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Bacteriostatic Water (BAC Water) is a sterile, non-pyrogenic solution containing 0.9% benzyl alcohol as a preservative. It is the standard reconstitution solution used in laboratory research for safely mixing and storing lyophilized research peptides. The benzyl alcohol helps prevent bacterial growth, allowing multi-dose use from a single vial while maintaining sterility throughout the research process.
FOR RESEARCH USE ONLY • NOT FOR HUMAN CONSUMPTION Not evaluated by the FDA • Supplied strictly for laboratory and scientific research purposes only.
Bacteriostatic water, commonly called BAC water, is sterile water containing 0.9% benzyl alcohol. In research settings, it is commonly used as a reconstitution diluent for lyophilized peptides and other laboratory compounds where multi-use vial handling and contamination-control workflows are being studied.
Sterile Diluent BaseUsed as a laboratory diluent for reconstituting lyophilized research compounds.
Benzyl Alcohol PreservativeContains 0.9% benzyl alcohol, which helps inhibit microbial growth after vial access.
Multi-Use Vial WorkflowDesigned for controlled research workflows where repeated access may occur.
Reconstitution ConsistencySupports accurate laboratory preparation, dilution calculations, and storage protocols.
Important correction: BAC water in peptide/reconstitution contexts means bacteriostatic water with benzyl alcohol. It is not benzalkonium chloride solution.
BAC water is shorthand for bacteriostatic water, a sterile water solution that typically contains 0.9% benzyl alcohol as a bacteriostatic preservative. In research settings, it is commonly used to reconstitute lyophilized peptides and other laboratory compounds.
The key word is bacteriostatic, not sterilizing. BAC water is designed to inhibit microbial growth under appropriate handling conditions. It should not be described as a disinfectant, sanitizer, or antimicrobial treatment product. That wording is sloppy and can confuse buyers.
BAC water provides a sterile water base for dissolving or reconstituting lyophilized research materials. In peptide research workflows, the selected volume of BAC water determines the final concentration of the reconstituted material.
The 0.9% benzyl alcohol component helps inhibit microbial growth after vial access. It does not make poor handling safe. Sterile technique still matters.
BAC water is commonly used where a vial may be accessed more than once in controlled research workflows. It should be stored and handled according to appropriate laboratory protocols.
The reconstitution volume determines concentration. For example, adding 2 mL of BAC water to a 10 mg research vial creates a different concentration than adding 1 mL. This makes clear reconstitution instructions and concentration labeling important.
| Solution Type | Typical Composition | Primary Research Use | Multi-Use Suitability |
|---|---|---|---|
| Bacteriostatic Water | Sterile water + 0.9% benzyl alcohol | Reconstitution of lyophilized research compounds | Commonly used for multi-access research workflows |
| Sterile Water | Sterile water without bacteriostatic preservative | Single-use reconstitution or dilution workflows | Not typically positioned for repeated vial access |
| Normal Saline | 0.9% sodium chloride solution | Specific laboratory dilution or compatibility use cases | Depends on formulation and container type |
| Benzalkonium Chloride Solution | Quaternary ammonium antimicrobial compound | Disinfection / antimicrobial testing contexts | Not the same as BAC water for peptide reconstitution |
BAC water is commonly used to reconstitute lyophilized research peptides into a liquid solution for controlled laboratory workflows.
Researchers use defined volumes to create specific concentrations, supporting more consistent preparation and measurement.
The bacteriostatic preservative supports repeated-access research workflows when handled with proper technique.
BAC water may be discussed in the context of stability, storage, and handling protocols for reconstituted research materials.
BAC water should be handled using clean laboratory technique. Product pages should avoid making blanket claims about exact storage timelines because those depend on product source, sterility, vial handling, compound being reconstituted, and laboratory conditions.
BAC water is bacteriostatic water, typically sterile water containing 0.9% benzyl alcohol. It is commonly used as a reconstitution diluent in laboratory research settings.
No. Sterile water does not typically contain a bacteriostatic preservative. BAC water contains benzyl alcohol, which helps inhibit microbial growth after vial access.
No. In peptide reconstitution contexts, BAC water refers to bacteriostatic water with benzyl alcohol, not benzalkonium chloride solution.
It is commonly used to reconstitute lyophilized research peptides and compounds, support concentration preparation, and enable controlled multi-use vial workflows.
No. This product page is written for laboratory research use only. It is not for human consumption, not for animal use, and not intended for medical, clinical, diagnostic, or therapeutic use.
| Size | 3 ML, 10 ML |
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