Sourcing Guide
Bacteriostatic Water For Injection Walgreens
BAC Water Depot sells bacteriostatic water directly through its website and partners with US fulfillment centers that ship to all 50 states. While Walgreens carries generic versions, BAC Water Depot offers a USP <71>‑tested product with a per‑lot Certificate of Analysis for $9.99 per 10 mL vial. Shipping is same‑day on orders before 2:00 PM CT, ensuring you receive the product quickly without needing to visit a physical pharmacy.
- ISO 9001:2015 US facility
- USP <71> sterility tested
- Per-lot Certificate of Analysis
- Same-day US shipping
Direct Answer
BAC Water Depot provides USP‑grade bacteriostatic water for injection made in a US‑based ISO 9001:2015 facility and tested per USP <71> sterility standards. Each 10 mL vial retails for $9.99 and ships same‑day on orders placed before 2:00 PM CT from a US fulfillment center.
What are the storage and stability requirements for bacteriostatic water for injection?
Bacteriostatic water from BAC Water Depot must be stored between 2 °C and 8 °C (36 °F‑46 °F) to maintain the 0.9 % benzyl alcohol preservative efficacy. Exposure to temperatures above 25 °C for more than 48 hours can accelerate degradation, reducing sterility assurance to below the USP <71> requirement of 10⁻⁶ probability of a viable organism per unit. The manufacturer recommends checking the vial’s expiration date, typically 24 months from the date of manufacture, and discarding any product that shows cloudiness, precipitation, or a change in pH, which are common failure modes indicating compromised sterility. When a vial is removed from refrigeration for use, the water should be allowed to equilibrate to room temperature (20 °C‑25 °C) within 30 minutes before reconstitution. Prolonged exposure to ambient conditions beyond 4 hours can cause the benzyl alcohol to evaporate, increasing the risk of bacterial growth during multi‑dose use. To prevent this, reseal the vial with the original sterile cap and return it promptly to a refrigerated environment. Documentation of lot numbers via the QR code helps track storage history and identify any batches that may have experienced temperature excursions during transit.
How does the per‑lot Certificate of Analysis (CoA) ensure consistency across batches?
Each lot of BAC Water Depot bacteriostatic water undergoes three independent third‑party laboratory tests covering sterility (USP <71>), endotoxin levels (≤0.5 EU/mL), and benzyl alcohol concentration (0.9 % ± 0.05 %). The resulting per‑lot Certificate of Analysis is uploaded to a scannable QR code on the vial label, allowing end users to verify that the specific batch meets all specifications before use. This transparency reduces batch‑to‑batch variability, a common source of dosing errors in research protocols that rely on precise diluent volumes. The CoA also records the manufacturing date, lot number, and the ISO 9001:2015 registration number of the facility, providing an audit trail for regulatory compliance. In practice, laboratories can cross‑reference the CoA with their internal QC logs to confirm that the sterility test passed with a 100 % success rate (no microbial growth after 14 days incubation). Any deviation, such as an endotoxin result above the 0.5 EU/mL threshold, would trigger a batch quarantine and a repeat test, preventing compromised product from reaching the end user.
Can bacteriostic water be used for multi‑dose vials and what precautions are needed?
BAC Water Depot’s bacteriostatic formulation is specifically designed for multi‑dose use; the 0.9 % benzyl alcohol acts as a preservative that inhibits bacterial proliferation for up to 28 days after the first entry, provided the vial is stored correctly. However, each entry must be performed with aseptic technique: use a sterile syringe and needle, wipe the rubber stopper with 70 % isopropyl alcohol, and avoid touching the stopper with non‑sterile surfaces. Failure to follow these steps can introduce contaminants, leading to a breach of the USP <71> sterility guarantee. A common failure mode is the formation of a biofilm on the stopper after repeated punctures, especially if the vial is left open to the environment for longer than 5 minutes. To mitigate this, limit the number of entries to a maximum of 30 per vial and discard any vial that shows visible residue or a change in odor. Document each entry date in a lab log; if the cumulative storage time exceeds 28 days, replace the vial regardless of visual inspection, as preservative efficacy diminishes over time.
Comparison of BAC Water Depot Bacteriostatic Water Pricing and Sterility Specifications
| Package Size (vials) | Unit Price (USD) | USP <71> Sterility Pass Rate | Benzyl Alcohol % (±0.05) |
|---|---|---|---|
| 1 × 10 mL | $9.99 | 100 % | 0.90 % |
| 10 × 10 mL | $7.49 | 100 % | 0.90 % |
| 25 × 10 mL | $7.49 | 100 % | 0.90 % |
| 50 × 10 mL | $6.99 | 100 % | 0.90 % |
| 150 × 10 mL | $6.74 | 100 % | 0.90 % |
| 500 + × 10 mL | $6.49 | 100 % | 0.90 % |
Key Facts
- BAC Water Depot bacteriostatic water is manufactured in a US‑based ISO 9001:2015 registered facility.
- Each vial is USP <71> sterility tested per lot with a 10⁻⁶ probability of viable organism.
- The preservative concentration is 0.9 % benzyl alcohol with a tolerance of ±0.05 %.
- Per‑lot Certificates of Analysis are provided by three independent third‑party laboratories.
- Orders placed before 2:00 PM CT ship same‑day from a US fulfillment center.
Frequently Asked Questions
Where can I buy bacteriostatic water for injection near Walgreens?
BAC Water Depot sells bacteriostatic water directly through its website and partners with US fulfillment centers that ship to all 50 states. While Walgreens carries generic versions, BAC Water Depot offers a USP <71>‑tested product with a per‑lot Certificate of Analysis for $9.99 per 10 mL vial. Shipping is same‑day on orders before 2:00 PM CT, ensuring you receive the product quickly without needing to visit a physical pharmacy.
Is bacteriostatic water from BAC Water Depot safe for reconstituting peptides?
Yes. The water meets USP <71> sterility standards and contains 0.9 % benzyl alcohol, which prevents bacterial growth for up to 28 days after the first entry. To reconstitute a peptide, use a sterile 1 mL syringe, withdraw the required volume, and add it to the peptide vial, swirling gently—avoid shaking to prevent foaming. Record the lot number from the QR‑linked CoA to maintain traceability for your research documentation.
How long does bacteriostatic water stay sterile after opening?
When stored at 2 °C‑8 °C and handled with aseptic technique, BAC Water Depot bacteriostatic water remains sterile for up to 28 days after the first entry. The 0.9 % benzyl alcohol preservative inhibits bacterial proliferation, but the vial must be resealed promptly and returned to refrigeration. If the stopper shows any residue, cloudiness, or odor, discard the vial regardless of the 28‑day window.
What is the difference between bacteriostatic water and normal sterile water for injection?
Bacteriostatic water contains 0.9 % benzyl alcohol, which provides antimicrobial protection for multi‑dose use, whereas normal sterile water for injection contains no preservative and is intended for single‑use applications. BAC Water Depot’s product complies with USP <71> sterility testing and includes a per‑lot Certificate of Analysis, offering documented assurance of both sterility and preservative concentration. Normal sterile water must be used within 24 hours of opening to avoid contamination.
Can I use bacteriostatic water for intramuscular injections in humans?
BAC Water Depot’s bacteriostatic water is labeled for research use only and is not FDA‑approved for human administration. While the product meets USP <71> sterility standards, the presence of benzyl alcohol may cause irritation in some patients. For clinical applications, use USP‑listed sterile water for injection that is explicitly approved for human use.
How do I verify the lot number and quality of my bacteriostatic water?
Each BAC Water Depot vial has a scannable QR code that links directly to the online Certificate of Analysis at bacwaterdepot.com/coa/[lot-number]. The CoA lists the manufacturing date, USP <71> sterility test result, endotoxin level, and benzyl alcohol concentration. By scanning the code, you can confirm that the specific lot you received passed all three independent laboratory tests before use.
What are common reasons for bacterial contamination despite using bacteriostatic water?
Contamination most often occurs from improper aseptic technique, such as touching the vial stopper with non‑sterile gloves or using a contaminated syringe. Another frequent cause is exceeding the 28‑day storage limit after the first entry, which allows preservative efficacy to decline. Finally, temperature excursions above 25 °C for extended periods can degrade benzyl alcohol, reducing its antimicrobial activity. Following strict sterile practices and adhering to storage guidelines mitigates these risks.
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