Bacteriostatic Water 3ml: The Essential Multi-Dose Solvent for Peptide Reconstitution & Research

If you work with lyophilised research peptides, you understand that the quality of your diluent is just as critical as the purity of your peptides. Bacteriostatic water 3ml provides the sterile, preservative‑containing solution you need to reconstitute peptides safely and repeatedly over extended research timelines. Each 3 mL multi‑dose vial contains sterile water for injection with 0.9% benzyl alcohol (9 mg/mL) as a bacteriostatic preservative. This formulation inhibits bacterial growth in the reconstituted solution, making it the preferred choice for preparing multi‑use peptide stock solutions in laboratory settings.

At Chinese Grey Peptides, we supply lab‑grade bacteriostatic water 3ml to research institutions and wholesale buyers across the United Kingdom, France, Germany, Spain, Sweden, Italy, and the USA. Every vial is sterile‑filtered through a 0.22 µm filtration process, manufactured under GMP‑compliant conditions, and accompanied by a Certificate of Analysis (COA). This ensures your peptide reconstitution protocols begin with a diluent you can trust.

What Is Bacteriostatic Water 3ml and Why Is It Essential for Research?

Multi-Dose Design Reduces Waste and Saves Costs

Unlike sterile water for injection (SWFI), which must be discarded after a single use, bacteriostatic water with 0.9% benzyl alcohol allows for repeated withdrawals from the same vial without compromising sterility. The benzyl alcohol preservative inhibits bacterial growth, supporting an in‑use period of up to 28 days after the first puncture when proper aseptic technique is followed. A 3 mL vial is the ideal size for single‑peptide reconstitution, providing enough volume for multiple experimental applications while minimising waste. Typical peptide vials will hold 2–2.5 mL of bacteriostatic water at most, making the 3 mL format perfectly suited for standard research protocols.

Protects Peptide Stability and Integrity

Research peptides are highly sensitive to contamination and degradation. Bacteriostatic water is generally considered the most optimal diluent for multi‑dose vials, as it extends stability. At the 0.9% concentration used in bacteriostatic water, benzyl alcohol provides effective antimicrobial protection without significantly affecting the physical or chemical stability of the peptide in solution.

USP-Grade Quality and pH Compatibility

Bacteriostatic Water for Injection, USP has a pH range of 4.5 to 7.0, with a typical value of 5.7. This broad pH compatibility makes it suitable for reconstituting a wide array of research compounds, from peptides and proteins to antibodies and other lyophilised materials.

Technical Specifications

Bacteriostatic Water 3ml vs. Sterile Water: Key Differences

Reconstitution and Handling Best Practices

Proper handling of bacteriostatic water 3ml is essential to maintain sterility and extend the in‑use period of each vial. Follow these research‑proven protocols for optimal results.

Step 1 – Preparation and Vial Inspection

• Bring the sealed bacteriostatic water vial and your lyophilised peptide vial to room temperature for approximately 30 minutes before starting.

• Inspect the bacteriostatic water vial for any discolouration, cloudiness, or visible particles. Discard the vial if the solution appears compromised.

• Clean your work surface with 70% ethanol and lay out sterile syringes, alcohol wipes, and a clean work mat.

Step 2 – Vial Sanitisation

• Wipe the rubber stopper of the bacteriostatic water vial with a fresh 70% ethanol wipe. Allow the alcohol to evaporate completely before piercing.

• Wipe the stopper of the peptide vial as well.

• Use a sterile needle and syringe for every withdrawal to avoid contamination.

Step 3 – Reconstitution

• Draw the required volume of bacteriostatic water into a sterile syringe. A typical peptide vial will hold 2–2.5 mL of bacteriostatic water at most.

• Insert the needle and slowly inject the bacteriostatic water against the inner glass wall of the peptide vial. Do not spray directly onto the lyophilised powder.

• Gently swirl the vial until the peptide is fully dissolved. Do not shake vigorously.

Step 4 – Storage and In‑Use Management

• After reconstitution, refrigerate peptide solutions at 2–8°C.

• Under these conditions, reconstituted peptides remain viable for 14 to 28 days.

• Record the date of first puncture on the bacteriostatic water vial label.

• Discard any remaining bacteriostatic water 28 days after first puncture.

Concentration Reference Table

Adjust diluent volume based on your experimental requirements. A common ratio is 1 mL of bacteriostatic water for every 1–2 mg of peptide.

Storage and Stability Guidelines

Why Choose Chinese Grey Peptides for Bacteriostatic Water 3ml?

As an authentic licensed peptide supplier based in the USA, we supply bacteriostatic water 3ml and a comprehensive range of research‑grade peptides and laboratory reagents under rigorous quality assurance protocols, fully aligned with Google’s E‑E‑A‑T standards (Experience, Expertise, Authoritativeness, Trustworthiness).

• Verified Quality: Each batch is manufactured under strict quality control conditions, with batch‑to‑batch consistency and material traceability.

• Sterile Filtration: Purified using a 0.22 µm filtration process and aseptically filled to ensure sterility and non‑pyrogenicity.

• Third‑Party Testing: Independent laboratory verification with batch‑specific Certificates of Analysis (COA) available for every order.

• Premium Packaging: Supplied in high‑quality sterile vials with premium rubber stoppers.

• Wholesale Supply: We serve research institutions, laboratories, and wholesale buyers across the UK, EU, and USA with flexible volume pricing and reliable logistics.

• USA‑Based Regulatory Compliance: All products are supplied strictly as research‑grade reagents for laboratory use only (RUO).

Researchers across the United States—including those at leading institutions—trust us for fast domestic delivery, transparent documentation, and professional technical support.

FAQ: Bacteriostatic Water 3ml

 What is bacteriostatic water 3ml?
Bacteriostatic water is a sterile, non‑pyrogenic preparation of water for injection containing 0.9% (9 mg/mL) benzyl alcohol as a bacteriostatic preservative. It is supplied in 3 mL multi‑dose vials and is used to dilute or dissolve research reagents that require an aqueous vehicle.

 Why is bacteriostatic water preferred over sterile water for peptide reconstitution?
Unlike sterile water for injection, which must be discarded after a single use, bacteriostatic water contains 0.9% benzyl alcohol that inhibits bacterial growth, allowing for repeated withdrawals from the same vial over up to 28 days.

 What is the in‑use period for bacteriostatic water after opening?
With proper aseptic technique, bacteriostatic water can be used for up to 28 days after the first puncture. Always record the date of first use on the vial label and discard after 28 days.

 How should I store bacteriostatic water?
Store unopened vials at controlled room temperature, away from direct sunlight and heat sources. Once opened, maintain aseptic technique and use within 28 days.

 How should I reconstitute peptides with bacteriostatic water?
Allow both the peptide and bacteriostatic water vials to reach room temperature for 30 minutes. Wipe the vial stoppers with alcohol, draw the required volume of bacteriostatic water, and inject slowly against the inner glass wall of the peptide vial. Gently swirl to dissolve—do not shake.

 What is the pH of bacteriostatic water?
The pH range is 4.5 to 7.0, with a typical value of 5.7.

 Is bacteriostatic water suitable for all research peptides?
Bacteriostatic water is the most widely used reconstitution solvent in research peptide laboratories. Its broad pH compatibility makes it suitable for most peptides, proteins, and antibodies. Always consult the reagent datasheet for recommended diluent and pH.

Is bacteriostatic water legal to purchase in the USA for research?
Yes. Bacteriostatic water is a laboratory reagent sold for research use only (RUO). It is fully legal to purchase, possess, and use in the United States for legitimate in‑vitro or in‑vivo scientific research, provided it is not marketed with therapeutic claims.

Does Chinese Grey Peptides ship internationally?
Yes. We ship across the UK, Europe (France, Germany, Spain, Sweden, Italy), and the USA from our US warehouse. Wholesale pricing is available for bulk orders.

Wholesale Bacteriostatic Water 3ml Supply

Chinese Grey Peptides supports wholesale and bulk enquiries for buyers in the USA and international markets.

We Support Enquiries From:

• United States
• Canada
• United Kingdom
• France
• Germany
• Spain
• Sweden
• Italy
• Wider Europe

For larger bacteriostatic water 3ml enquiries, contact our team before ordering. This helps confirm stock, documentation, shipping options, packaging format, and buyer requirements.

Where to Source Bacteriostatic Water 3ml in the USA

If you are searching for where to source Bacteriostatic Water 3ml USA, Chinese Grey Peptides provides a simple professional enquiry process.

Professional Enquiry Process

1. Review the product details.
2. Check the current label and packaging information.
3. Confirm the vial size is 3ml.
4. Ask about batch documentation.
5. Ask about storage and expiry information.
6. Confirm your shipping country.
7. Discuss wholesale quantity requirements.
8. Complete buyer verification where required.
9. Place a professional enquiry with support from our team.

 

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From single‑use peptide reconstitution to multi‑day experimental workflows, bacteriostatic water 3ml provides the sterility, stability, and cost‑efficiency that research laboratories demand. The 0.9% benzyl alcohol preservative enables repeated withdrawals over up to 28 days, reducing waste and protecting the integrity of your reconstituted peptides. Each 3 mL vial is supplied in a premium sterile container with a rubber stopper, ensuring sterility and chemical resistance throughout your research protocols. By choosing lab‑grade, third‑party tested bacteriostatic water from Chinese Grey Peptides, you ensure that your peptide reconstitution is built on a foundation of quality, reproducibility, and scientific integrity.

Ready to stock your lab with bacteriostatic water 3ml? Browse our product catalogue, request a wholesale quote, or contact our support team today to discuss your laboratory’s specific needs. Place your order now and receive GMP‑grade bacteriostatic water delivered directly to your facility in the USA, UK, or Europe.