Acetic Acid Solution 0.6% (10mL)

Description

Acetic acid solution 0.6% is a 10mL vial of dilute acetic acid for reconstituting peptides that don’t dissolve well in water. It’s made in the USA and costs $20.00. Store discount codes don’t apply to this item.

What is 0.6% acetic acid solution for?

Most freeze-dried peptides dissolve in bacteriostatic water. A few don’t. Peptides with a lot of basic amino acids, or ones that tend to clump, can stay cloudy in water, and a slightly acidic liquid helps them go into solution.

A 0.6% acetic acid solution is weak, roughly the acidity of a very dilute vinegar, but it’s enough to protonate those basic groups and help the peptide dissolve. It’s a common choice for IGF-1 analogs such as IGF-1 LR3 1mg, which many protocols say to dissolve in dilute acid.

How to use it

• Let the peptide vial and the acetic acid solution reach room temperature.
• Wipe both stoppers with an alcohol swab.
• Add a small volume of the acetic acid solution slowly down the wall of the peptide vial.
• Swirl gently until the powder dissolves. Don’t shake it.
• If your protocol calls for it, dilute further with bacteriostatic water or a buffer afterward.

Many labs use just enough acid to dissolve the peptide, then make up the rest of the volume with bacteriostatic water. That keeps the final solution closer to neutral.

Acetic acid solution 0.6% vs bacteriostatic water

Think of acetic acid solution 0.6% as the backup solvent. Bacteriostatic water is the default for nearly every peptide we sell, because it keeps the solution near neutral and the benzyl alcohol lets you draw from the vial for weeks. Acetic acid solution 0.6% is for the peptides that won’t go into water cleanly.

Signs that a peptide needs acid: it stays cloudy after a few minutes of gentle swirling, small flakes float in the liquid, or a film sticks to the glass. Add a little acetic acid solution 0.6%, swirl again and it should clear.

Peptides that are often mixed with dilute acid

• IGF-1 LR3 1mg, where many protocols specify dilute acetic acid
• Long, basic peptides that tend to clump in water
• Any peptide whose own page or protocol calls for an acidic solvent

How much to buy

One 10mL vial of acetic acid solution 0.6% is enough for many reconstitutions, since you usually need only a small amount per peptide vial. Most labs keep one vial on hand next to their bacteriostatic water.

When to use water instead

If a peptide dissolves cleanly in bacteriostatic water, use water. Acid isn’t needed for most peptides, and it changes the pH of the final solution, which can matter in cell work. Check your protocol, or the notes on the peptide’s own page.

Acetic acid solution specifications

• Contents: acetic acid, 0.6% in water
• Volume: 10mL vial
• Form: aqueous solution
• Made in: USA
• SKU: CP-ACETIC-10
• Use: laboratory reconstitution only

Storage

Store the vial at room temperature with the stopper intact. After the first puncture, wipe the stopper with alcohol before each draw and write the opening date on the label. Discard it if it turns cloudy.

Other lab supplies to go with the Acetic acid solution 0.6%

• Bacteriostatic Water 10mL, $20.00: for reconstituting a few peptide vials
• Bacteriostatic Water 30mL (Hospira), $36.00: the larger Hospira vial for labs that mix often
• 6 Vial Container, $20.00: a compact sliding-lid case for six vials
• 10 Vial Container, $25.00: keeps ten vials upright and labeled
• 3mL Vial Caps (10 Pack), $5.00: covers the stopper on open vials
• Big Everything Box (Vial Storage Case), $40.00: a latching hard case for vials and supplies

Peptide handling basics

Freeze-dried peptides are stable as long as they stay dry and cold. The trouble starts after mixing: a reconstituted peptide sits in water, and from that point heat, light, repeated punctures and bacteria all shorten its life. Good supplies don’t change the chemistry, but they make the routine easier to follow every time.

Three habits cover most of it. Swab the stopper before every draw, keep mixed vials in the fridge and out of the light, and label each vial with what’s in it, the concentration and the date. For background on peptide stability in solution, this PubMed search on peptide stability is a good place to start.

Acetic acid solution FAQ

What is acetic acid solution 0.6% used for?

Dissolving peptides that don’t dissolve well in bacteriostatic water, such as IGF-1 LR3.

Can I use it for every peptide?

You can, but you usually don’t need to. Bacteriostatic water works for most peptides; acetic acid is for the ones that won’t dissolve in water.

Is 0.6% acetic acid safe for peptides?

Yes. It’s dilute and is a standard solvent in peptide labs. It won’t damage the peptide.

Do discount codes work on it?

No. Store discount codes don’t apply to this item.

Is it in stock?

Yes.

Buy acetic acid solution 0.6%

The 10mL acetic acid solution is in stock at $20.00. Add it to an order with peptides that need it, such as IGF-1 LR3.

See our other lab supplies, including bacteriostatic water and vial storage.

For laboratory research use only. Not for human or veterinary use. These statements have not been evaluated by the FDA.