Bacteriostatic water is sterile water containing 0.9% benzyl alcohol as a bacteriostatic preservative (water CAS 7732-18-5; benzyl alcohol CAS 100-51-6). The benzyl alcohol inhibits bacterial growth, allowing a container to be drawn from more than once over a period of time. In the laboratory it is widely used as a diluent for reconstituting lyophilised research peptides. Supplied for laboratory and scientific research use only - not for human or veterinary use.
Batch Tested
Certificate of Analysis
Batch PA-0147 — 3mL
Research Grade Quality
Independently Tested
Bacteriostatic Water
$8.99
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Bacteriostatic Water – Research Overview
Sterile water with 0.9% benzyl alcohol – the standard diluent for reconstituting research peptides. For laboratory research use only.
Research Use Only
This product is intended solely for laboratory research purposes. Not for human consumption.
Bacteriostatic Water – Storage & Handling
Correct storage is essential for maintaining the stability and purity of Bacteriostatic Water. Follow the guidance below for both the lyophilised (freeze-dried) powder and any reconstituted solution.
- Store lyophilised powder at 2–8°C (refrigerated), protected from light
- For longer-term storage, keep frozen at -20°C in the original sealed vial
- Once reconstituted, refrigerate at 2–8°C and use within 30 days
- Avoid repeated freeze-thaw cycles once reconstituted
- Shelf life of 24 months from manufacture date when stored correctly
Bacteriostatic Water – Technical Specifications
Every batch of Bacteriostatic Water is independently analysed before dispatch. The values below describe the current research batch.
| Product Name | Bacteriostatic Water |
|---|---|
| CAS Number | 7732-18-5 (water); 100-51-6 (benzyl alcohol) |
| Molecular Formula | H2O; C7H8O |
| Molecular Weight | 18.02 g/mol (water); 108.14 g/mol (benzyl alcohol) |
| Quantity / Strength | 3mL | 10mL |
| Purity | USP Grade |
| Form | Sterile liquid |
| Batch Number | PA-0147 |
| Storage Conditions | Store at room temperature (15-25°C) |
| Category | Lab Supplies |
| Intended Use | Research Use Only — not for human consumption |
Bacteriostatic Water – Certificate of Analysis
Every batch of Bacteriostatic Water is independently tested before dispatch. View the full COA for the current batch below.
Certificate of Analysis (COA)
Batch Number PA-0147
≥ 99%
Purity
HPLC
Confirmed
Identity
Mass Spec
Pass
Heavy Metals
ICP-MS
Research Disclaimer
For Research Use Only — Not for Human Consumption
All products are strictly for laboratory and research use only. Not for human or veterinary use; not a drug, food or cosmetic, and not intended to diagnose, treat, cure or prevent any disease.
- Not for human or veterinary use
- No claims are made regarding safety or efficacy in humans
- Must be handled with appropriate laboratory safety equipment
- Purchaser assumes all responsibility for legal, compliant use
Bacteriostatic Water – Frequently Asked Questions
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