Bacteriostatic Water

(Diluting Agent)

Bacteriostatic Water

Bacteriostatic water is designed solely for parenteral use only after addition of drugs that require dilution or must be dissolved in an aqueous vehicle prior to injection.

Bacteriostatic Water for Injection, USP is a sterile, nonpyrogenic preparation of water for injection containing 0.9% (9 mg/mL) of benzyl alcohol added as a bacteriostatic preservative. It is supplied in a multiple-dose container from which repeated withdrawals may be made to dilute or dissolve drugs for injection. The pH is 5.7 (4.5 to 7.0).


After diluting it with the Lyophilized powder it keeps the potency of that particular salt alive for the next 28 days so as to keep it up for use.

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