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Sterile water for injection (revision 2)

Old revision·05:58, 20 Aug 2024·Chromatokid

This is an old revision of this page, as it stood at 05:58, 20 Aug 2024, saved by Chromatokid with the summary the example withdrew more than the syringe holds; corrected. It may differ substantially from the current revision, and any error it contains may since have been corrected.
Sterile water for injection
CompositionWater only; no preservative, no buffer, no tonicity agent
ContainerSingle-entry
Contrast withBacteriostatic water, preserved
Topic infobox · conventions

Sterile water for injection is water that has been sterilised and meets compendial requirements for particulates, endotoxin and conductivity, supplied without preservative, buffer or tonicity agent. It is intended for single use in preparing an injection.[1]

Because it contains no preservative, a container that has been entered offers no barrier to growth of organisms introduced at entry, and it is therefore packaged and used as single-entry. This is the operative difference from bacteriostatic water.[2]

References

  1. ^ United States Pharmacopeia, monograph Sterile Water for Injection, and General Chapter <1231>, Water for Pharmaceutical Purposes.
  2. ^ United States Pharmacopeia, General Chapter <797>, Pharmaceutical Compounding — Sterile Preparations.