Available Purity Grades of Cyclopentanone (CPN)

We supply Cyclopentanone in ULSI-quality which is the grade typically used in semiconductor processing and microelectronics. The specifications are listed in the technical data sheet below.

Typical Fields of Application of Cyclopentanone (CPN)

Cylcopentanone is often used as solvent in epoxy based resist formulations. Cyclopentanone is also an organic developer for some cross linking resists.

Technical Data Sheet:

For further information please refer to the technical data sheet:
> Cyclopentanone (SPEC)
> Solvents: Theory and Application

Sales Volumes, Purity Grade and Shipping

Available Sales Units:

  • 2,5L bottles (1 PU = 6 x 2,5L or single bottles)
  • drums on request

Available Purity Grade:

  • ULSI

Our typical lead time is 1-3 working days within Germany, lead times to other countries on request. On demand, in urgent cases our etchants can be shipped within 24 hours to a destination inside Germany.

Please send us your request.

e-mail: sales(at)
phone: +49 (0)731 977 343 0
fax: +49 (0)731 977 343 29

Thank you very much for your interest!

Physical Properties of Cyclopentanone:

Melting point
Boiling point
Flash point
Vapour pressure @ 20°C

0.95 g/cm3
11 hPa

®AZ, the AZ Logo, BARLi and Aquatar are registered trademarks of Merck Performance Materials GmbH.