"High-quality bacteriostatic water arrives properly sealed and stays crystal clear with no particles or cloudiness, even after multiple draws from the same vial."
Pharmaceutical-Grade Bac Water
The sterile water that makes your research
The sterile water that makes your research
ready to run.
Bacteriostatic Water available in 3ml, 10ml, and 30ml sizes. Sterile, non-pyrogenic, with 0.9% benzyl alcohol preservative. The essential reconstitution solution every lyophilized peptide requires.
0.9% Benzyl Alcohol
USP-Grade Sterile
3ml, 10ml and 30ml
99.9%
Purity VerifiedThird-party lab tested
0.9%
Benzyl AlcoholBacteriostatic preservative
30ml
Multi-Dose VialSterile injectable-grade
24hr
Ships Same DayTemperature-controlled
Bacteriostatic Water
3ml, 10ml and 30ml Sterile Multi-Dose Vial
from $5.75 / vial
Select Size
Sterile, non-pyrogenic water with 0.9% benzyl alcohol preservative. Engineered for dilution and reconstitution of research peptides, lyophilized powders, and laboratory compounds under aseptic conditions. The benzyl alcohol inhibits bacterial growth, enabling multiple withdrawals from a single vial.
Intended Use
- Reconstitution of lyophilized research peptides
- Laboratory dilutions requiring bacteriostatic conditions
- Multi-use sterile laboratory applications
COA Verified • Ships Same Day • Satisfaction Guaranteed
Why This Water Matters
Precision and purity. No guesswork, no contamination risk.
USP-Grade Purity
Manufactured to United States Pharmacopeia standards with rigorous third-party sterility and composition testing on every batch.
28-Day Multi-Dose
Benzyl alcohol inhibits bacterial growth, allowing multiple withdrawals from a single vial under proper aseptic technique.
0.22µm Sterile Filtered
Sub-micron filtration eliminates contaminants while maintaining solution integrity for critical research applications.
Sealed Vial Packaging
Type I pharmaceutical-grade glass vials with tamper-evident seals ensure sterility from manufacturing to your bench.
Optimal pH Balance
pH-neutral formulation (6.5–7.5) prevents peptide degradation during reconstitution, preserving structural integrity.
Endotoxin Tested
Below 0.5 EU/ml per USP standards. Comprehensive testing ensures non-pyrogenic quality for sensitive research protocols.
Product Specifications
Every batch meets pharmaceutical-grade standards with full documentation
CompoundSterile Water with 0.9% Benzyl Alcohol
Concentration0.9% Benzyl Alcohol (preservative)
Volume3ml, 10ml and 30ml multi-dose vials
FormSterile injectable-grade water
pH Level6.5 – 7.5 (Neutral)
Sterility0.22µm Filtered, USP <71> Compliant
Endotoxin Level<0.5 EU/ml (USP <85>)
Storage68–77°F (20–25°C), Protect from Light
Multi-Dose Period28 Days After First Puncture
PackagingType I Glass Vial, Rubber Stopper
GradeLaboratory research & preparation use only
Pharmaceutical-Grade Bac Water vs. Standard
The differences that impact your research outcomes
Quality Metric
Ours
Standard
USP-Grade Certification
0.22µm Sterile Filtration
Bacteriostatic Preservative (0.9%)
Multi-Dose Compatible (28 Days)
Endotoxin Tested (<0.5 EU/ml)
pH Optimized for Peptides
COA with Every Batch
FDA-Registered Manufacturing
What Users Are Saying About Bacteriostatic Water
"When mixed correctly, quality bac water makes the reconstitution process quick, easy and painless with no complications at the injection site."
"The 28-day shelf life after the first puncture is one of the biggest advantages over single-use sterile water. Less waste, more value per vial."
"No burning or stinging at the injection site. Reconstituted solutions remain stable and effective throughout the full multi-dose period."
USP Certified
FDA-Registered
COA Verified
cGMP Compliant
Tamper-Evident
Lab-Tested
Secure Checkout
Full Documentation
Frequently Asked
Expert answers for laboratory professionals
What is bacteriostatic water used for?
Bacteriostatic water is a sterile solution used for reconstituting lyophilized (freeze-dried) peptides and other research compounds. The 0.9% benzyl alcohol acts as a bacteriostatic agent, preventing bacterial growth and allowing for multi-dose use over a 28-day period after first puncture.
What makes this pharmaceutical-grade?
Manufactured in FDA-registered facilities following current Good Manufacturing Practices (cGMP). It undergoes 0.22-micron sterile filtration, comprehensive endotoxin testing, pH verification, and meets United States Pharmacopeia (USP) standards. Each batch includes a Certificate of Analysis from third-party laboratory testing.
How long can I use it after opening?
Once punctured, bacteriostatic water remains sterile for up to 28 days when stored at room temperature (20–25°C) and protected from light. The benzyl alcohol preservative prevents bacterial contamination during this multi-dose period. Always use proper aseptic technique when withdrawing.
Bacteriostatic vs. sterile water — what is the difference?
Sterile water contains only purified water and is single-use. Bacteriostatic water contains 0.9% benzyl alcohol, which inhibits bacterial growth and allows for multiple withdrawals over 28 days. For research requiring repeated reconstitution, bacteriostatic water is the superior choice.
How should it be stored?
Store unopened vials at room temperature (68–77°F / 20–25°C) in a dark location protected from direct light. Refrigeration is not required and may cause precipitation. After first use, maintain the same conditions and discard after 28 days. Do not freeze.
Do you provide a Certificate of Analysis?
Yes, every batch includes a COA from independent third-party laboratory testing. The COA verifies sterility, pH level, endotoxin testing, benzyl alcohol concentration, and USP compliance.
What is your shipping and return policy?
24-hour order processing with discreet, temperature-controlled shipping. Orders over $150 qualify for free shipping. 100% satisfaction guarantee — contact us within 30 days for a full refund or replacement.
Is this safe for peptide reconstitution?
Our bacteriostatic water is specifically formulated for peptide reconstitution with a pH-neutral range (6.5–7.5) that prevents peptide degradation. The sterile, endotoxin-tested formulation ensures research integrity throughout the multi-dose period.
Bacteriostatic Water Works With Your Research Goals
Every lyophilized peptide needs a reliable reconstitution solution. Bacteriostatic water is the foundation that makes your research possible, whatever your goal.
RECOVERY AND REHABILITATION
BPC-157 and TB-500
The Wolverine Stack. BPC-157 and TB-500 are two of the most researched recovery peptides available. Both are lyophilized and require proper reconstitution with bacteriostatic water before use. Bac water keeps them stable and ready for repeated draws throughout your research cycle.
METABOLIC RESEARCH
GLP-1 and GLP-2
GLP-1 and GLP-2 receptor agonists are at the forefront of metabolic research. These peptides are supplied in lyophilized form and must be reconstituted with sterile bacteriostatic water to maintain potency and allow for multi-dose use over the research period.
GROWTH AND PERFORMANCE
HGH and CJC-1295
Human Growth Hormone and CJC-1295 are among the most studied peptides in growth factor research. Both require careful reconstitution with pharmaceutical-grade bacteriostatic water. The 0.9% benzyl alcohol preservative ensures stability across the full multi-dose period.
Ready to Order?
Pharmaceutical-Grade Bac Water for your research. Pharmaceutical-grade. COA verified. Ships same day.
Bacteriostatic Water
3ml, 10ml and 30ml Sterile Multi-Dose Vial
from $5.75
per vial
Choose Your Size and Order
COA Verified
Ships Same Day
Satisfaction Guaranteed