C6H4F2
114.09 g/mol
Industrial ChemicalDanger
1,4-DIFLUOROBENZENE
CAS540-36-3EC208-742-9
Category
Industrial Chemical
Compound Class
Aromatic
Primary Use
Mono- and difluoroaromatic compounds in analytical reagents
1,4-Difluorobenzene is a fluorinated aromatic compound used as a building block in the synthesis of analytical reagents. Its structure features a benzene ring with two fluorine atoms in a para arrangement, contributing to its utility in chemical research and manufacturing.
Precursor for mono- and difluoroaromatic analytical reagentsIntermediate in organic synthesis for research purposes
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
ReferenceSame Category
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chemical intermediate for synthesis
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Chemical intermediate for n-propylamine
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Ammonium formate
CAS540-69-2
Buffer in chemical analysis
ReferenceSame Category
Sodium thiocyanate
CAS540-72-7
industrial chemical and preservative
Safety Reference
Danger
H224Extremely flammable liquid and vapour
H225Highly flammable liquid and vapour
H319Causes serious eye irritation
Regulatory Compliance1
- CN Catalogue of Hazardous ChemicalsCNRegulation
Customs Tariff Classification
The international HS code for 1,4-DIFLUOROBENZENE (CAS 540-36-3) is 2903.99.
HS code (international, 6-digit)
2903.99
EU CN code (8-digit)
2903 99 80
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
1,4-difluorobenzene
InChIKey
QUGUFLJIAFISSW-UHFFFAOYSA-N
SMILES
C1=CC(=CC=C1F)F
Synonyms (10)
- 1,4-DIFLUOROBENZENE
- 1,4-Difluorbenzol
- 2,5-difluorobenzene
- Benzene, 1,4difluoro
- Benzene, 1,4difluoro (9CI)
- Benzene, pdifluoro
- Benzene,4-difluoro-
- p-Difluorobenzene
- paraDifluorobenzene
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