in en). A Treatise on Chemistry. D. Appleton and Company. p. 170. https://www.google.ru/books/edition/A_Treatise_on_Chemistry/1VpKAAAAYAAJ?hl=en&gbpv=1&dq=%22Benzoyl+fluoride%22&pg=PA170&printsec=frontcover. Retrieved 23 August 2025. 
  5. Döhlert, Peter; Pfrommer, Johannes; Enthaler, Stephan (5 January 2015). "Recycling Concept for End-of-Life Silicones: Boron Trifluoride Diethyl Etherate as Depolymerization Reagent to Produce Difluorodimethylsilane as Useful Commodity". ACS Sustainable Chemistry & Engineering 3 (1): 163–169. doi:10.1021/sc500666d. Bibcode2015ASCE....3..163D. https://pubs.acs.org/doi/10.1021/sc500666d. Retrieved 22 August 2025. 
  6. Zakzeski, Joseph; Fan, Irene S.; Bell, Alexis T. (May 2009). "Preparation of benzoyl fluoride from benzotrifluoride catalyzed by niobium oxide". Chemistry:Applied Catalysis A: General 360 (1): 33–37. doi:10.1016/j.apcata.2009.02.042. Bibcode2009AppCA.360...33Z. https://www.cchem.berkeley.edu/~atbgrp/files/App%20Cat%20A%202009%20360%2034.pdf. 
  7. (in en) Nature: The International Journal of Science. Macmillan Publishers Limited, part of Springer Nature. 1891. p. 64. https://www.google.ru/books/edition/Nature/ubBWCDlfMZcC?hl=en&gbpv=1&dq=%22Benzoyl+fluoride%22&pg=PA64&printsec=frontcover. Retrieved 23 August 2025. 
  8. Jander, Gerhart; Schwiegk, Lothar (May 1961). "Benzoylfluorid als ionisierendes Lösungsmittel. I" (in de). Zeitschrift für anorganische und allgemeine Chemie 310 (1–2): 1–11. doi:10.1002/zaac.19613100102. ISSN 0044-2313. Bibcode1961ZAACh.310....1J. https://onlinelibrary.wiley.com/doi/10.1002/zaac.19613100102. Retrieved 22 August 2025.