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Acetic Acid Water USA – Buy Online | In Stock & Ready to Ship
Buy Acetic Acid Water in the USA with fast domestic shipping and guaranteed ≥99% purity — fully verified with COA and HPLC documentation. A trusted choice for USA research teams requiring a reliable reconstitution solution for peptide preparation, Acetic Acid Water is available in multiple formats to suit varying project needs. No international delays — just reliable, domestically sourced supplies USA researchers can count on.
For research use only. Not intended for human or veterinary use.




Bacteriostatic acetic acid water (0.6% acetic acid in sterile water) is the standard reconstitution solvent for research peptides — specifically formulated to dissolve, stabilize, and preserve lyophilized peptides in solution, making it an essential consumable for any USA-based peptide research laboratory.
Researchers, labs, and institutions across the United States can source research-grade bacteriostatic acetic acid water with fast dispatch and full quality documentation.
✅ Sterility Verified
✅ Endotoxin Tested
✅ Pharmaceutical-Grade Components
✅ Fast Dispatch to USA — Tracked Shipping Available
Bacteriostatic acetic acid water is a sterile aqueous solution of acetic acid — typically prepared at a concentration of 0.6% (v/v) — used specifically as a reconstitution vehicle for lyophilized research peptides. It is one of two primary solvents used in peptide research (alongside bacteriostatic water), with acetic acid water being the preferred choice for peptides that are poorly soluble in neutral or basic pH environments.
The acetic acid component lowers the pH of the solution to approximately 3.5–4.0, which protonates basic amino acid residues on many peptide sequences — increasing their net positive charge and significantly improving aqueous solubility. This makes acetic acid water the recommended reconstitution solvent for peptides including TB-500, GHK-Cu, MOTS-c, VIP, and many other commonly researched compounds.
Acetic acid water serves several critical functions in a research peptide workflow:
Acetic acid water is the recommended primary reconstitution solvent for a wide range of research peptides. Peptides that are typically reconstituted in acetic acid water include:
If a peptide’s reconstitution protocol specifies “0.1% acetic acid” or “dilute acetic acid,” bacteriostatic acetic acid water is the appropriate ready-to-use solution. Always refer to the individual peptide’s Certificate of Analysis or reconstitution protocol for confirmed solvent recommendations.
Choosing the correct reconstitution solvent is one of the most important steps in peptide research preparation. Here is a practical guide:
| Feature | Acetic Acid Water (0.6%) | Bacteriostatic Water |
|---|---|---|
| pH | ~3.5–4.0 (acidic) | ~5.0–7.0 (near neutral) |
| Best For | Basic / poorly soluble peptides | Most GH peptides, neutral peptides |
| Typical Peptides | TB-500, GHK-Cu, VIP, MOTS-c | HGH, IGF-1, CJC-1295, Sermorelin |
| Preservative | Acetic acid (bacteriostatic) | Benzyl alcohol 0.9% |
| Reconstituted Shelf Life | 2–4 weeks at 2–8°C | 28 days at 2–8°C |
| Further Dilution | Into PBS or neutral buffer | Into sterile saline or PBS |
When in doubt, refer to the individual peptide’s CoA or reconstitution guide. Using the wrong solvent can result in poor solubility, aggregation, or reduced peptide stability in solution.
When you purchase bacteriostatic acetic acid water in the USA through our platform, every order includes:
We supply USA research labs with pharmaceutical-grade reconstitution solvents as part of a complete peptide research workflow — ensuring your compounds are reconstituted correctly from the first step.
| Parameter | Specification |
|---|---|
| Composition | 0.6% Acetic Acid in Sterile Water |
| pH | ~3.5–4.0 |
| Form | Clear, colourless aqueous solution |
| Sterility | Sterility tested and verified |
| Endotoxin | LAL endotoxin tested |
| Packaging | Sealed sterile vial with rubber septum |
| Storage | Room temperature, protect from direct light |
| Available Sizes | 10ml |
What is bacteriostatic acetic acid water used for?
Bacteriostatic acetic acid water is used to reconstitute lyophilized research peptides — dissolving freeze-dried peptide powder into a stable liquid solution for use in laboratory research. The acetic acid concentration both improves solubility for certain peptide classes and provides bacteriostatic protection against microbial growth in multi-use vials.
What is the difference between 0.1% and 0.6% acetic acid for peptide reconstitution?
Reconstitution protocols for research peptides sometimes specify 0.1% acetic acid as the working solvent. Our bacteriostatic acetic acid water is supplied at 0.6% — the standard bacteriostatic concentration. For protocols requiring 0.1%, the stock solution can be diluted 1:5 with sterile water to reach the target concentration. For most peptide reconstitution purposes, 0.6% acetic acid water is suitable and widely used.
Can I use regular water instead of acetic acid water to reconstitute peptides?
Plain sterile water lacks both the pH-modifying properties and the bacteriostatic protection of acetic acid water. For peptides that specify acetic acid as their reconstitution solvent, plain water may result in poor solubility, aggregation, or faster degradation of the reconstituted solution. Bacteriostatic acetic acid water is the correct solvent for these compounds.
How do I store reconstituted peptide solutions made with acetic acid water?
Reconstituted peptide solutions should be stored at 2–8°C (standard refrigerator temperature) and used within 2–4 weeks. For longer-term storage, aliquot the reconstituted solution and freeze at -80°C, avoiding repeated freeze-thaw cycles which degrade peptide integrity. Always follow the individual peptide’s reconstitution and storage protocol.
How quickly is acetic acid water delivered in the USA?
Orders are dispatched promptly with tracked shipping. Most USA orders arrive within 3–5 business days.
Can I buy bacteriostatic acetic acid water in the USA for research use?
Yes. We supply research-grade bacteriostatic acetic acid water with fast tracked dispatch across the United States. All orders include sterility and endotoxin test documentation.
Research Disclaimer: Bacteriostatic acetic acid water is supplied as a laboratory-use reconstitution solvent for research peptides in licensed scientific environments. It is not intended for human injection, consumption, or therapeutic use of any kind. It must be used by qualified researchers in accordance with all applicable US federal and state regulations and institutional safety guidelines. By purchasing, you confirm that this product will be used solely within an approved research or laboratory setting.




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