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07563

Supelco

4,4′-Difluorobenzophenone

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

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Linear Formula:
(FC6H4)2CO
CAS Number:
Molecular Weight:
218.20
Beilstein/REAXYS Number:
516231
EC Number:
MDL number:
NACRES:
NA.24

grade

certified reference material
TraceCERT®

Quality Level

100
300

product line

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

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1 of 4

This Item
070380618573096
vibrant-m

07563

4,4′-Difluorobenzophenone

vibrant-m

07038

Dimethyl terephthalate

vibrant-m

06185

Benzoic acid

format

neat

format

neat

format

neat

format

neat

technique(s)

qNMR: suitable

technique(s)

gas chromatography (GC): suitable, qNMR: suitable

technique(s)

gas chromatography (GC): suitable, qNMR: suitable

technique(s)

-

grade

certified reference material, TraceCERT®

grade

Standard for quantitative NMR, certified reference material, TraceCERT®

grade

Standard for quantitative NMR, certified reference material, TraceCERT®

grade

certified reference material, TraceCERT®

product line

TraceCERT®

product line

TraceCERT®

product line

-

product line

TraceCERT®

shelf life

limited shelf life, expiry date on the label

shelf life

limited shelf life, expiry date on the label

shelf life

limited shelf life, expiry date on the label

shelf life

limited shelf life, expiry date on the label

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

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.

Legal Information

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

pictograms

Exclamation markEnvironment

signalword

Warning

Hazard Classifications

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

target_organs

Respiratory system

Storage Class

13 - Non Combustible Solids

wgk_germany

WGK 3

flash_point_f

305.6 °F - Pensky-Martens closed cup

flash_point_c

152 °C - Pensky-Martens closed cup


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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T1503
Product Number
-
25G
Pack Size/Quantity

Additional examples:

705578-5MG-PW

PL860-CGA/SHF-1EA

MMYOMAG-74K-13

1000309185

enter as 1.000309185)

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  • For a lot number such as TO09019TO, enter it as 09019TO (without the first two letters 'TO').

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Articles

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.

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