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Merck

07563

Supelco

4,4′-Difluorbenzophenon

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

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About This Item

Lineare Formel:
(FC6H4)2CO
CAS-Nummer:
Molekulargewicht:
218.20
Beilstein:
516231
EG-Nummer:
MDL-Nummer:
UNSPSC-Code:
12352101
NACRES:
NA.24

Qualität

certified reference material
TraceCERT®

Qualitätsniveau

100
300

Produktlinie

TraceCERT®

Haltbarkeit

limited shelf life, expiry date on the label

Hersteller/Markenname

Manufactured by: Sigma-Aldrich Production GmbH, Switzerland

Methode(n)

qNMR: suitable

mp (Schmelzpunkt)

102-105 °C (lit.)

Anwendung(en)

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

InChIKey

LSQARZALBDFYQZ-UHFFFAOYSA-N

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Allgemeine Beschreibung

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

Anwendung


  • 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).

Empfohlene Produkte

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.

Rechtliche Hinweise

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

Piktogramme

Exclamation markEnvironment

Signalwort

Warning

Gefahreneinstufungen

Acute Tox. 4 Oral - Aquatic Chronic 2 - Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Zielorgane

Respiratory system

Lagerklassenschlüssel

13 - Non Combustible Solids

WGK

WGK 3

Flammpunkt (°F)

305.6 °F - Pensky-Martens closed cup

Flammpunkt (°C)

152 °C - Pensky-Martens closed cup


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Artikel

In certain cases, 1H qNMR reaches its limits, especially regarding the certification of complex and larger molecules. However, new fields of application often also bring along the presence of heteroatoms, namely 31P and 19F. We therefore introduced 3 CRMs for 19F qNMR with traceability to the SI.

Verwandter Inhalt

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