💧（ Dissolving Peptide Powders）Reconstitution Solution

Product Features 🌟
🔬 Preserves Bioactivity – Protects the integrity and activity of sensitive peptides such as semaglutide, BPC-157, CJC-1295, and others
🔄 Versatile Compatibility – Suitable for water-soluble peptide powders and most proteins, supporting a wide range of experimental applications
🧴 Sterile and Ready-to-Use – Prepared under sterile conditions to ensure clean, contamination-free reconstitution
✨ Easy to Use – Designed for laboratories requiring precise dissolution and minimal handling effort

Instructions for Use 📝
✅ Identify the peptide type and refer to the specific reconstitution guidelines
💧 Add the recommended volume of reconstitution solution to the lyophilized vial
🔄 Gently swirl or shake slowly until completely dissolved; avoid vigorous shaking to prevent degradation
⏱️ Use immediately after dissolution, or store according to the peptide’s stability conditions

Most people use:

• Bacteriostatic Water (BAC water)
• Insulin syringes for dosing accuracy

A common beginner setup is:

• 5mg peptide + 2mL BAC water
  because it makes dosing easier to calculate.

Example:

• 5mg peptide
• Add 2mL water
• Result:
  • 0.1mL = 250mcg

Bacteriostatic Water is a sterile aqueous solution containing 0.9% benzyl alcohol, formulated to inhibit the growth and proliferation of microorganisms without directly destroying them. This bacteriostatic property makes it a critical resource in laboratory, experimental, and research environments, where sterility, chemical stability, and repeated vial access are essential.

Within controlled research workflows, bacteriostatic water is most commonly utilized as a diluent for the reconstitution of lyophilized (freeze-dried) research compounds, including peptides, proteins, and other sensitive materials that require precise hydration prior to experimental application. The presence of benzyl alcohol allows the solution to remain bacteriostatic after initial vial access, provided that strict aseptic techniques are maintained throughout handling.

Unlike preservative-free sterile water, which is intended for single-use laboratory applications, bacteriostatic water is designed to support multi-dose access in controlled research settings. This reduces material waste, supports procedural efficiency, and lowers the risk of accidental microbial introduction during repeated laboratory manipulation.

When used in conjunction with high-purity research materials, including LPS-free peptides, endotoxin-free peptides, and research peptides that are endotoxin tested, bacteriostatic water contributes to maintaining experimental consistency and reproducibility. Its formulation supports predictable dilution behavior and helps preserve the chemical stability and structural integrity of sensitive research compounds over extended study timelines.

It is important to note that while benzyl alcohol suppresses microbial growth, it does not sterilize contaminated solutions. Therefore, comprehensive laboratory sanitation protocols, validated storage conditions, and disciplined handling practices remain mandatory.

Due to these properties, bacteriostatic water has become a foundational component in modern research laboratories where precision, sterility, and compound integrity are required across long-term experimental programs.

“Note: Bacteriostatic Water is sold as a research reagent for peptide reconstitution. It is not a medical product and must not be used for any human or veterinary injection.”

Endotoxin Note: Reconstitution Solution is endotoxin-screened at the compound level. Full LAL test results available in the product COA.

Why Researchers Choose Licensed Peptides

Not all peptide vendors hold themselves to the same verification standards.

Verification Standard	Licensed Peptides	Generic Vendors
HPLC Purity Analysis	99%+ Every Batch	Often Not Disclosed
Mass Spectrometry Identity	Sequence Confirmed	Rarely Available
Endotoxin Screening (LAL)	Every Product	Industry Exception
GMP-Certified USA Manufacture	ISO 9001:2015	Often Overseas
COA Published & Downloadable	Every Lot	Inconsistent
Same-Day USA Fulfillment	Before 4PM PST	3-10 Day Lead Time

 

Frequently Asked Questions

1. What is Bacteriostatic Water?

Bacteriostatic Water is a sterile water solution containing 0.9% benzyl alcohol, which functions as a preservative to inhibit bacterial growth. This formulation allows the solution to remain usable for multiple withdrawals over a defined period when handled properly under aseptic laboratory conditions.

2. What is the purpose of Bacteriostatic Water in research?

This bacteriostatic water is sold as a research reagent for peptide reconstitution. It is not a medical product and must not be used for any human or veterinary injection.

3. What is the difference between sterile water and bacteriostatic water?

Sterile water contains no preservatives and is intended for single-use applications only. Bacteriostatic water includes benzyl alcohol, permitting multi-dose use within controlled laboratory settings.

4. Why is Bacteriostatic Water commonly used in peptide research?

Peptides and similar research compounds often require a stable, sterile diluent. Bacteriostatic water provides predictable reconstitution behavior and supports repeated access without immediate contamination risk.

5. What makes Bacteriostatic Water different from saline?

Saline contains sodium chloride, whereas bacteriostatic water contains only sterile water and benzyl alcohol. They are not interchangeable unless specifically indicated by research protocols.

6. Is Bacteriostatic Water designed for multiple withdrawals?

Yes. The presence of benzyl alcohol allows the solution to remain bacteriostatic, supporting repeated vial access when proper aseptic techniques are consistently followed.

7. How long does Bacteriostatic Water remain usable after opening?

When stored correctly and handled aseptically, bacteriostatic water is generally viable for up to 28 days following the first vial puncture. 

8. Does Bacteriostatic Water contain alcohol?

Yes. It contains 0.9% benzyl alcohol, which serves solely as a preservative to inhibit microbial growth.

9. Is refrigeration required after opening?

Refrigeration is not strictly required but is often preferred in laboratory settings to help support prolonged stability after opening.

10. Can Bacteriostatic Water be used alone as a research substance?

No. It is intended exclusively as a diluent or reconstitution medium for other research compounds.

11. What should be done if particles or cloudiness appear?

If the solution shows any discoloration, cloudiness, or visible particles, it should be discarded immediately, as this may indicate contamination.

12. Why does Bacteriostatic Water typically cost more than sterile water?

The inclusion of a preservative, multi-dose design and more stringent production standards contribute to its higher cost, along with its extended usability.

13. How can researchers verify if their Bacteriostatic Water is still viable?

Researchers should confirm that:

The solution remains clear and particle-free

The expiration date has not passed

Fewer than 28 days have elapsed since initial use

15. Why is bacteriostatic water preferred when working with LPS-free peptides?

Bacteriostatic water supports controlled reconstitution of LPS-free peptides by reducing the risk of microbial proliferation during repeated vial access, helping preserve low endotoxin conditions critical for sensitive research assays.

16. Is bacteriostatic water suitable for endotoxin-free peptide studies?

Yes. When paired with endotoxin-free peptides, bacteriostatic water helps maintain solution integrity during multi-use laboratory workflows, provided endotoxin-controlled handling and storage protocols are followed.

17. How does bacteriostatic water support research peptides that are endotoxin tested?

For research peptides endotoxin tested prior to use, bacteriostatic water enables consistent dilution and repeat access without significantly increasing microbial risk, supporting reproducible experimental outcomes.

18. Does bacteriostatic water remove endotoxins from peptides?

No. Bacteriostatic water does not neutralize or remove endotoxins. It is used strictly as a controlled diluent, and endotoxin control depends on peptide purity, validated testing, and proper laboratory handling