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Potassium Hydroxide


Ph. Eur.

CAS registry number (Chemical Abstracts Service)


Chemical Formula


Molecular Weight


Therapeutic Categories

Food additive (e number)

Pharmaceutic aid


Chemical Name

Potaβium Hydroxide (USAN)

Foreign Names

  • Kalii hydroxidum (Latin)
  • Kaliumhydroxid (German)
  • Potassium, hydroxyde de (French)
  • Hidróxido potásico (Spanish)

Generic Names

  • Potassium Hydroxide (OS: JAN)
  • Ätzkali (IS)
  • CCRIS 6569 (IS)
  • Cyantek CC 723 (IS)
  • E 525 (IS)
  • Kalii hydroxidum purissimum (IS)
  • Kalium causticum fusum (IS)
  • Potash Lye (IS)
  • Potassa (IS)
  • Kalii hydroxidum (PH: Ph. Eur. 8)
  • Potassium Hydroxide (PH: BP 2015, JP XVI, NF 32, USP 32)
  • Potassium hydroxide (PH: Ph. Eur. 8)

Brand Names

International Drug Name Search


ISInofficial Synonym
JANJapanese Accepted Name
OSOfficial Synonym
PHPharmacopoeia Name
Ph. Eur.European Pharmacopoeia
USANUnited States Adopted Name

Click for further information on drug naming conventions and International Nonproprietary Names.

Important Notice: The international database is in BETA release. This means it is still under development and may contain inaccuracies. It is not intended as a substitute for the expertise and judgement of your physician, pharmacist or other healthcare professional. It should not be construed to indicate that the use of any medication in any country is safe, appropriate or effective for you. Consult with your healthcare professional before taking any medication.