Bacteriostatic Water 3ml | 10-Vial Kit | 30ml total | Sterile Diluent / Reconstitution Solution

Bacteriostatic Water 3mL | 10-Vial Kit | 30mL Total — sterile 0.9% benzyl alcohol reconstitution solution for lyophilised peptide and hormone research compounds; benzyl alcohol prevents microbial growth to extend multi-use vial stability. ≥99% HPLC purity, MS confirmed, Janoshik COA. Research use only.

✓ 99%+ Purity ✓ COA Available
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$100

or
SKU: QSC-BA03-BACTERIOSTATICWATER-3ML-10VIAL
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QSC RESEARCH GRADE

≥99% HPLC PurityMS ConfirmedJanoshik COAIn-House SPPS8-Region Domestic Shipping

What is Bacteriostatic Water?

Bacteriostatic Water (0.9% benzyl alcohol sterile reconstitution solution) is a Sterile water + 0.9% benzyl alcohol. Sterile water for injection containing 0.9% benzyl alcohol as bacteriostatic preservative. Safe for repeated multi-use vial puncture — benzyl alcohol inhibits bacterial growth between uses. The standard reconstitution diluent for lyophilized research peptides stored beyond same-day use.

Research Applications

Peptide Reconstitution

Standard diluent for lyophilized research peptide stock solutions

Multi-Use Vials

Bacteriostatic preservation — safe for repeated vial puncture

Stock Solutions

Stable peptide stocks at 1–5mg/mL for research protocol use

Cold Chain Compatibility

Compatible with refrigerated storage of reconstituted peptides

Quick Specs

Form Sterile water + 0.9% benzyl alcohol
Purity ≥99% by HPLC — every batch
CAS Number 7732-18-5 (Water)
Molecular Formula H₂O
Peptide Type Sterile Diluent / Reconstitution Solution
Identity MS molecular weight confirmed — every batch
COA Janoshik-independent, publicly verifiable
Manufacture In-house Fmoc SPPS — Qingdao, China
Storage -20°C sealed | 2–8°C reconstituted (2–4 weeks)
Shelf Life Refer to manufacturer labeling (typically 24–36 months unopened)

Certificate of Analysis (COA)

For the latest Certificate of Analysis (COA), please email us with your request.

Frequently Asked Questions

How is QSC Bacteriostatic Water supplied?
QSC Bacteriostatic Water is supplied as a sterile, multi-dose aqueous solution containing 0.9% benzyl alcohol as a bacteriostatic agent. Each vial is ready-to-use for peptide and protein reconstitution — no preparation required. Draw using a sterile syringe and needle under aseptic conditions.
How should Bacteriostatic Water be stored?
Store at room temperature (15–25°C) before opening. After first use, store at 2–8°C. Multi-dose vials are stable for 28 days after opening with benzyl alcohol preservation. Protect from light; do not freeze.
What is the difference between Bacteriostatic Water and Sterile Water for Injection?
Bacteriostatic Water contains 0.9% benzyl alcohol which inhibits microbial growth, allowing multiple withdrawals from a single vial over 28 days. Sterile Water for Injection is preservative-free and intended for single use only. Bacteriostatic Water is the preferred reconstitution vehicle for research peptides and proteins requiring multiple doses.
🧪 Peptide Research Tools: Use QSC’s free peptide calculators — reconstitution, BAC water, dosing, half-life, and mixing charts.
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Source: PubMed / NCBI  ·  Last 10 years  ·  Refreshed every 24 hours  ·  For research reference only — not clinical guidance.

⚠️ RESEARCH USE ONLY — NOT FOR HUMAN CONSUMPTION

QSC products are strictly for in vitro and in vivo laboratory research. Not intended for diagnostic, therapeutic, or personal use.

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Research Use Disclaimer

All QSC products are strictly for laboratory, scientific, and research use only. They are not for human consumption, medical treatment, diagnosis, or disease prevention.

By purchasing or using QSC products, you confirm:

  • You are a qualified researcher or acting under the supervision of one.
  • Products will only be used for legitimate research purposes.
  • Products are not evaluated by the FDA or any regulatory authority for human use.
  • You assume all responsibility for legal compliance, proper handling, and storage.
  • You meet the legal age requirement in your jurisdiction.
No Warranty: Products are sold “as is,” with no express or implied warranties regarding efficacy, safety, or suitability. Results in research may vary. QSC is not responsible for outcomes, interpretations, or conclusions drawn from any studies conducted using these products.
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General Safety & Handling

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Not for Human Use

These compounds are for research only. Any off-label, personal, or clinical use is strictly outside the intended scope of supply.

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PPE Required

Always use appropriate personal protective equipment (gloves, lab coat, eye protection) when handling peptides.

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Storage Compliance

Follow product-specific storage conditions to maintain identity, purity, and biological activity.

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Proper Disposal

Dispose of all materials in accordance with institutional biosafety, chemical waste, and hazardous material protocols.

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Verify Quality

Janoshik COAs are available on every product page. Verify batch identity (MS confirmed) and purity (≥99% HPLC) before use.

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Peptide Storage Guidelines

🌑 Light-protected💧 Low moisture🌡️ Stable temperature🔬 Sterile handling

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