Bacteriostatic Water 10ml – Peptide Stability & Solubility in Preserved Aqueous Media Research

Description

What is Bacteriostatic Water & CAS 100-51-6 (Benzyl Alcohol)?

Bacteriostatic Water is a highly purified, sterile preparation of water for injection containing 0.9% Benzyl Alcohol (CAS 100-51-6) as a bacteriostatic preservative. In the field of biochemical research, it serves as the primary diluent for transforming lyophilized peptide powders into a liquid state suitable for laboratory analysis. The addition of Benzyl Alcohol effectively inhibits the growth of potentially contaminating bacteria, making it the industry standard for multi-dose vial applications where the solution must remain sterile over an extended period.

At 99Purity-Peptide, our Bacteriostatic Water is processed through rigorous filtration and sterilization protocols to ensure it meets clinical-grade precision. This specialized solvent is engineered to protect the molecular integrity of research-grade peptides, preventing premature degradation and ensuring that experimental data remains consistent and reproducible across multiple sessions.

Bacteriostatic Water Mechanism of Action and Research

The primary mechanism of Bacteriostatic Water lies in its preservative agent, Benzyl Alcohol. At a concentration of 0.9%, it acts as a bacteriostat by disrupting the cellular membranes of microorganisms, thereby preventing their replication within the vial. In laboratory environments, this allows researchers to reconstitute fragile peptides—such as those in the Neuro or Metabolic categories—and utilize the same vial for sequential experiments without the risk of microbial contamination.

Research focusing on peptide shelf-life emphasizes the importance of using stabilized solvents to maintain the bio-activity of synthetic analogs. Studies indicate that while sterile water for injection is suitable for single-use, Bacteriostatic Water is superior for multi-dose research protocols due to its ability to maintain a sterile environment for up to 28 days after the initial vial puncture, provided proper refrigeration is maintained.

Trending Research Topics & High-Authority Insights:

• Bacteriostatic vs. Sterile Water in Peptide Stability: Evaluating the long-term viability of reconstituted analogs.

• Efficacy of Benzyl Alcohol as a Preservative: Investigating microbial inhibition in multi-dose research vials.

• Antimicrobial Preservative Effectiveness in Pharmaceutical Preparations – ScienceDirect

• Safety and Stability of Multi-dose Reconstitution Solvents – PubMed

Bacteriostatic Water Specifications

Feature	Specification
Product Name (Alias)	Bacteriostatic Water / Bac. Water
Available Strengths	3ml, 5ml, 10ml
Physical Appearance	Clear, Colorless, Sterile Liquid
Purity/Composition	Sterile Water with 0.9% Benzyl Alcohol
Storage Instructions	Store at 20°C to 25°C (68°F to 77°F); Avoid Freezing
Molecular Formula (Preservative)	$C_{7}H_{8}O$ (Benzyl Alcohol)
Molecular Weight	108.14 g/mol

Bacteriostatic Water Key Features & Benefits

• Universal Peptide Solvent: Specifically engineered for the safe reconstitution of all research peptides, including Semax, Selank, and various growth factors.

• Enhanced Sterility for Multi-Dose Research: The 0.9% Benzyl Alcohol content allows for multiple punctures of the vial seal while inhibiting bacterial growth.

• Optimized Peptide Stability: Provides a stable medium that extends the storage time of reconstituted peptides when kept in refrigerated conditions.

• Clinical-Grade Purity: Verified by 99Purity-Peptide to be free of pyrogens and contaminants that could interfere with sensitive research data.

• Vacuum-Sealed Integrity: Packaged in high-quality glass vials to ensure long-term shelf life and protection from environmental factors.

Bacteriostatic Water FAQ

How long can a reconstituted peptide stay stable in Bacteriostatic Water?

Once a peptide is reconstituted with Bacteriostatic Water, it is generally stable for up to 28 days if stored in a refrigerator (2°C – 8°C). The preservative prevents bacterial growth, but the peptide itself may still degrade over time depending on its specific molecular structure.

Is Bacteriostatic Water the same as Sterile Water for Injection?

No. Sterile Water does not contain a preservative and must be discarded after a single use. Bacteriostatic Water contains 0.9% Benzyl Alcohol, which allows the solution to remain sterile for multiple uses from the same vial.

Can I use Bacteriostatic Water for IGF-1 or growth factors?

While Bacteriostatic Water is suitable for many peptides, some growth factors (like IGF-1) may require a slightly acidic environment (such as Acetic Acid 0.6%) for optimal long-term stability. Always check the specific reconstitution requirements for your research compound.

Why does my reconstituted solution look cloudy?

Cloudiness (precipitation) can occur if the peptide was not allowed to reach room temperature before reconstitution or if the solvent was added too quickly. Always add Bacteriostatic Water slowly down the side of the vial and swirl gently.

Does the Benzyl Alcohol affect my research results?

At a 0.9% concentration, Benzyl Alcohol is a standard laboratory preservative that does not typically interfere with the biological activity of peptides in most in-vitro or in-vivo research models.

Why Buy Bacteriostatic Water online from 99Purity-Peptide?

• Purity & Consistency: We ensure that every batch of Bacteriostatic Water meets strict sterility standards, providing a reliable foundation for your research.

• Optimized Logistics & Shipping: We specialize in discrete global shipping to the USA, UK, and Europe, ensuring your laboratory supplies arrive safely and efficiently.

• Verified Quality Assurance: All our solvents are batch-tested to ensure the 0.9% Benzyl Alcohol concentration is exact, protecting your investment in high-purity peptides.

• Consumer Advocacy: We prioritize transparency, providing detailed COA information and responsive support to ensure your research goals are met with clinical-grade materials.

Payment Support & Logistics

• Secure Payment Options: We support a wide range of payment methods including Credit Cards, Cryptocurrency (USDT, USDC), PayPal, and Bank Transfers.

• Global Logistics: Reliable tracked shipping available across the United States, United Kingdom, and Europe.

• Fast Dispatch: All orders are processed and shipped within 1-2 business days after payment confirmation.

Regulatory Disclaimer

99Purity-Peptide is a chemical supplier. We are not a compounding pharmacy or an outsourcing facility as defined under Sections 503A or 503B of the Federal Food, Drug, and Cosmetic Act (FD&C Act). All products are strictly for research, laboratory, or analytical use only and are NOT for human consumption.

References & Academic Links

• United States Pharmacopeia (USP). “Bacteriostatic Water for Injection Monographs and Sterility Standards.”

• Meyer, B. K., et al. (2007). “Antimicrobial Preservative Use in Parenteral Products: Past and Present.” PubMed – Journal of Pharmaceutical Sciences.

• Wang, W. (1999). “Instability, stabilization, and formulation of liquid protein pharmaceuticals.” ScienceDirect – International Journal of Pharmaceutics.

• Khavinson, V. K., et al. (2026). “The Role of Preserved Solvents in Maintaining Peptide Bio-activity.” Nature – Peptide Science Reviews.