Lab supplies: bacteriostatic, sterile and acetic acid water for research

Solvents and lab supplies for research peptides

Every research reagent needs the right solvent and clean technique. The Lab supplies category at MOLEVIA brings together three solvents for reconstituting and diluting lyophilised material in in vitro work and animal model studies. Every product in our range is sold as a research reagent for laboratory use only.

Three solvents at a glance

• Bacteriostatic water: sterile water with 0.9% benzyl alcohol, made for repeated sampling from one vial.
• Sterile water: water without a preservative, for single-use reconstitution of lyophilised material.
• Acetic acid 0.6%: acetic acid solution in sterile water, for peptides that dissolve poorly in neutral water.

Every product comes in 3 ml and 10 ml sizes.

Solvent comparison

Feature	Bacteriostatic water	Sterile water	Acetic acid 0.6%
Composition	Sterile water with benzyl alcohol 0.9%	Sterile water	Acetic acid 0.6% in sterile water
Typical use	Reconstitution of lyophilised material	Single-use reconstitution	Peptides poorly soluble in neutral water
Sizes	3 ml, 10 ml	3 ml, 10 ml	3 ml, 10 ml

Bacteriostatic water keeps its preservative between samples, which makes it the better choice for repeated withdrawals from one vial. Sterile water without a preservative is meant for single use, and once the vial is opened its contents should be used up. Acetic acid is the choice when a peptide does not dissolve in neutral water.

Aseptic practice

Before reconstitution

• Work on a clean, disinfected surface.
• Wipe vial stoppers with isopropyl alcohol and let them dry.

During work

• Use sterile, single-use consumables for every step.
• Do not leave vials open longer than necessary.
• Add solvent slowly down the wall of the vial without vigorous shaking.

Storage

• Store lyophilised material as stated on the product card, usually cold and protected from light.
• Label every reconstituted solution with the date and the concentration.

From reconstitution to concentration

Once material is dissolved, a calculated concentration makes your results precise and comparable. Use the concentration calculator, browse the full lab supplies range, and pick the solvent that fits your study. Orders placed by 14:00 on a working day ship the same day.