126152
1,2-Difluorobenzene
98%
Sinonimo/i:
o-Difluorobenzene
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About This Item
Formula empirica (notazione di Hill):
C6H4F2
Numero CAS:
Peso molecolare:
114.09
Beilstein:
1905113
Numero CE:
Numero MDL:
Codice UNSPSC:
12352100
ID PubChem:
NACRES:
NA.22
Prodotti consigliati
Livello qualitativo
Saggio
98%
Stato
liquid
Indice di rifrazione
n20/D 1.443 (lit.)
P. ebollizione
92 °C (lit.)
Punto di fusione
−34 °C (lit.)
Densità
1.158 g/mL at 25 °C (lit.)
Gruppo funzionale
fluoro
Stringa SMILE
Fc1ccccc1F
InChI
1S/C6H4F2/c7-5-3-1-2-4-6(5)8/h1-4H
GOYDNIKZWGIXJT-UHFFFAOYSA-N
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Categorie correlate
Descrizione generale
1,2-Difluorobenzene undergoes defluorination under very mild conditions by H2 in the presence of NaOAc over rhodium pyridylphosphine and bipyridyl complexes tethered on a silica-supported palladium catalyst.
Applicazioni
1,2-Difluorobenzene(1,2-DFB) has been used to study the mechanism of dissociation of o-, m- and p-difluorobenzene ions by threshold photoelectron photoion coincidence spectroscopy. It has been used to study the room temperature adsorption of 1,2-DFB, 1,2-dichlorobenzene and 1,2-dibromobenzene on Si(100)2x1 by X-ray photoelectron spectroscopy and temperature programmed desorption. It was used as solvent in electrochemical studies on transition metal complexes.
Solvent useful for electrochemical studies on transition metal complexes.
Avvertenze
Danger
Indicazioni di pericolo
Consigli di prudenza
Classi di pericolo
Flam. Liq. 2
Codice della classe di stoccaggio
3 - Flammable liquids
Classe di pericolosità dell'acqua (WGK)
WGK 3
Punto d’infiammabilità (°F)
33.8 °F - closed cup
Punto d’infiammabilità (°C)
1 °C - closed cup
Dispositivi di protezione individuale
Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
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Anne-Marie Boulanger et al.
Journal of the American Society for Mass Spectrometry, 20(1), 20-24 (2008-10-18)
Threshold photoelectron photoion coincidence (TPEPICO) experiments have shown that o-, m-, and p-difluorobenzene ions dissociate via a common, ring-opened intermediate and not via ionized p-difluorobenzene. Rice-Ramsperger-Kassel-Marcus (RRKM) modeling of the experimental breakdown curves yields activation energies for the initial isomerization
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Global Trade Item Number
| SKU | GTIN |
|---|---|
| 126152-10G | 4061838723871 |
| 126152-50G | 4061838723888 |
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