C13H8F2O
218.2 g/mol
Industrial ChemicalWarning
4,4'-Difluorobenzophenone
CAS345-92-6EC206-466-3
Category
Industrial Chemical
Compound Class
Aromatic
Primary Use
precursor to polyetheretherketone polymer
4,4'-Difluorobenzophenone is an organic compound that appears as a colorless solid. It is primarily significant as a precursor to polyetheretherketone (PEEK), a high-performance polymer valued for its resistance to chemical attack.
precursor for polyetheretherketone polymer productionused in manufacturing carbon fiber coatingsused in manufacturing cable insulation
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Related Compounds
SimilarStructure SimilarSimilarity 0.80
4-Fluorobenzophenone
CAS345-83-5
pharmaceutical intermediate
SimilarStructure SimilarSimilarity 0.76
4-Fluoro-4'-methylbenzophenone
CAS530-46-1
Organic synthesis intermediate
ReferenceSame Category
Dipropylene glycol methyl ether
CAS34590-94-8
solvent and coupling agent
ReferenceSame Category
2,3,4,5-Tetrafluorophenol
CAS3467-85-4
Industrial chemical intermediate
ReferenceSame Category
4-iodopyrazole
CAS3469-69-0
Research reagent
ReferenceSame Category
P,p',p'',p'''-(((phosphonomethyl)imino)bis(6,1-hexanediylnitrilobis(methylene)))tetrakisphosphonic acid
CAS34690-00-1
Anti-scaling agent
Safety Reference
Warning
H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
H411Toxic to aquatic life with long lasting effects
Customs Tariff Classification
The international HS code for 4,4'-Difluorobenzophenone (CAS 345-92-6) is 2914.79.
HS code (international, 6-digit)
2914.79
EU CN code (8-digit)
2914 79 00
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
bis(4-fluorophenyl)methanone
InChIKey
LSQARZALBDFYQZ-UHFFFAOYSA-N
SMILES
C1=CC(=CC=C1C(=O)C2=CC=C(C=C2)F)F
Synonyms (21)
- M-3-DFBP
- 4,4''-Difluorodiphenyl ketone
- 4,4'-Diflourobenzophenone
- 4,4'-Difluorobenzophenone
- 4,4'-Difluorobnzophenone
- AE-848/31937058
- BENZOPHENONE, 4,4'-DIFLUORO-
- Benzophenone,4'-difluoro-
- Bis(4-fluorophenyl) ketone
- Bis(4-fluorophenyl)methanone
- Bis(p-fluorophenyl) ketone
- Di-p-fluorophenyl ketone
- di4-fluorophenyl ketone
- p,p'-Difluorbenzophenon
- p,p'-Difluorobenzophenone
- p-fluorophenyl ketone
- rho-Fluorophenyl Ketone
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