Bacteriostatic Water · Stability & Shelf Life
Stability & Shelf Life
The shelf life of Bacteriostatic Water depends on its sterility and preservative rather than on molecular stability. This reference summarizes how a preserved aqueous solvent is kept usable over time in the lab. For research use only. Not for human consumption, diagnostic, or therapeutic use.
What determines its shelf life
As a preserved solution, Bacteriostatic Water remains usable as long as it stays sterile and the benzyl-alcohol preservative remains effective. The practical limits are the manufacturer's dating on a sealed vial and the working window once the vial is broached.
- Sealed
- Per manufacturer expiry, room temperature
- After first use
- Multi-use working window; keep aseptic
- Preservative
- 0.9% benzyl alcohol (bacteriostatic)
Preserving usability
Keep the vial sealed until needed, protect it from prolonged light, and maintain aseptic technique on every draw. Discard if the solution is no longer clear or if sterility is in doubt. For research use only. Not for human consumption, diagnostic, or therapeutic use.
Available from Blueprint Labs
Bacteriostatic Water - 10ml
Third-party tested, Bacteriostatic Water supplied as a research material with a certificate of analysis available.
Questions, answered
What is the shelf life of Bacteriostatic Water?
Sealed, Bacteriostatic Water follows its manufacturer dating at room temperature; once broached, treat it as a multi-use vial with a working window.
What degrades Bacteriostatic Water fastest?
Loss of sterility or preservative effectiveness, rather than molecular breakdown, is the limiting factor for a solvent.
Does reconstituting shorten the shelf life?
Bacteriostatic Water is supplied ready as a solution; keep it sealed and aseptic.
Is this stability data a use recommendation?
No. It is laboratory storage reference. For research use only. Not for human consumption, diagnostic, or therapeutic use.