Why BAC Water Is the Gold Standard for Peptide Reconstitution

Published by Insulfine | Research Use Only

What Is BAC Water?

Bacteriostatic Water for Injection is sterile water preserved with 0.9% benzyl alcohol. The benzyl alcohol acts as a bacteriostatic agent, inhibiting the growth of most bacteria and allowing the solution to be used multiple times from the same vial — a critical advantage in research workflows where a single peptide vial may be accessed repeatedly.

Why It Matters for Peptide Research

Lyophilized peptides are highly sensitive to contamination and degradation. Using non-sterile or improperly preserved water can compromise your sample integrity, skew your results, and waste expensive reagents. BAC Water provides:

  • Extended vial usability — multiple draws without contamination risk
  • Stable pH — minimizes peptide degradation during reconstitution
  • Sterile filtration — reduces particulate matter that can interfere with assays
  • Consistent concentration — precise volumes (10 mL and 30 mL) for accurate dosing calculations

Choosing the Right Pack Size

Whether you're running a short pilot study or managing a high-throughput lab, having the right quantity on hand reduces waste and keeps your workflow uninterrupted. Insulfine BAC Water is available in flexible pack sizes — from 3-packs for smaller projects to 12-packs for ongoing research programs.

👉 Shop all pack sizes at insulfine.com

Best Practices for Reconstitution

  1. Allow the lyophilized peptide to reach room temperature before opening.
  2. Add BAC Water slowly along the side of the vial — never inject directly onto the powder.
  3. Gently swirl (do not shake) until fully dissolved.
  4. Store reconstituted peptides at 2–8°C and use within the recommended timeframe.

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Insulfine BAC Water Reconstitution Solution is intended for research use only (RUO). Not for human or veterinary use.