Description
Bacteriostatic Water
For Injection, USP · 30 mL
The gold-standard sterile diluent for peptide reconstitution — sterile, non-pyrogenic water preserved with 0.9% benzyl alcohol, enabling repeated withdrawals from a single multi-dose vial without compromising sterility.
Sterile water, preserved — the standard solvent for reconstituting lyophilized peptides.
| Bacteriostatic water is sterile water containing a small amount of benzyl alcohol (0.9%), a preservative that inhibits bacterial growth inside the vial. Unlike plain sterile water — which must be used immediately and discarded — a bacteriostatic vial can be accessed repeatedly over an extended period, making it the preferred medium for multi-use research work.
e-bAC Bacteriostatic Water is manufactured under FDA-regulated cGMP conditions, non-pyrogenic, and shipped fresh from a temperature-controlled U.S. facility. Benzyl alcohol is chemically inert with most research compounds, maintaining the stability of reconstituted solutions under refrigeration. |
One 30 mL multi-dose vial supports repeated withdrawals for up to 28 days after first puncture — the reason it’s the standard choice for extended reconstitution work.
|
Four reasons it’s the researcher’s default diluent.
i
Preserved Sterility0.9% benzyl alcohol inhibits bacterial growth within the vial, allowing multiple withdrawals over time without compromising sterility. |
ii
Multi-Dose VialA single 30 mL vial supports many reconstitutions across a project — ideal for extended, multi-day research protocols. |
iii
Non-PyrogenicFree of endotoxins and particulate matter, manufactured under FDA-regulated cGMP conditions to pharmaceutical-grade standards. |
iv
Peptide-CompatibleBenzyl alcohol is chemically inert with most research compounds, preserving the stability of reconstituted solutions under refrigeration. |
Bacteriostatic vs. Sterile Water
Plain sterile water contains no preservative — it must be used immediately and the remainder discarded. Bacteriostatic water’s 0.9% benzyl alcohol lets a single vial be punctured and drawn from repeatedly for up to 28 days, which is precisely why it, not sterile water, is the standard diluent for multi-use peptide reconstitution.
Common laboratory uses — strictly research purposes.
A.01
Peptide ReconstitutionThe standard solvent for reconstituting lyophilized (freeze-dried) research peptides into stable working solutions. |
A.02
Compound DilutionDilution of laboratory compounds that require a preserved, sterile aqueous medium. |
A.03
Multi-Day ProtocolsExperimental workflows that require repeated draws from a single vial across an extended timeline. |
A.04
In Vitro & CultureGeneral-purpose diluent for in vitro research and cell-culture preparation. |
The questions researchers ask most.
Is bacteriostatic water the same as sterile water?
No. Sterile water contains no preservative and must be used immediately. Bacteriostatic water contains 0.9% benzyl alcohol, which prevents bacterial growth and allows the vial to be reused for up to 28 days after opening.
How long does bac water last after opening?
Per the manufacturer’s label, bacteriostatic water should be used within 28 days of the initial puncture when stored at controlled room temperature.
Why is e-bAC the preferred brand?
e-bAC bacteriostatic water is manufactured under FDA-regulated cGMP conditions, non-pyrogenic, and shipped fresh from a temperature-controlled U.S. facility with long-dated expiration windows — a consistent, reliable diluent for peptide reconstitution.
What size is this vial?
This listing is for a single 30 mL multi-dose vial (MDV) of e-bAC Bacteriostatic Water for Injection, USP.
Do you ship fresh stock?
Yes. All vials are in-date with long expiration windows and shipped directly from a temperature-controlled U.S. facility. Orders placed before 2:00 PM (MST) ship the same business day.
Full product detail.
| Product Name | Bacteriostatic Water for Injection, USP |
| Brand | e-bAC |
| Volume | 30 mL |
| Vial Type | Multi-Dose Vial (MDV) |
| Preservative | 0.9% Benzyl Alcohol |
| pH | Approximately 5.7 (4.5–7.0) |
| Appearance | Clear, colorless solution |
| Storage | Room temperature (20°C–25°C / 68°F–77°F) |
| Shelf Life After Opening | Up to 28 days when stored properly |
| Country of Origin | United States |
This product is sold strictly for laboratory research purposes. It is not intended for human consumption, diagnostic use, or therapeutic application. Keep out of reach of children. Customers must be at least 21 years of age to purchase. By purchasing, you confirm you are a qualified researcher or professional using this product in accordance with all applicable laws.
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