Potassium Sorbate [for Biochemical Research] is the potassium salt of sorbic acid. Sorbic acid is an unsaturated carboxylic acid with two conjugated double bonds. The compound is a well-known preservative that works mainly against molds and yeasts, and also against some bacteria. In the laboratory, potassium sorbate supports research in food preservation, microbiology and formulation science. It is used both as an antimicrobial agent in experimental systems and as a reference standard in chemical analysis, which makes it a useful reagent for many research and quality control settings.
Researchers often choose potassium sorbate because it dissolves in water much more readily than sorbic acid. This makes it practical for preparing stock solutions, test media and experimental formulations without extra solubilization steps. Its antimicrobial activity depends on pH and is generally stronger under acidic conditions, when more of the sorbic acid is present in its undissociated form. This behavior makes it a good model compound for studying how pH affects preservative effectiveness. The TCI biochemical research grade gives laboratories more reliable quality for scientific experiments where consistency between batches matters.
In Indonesia, potassium sorbate is relevant to food technology, microbiology, pharmaceutical and quality control laboratories. Typical work includes shelf-life studies of local food products, preservative efficacy testing and analytical method development for preservative content in finished goods. University research groups use it in studies on mold and yeast inhibition, and industrial quality control laboratories use it as a comparison standard when they check products against preservative requirements. AMI Scientific supplies this TCI reagent to support these research and testing needs.
- Food preservation research: its activity against molds and yeasts makes it suitable for experiments that test how well preservatives extend the shelf life of food products.
- Microbiological inhibition studies: researchers can add it to growth media to look at how fungal and some bacterial growth is suppressed under controlled laboratory conditions.
- pH–efficacy relationship studies: its activity depends on the undissociated sorbic acid fraction, which makes it a clear model for showing how acidity affects preservative performance.
- Analytical reference standard: it serves as a comparison standard when laboratories develop or validate methods to identify and measure sorbate preservatives in food and formulated products.
- Formulation development: its good water solubility allows easy incorporation into aqueous test formulations when researchers evaluate antimicrobial protection in pharmaceutical, cosmetic or food systems.
| Brand | TCI (product code P1954) |
|---|---|
| CAS number | 24634-61-5 |
| Molecular formula | — |
| Purity | — |
| Category | Life Science > Biochemicals and Reagents > Antibiotics |
| Pack sizes | see the available options on the product page |
| Physical form | — |
| Storage | keep tightly closed in a cool, dry place; follow the TCI label and Safety Data Sheet |
- Grade: For Biochemical Research
Store potassium sorbate in its original, tightly sealed container in a cool, dry and well-ventilated area. Protect it from moisture, heat and direct light. After each use, reseal the container promptly so the material does not take up moisture or become contaminated. Keep it away from strong oxidizing agents and incompatible chemicals. Use clean, dry spatulas and glassware when weighing and preparing solutions. Wear standard laboratory protective equipment, including gloves, safety glasses and a lab coat. Avoid creating or breathing dust, and avoid contact with eyes and skin. Always read the TCI Safety Data Sheet before use, and dispose of waste according to local regulations and institutional laboratory procedures.
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