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Structural formula of perflenapent
Ball-and-stick model of the perflenapent molecule
Preferred IUPAC name
Other names
Perfluoropentane (no longer recommended[1])
3D model (Jmol)
ECHA InfoCard 100.010.589
Molar mass 288.04 g·mol−1
Density 1.63 g/mL (liquid, 25 °C) [2]
1.59 g/mL (liquid, 35 °C)
Melting point −115 °C (−175 °F; 158 K)
Boiling point 28 °C (82 °F; 301 K)
Vapor pressure 83.99 kPa (25 °C)
Viscosity 0.652 mPa*s (25 °C)
0.26 cal/(g • K)
V08DA03 (WHO)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Perflenapent (INN/USAN), or perfluoropentane (PFP), is a fluorocarbon. It has several biomedical applications including: propellant for pressurized metered dose inhalers;[3] gas core in microbubble ultrasound contrast agents;[4] and occlusion therapy via the conversion of nanometer liquid droplets into micrometer sized gas microbubbles (acoustic droplet vaporization).[5]


  1. ^ Nomenclature of Organic Chemistry : IUPAC Recommendations and Preferred Names 2013 (Blue Book). Cambridge: The Royal Society of Chemistry. 2014. p. 33. doi:10.1039/9781849733069-FP001. ISBN 978-0-85404-182-4. The prefix ‘per-’ is no longer recommended. 
  2. ^ "Perfluoropentane". Retrieved January 14, 2013. 
  3. ^ Rogueda, P. G. A. HPFP, a Model Propellant for pMDIs. Drug Dev. Ind. Phar. 2003, 29, 39
  4. ^ Liu, Y., Miyoshi, H., and Nakamura, M. Encapsulated ultrasound microbubbles: Therapeutic application in drug/gene delivery. J. Controlled Release 2006, 114, 89− 99
  5. ^ D. Bardin, T. D. Martz, P. S. Sheeran, R. Shih, P. A. Dayton, and A. P. Lee, “High-speed, clinical-scale microfluidic generation of stable phase-change droplets for gas embolotherapy,” Lab on a Chip, vol. 11, no. 23, p. 3990, 2011.