07563

4,4′-Difluorobenzophenone

TraceCERT^®, certified reference material, ¹⁹F-qNMR Standard, Manufactured by: Sigma-Aldrich Production GmbH, Switzerland

• Formula condensata: (FC₆H₄)₂CO
• Numero CAS: 345-92-6
• Peso molecolare: 218.20
• EC Number: 206-466-3
• UNSPSC Code: 12352101
• NACRES: NA.24
• Beilstein/REAXYS Number: 516231
• MDL number: MFCD00000353

Proprietà

• Quality Segment: 100, 200
• product line: TraceCERT^®
• grade: certified reference material, TraceCERT^®
• shelf life: limited shelf life, expiry date on the label
• manufacturer/tradename: Manufactured by: Sigma-Aldrich Production GmbH, Switzerland
• technique(s): qNMR: suitable
• mp: 102-105 °C (lit.)
• application(s): cleaning products; cosmetics; flavors and fragrances; food and beverages; personal care; pharmaceutical
• format: neat
• SMILES string: 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
• InChI key: LSQARZALBDFYQZ-UHFFFAOYSA-N

Descrizione

General description

This certified reference material (CRM) is produced and certified in accordance with ISO/IEC 17025 and ISO 17034. This CRM is traceable to primary material from an NMI, e.g. NIST or NMIJ.
Certified content by quantitative NMR incl. uncertainty and expiry date are given on the certificate.
Download your certificate at: http://www.sigma-aldrich.com.

Check out our entire range of quantitative NMR standards (qNMR standards)

This substance is listed on the positive list of the EU regulation 10/2011 for plastics intended to come into contact with food. Find all available reference materials for compounds listed in 10/2011 here

Application

• Enhancement of chromatographic analyses: This compound served as a standard in liquid chromatography coupled with photodiode array for the identification and quantification of co-eluting impurities in pharmaceuticals, showcasing its critical role in ensuring the purity and efficacy of medical products (Vecchietti et al., 2022).


• Advanced pharmaceutical analysis: Employed in intelligent peak deconvolution in chromatography, 4,4′-Difluorobenzophenone is crucial for the detailed study of complex data matrices from pharmaceutical samples, aiding in the precise determination of compound structures and concentrations (Arase et al., 2016).

Other Notes

Find a digital Reference Material for this product available on our online platform ChemisTwin® for NMR. You can use this digital equivalent on ChemisTwin® for your sample identity confirmation and compound quantification (with digital external standard). An NMR spectrum of this substance can be viewed and an online comparison against your sample can be performed with a few mouseclicks. Learn more here and start your free trial.

Legal Information

TraceCERT is a registered trademark of Merck KGaA, Darmstadt, Germany

Informazioni sulla sicurezza

• pictograms: GHS07,GHS09
• signalword: Warning
• hcodes: H302,H315,H319,H335,H411
• pcodes: P261 - P264 - P273 - P301 + P312 - P302 + P352 - P305 + P351 + P338
• Hazard Classifications: Acute Tox. 4 Oral - Aquatic Chronic 2 - Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
• target_organs: Respiratory system
• wgk: WGK 3
• flash_point_f: 305.6 °F - Pensky-Martens closed cup
• flash_point_c: 152 °C - Pensky-Martens closed cup
• Classe di stoccaggio: 11 - Combustible Solids