73906

4,4′-Difluorobenzophenone

analytical standard

• Formula condensata: (FC₆H₄)₂CO
• Numero CAS: 345-92-6
• Peso molecolare: 218.20
• Beilstein: 516231
• Numero CE: 206-466-3
• Numero MDL: MFCD00000353
• Codice UNSPSC: 77101502
• ID PubChem: 329765325
• NACRES: NA.24

Proprietà

• Grado: analytical standard
• Livello qualitativo: 100
• Saggio: ≥98.0% (GC)
• Durata: limited shelf life, expiry date on the label
• tecniche: HPLC: suitable; gas chromatography (GC): suitable
• Punto di fusione: 102-105 °C (lit.)
• applicazioni: environmental; pharmaceutical
• Formato: neat
• Stringa SMILE: Fc1ccc(cc1)C(=O)c2ccc(F)cc2
• InChI: 1S/C13H8F2O/c14-11-5-1-9(2-6-11)13(16)10-3-7-12(15)8-4-10/h1-8H; LSQARZALBDFYQZ-UHFFFAOYSA-N

Descrizione

Descrizione generale

4,4′-Difluorobenzophenone is typically used as a starting material for the preparation of polyetheretherketone (PEEK) polymer, a high-temperature thermoplastic, which finds wide use in dentistry as well as in automotive, oil industries, etc.[1][2]

This substance is listed on the positive list of the EU regulation 10/2011 for plastics intended to come into contact with food.

Applicazioni

4,4′-Difluorobenzophenone (DFBP) may be used as an analytical reference standard for the determination of the analyte in water samples and DFBP/valerophenone mixture solutions by various chromatography techniques.[3][4][5]

Risultati analitici

The purity is calculated based on the principle of mass balance and is mentioned on the CoA

Prodotti consigliati

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Informazioni sulla sicurezza

• Pittogrammi: GHS07,GHS09
• Avvertenze: Warning
• Indicazioni di pericolo: H302,H315,H319,H335,H411
• Consigli di prudenza: P261 - P264 - P273 - P301 + P312 - P302 + P352 - P305 + P351 + P338
• Classi di pericolo: Acute Tox. 4 Oral - Aquatic Chronic 2 - Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
• Organi bersaglio: Respiratory system
• Codice della classe di stoccaggio: 13 - Non Combustible Solids
• Classe di pericolosità dell'acqua (WGK): WGK 3
• Punto d’infiammabilità (°F): 305.6 °F - Pensky-Martens closed cup
• Punto d’infiammabilità (°C): 152 °C - Pensky-Martens closed cup