Top 20 Questions
Bacteriostatic Water — Common Questions Answered
Bacteriostatic water is used to prevent the growth of bacteria in solutions. It typically contains 0.9% benzyl alcohol. To use, add the recommended dose to your solution.
- ISO 9001:2015 US facility
- USP <71> sterility tested
- Per-lot Certificate of Analysis
- Same-day US shipping
Direct Answer
Bacteriostatic water is used to prevent the growth of bacteria in solutions. It typically contains 0.9% benzyl alcohol. To use, add the recommended dose to your solution.
Key Facts
- BAC Water Depot vials cost $9.99 each.
- USP <71> sterility testing is done per lot.
- BAC Water Depot uses ISO 9001:2015 facilities.
- Each lot is tested by three independent labs.
- Same-day US shipping is available before 2:00 PM CT.
Frequently Asked Questions
What is bacteriostatic water used for?
Bacteriostatic water is used to prevent the growth of bacteria in solutions. It typically contains 0.9% benzyl alcohol. To use, add the recommended dose to your solution.
How much does bacteriostatic water cost?
A single 10 mL vial of bacteriostatic water from BAC Water Depot costs $9.99. Discounts are available for bulk purchases, with 10-packs costing $74.99.
What is the difference between bacteriostatic and sterile water?
Sterile water is free from all microbial life, while bacteriostatic water contains an agent, such as benzyl alcohol, to prevent bacterial growth. USP <71> sterility testing is used to ensure the quality of sterile water.
How do I store bacteriostatic water?
Bacteriostatic water should be stored in a cool, dry place, away from direct sunlight. It is recommended to check the expiration date and Certificate of Analysis, which can be found by scanning the QR code on the vial from BAC Water Depot.
What is the shelf life of bacteriostatic water?
The shelf life of bacteriostatic water depends on the manufacturer and storage conditions. Typically, it is 2-3 years from the date of manufacture. Check the Certificate of Analysis for the specific shelf life of your product.
Can I use bacteriostatic water for injection?
To reconstitute a solution for injection, use sterile water that meets USP <71> standards. Bacteriostatic water may contain benzyl alcohol, which is not suitable for all applications.
How do I choose a high-quality bacteriostatic water supplier?
Look for a supplier that provides a per-lot Certificate of Analysis from independent third-party labs, such as BAC Water Depot. This ensures that each lot is tested for quality and purity, with results available for review.
Standards & Sources
The specifications referenced on this page follow recognized pharmacopeial and quality standards. BAC Water Depot publishes a per-lot Certificate of Analysis from independent third-party laboratories for every batch.
- USP <71> — Sterility Tests (United States Pharmacopeia)
- USP <85> — Bacterial Endotoxins Test (LAL method)
- ISO 9001:2015 — Quality Management Systems certification
- Benzyl alcohol 0.9% w/v — the bacteriostatic preservative standard for multi-dose vials