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Acetic Acid Water, lyophilized research peptide vial, Eppix Labs
Formula
C2H6O3
Mol. weight
78.07
Form
Lyophilized powder
Low on StockResearch Peptide

Acetic Acid Water

Acetic Acid Water Canada

Dilute Acetic Acid Solvent

Acetic acid water is a dilute aqueous solution of acetic acid, a short-chain carboxylic acid, supplied as a laboratory solvent rather than as a study compound in its own right. It is used in research settings where a mildly acidic aqueous medium is required.

$24.75CAD
1 × 5-Pack
Purity VerifiedLab TestedSecure
Research Use Only

This product is intended strictly for laboratory research use within Canada. It is not approved by Health Canada for the diagnosis, treatment, cure, or prevention of any disease. Not for human or veterinary use.

By purchasing, you confirm the material will be used solely for lawful research purposes in accordance with applicable Canadian regulations.

Acetic acid water is a dilute aqueous solution of acetic acid, a short-chain carboxylic acid, supplied as a laboratory solvent rather than as a study compound in its own right. It is used in research settings where a mildly acidic aqueous medium is required.

The published literature on acetic acid in water is largely physicochemical and applied: solvation behaviour in aqueous systems, analytical determination in aqueous samples, and use as an acidified medium in materials and microbiology work. It is not a peptide and is not itself the subject of a pharmacological research program.

Purity

Third-party tested for purity, ID, quantity.

Coming Soon

The certificate of analysis for this lot is being finalised and will be published here as soon as the lab returns it.

Compound Properties
Molecular FormulaC2H6O3
Molecular Weight78.07
PubChem CID21899381

Overview

Acetic acid is a weak acid that partially dissociates in water, producing an equilibrium between the neutral molecule and the acetate anion. Spectroscopic work using liquid jet X-ray photoelectron spectroscopy together with core level electron binding energy calculations has examined how acetic acid is solvated at the aqueous interface and in bulk solution, which informs how acidified aqueous media behave at a molecular level.

Beyond solvation chemistry, acetic acid water systems appear in analytical and materials research. Methods have been described for determining acetic acid in aqueous samples using water-phase derivatisation combined with solid-phase microextraction and gas chromatography. In polymer and film research, the ratio of acetic acid to water has been studied as a variable governing solution properties and resulting film characteristics in solution blow spinning of zein. Acetic acid water has also been evaluated in in vitro antibiofilm work against bacterial biofilms and in low-moisture sanitization research using water-in-oil emulsions as a delivery format.

History

Acetic acid has been known and produced since antiquity through fermentation, and its aqueous solutions have no single documented point of origin as a laboratory reagent. Its adoption as a general acidifying solvent predates the modern literature and is not attributable to a specific discovery event.

The contemporary research record treats acetic acid water primarily as a medium or variable rather than a subject. More recent work has addressed its fundamental solvation structure in water, its interference profile in spectroscopic measurement of other analytes in aqueous and serum matrices, and its behaviour as a component of mixed acid-water solvent systems used to dissolve biopolymers such as lignin.

Key Research Areas

Acetic acid water appears in the literature mainly as a solvent system and as an analytical variable. Research frameworks include aqueous solvation and interfacial chemistry studied by photoelectron spectroscopy, quantitative determination of acetic acid in aqueous matrices by chromatographic methods, acid-water ratio effects on polymer solution properties and film formation, mixed formic acid–acetic acid–water systems for biopolymer dissolution, and in vitro microbiological work examining acidified aqueous treatments against bacterial biofilms.

5 of the 5 areas below are addressed directly by a paper cited on this page.

Aqueous solvation and interfacial chemistry

Addressed on this page by Bruce 2021, Wittman 2000. Each is linked to its source record in the references below, so what was measured — and in what system — can be read rather than taken on trust.

  • Bruce, JP. et al. (2021) — Exploring the Solvation of Acetic Acid in Water Using Liquid Jet X-ray Photoelectron Spectroscopy and Core Level Electron Binding Energy Calculations
  • Wittman, GY. et al. (2000) — Determination of acetic acid in aqueous samples, by water-phase derivatisation, solid-phase microextraction and gas chromatography

Analytical determination in aqueous matrices

Addressed on this page by Wittman 2000. Each is linked to its source record in the references below, so what was measured — and in what system — can be read rather than taken on trust.

  • Wittman, GY. et al. (2000) — Determination of acetic acid in aqueous samples, by water-phase derivatisation, solid-phase microextraction and gas chromatography

Acid-water solvent ratio effects in polymer films

Addressed on this page by Sun 2025, Mahdavi 2024, Bruce 2021. Each is linked to its source record in the references below, so what was measured — and in what system — can be read rather than taken on trust.

  • Sun, H. et al. (2025) — Effects of the acetic acid-water ratio and zein concentration on solution blow spinning: influence on solution properties and film characterization
  • Mahdavi, P. et al. (2024) — Antibiofilm Effect of Sequential Application of Ozonated Water, Acetic Acid and Lactic Acid on Salmonella Typhimurium and Staphylococcus aureus Biofilms In Vitro
  • Bruce, JP. et al. (2021) — Exploring the Solvation of Acetic Acid in Water Using Liquid Jet X-ray Photoelectron Spectroscopy and Core Level Electron Binding Energy Calculations

Mixed acid-water biopolymer dissolution systems

Addressed on this page by Ma 2021, Bruce 2021, Wittman 2000. Each is linked to its source record in the references below, so what was measured — and in what system — can be read rather than taken on trust.

  • Ma, Q. et al. (2021) — Lignin dissolution model in formic acid-acetic acid-water systems based on lignin chemical structure
  • Bruce, JP. et al. (2021) — Exploring the Solvation of Acetic Acid in Water Using Liquid Jet X-ray Photoelectron Spectroscopy and Core Level Electron Binding Energy Calculations
  • Wittman, GY. et al. (2000) — Determination of acetic acid in aqueous samples, by water-phase derivatisation, solid-phase microextraction and gas chromatography

In vitro antibiofilm and surface sanitization models

Addressed on this page by Mahdavi 2024, Chuang 2023. Each is linked to its source record in the references below, so what was measured — and in what system — can be read rather than taken on trust.

  • Mahdavi, P. et al. (2024) — Antibiofilm Effect of Sequential Application of Ozonated Water, Acetic Acid and Lactic Acid on Salmonella Typhimurium and Staphylococcus aureus Biofilms In Vitro
  • Chuang, S. et al. (2023) — Oil-Based Sanitization in Low-Moisture Environments: Delivery of Acetic Acid with Water-in-Oil Emulsions

The references section of this page cites 6 primary papers published between 2000 and 2025 — a limited but non-trivial record. Every citation is linked to its PubMed or DOI record so it can be read rather than taken on trust, and the summaries above describe what those papers report rather than what the compound is claimed to do.

Acetic Acid Water is frequently listed as a peptide by suppliers in this market. It is not one. The structure published on this page is the compound's actual chemistry, and research on it should be read against its own class rather than against peptide literature.

Research compounds attract claims that outrun their evidence. Below are the ones most often encountered for Acetic Acid Water, set against what the papers cited on this page actually report. Where the record is thin or contested, that is stated rather than smoothed over.

Preclinical only

Acetic Acid Water is described across this category in connection with aqueous solvation and interfacial chemistry, analytical determination in aqueous matrices and acid-water solvent ratio effects in polymer films.

The 6 papers cited on this page, published between 2000 and 2025 describe laboratory and animal work. None reports a controlled trial in humans. Findings in cell culture or in a rodent model describe what happened in that system; they do not establish that the same occurs in humans, and this compound is not approved for human use.

Nothing above is a statement of what this material does. It is a summary of what has been published and what has not. Eppix Labs supplies research materials only and provides no dosing, administration or protocol guidance.

Every lot of Acetic Acid Water is independently assayed before it is released, and the certificate for the lot shipped is published rather than summarised. Where a certificate for a current lot is not yet posted, the lot has not yet been released against it.

Researchers who buy Acetic Acid Water in Canada through Eppix Labs receive a batch-labelled vial whose certificate is published against that lot code, so the material can be matched to its analysis rather than to a generic specification.

Verify a batch code →

Lyophilized storage
−20 °C long-term; stable at room temperature in transit
After reconstitution
2–8 °C
Light
Protect from UV and direct light
Freeze-thaw
Avoid repeated cycles
Vehicle
Solvent selection depends on the compound; consult the published literature
Format
Lyophilized powder

Acetic Acid Water is supplied as lyophilized powder. It is not a peptide, and solvent behaviour follows from its own chemistry rather than from the aqueous-vehicle conventions that apply to peptide material — the published literature for this compound is the reference for solvent selection, not a general peptide protocol.

Dry storage below freezing and protection from light are the general controls. As with any lyophilized material, the powder frequently sits as a thin film at the base of the vial and is easy to mistake for an empty vial before inspection.

Vials may appear empty on arrival. Lyophilized material collects at the base of the vial and is often not visible until the vial is inspected under direct light.

Reconstitution calculator →

Included
  • 1 × sealed glass vial in the strength selected (10ml / Single Vial, 5-Pack, 10-Pack available), batch-labelled
  • Batch documentation for the lot shipped, once its certificate is published
  • Discreet outer packaging with no product names on the exterior
  • Canada Post Xpresspost, tracked, typically 1–2 business days from Canadian stock
Not included
  • Bacteriostatic water or any other reconstitution vehicle
  • Syringes, needles or filters
  • Dosing, administration or protocol guidance of any kind

Reconstitution materials are sourced separately. The reconstitution calculator on this site works out concentrations for a given volume, but it is an arithmetic tool for laboratory record-keeping and not a protocol.

No. Eppix Labs products are supplied exclusively for laboratory research. We do not provide dosing, administration, or usage guidance.

Each vial contains the labeled volume of dilute acetic acid in water. Independent third-party analysis verifies identity and concentration per batch.

The vial contains only the solution. Any additional laboratory materials required for experimental procedures must be sourced separately.

Duration depends entirely on research design, storage conditions, and laboratory protocol.

Bruce, JP. et al.(2021)

Exploring the Solvation of Acetic Acid in Water Using Liquid Jet X-ray Photoelectron Spectroscopy and Core Level Electron Binding Energy Calculations

PubMed
Wittman, GY. et al.(2000)

Determination of acetic acid in aqueous samples, by water-phase derivatisation, solid-phase microextraction and gas chromatography

PubMed
Sun, H. et al.(2025)

Effects of the acetic acid-water ratio and zein concentration on solution blow spinning: influence on solution properties and film characterization

PubMed
Ma, Q. et al.(2021)

Lignin dissolution model in formic acid-acetic acid-water systems based on lignin chemical structure

PubMed
Mahdavi, P. et al.(2024)

Antibiofilm Effect of Sequential Application of Ozonated Water, Acetic Acid and Lactic Acid on Salmonella Typhimurium and Staphylococcus aureus Biofilms In Vitro

PubMed
Chuang, S. et al.(2023)

Oil-Based Sanitization in Low-Moisture Environments: Delivery of Acetic Acid with Water-in-Oil Emulsions

PubMed

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