Description
Buy Sterile Water 10ml Online: A Complete Buyer’s Guide
Sterile Water 10ml (Sterile Water for Injection, USP) is a preservative-free, single-dose diluent widely used in laboratory research and medical settings to reconstitute lyophilized compounds, dilute solutions, or prepare sterile preparations. It is available from research supply vendors, pharmacies, and medical suppliers. Unlike bacteriostatic water, pure sterile water contains no antimicrobial preservatives and is intended for single use.
What Is Sterile Water for Injection?
Sterile Water for Injection, USP is highly purified water that has been sterilized and contains no bacteriostat, antimicrobial agent, or added buffer. It is nonpyrogenic and typically supplied in single-dose vials or ampules (commonly 10ml plastic flip-top or glass vials).
Key characteristics:
- Composition: Pure H₂O (CAS 7732-18-5)
- pH: Approximately 5.0–7.0
- Intended for dilution or dissolution of compatible substances prior to use in research or clinical protocols
- Single-dose only — once opened or punctured, any unused portion should be discarded
It is distinct from sterile water for irrigation (which is not for injection) and from bacteriostatic water.
Sterile Water vs. Bacteriostatic Water
Understanding the difference is essential for proper laboratory use:
| Feature | Sterile Water (SWFI) | Bacteriostatic Water (BAC Water) |
|---|---|---|
| Preservative | None | 0.9% benzyl alcohol |
| Intended use | Single-dose only | Multi-dose (up to ~28 days after opening) |
| Best for | Preservative-sensitive protocols, single-use reconstitution | Most peptide reconstitution with repeated access |
| After opening | Use immediately / discard remainder | Can be re-accessed with proper sterile technique |
| Common research use | Peptides sensitive to benzyl alcohol, single-session prep | Standard multi-use peptide vials |
Many researchers default to bacteriostatic water for convenience with multi-dose peptide vials. Sterile water is preferred when a completely preservative-free diluent is required or when the entire reconstituted volume will be used in one session.
Common Uses in Research Settings
- Reconstitution of lyophilized research peptides and compounds
- Dilution of stock solutions for assays
- Preparation of sterile buffers or vehicles when preservatives must be avoided
- Single-use protocols where multi-dose protection is unnecessary
Always follow the specific protocol or manufacturer guidance for the compound being reconstituted. Some peptides or assays may specify sterile water, bacteriostatic water, or another diluent (such as dilute acetic acid for certain hydrophobic peptides).
How to Buy Sterile Water 10ml Online Safely
When searching for “buy Sterile Water 10ml online,” focus on quality, sterility assurance, and reputable sources:
- Choose USP-grade or equivalent — Look for “Sterile Water for Injection, USP” labeling from established manufacturers (e.g., Hospira/Pfizer, Baxter, or equivalent research-grade suppliers).
- Verify packaging — Single-dose 10ml vials (plastic flip-top or glass) with intact seals. Avoid products that appear previously opened or improperly stored.
- Check supplier reputation — Prefer medical/research supply companies, pharmacies, or peptide research vendors that clearly state intended use and provide proper documentation.
- Confirm sterility and nonpyrogenic claims — Reputable products undergo rigorous testing. Third-party or manufacturer Certificates of Analysis add confidence.
- Consider volume and format — 10ml is convenient for many research reconstitution needs. Multi-packs are often more economical. Note whether vials are plastic or glass.
- Storage and shipping — Sterile water is typically stable at controlled room temperature (20–25°C). Choose sellers with reliable packaging to avoid temperature extremes during transit.
Prices for a single 10ml vial commonly range from a few dollars to around $15 depending on brand, packaging, and quantity. Bulk or multi-packs reduce the per-vial cost.
Important note: In many jurisdictions, Sterile Water for Injection is regulated and may be restricted to licensed professionals or research institutions. Some research chemical vendors sell it labeled strictly for laboratory use. Always comply with local regulations.
Handling and Storage Tips
- Inspect the vial for particulate matter, discoloration, or damage before use. Discard if compromised.
- Use aseptic technique when accessing the vial.
- Because it contains no preservative, use the entire contents promptly after opening and discard any remainder.
- Store unopened vials according to manufacturer instructions (usually room temperature, protected from light and freezing).
- Do not use if the solution is cloudy or contains visible particles.
Safety Considerations
Sterile Water for Injection is hypotonic and is not intended for direct intravenous infusion without proper adjustment (it can cause hemolysis if injected undiluted in large volumes). It is a diluent/solvent only.
In research contexts, treat it as a laboratory reagent. Follow institutional biosafety and sterile technique protocols. Keep out of reach of children and use only as directed for the intended research purpose.
Final Considerations Before Ordering
Buying Sterile Water 10ml online is straightforward from medical supply, pharmacy, and research chemical vendors. Select USP-grade single-dose products from trusted sources, understand the difference from bacteriostatic water, and match the diluent to your specific protocol needs.
Whether you need a preservative-free option for sensitive compounds or a simple single-use diluent, quality sterile water is an essential laboratory supply. Always verify product specifications, sterility claims, and legal availability in your location before purchase.
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