Bacteriostatic Water for Injection is sterile water preserved with benzyl alcohol, used as a diluent for reconstituting lyophilized research materials. US-market presentations contain either 0.9 percent (9 mg/mL) or 1.1 percent (11 mg/mL) benzyl alcohol — check the specific product label.
Specifications
| Compound | Bacteriostatic Water |
|---|---|
| CAS Number | No assigned CAS (formulated mixture). Component CAS numbers: water 7732-18-5, benzyl alcohol 100-51-6. |
| Molecular Formula | Not applicable — mixture |
| Molecular Weight | Not applicable — mixture |
| Sequence | Not applicable — not a peptide |
| Purity | Verified per lot by HPLC — see the lot-specific Certificate of Analysis for the exact figure. |
| Physical Form | Clear, colorless sterile aqueous solution; pH approximately 5.7 |
| Reconstitution | Is itself a diluent |
| Storage | Store at controlled room temperature, 20-25 °C. Do not freeze. Multi-dose presentations should be discarded per the product label after first entry. |
| Intended Use | In-vitro laboratory research only |
Testing and documentation
Every lot of Bacteriostatic Water supplied by Never Enough Labs is analysed by an independent laboratory using High-Performance Liquid Chromatography (HPLC) and Mass Spectrometry (MS) to confirm identity and purity before release. The Certificate of Analysis for your lot is attached to this listing and is also searchable by lot number in the COA Library.
If you are new to reading analytical documentation, see our guide on how to read a Certificate of Analysis.
Handling
Lyophilized material should be brought to room temperature before opening to limit condensation. Reconstitute gently — direct the diluent against the vial wall rather than onto the powder, and swirl rather than shake. Record the lot number and reconstitution date; the storage conditions above apply from that point forward.
Research use only. This material is sold exclusively for in-vitro laboratory research by qualified persons 21 years of age or older. It is not a drug, food, cosmetic or dietary supplement. Not for human or veterinary use. Not for diagnostic or therapeutic use.
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