Medibact Store Category
Buy Bacteriostatic Water for Peptides — USP-Grade, 30 mL
Buy USP-grade bacteriostatic water for peptide reconstitution — Sterile Water for Injection, USP with a 0.9% benzyl alcohol preservative system, in 30 mL multi-dose vials, produced in an FDA-registered U.S. facility and shipped from the United States. Choose Standard or TM below. Supplied for research use only.
- USP-grade
- FDA-registered U.S. facility
- 0.9% benzyl alcohol
- 30 mL multi-dose
- Ships from the USA
- Research use only
Bacteriostatic Water for Injection, USP – 30 mL Multi-Dose Vial
USP-grade bacteriostatic water, 0.9% benzyl alcohol, 30 mL multi-dose vial. The standard research-supply option.
TM Bacteriostatic Water for Peptides – 30 mL
TM-format USP-grade bacteriostatic water, same 0.9% benzyl alcohol preservative system, 30 mL.
What you are buying
Both listings on this page are the same underlying specification: Bacteriostatic Water for Injection, USP — sterile water preserved with 0.9% benzyl alcohol, filled into a 30 mL multi-dose vial. The benzyl alcohol is what makes the vial “bacteriostatic”: it inhibits bacterial growth, which is why a multi-dose vial can be entered repeatedly, unlike preservative-free sterile water.
- Grade
- Bacteriostatic Water for Injection, USP (Sterile Water for Injection, USP)
- Preservative
- 0.9% benzyl alcohol
- Volume
- 30 mL multi-dose vial
- Manufactured in
- An FDA-registered facility in the United States
- Ships from
- United States
- Listings available
- Standard and TM
- Intended use
- Research use only — not for human or veterinary use
How far a 30 mL vial goes
The most common question behind “how much bacteriostatic water do I need” is really a capacity question, and it is answered by simple division: 30 mL divided by the volume used per reconstitution. This is why the 30 mL multi-dose format tends to work out cheaper per millilitre than buying a stack of 3 mL or 10 mL vials.
| Volume per reconstitution | One 30 mL vial covers | Context |
|---|---|---|
| 1 mL | 30 peptide vials | Common for small research vials |
| 2 mL | 15 peptide vials | Frequently used mid-range volume |
| 3 mL | 10 peptide vials | Larger reconstitution volume |
| 5 mL | 6 peptide vials | Low-concentration preparations |
These are container-capacity figures only — how many vials one bottle can fill, not a recommendation of how much diluent to use for any compound or any dose. To work out concentration in mg/mL for a specific vial, use the peptide reconstitution calculator.
Standard or TM — which listing?
Both products are 30 mL USP-grade bacteriostatic water with the same 0.9% benzyl alcohol preservative system, produced in an FDA-registered U.S. facility. They are two separate listings, not two different formulations, so the choice comes down to current availability and pricing on each product page rather than a difference in the water itself. The Standard vs TM comparison walks through how each listing is presented. For the 10 mL versus 30 mL question specifically, see the vial size comparison.
Bacteriostatic water: buying FAQ
Where can I buy bacteriostatic water for peptides?
You can buy it directly here. Medibact stocks USP-grade bacteriostatic water (30 mL, 0.9% benzyl alcohol) for research use, in Standard and TM options, produced in an FDA-registered U.S. facility and shipped from the United States.
Is this Bacteriostatic Water for Injection, USP?
Yes — this is USP-grade Bacteriostatic Water for Injection (Sterile Water for Injection, USP with 0.9% benzyl alcohol) in a 30 mL multi-dose vial, supplied for research use only.
How much bacteriostatic water do I get, and how far does a 30 mL vial go?
Each vial holds 30 mL. Because the number of peptide vials it can reconstitute is just division, a 30 mL bottle covers 30 reconstitutions at 1 mL each, 15 at 2 mL each, or 10 at 3 mL each. That is volume arithmetic only — it is not a dosing recommendation.
What does bacteriostatic water cost compared with smaller vials?
Cost per millilitre is what matters when comparing listings. A single 30 mL multi-dose vial holds the same volume as ten 3 mL vials or three 10 mL vials, so it generally lowers the per-millilitre cost versus buying several small vials separately. Current pricing is shown on each product page.
Do you sell 10 mL or 3 mL sizes?
Medibact stocks the 30 mL multi-dose format, which typically replaces several smaller 3 mL or 10 mL vials at a lower cost per millilitre. See the vial sizes comparison for a 10 mL vs 30 mL breakdown.
What is the difference between the Standard and TM listings?
Both are the same 30 mL USP-grade specification with the same 0.9% benzyl alcohol preservative system; they are two separate listings rather than two different formulations. The comparison page walks through how each listing is presented.
What does the benzyl alcohol in bacteriostatic water do?
Benzyl alcohol at 0.9% is the bacteriostatic preservative — it inhibits the growth of bacteria, which is what allows a multi-dose vial to be entered more than once. Sterile water for injection contains no preservative and is single-use by design.
How is bacteriostatic water shipped and stored?
It ships from the U.S.; see the shipping and returns page for current terms. Store at controlled room temperature away from light — refrigeration is not required and it should not be frozen. Product labeling for multi-dose bacteriostatic water commonly specifies discarding the vial within 28 days of first puncture.
Is this page a dosing, injection, or treatment guide?
No. Medibact does not provide medical advice or recommend use, dosing, injection, or treatment protocols. All products are for research use only.
Research-use support resources
Compliance note: Medibact does not provide medical advice or recommend use, dosing, injection, or treatment protocols.