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Potassium sorbate is a widely used preservative in the cosmetics and personal care industry, known for its ability to inhibit the growth of mold, yeast, and bacteria. It is a potassium salt of sorbic acid and is typically available in a white crystalline powder form or as a liquid solution. This compound is favored for its effectiveness at low concentrations and is often used in formulations to extend shelf life and maintain product integrity.
| Chemical formula | C6H7KO2 |
| Purity | Typically 99% or higher |
| Solubility | Soluble in water |
| pH range | 5 to 7 |
| Melting point | Around 270°C |
When selecting potassium sorbate, buyers should consider the intended application and required purity levels. It's important to specify the desired form, whether powder or liquid, and to inquire about any relevant certifications, such as food-grade or cosmetic-grade standards. Additionally, consider the quantity needed, as bulk purchases may offer cost advantages.
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It is primarily used as a preservative in cosmetics, personal care products, and food.
Yes, it is generally recognized as safe for use in cosmetics and personal care products.
While rare, some individuals may experience sensitivity or allergic reactions.
It inhibits the growth of mold, yeast, and bacteria, extending the shelf life of products.
It is effective against many, but not all types of bacteria and fungi.
Concentrations usually range from 0.1% to 0.5% in formulations.