Description
What is Bacteriostatic Water?
Bacteriostatic Water is a sterile aqueous solution containing 0.9% benzyl alcohol as a preservative. Unlike sterile water that contains no preservative, the addition of benzyl alcohol helps inhibit the growth of bacteria following initial entry into the vial when handled using appropriate laboratory techniques.
Because of this preservative action, Bacteriostatic Water is widely used in research environments where a sterile diluent or reconstitution solution is required. It is particularly popular for peptide reconstitution, allowing researchers to prepare compounds in solution while maintaining convenience during laboratory handling procedures.
The solution itself consists primarily of highly purified water, with benzyl alcohol included at a concentration specifically intended to provide bacteriostatic properties. This distinguishes it from standard sterile water products that are generally intended for immediate or single-use applications once opened.
Why Does It Contain Benzyl Alcohol?
The 0.9% benzyl alcohol content acts as a bacteriostatic preservative. Rather than killing bacteria directly, it helps inhibit bacterial growth within the solution after the vial has been accessed.
This preservative effect is particularly useful in laboratory settings where multiple withdrawals may be required from a single vial during the course of research. When appropriate aseptic handling procedures are followed, the presence of benzyl alcohol helps support the integrity of the solution throughout repeated use.
For this reason, many researchers choose Bacteriostatic Water over standard sterile water when working with peptides, proteins and other laboratory materials that may require gradual reconstitution or repeated preparation steps.
Common Research Applications
Bacteriostatic Water is commonly utilised in laboratory environments for:
- Peptide reconstitution
- Biochemical research procedures
- Analytical sample preparation
- Scientific laboratory investigations
- Research protocol development
- Controlled laboratory testing
Its versatility, sterility and preservative properties make it a widely used laboratory reagent across a variety of scientific disciplines.
Available Formats
NuroLabs Research Bacteriostatic Water is supplied in sterile glass vials and is available in the following sizes:
- 3ml
- 10ml
- 20ml
- 30ml
Each vial is produced under controlled laboratory conditions and undergoes quality assurance procedures to ensure consistency, sterility and product reliability.
Research Use Only
Researchers using Bacteriostatic Water for peptide reconstitution may also wish to explore our range of research peptides and laboratory supplies, designed to support a variety of scientific and analytical applications.




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