4,4'-Difluorobenzil

HCID 123072CAS 579-39-5

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Grundinformationen

Standard-SMILES: O=C(C(=O)c1ccc(F)cc1)c1ccc(F)cc1
InChIKey: BRKULQOUSCHDGS-UHFFFAOYSA-N
Summenformel: C14H8F2O2
Durchschnittliche Molmasse: 246,21 g/mol
Monoisotopische Masse: 246,04923594

Namen und Bezeichner

Bevorzugter Name: 4,4'-Difluorobenzil
IUPAC: 1,2-bis(4-fluorophenyl)ethane-1,2-dione
Englischer Name: 4,4'-Difluorobenzil
Summenformel: C14H8F2O2
Molmasse: 246.21

Namen und Synonyme

4,4'-DifluorobenzilRefChem:506643628-355-2579-39-51,2-bis(4-fluorophenyl)ethane-1,2-dione4,4'-DifluorodibenzoylEthanedione, bis(4-fluorophenyl)-difluorobenzilMFCD00134541bis(4-fluorophenyl)ethane-1,2-dione1,2-Bis(4-fluorophenyl)-1,2-ethanedione4,4'-Difluorobenzil, 98%

Weitere Namen anzeigen

4,4'-FLUOROBENZILp,p'-Difluorobenzil4,4'- difluorobenzoyl4,4'-Difluorobenzil>4,4'-DIFLUOROBIBENZOYL4,4'-Difluorobenzil,99%4,4'-Difluorobenzil, 98+%BIS(P-FLUOROPHENYL)ETHANEDIONE

CHEMBL192410AKOS001076199D22921,2-Bis(4-fluorophenyl)-1,2-ethanedione #4,4 inverted exclamation mark -Difluorobenzil4,4'-Difluorobibenzoyl4,4'difluorobenzilBenzil-based compound, 8

Datenbank-Bezeichner

CAS: 579-39-5
PubChem CID: 123072
DTXSID: DTXSID3060374
ChEMBL: CHEMBL192410
EC Number: 628-355-2
Nikkaji: J534.077B

Eigenschaften

Berechnete Struktureigenschaften

XLogP: 3,6
Polarare Oberfläche (TPSA): 34,1 Å²
H-Brücken-Donoren: 0
H-Brücken-Akzeptoren: 4
Frei drehbare Bindungen: 3
Schwere Atome: 18
Formalladung: 0
Komplexität: 282

Physikochemische Eigenschaften

Schmelzpunkt: 120 · 120-122 °C (lit.)
Siedepunkt: 370.2 · 370.2±27.0 °C(Predicted)
Dichte: 1.3163 · 1.3163 (estimate)
storage temp.: Sealed in dry,Room Temperature
Aggregatzustand: powder to crystal
Farbe: Light orange to Yellow to Green
Wasserlöslichkeit: Soluble in water.
BRN: 1971736 · 1971736
InChI: InChI=1S/C14H8F2O2/c15-11-5-1-9(2-6-11)13(17)14(18)10-3-7-12(16)8-4-10/h1-8H
InChIKey: BRKULQOUSCHDGS-UHFFFAOYSA-N
SMILES: C(C1=CC=C(F)C=C1)(=O)C(C1=CC=C(F)C=C1)=O
CAS Datenbank: 579 · 579-39-5(CAS DataBase Reference)
EPA chemische Informationen: Ethanedione, bis(4-fluorophenyl)- (579-39-5)

Sicherheit und Regulatorisches

GHS-Klassifizierung

GHS Classification · 4 Einträge

Warning

H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]

P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)

Aggregated GHS information provided per 46 reports by companies from 6 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Gefahrenhinweise

Regulatory Information · 2 Einträge

PMN - indicates a commenced PMN (Pre-Manufacture Notices) substance.

4,4'-Difluorobenzil: Does not have an individual approval but may be used under an appropriate group standard

Hazard Classes and CategoriesSkin Irrit. 2 (100%)

Sicherheitsdaten

wgk: 3
tsca: TSCA listed
hs_code: 29147000
risk_code: 36/37/38
hazard_code: Xi
hazard_note: Irritant
safety_code: 26-37/39
Speicherklasse: 11 - Combustible Solids
Hazard Classifications: Eye Irrit. 2Skin Irrit. 2STOT SE 3

Chemie und Industrie

Verwendung und Herstellung

General Manufacturing Information1,2-Ethanedione, 1,2-bis(4-fluorophenyl)-: ACTIVE

Anwendungen · 1 Eintrag

Verwenden4,4′-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 A4,4′-difluoro-2,3-diphenylpyrazine (DPPF) and 4,4′-difluoro-5-methyl 2,3-diphenylpyrazine (MDPPF), via direct condensation with ethylenediamine and 1,2-diaminopropane, respectively2,3-bis(4-fluorophenyl)quinoxaline, via direct condensation with 1,2-phenylenediamine