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Skeletal formula
Space-filling model
CAS number 105879-13-8
PubChem 145434
ChemSpider 128288 YesY
Jmol-3D images Image 1
Molecular formula CF3NC
Molar mass 95.023
Except where noted otherwise, data are given for materials in their standard state (at 25 °C (77 °F), 100 kPa)
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Infobox references

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]

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


  1. ^ D. Lentz (1994). "Fluorinated Isocyanides - More than Ligands with Unusual Properties". Angewandte Chemie International. Edition English 33 (13): 1315–1331. doi:10.1002/anie.199413151.