Bacteriostatic Water 10ML

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Item number: 7732‑18‑5/100‑51‑6

Molecular Formulas of Each Component

  • Water: H₂O

  • Benzyl Alcohol (preservative): C₇H₈O

Bacteriostatic water is sterile, non‑pyrogenic water with 0.9% benzyl alcohol added as a preservative. This preservative inhibits bacterial growth, making the solution suitable for multi‑dose use after opening.

Laboratories use bacteriostatic water for:

  • Reconstituting lyophilised compounds — peptides, proteins, and other freeze‑dried materials

  • Dilution of research substances — ensuring accurate concentrations

  • Multi‑withdrawal vial use — unlike sterile water, which must be discarded after one use

  • Maintaining sterility during repeated access — benzyl alcohol suppresses microbial growth

These uses are highlighted in research guides and lab‑protocol sources.