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In some countries, this medicine may only be approved for veterinary use.



CAS registry number (Chemical Abstracts Service)


Chemical Formula


Molecular Weight


Therapeutic Categories

Food additive (e number)

Pharmaceutic aid: Preservative

Chemical Name

Benzoic acid, 4-hydroxy-, metyl ester

Foreign Names

  • Methylis parahydroxybenzoas (Latin)
  • Methyl 4-hydroxybenzoat (German)
  • Parahydroxybenzoate de méthyle (French)

Generic Names

  • Methyl Parahydroxybenzoate (OS: JAN)
  • Methylparaben (OS: USAN)
  • Methyl Butex (IS)
  • Méthyle (IS: parahydroxybenzoate de)
  • Methylium parahydroxybenzoicum (IS)
  • Methylium paraoxybenzoicum (IS)
  • Nipagin M (IS)
  • Solbrol (IS)
  • Steregin (IS)
  • Methyl Hydroxybenzoate (PH: BP 2016, Ph. Int. 4)
  • Methyl Parahydroxybenzoate (PH: JP XVI)
  • Methyl parahydroxybenzoate (PH: Ph. Eur. 8)
  • Méthyle (parahydroxybenzoate de) (PH: Ph. Franç. 11)
  • Methylis hydroxybenzoas (PH: Ph. Int. 4)
  • Methylis parahydroxybenzoas (PH: Ph. Eur. 8)
  • Methylparaben (PH: NF 33)
  • Metile paraidrossibenzoato (PH: F.U. IX)

Brand Name

  • Ilium Cu-Jec (Methylparaben and Calcium Copperedetate (veterinary use))
    Troy Laboratories NZ, New Zealand


ISInofficial Synonym
JANJapanese Accepted Name
OSOfficial Synonym
PHPharmacopoeia Name
USANUnited States Adopted Name

Further information on drug naming conventions: 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.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.