- OP Labs formerly Oxford Peptides
- Batch manufactured to specification
- Store at controlled room temperature unless otherwise specified
- Sold for research purposes only
Mixing Water
Synonyms / Designations: Sterile Water with Benzyl Alcohol
CAS Number: 7732-18-5 (water) 100-51-6 (benzyl alcohol component)
Molecular Formula: H2O (with 0.9% benzyl alcohol, w/v)
Molar Mass 18.02 g/mol (water)
Composition: Sterile water containing 0.9% benzyl alcohol as a preservative
Product Classification Sterile aqueous diluent
Purity: Manufactured to specification
Appearance: Clear, colourless, sterile solution
Pack Size: 10 mL
Storage: Store in a cool, dark place.
Solubility: Fully miscible with water and aqueous buffers
Description & Mechanism
Mixing Water is a sterile aqueous solution containing a low concentration of benzyl alcohol as a preservative. It is used in laboratory and formulation research as a diluent for the reconstitution and dilution of research compounds under controlled experimental conditions.
In biochemical and cellular research systems, Mixing Water is employed to evaluate compound solubility, stability following reconstitution, and short-term storage behaviour. The benzyl alcohol inhibits microbial growth by disrupting microbial cell membranes, reducing contamination risk.
Applications in Research
- As a standard diluent for peptide and protein reconstitution
- Investigation of peptide and biologic stability following reconstitution
- Formulation testing and solvent compatibility studies
Specifications Summary
Purity: Manufactured to specification
Appearance: Clear, colourless sterile solution
Solvent Type: Sterile aqueous diluent
Preservative: Benzyl alcohol 0.9% (w/v)
Solubility: Fully miscible with water and aqueous buffers
Storage: Controlled room temperature
Pack Size: 10 ml
Handling, Use & Stability
- Use aseptic technique when accessing vial contents
- Avoid contact with non-sterile surfaces
- Do not use if solution becomes cloudy or discoloured
- Keep vial sealed until use
- Avoid exposure to excessive heat or prolonged light
- Do not freeze
Precautions & Notes
- Not all peptides or biologics are compatible with benzyl alcohol; compatibility should be assessed experimentally
- Buffer composition, compound sensitivity, and storage duration may influence stability
- Not for human or veterinary use
- Intended strictly for laboratory research use
References
European Pharmacopoeia. Sterile Water and preserved preparations monographs.
https://www.edqm.eu/en/european-pharmacopoeia
Rowe R.C., Sheskey P.J., Quinn M.E. Handbook of Pharmaceutical Excipients. Pharmaceutical Press.
https://www.pharmpress.com/product/9780857110275/handbook-of-pharmaceutical-excipients
Keywords: Mixing Water, Sterile Water, Benzyl Alcohol Solution, Research Diluent, Peptide Reconstitution, Laboratory Solvent






