
Bacteriostatic Water
Bacteriostatic water is water containing 0.9% benzyl alcohol as a bacteriostatic preservative, supplied as a laboratory reagent.
Research context
Bacteriostatic water is water containing 0.9% benzyl alcohol as a bacteriostatic preservative. It is supplied as a laboratory reagent.
Elyria Bio supplies it as a solution produced to USP standards. The manufacturer documents each lot for sterility and identity; their release document for the lot we hold is linked below.
Specifications
Representative release specification. The manufacturer’s release document for the lot we hold is linked below — it is theirs, not an independent laboratory certificate we commissioned.
The supplier’s certificate
The manufacturer’s own release document for lot EB61901, hosted on their site. It is not one of our independent laboratory certificates and is deliberately not shown with them.
Bacteriostatic water is USP sterile water with 0.9% benzyl alcohol. There is no peptide in it, so there is no purity or identity assay to run — the analysis our peptide certificates report does not apply to this product and never will. What exists is the manufacturer’s release document for the lot we hold, covering sterility and identity.
We did not commission it, we did not choose the laboratory, and we have not independently verified it. It is published here described as exactly what it is. The five certificates on our peptide pages are a different kind of document: we sent a sample, an independent laboratory tested it, and the result can be verified with that laboratory directly.
Frequently asked questions
What is bacteriostatic water?
Bacteriostatic water is water containing 0.9% benzyl alcohol as a bacteriostatic preservative. It is supplied as a laboratory reagent.
What is bacteriostatic water used for?
It is supplied as a laboratory reagent. The 0.9% benzyl alcohol acts as a bacteriostatic preservative.
Is Elyria Bio's bacteriostatic water tested?
Not by us, and not in the way our peptides are. There is no peptide in sterile water, so there is no purity or identity assay to run. It is produced to USP standards and the manufacturer documents each lot for sterility and identity — their release document for the lot we hold is published on this page. We did not commission it and we have not independently verified it.
How should bacteriostatic water be stored?
Store bacteriostatic water at controlled room temperature (2–25°C), away from direct light, in its sealed container.
Documentation & traceability
Supplier’s release document
The manufacturer’s own document for lot EB61901, reporting sterility and identity. Not an independent laboratory certificate.
Batch-level documents
Certificates are published on the product page for the material they cover.
Related materials
Bacteriostatic water is supplied as a laboratory diluent for qualified professionals. It is not a drug or medical product and has not been evaluated by the FDA for therapeutic use.



