Such substances have not undergone the kind of large-scale trials the FDA would normally require to establish safety and efficacy

Product Features Name: Bacteriostatic Water Contents: 3 ml per vial Composition: Purified water (HO) with 0.9% benzyl alcohol Form: Sterile liquid, ready to use Packaging: Sealed glass vial with rubber cap and aluminum ring Quality: laboratory and research grade Application within research Bacteriostatic Water is often used as: Solvent for lyophilized peptides Diluent in chemical and biochemical experiments Part of protocols where long-term sterile storage is desired Tool in peptide and protein research for stable redissolution Storage Advice Store at room temperature (15-25 C) Protect from direct sunlight After opening, use within 28 days for optimum stability Advantages Sterile solution with bacteriostatic properties Extends the shelf life of reconstituted substances Ideal for precision work in peptide and biochemical research Convenient 3 ml vial for small research batches For research purposes only, not for human use

So we dont have that same sort of rigour, if you like, on just overall safety. The third safety question is legal, and the answer differs by jurisdiction: United States
First, side effects are clearly dose-dependent, increasing as the dose goes up
Replace the ice whenever it melts
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