What it is
Acetic acid is a solvent. It is not an active substance — it is a tool.
It is used as a dilute, mildly acidic aqueous solution to reconstitute lyophilised (powdered) peptides in the laboratory.
Research Use Only (RUO):Research classification with product and batch documentation where available.
Lab essentials
Acetic Acid
Strength: 3 ml
Acetic Acid is a research-use catalogue item organized around product identity, SKU traceability and available documentation.
€13,00
In stock
1
Batch documentationShips from Greece
Free shipping: Greece from €50, Cyprus and Bulgaria from €100, France, Germany, Italy, Belgium, Netherlands and Spain from €200. Details
This product is intended exclusively for laboratory research use. It is not intended for human consumption, diagnosis, treatment, or prevention of disease.
Product information
FormLaboratory consumable
Strength3 ml
SKUAV-AA-03ML
Stock statusIn stock
COA / BatchSee the documentation state below
StorageRoom temperature.
Packaging / shippingProtective professional shipping packaging with clear labelling.
Documentation on request
There is no published document for this specific SKU variant at the moment.
Contact us about documentationResearch overview
Documentation & COA
Batch documentation and COA, where available, are linked to the specific product batch and SKU.
This product is intended exclusively for laboratory research use. It is not intended for human consumption, diagnosis, treatment, or prevention of disease.
Product profile
Acidic
solution pH
None
preservative
Single use
per vial
Poorly
soluble peptides
Research context
When you choose it
Some peptides are 'difficult': they do not dissolve cleanly in plain water and form aggregates or cloudiness.
A slightly acidic environment helps these hydrophobic molecules go fully into solution.
When not
For peptides that already dissolve easily, it adds nothing — a simpler solvent is preferred.
It contains no preservative. For that reason it is treated as a single-use tool, not a medium for long storage.
Laboratory use
Used as an acidic diluent for reconstituting lyophilized peptides that show limited solubility at neutral pH.
Research Use Only. Laboratory consumable. Not intended for human or veterinary use, nor for consumption. This is not a medicinal or food product.
Structural data
- Composition
- Dilute aqueous acetic acid solution
- Role
- Acidic diluent for peptides that will not dissolve at neutral pH
- Preservative
- Contains none
- Use
- Reconstitution of lyophilized peptides
Comparison
Feature comparison
| Feature | Bacteriostatic water | Sterile water | 0.6% acetic acid |
|---|---|---|---|
| Contains preservative | Yes, 0.9% benzyl alcohol | No | No |
| Multiple withdrawals | Yes | No — single use | No — single use |
| Typical use | Most lyophilized peptides | When the preservative must be avoided | Peptides that will not dissolve at neutral pH |
| pH | Neutral | Neutral | Acidic |
| After opening | Refrigerate, typically up to ~28 days | Use immediately | Use immediately |
Storage & handling
- Store at room temperature, away from direct light.
- Contains no preservative — the vial is intended for single use.
- Use a clean needle and syringe.
- Discard if cloudiness or particles appear.
- Keep away from children and out of food preparation areas.
Documentation
- Batch details and expiry date on the packaging.
- Declaration of laboratory-use-only status.
- Documentation available on request for the specific batch.
Product information
Frequently asked questions
When do I need acetic acid instead of bacteriostatic water?
When the peptide does not dissolve adequately at neutral pH — it stays undissolved or gives a cloudy suspension. For most peptides bacteriostatic water is sufficient.
Why does acidic pH help solubility?
Peptides with basic amino acids take on positive charge in an acidic environment. Charged molecules repel one another instead of aggregating, so they go into solution more readily.
Can I use it multiple times?
No. It contains no preservative, so the vial is intended for single use.
Does acidic pH affect the experiment?
It can. In some biological systems the pH must be accounted for or neutralized. That is a judgement for the laboratory protocol.
How much should I add?
We do not give volume or concentration guidance. The calculation is made by the researcher according to the protocol.
Is it the same as vinegar?
No. This is a laboratory-grade solution at a controlled concentration, not a food product.