

Bacteriostatic Water
0.9% Bacteriostatic Solution for mixing
Bacteriostatic water is supplied as a 10ml solution for mixing lyophilised research peptides in laboratory work. Price is shown in your currency, and its Certificate from a named outside laboratory is published on this page. Not for human or veterinary use.
Water with benzyl alcohol added as a bacteriostatic preservative, which suppresses microbial growth after the vial is opened. It is the standard solvent for reconstituting lyophilised research peptides in the laboratory; the measured benzyl alcohol content is shown on its Certificate. Supplied strictly for laboratory research use only.
The research profile.
Water with benzyl alcohol added as a bacteriostatic preservative, which suppresses microbial growth after the vial is opened. It is the standard solvent for reconstituting lyophilised research peptides in the laboratory; the measured benzyl alcohol content is shown on its Certificate. Supplied strictly for laboratory research use only.
For research purposes only. Not for human consumption, diagnosis, treatment, or prevention of any condition.
Categorised as Supplies — Diluents for reconstituting lyophilised product.
One Certificate, published unaltered.
The Certificate is a test report from a named laboratory outside AKH, ordered by our manufacturer and shown here exactly as the laboratory issued it. A printed copy ships in every parcel.
- Batch
- JP20251003
- Test date
- 04 Nov 2025
- Task ID
- #86200
Benzyl Alcohol: 8.72 mg/ml
Verified by Janoshik Analytical. Scan the full report for every measurement.
Further reading.
- Stability & handling
What bacteriostatic water is used for
Bacteriostatic water is used to dissolve or dilute a dried material, and the benzyl alcohol it carries is the preservative that makes repeated withdrawals from one container possible; this article sets out the labelling's stated purpose, the ba water and ebac water contractions, and what one published AKH report measures.
Read the post - Stability & handling
Should bacteriostatic water be refrigerated?
The published bacteriostatic water label directs storage at 20 to 25°C (68 to 77°F), not refrigeration, and the answer changes once a peptide is dissolved in the vial.
Read the post - Stability & handling
What is bac water? Bacteriostatic water explained
Bacteriostatic water is sterile water for injection with benzyl alcohol added as a bacteriostatic preservative, and the FDA labeling answers the expiry question only for the sealed vial.
Read the post