What is Benzyl Alcohol 0.9%, and why do researchers use it?
Benzyl Alcohol 0.9% is a bacteriostatic preservative. It stops bacteria from growing in reconstituted peptide solutions. So your vials stay stable longer. Also, it slows peptide degradation after mixing. Most research protocols that call for multi-use peptide vials require a BA-based solvent. This is the standard 0.9% concentration.
Short answer: it keeps reconstituted peptides viable across multiple draws from the same vial.
What are the Benzyl Alcohol 0.9% specs for this product?
| Specification | Detail |
|---|---|
| Product name | Benzyl Alcohol 0.9% |
| Formula | C₇H₈O (PhCH₂OH) |
| CAS number | 100-51-6 |
| Concentration | 0.9% (v/v) in water for injection |
| Purity | ≥99.2% (Janoshik verified) |
| Form | Sterile aqueous solution |
| Appearance | Clear, colorless liquid |
| pH range | 4.5 – 7.0 |
| Storage | 15°C – 25°C, away from light |
| Vial type | Multi-dose septum vial |
| Testing lab | Janoshik Analytical |
Is Benzyl Alcohol 0.9% tested and does it come with a COA?
Yes. Every batch is third-party tested at Janoshik Analytical an independent lab used widely across the research peptide space. However, we don’t rely on internal testing alone. Janoshik tests are public and verifiable. So you can check the results yourself. The COA is available on the product listing at globalpeptidesofficial.com.
Purity confirmed at ≥99.2%. COA available. No assumptions needed just read the report.
How do you use Benzyl Alcohol 0.9% to reconstitute peptides?
First, use a clean laminar flow environment or at minimum a sanitized workspace. Next, draw the required volume of BA solution into a sterile syringe. Then inject slowly into the lyophilized peptide vial aim for the vial wall, not the powder directly. Finally, swirl gently. Never shake. But also never rush: let the powder dissolve on its own. Therefore, patience here protects peptide integrity.
Standard ratio: 1–2 mL of BA water per 5 mg peptide vial. Always verify your specific protocol.
How does Benzyl Alcohol 0.9% compare to plain bacteriostatic water?
Both use benzyl alcohol as the preservative. However, standard bacteriostatic water from hospital or pharmacy sources often comes unlabeled by concentration. Also, some sources use 0.9% NaCl instead of water for injection as the base. Our product uses WFI (water for injection) as the base. So the formulation is clean. There are no saline additives. Therefore it’s suitable for a wider range of peptide reconstitution work.
Same preservative mechanism. Cleaner base. Consistent concentration every batch.
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