Trifluoromethylisocyanide is the chemical compound with the formula CF₃NC. It is an isocyanide and a fluorocarbon. Polymerisation occurs even at temperatures below its boiling point of −80 °C. As a ligand in coordination chemistry, this species behaves similarly to carbon monoxide.^[1]

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Trifluoromethylisocyanide

Names
IUPAC name trifluoro(isocyano)methane
Other names trifluoro-methyl-azaniumylidyne methane
Identifiers
CAS Number	19480-01-4 Y
3D model (JSmol)	Interactive image
ChemSpider	128288 Y
PubChem CID	145434
UNII	R3NG676YU8 Y
CompTox Dashboard (EPA)	DTXSID10147379
InChI InChI=1S/C2F3N/c1-6-2(3,4)5 Y Key: LKHQVUSYAMWNQZ-UHFFFAOYSA-N Y InChI=1/C2F3N/c1-6-2(3,4)5 Key: LKHQVUSYAMWNQZ-UHFFFAOYAU
SMILES [C-]#[N+]C(F)(F)F
Properties
Chemical formula	CF3NC
Molar mass	95.023
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). N verify (what is YN ?) Infobox references

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The compound trifluoracetonitrile (CF₃CN) is an isomer to trifluoromethylisocyanide. The nitrile is more stable, as is the usual case.