Bacteriostatic Water

Sterile water with 0.9% benzyl alcohol, used to reconstitute lyophilized peptide reference standards for laboratory dilution.

Bacteriostatic water is sterile-filtered water containing 0.9% benzyl alcohol as a preservative. In peptide research it is the standard diluent for reconstituting lyophilized reference standards. See the reconstitution calculator for concentration and volume math.