4,4′-Difluorobenzophenone

SIAL/07563 - TraceCERT^®, certified reference material, ¹⁹F-qNMR Standard, Manufactured by: Sigma-Aldrich Production GmbH, Switzerland

CAS Number: 345-92-6
Empirical Formula (Hill Notation): C₁₃H₈F₂O
Molecular Weight: 218.20
EC Number: 206-466-3
MDL Number: MFCD00000353
Linear Formula: (FC₆H₄)₂CO
Product Type: Chemical

Catalog Number	PKG Qty.	Price	Quantity


45-07563-500MG	500 mg	$135.00 1/EA		Add To Favorites

Properties
Descriptions
Safety Info.
Basic Data

application(s)	cleaning products cosmetics flavors and fragrances food and beverages personal care pharmaceutical
format	neat
grade	TraceCERT^®
	certified reference material
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
manufacturer/tradename	Manufactured by: Sigma-Aldrich Production GmbH, Switzerland
mp	102-105 °C (lit.)
product line	TraceCERT^®
Quality Level	100
	300
shelf life	limited shelf life, expiry date on the label
SMILES string	Fc1ccc(cc1)C(=O)c2ccc(F)cc2
technique(s)	qNMR: suitable

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 ).
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)
General description:	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
Legal Information:	TraceCERT is a registered trademark of Merck KGaA, Darmstadt, Germany
Recommended products:	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 .

Symbol	GHS07,GHS09
Signal word	Warning
Hazard statements	H302 - H315 - H319 - H335 - H411
Precautionary statements	P273 - P301 + P312 + P330 - P302 + P352 - P305 + P351 + P338
RIDADR	UN 3077 9 / PGIII
WGK Germany	WGK 3
Flash Point(F)	305.6 °F - Pensky-Martens c
Flash Point(C)	152 °C - Pensky-Martens clo

mp	102-105 °C (lit.)
UNSPSC	12352101

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