For laboratory research use only · Not for human or veterinary use · 18+
Lab supplies

Buy Acetic Acid for Peptides in Australia

Sterile vial, 3mL · Available to order, dispatched from Australia
$12.99

Buy acetic acid in Australia from Macropus Peptides as a dilute acetic acid diluent for peptides, supplied in a sealed 3mL glass vial. Some research peptides, most notably IGF-1 LR3 and AOD-9604, dissolve poorly or aggregate in neutral diluents, and a dilute acetic acid in water gives them the mildly acidic conditions they need to go into solution cleanly. Each vial is labelled with product, volume, concentration, lot number and storage conditions, and we supply the batch certificate for any lot on request. The 3mL vial is sized for reconstituting small peptide vials without leftover waste, at a fixed low price. It is a dilute laboratory solution, not glacial acetic acid, and a safety data sheet is available on request. Order acetic acid online with your peptides so everything arrives in one parcel, dispatched from Australian stock to any Australian address. Acetic acid for sale to researchers aged 18 and over for in-vitro laboratory research only; not for human or veterinary use.

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Frequently bought together
For in-vitro laboratory research only. Not for human or veterinary use. Purchasers must be 18 or over.
CompoundAcetic Acid
Amount3 ml
FormLaboratory supply
CategoryLab supplies
StorageSee label
Certificate of analysisAvailable for every lot, matched to the lot number on the label

Buy Acetic Acid Australia: 3mL Diluent Vial for Peptides

Macropus Peptides supplies acetic acid as a ready-to-use dilute solution in a sealed 3mL vial, made for reconstituting research peptides that need an acidic diluent. It is the partner product for peptides such as IGF-1 LR3 and AOD-9604, and it sits in our lab supplies range alongside bacteriostatic water, so a laboratory can order its peptide and the right diluent in one parcel. There is one size and one formulation, released by lot like every peptide we sell.

Acetic acid for peptides: what the diluent is

Acetic acid is the simple carboxylic acid that gives vinegar its sharp smell, written chemically as CH3COOH, with a molecular weight of about 60 grams per mole. In its pure, undiluted form it is known as glacial acetic acid, because it freezes into ice-like crystals at around 16 degrees Celsius; that grade is a concentrated, corrosive reagent. The product we supply is not the glacial grade. It is a dilute aqueous solution, prepared at a low concentration suited to peptide work, with the exact strength stated on the label and the certificate of analysis. Acetic acid is a weak acid, so a dilute solution lowers pH gently rather than sharply, one reason it is so widely used with biological molecules.

Acetic acid in water: how the diluent is used in peptide research

Every peptide has its own charge profile, and some carry a surface that makes them clump together or resist dissolving at neutral pH. A weak acid solution lowers the pH, adds positive charge to basic amino acid side chains and keeps the peptide molecules apart, so they dissolve fully instead of forming aggregates. That is why datasheets for IGF-1 LR3 and several other growth factor analogues specify a dilute acid rather than water, and why some protocols move AOD-9604 into an acidic diluent when it turns cloudy at high strength. In the lab the solution is handled exactly like any other diluent: drawn with a sterile syringe, run slowly down the inside wall of the peptide vial and swirled until clear. Acetic acid is also volatile, so it can be removed by freeze-drying, and it is a standard component of the mobile phases used to analyse peptides by HPLC, which makes it familiar to almost every peptide laboratory.

Acetic acid buffer and pH: what pharmaceutical references say

The role of this diluent rests on standard pharmaceutical references rather than on clinical studies. Excipient handbooks list acetic acid as an acidifying agent, and, combined with sodium acetate, as a buffering agent used in injectable and other formulations. The major pharmacopoeias carry monographs for both glacial and diluted acetic acid, setting identity, strength and impurity limits. Its pKa of about 4.76 at 25 degrees Celsius explains the buffering range of roughly pH 3.8 to 5.8. Several approved peptide injections, exenatide and teriparatide among them, are formulated in acetate buffer at a pH between about 4 and 5, and many synthetic research peptides are themselves supplied as acetate salts after purification. Formulation reviews in Pharmaceutical Research in 2010 and the International Journal of Pharmaceutics in 1999 explain how pH governs solubility, aggregation and chemical breakdown, and why many peptides are most stable below neutral pH. Acetic acid is not an antimicrobial preservative in the way benzyl alcohol is in bacteriostatic water. The sources are listed in our acetic acid research studies library.

Acetic acid vial specifications

SpecificationDetail
CompoundAcetic Acid
Amount3 ml
FormLaboratory supply
CategoryLab supplies
StorageSee label

Each vial holds 3mL of the dilute solution under a sealed septum closure. The label gives product name, volume, concentration, lot number and storage conditions, and the lot number traces the vial to its certificate of analysis. Sealed stock keeps on a shelf out of sunlight; after the first puncture of the septum, move the vial to a fridge running between 2 and 8 degrees, and pierce it only with new sterile needles. Unless the label lists a preservative, regard an opened vial as unpreserved and finish it within a short working window.

Acetic acid price in Australia and cost per millilitre

OptionPrice
Acetic Acid 3mL$12.99

The 3mL vial carries one fixed low price in Australian dollars, the same as our 3mL bacteriostatic water vial, and the cost per millilitre is simply that price divided by three. Because a single vial reconstitutes several small peptide vials, most laboratories add one or two to each peptide order rather than buying diluent separately.

Acetic acid 3mL: the single vial in our range

The 3mL size is matched to how acidic diluents are actually used: a small volume per peptide vial, typically 1 mL or less for a 1mg IGF-1 LR3 vial and 1 to 2 mL for a 5mg AOD-9604 vial. A larger bottle would sit open for longer and risk contamination, while 3mL is used up across a few reconstitutions. One vial therefore covers three 1mg IGF-1 LR3 vials at 1 mL each, or one AOD-9604 vial at 2 mL with a millilitre to spare. It is available to order now and ships with your peptides.

Best place to buy acetic acid Australia

  • Sold online at macropuspeptides.com, priced at $12.99
  • A certificate of analysis for every lot, matched to the lot number printed on the label
  • Same-day dispatch from Australian stock for orders paid before 2pm AEST on a business day
  • Tracked delivery Australia wide: standard in 2 to 5 working days, express in 1 to 2 working days
  • Payment by PayID or bank transfer, with your order ID as the reference

Acetic acid purchase: how to get it online

  • Add the 3mL vial to your cart
  • Add the peptide it will be used with, such as IGF-1 LR3
  • Add bacteriostatic water if other peptides in the order need it
  • Pay and confirm the purchase is adult laboratory use
  • Keep the lot number on file and request the certificate if required

Acetic acid 3mL calculator: volumes for IGF-1 LR3 and AOD-9604

Our listing calculators accept an acidic diluent just as readily as water, because the sum never changes: peptide mass over liquid volume. A 1mg IGF-1 LR3 vial made up with 1 mL of acetic acid gives 1 mg per mL, or 1,000 mcg per mL; with 0.5 mL it gives 2 mg per mL. A 5mg AOD-9604 vial takes 2 mL for 2.5 mg per mL, or 1 mL for 5 mg per mL. Where a protocol needs a fixed pH, laboratories combine acetic acid with sodium acetate to make an acetate buffer centred on pH 4.76. Pair this vial with IGF-1 LR3 or AOD-9604, and use bacteriostatic water for peptides that dissolve at neutral pH.

Acetic acid safety data sheet: is it available in Australia

Yes. Australian labs can order this weak solution as a bench chemical, and we sell it only as a diluent for in-vitro research, never as a therapeutic good or for use in people or animals. Dilute acetic acid is far less hazardous than the glacial grade, but it is still a laboratory chemical and should be handled with gloves and eye protection, away from bases and oxidising agents. A safety data sheet covering the dilute solution is available on request with your order, alongside the certificate of analysis for the lot. Concentrated acids can be subject to poisons scheduling, so check how the current Poisons Standard and your state rules apply to chemicals held in your laboratory.

Acetic acid for sale Australia wide: packed with your peptides

We pack each vial beside the peptides it goes with and dispatch the parcel from Australian stock to Brisbane, Perth, Adelaide, Hobart, Darwin and regional addresses in every state and territory. The full range of diluents, kits and consumables is in lab supplies and kits, and the peptides that use it are in our growth hormone research range.

References

  1. Stability of protein pharmaceuticals: an update. Pharmaceutical Research. 2010;27(4):544-575.
  2. Instability, stabilization, and formulation of liquid protein pharmaceuticals. International Journal of Pharmaceutics. 1999;185(2):129-188.
  3. Novel recombinant fusion protein analogues of insulin-like growth factor (IGF)-I indicate the relative importance of IGF-binding protein and receptor binding for enhanced biological potency. Journal of Molecular Endocrinology. 1992.
  4. Acetic acid, glacial: excipient monograph. Handbook of Pharmaceutical Excipients. Pharmaceutical Press.

Scientific content compiled from the peer-reviewed literature above by the Macropus Peptides technical team. Information is provided for research reference only.

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Acetic Acid 3mL$12.99