73906
4,4′-二氟二苯甲酮
analytical standard
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关于此项目
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:
grade
analytical standard
Quality Segment
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
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
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.
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.
Analysis Note
The purity is calculated based on the principle of mass balance and is mentioned on the CoA
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.
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警示词
Warning
Hazard Classifications
Acute Tox. 4 Oral - Aquatic Chronic 2 - Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
靶器官
Respiratory system
存储类别
13 - Non Combustible Solids
怎么回事？
WGK 3
闪点 (F)
305.6 °F - Pensky-Martens closed cup
闪点 (°C)
152 °C - Pensky-Martens closed cup