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HomeProduct name list4,4'-DIFLUOROBENZIL

4,4'-DIFLUOROBENZIL

  • CAS NO.:579-39-5
  • Empirical Formula: C14H8F2O2
  • Molecular Weight: 246.21
  • MDL number: MFCD00134541
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-12-18 14:08:57
4,4'-DIFLUOROBENZIL Structural

What is 4,4'-DIFLUOROBENZIL?

Chemical properties

pale yellow powder

The Uses of 4,4'-DIFLUOROBENZIL

4,4′-Difluorobenzil is suitable for use in the preparation of 2,3-bis(4-fluorophenyl)thieno[3,4-b]pyrazine. It may be used in the synthesis of following:

  • poly(ether-α-diketone)s, via nucleophilic substitution reaction with bisphenol A
  • 4,4′-difluoro-2,3-diphenylpyrazine (DPPF) and 4,4′-difluoro-5-methyl 2,3-diphenylpyrazine (MDPPF), via direct condensation with ethylenediamine and 1,2-diaminopropane, respectively
  • 2,3-bis(4-fluorophenyl)quinoxaline, via direct condensation with 1,2-phenylenediamine

Synthesis Reference(s)

Tetrahedron Letters, 35, p. 2959, 1994 DOI: 10.1016/S0040-4039(00)76671-8

General Description

4,4′-Difluorobenzil is a benzil derivative. Its reaction with benzylurea and phenethylurea has been investigated. It is reported to undergo condensation with Fe2(SH)2(CO)6 to afford the adduct Fe2[S2C2(OH)2(C6H4-4-F)2](CO)6.

Properties of 4,4'-DIFLUOROBENZIL

Melting point: 120-122 °C (lit.)
Boiling point: 370.2±27.0 °C(Predicted)
Density  1.3163 (estimate)
storage temp.  Sealed in dry,Room Temperature
form  powder to crystal
color  Light orange to Yellow to Green
Water Solubility  Soluble in water.
BRN  1971736
CAS DataBase Reference 579-39-5(CAS DataBase Reference)
EPA Substance Registry System Ethanedione, bis(4-fluorophenyl)- (579-39-5)

Safety information for 4,4'-DIFLUOROBENZIL

Signal word Warning
Pictogram(s)
ghs
Exclamation Mark
Irritant
GHS07
GHS Hazard Statements H315:Skin corrosion/irritation
H319:Serious eye damage/eye irritation
H335:Specific target organ toxicity, single exposure;Respiratory tract irritation
Precautionary Statement Codes P261:Avoid breathing dust/fume/gas/mist/vapours/spray.
P264:Wash hands thoroughly after handling.
P264:Wash skin thouroughly after handling.
P280:Wear protective gloves/protective clothing/eye protection/face protection.
P304+P340:IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.
P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P405:Store locked up.

Computed Descriptors for 4,4'-DIFLUOROBENZIL

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