4-Trifluoromethylbenzaldehyde

4-Trifluoromethylbenzaldehyde is the organofluorine compound with the formula CF₃C₆H₄CHO. Two other isomers are also known: 2-trifluoromethylbenzaldehyde and 3-trifluoromethylbenzaldehyde. These compounds are derivatives of benzaldehyde with trifluoromethyl substituents. The CF₃ group enhances the electrophilicity of the formyl group and provides a label for analysis by fluorine-19 nuclear magnetic resonance spectroscopy.

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4-Trifluoromethylbenzaldehyde

Names
Preferred IUPAC name 4-(Trifluoromethyl)benzaldehyde
Other names α,α,α-trifluoro-4-tolualdehyde
Identifiers
CAS Number	455-19-6 Y
3D model (JSmol)	Interactive image
ChEBI	CHEBI:156309
ChEMBL	ChEMBL4473405
ChemSpider	61311
EC Number	207-240-7
PubChem CID	67996
InChI InChI=1S/C8H5F3O/c9-8(10,11)7-3-1-6(5-12)2-4-7/h1-5H Key: BEOBZEOPTQQELP-UHFFFAOYSA-N
SMILES C1=CC(=CC=C1C=O)C(F)(F)F
Properties
Chemical formula	C8H5F3O
Molar mass	174.122 g·mol−1
Appearance	colorless oil
Density	1.275
Melting point	1–2 °C (34–36 °F; 274–275 K)
Boiling point	64 °C (147 °F; 337 K) 12 torr
Refractive index (nD)	1.463
Hazards
GHS labelling:[1]
Pictograms
Signal word	Warning
Hazard statements	H315, H319, H335
Precautionary statements	P261, P264, P264+P265, P270, P271, P280, P301+P317, P302+P352, P304+P340, P305+P351+P338, P319, P321, P330, P332+P317, P337+P317, P362+P364, P403+P233, P405, P501
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

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