73906
4,4′-二氟二苯甲酮
analytical standard
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线性分子式:
(FC6H4)2CO
化学文摘社编号:
分子量:
218.20
UNSPSC Code:
77101502
NACRES:
NA.24
PubChem Substance ID:
EC Number:
206-466-3
Beilstein/REAXYS Number:
516231
MDL number:
产品名称
4,4′-二氟二苯甲酮, analytical standard
InChI key
LSQARZALBDFYQZ-UHFFFAOYSA-N
InChI
1S/C13H8F2O/c14-11-5-1-9(2-6-11)13(16)10-3-7-12(15)8-4-10/h1-8H
SMILES string
Fc1ccc(cc1)C(=O)c2ccc(F)cc2
grade
analytical standard
assay
≥98.0% (GC)
shelf life
limited shelf life, expiry date on the label
technique(s)
HPLC: suitable
gas chromatography (GC): suitable
mp
102-105 °C (lit.)
application(s)
environmental
pharmaceutical
format
neat
Quality Level
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General description
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.
This substance is listed on the positive list of the EU regulation 10/2011 for plastics intended to come into contact with food.
Analysis Note
The purity is calculated based on the principle of mass balance and is mentioned on the CoA
Application
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.
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.
signalword
Warning
hcodes
Hazard Classifications
Acute Tox. 4 Oral - Aquatic Chronic 2 - Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
target_organs
Respiratory system
存储类别
13 - Non Combustible Solids
wgk
WGK 3
flash_point_f
305.6 °F - Pensky-Martens closed cup
flash_point_c
152 °C - Pensky-Martens closed cup
An improved automatic analyzer for organic compounds in water based on headspace solid-phase microextraction (SPME) coupled to gas chromatography
Belau E, et al.
Field Analytical Chemistry & Technology, 5(1-2), 37-49 (2001)
Applications of polyetheretherketone (PEEK) in oral implantology and prosthodontics
Najeeb S, et al.
Journal of Prosthodontic Research, 60(1), 12-19 (2016)
An automatic analyzer for organic compounds in water based on solid-phase microextraction coupled to gas chromatography
Grote C, et al.
Analytical Chemistry, 71(20), 4513-4518 (1999)
Intelligent peak deconvolution through in-depth study of the data matrix from liquid chromatography coupled with a photo-diode array detector applied to pharmaceutical analysis
Arase S, et al.
Journal of Chromatography A, 1469(1-2), 35-47 (2016)
The formation of 4, 4?-difluorobenzophenone from 4, 4?-dinitrodiphenylmethane
Adams DJ, et al.
Journal of Fluorine Chemistry, 92(2), 127-129 (1998)
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