Wednesday 23 June 2021

Revised monograph Water for Injections published for public comment


The revised general monograph Water for injections (0169) has been published in this quarter’s issue of Pharmeuropa (33.2), the European Pharmacopeia (Ph. Eur.) online forum, for comment. The text has been revised to delete the tests for inorganic substances from the section on Sterilised water for injection.


This proposed deletion follows on from discussions with other pharmacopoeias in the context of international harmonisation, during which scientific evidence was provided demonstrating that if a sample meets the conductivity requirements, it also complies with the tests for inorganic substances. Consequently, the chemical tests could be deleted in favour of a single, instrument-based, quantitative test.



The possibility of revising these aspects in the section on Water for injections in bulk, as well as in Purified water (0008), is under consideration.


All interested parties are strongly encouraged to review the draft and submit their comments before the deadline, as the monograph in question covers an essential component that is used in a large number of medicinal products in Europe.


The deadline for comments is 30 June 2021.




Posted by Dr. Tim Sandle, Pharmaceutical Microbiology Resources (

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