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Lactic acid is an organic acid that is produced naturally in the body during the breakdown of carbohydrates. It is commonly available in both liquid and powdered forms and is derived from fermentation processes involving sugars. Lactic acid is widely used in the food industry as a preservative and flavoring agent, as well as in the pharmaceutical and cosmetic industries for its beneficial properties.
| Chemical formula | C3H6O3 |
| Purity | Typically 80% to 90% for industrial use |
| Appearance | Colorless to yellowish liquid or white crystalline powder |
| Boiling point | Approx. 122 °C (252 °F) |
| Melting point | Approx. 16 °C (61 °F) |
When selecting lactic acid, buyers should consider the intended application and required purity level. For food applications, ensure the product meets food-grade standards, while pharmaceutical uses may require higher purity and specific certifications. It is also important to specify the form needed (liquid or powder) and the quantity for bulk orders to ensure optimal pricing and availability.
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Lactic acid is used in food preservation, pharmaceuticals, cosmetics, and as a feed additive.
Yes, lactic acid is generally recognized as safe (GRAS) for food applications.
Store in a cool, dry place away from direct sunlight and incompatible materials.
Yes, lactic acid is often used in skincare for its exfoliating and moisturizing properties.
Food-grade lactic acid meets specific safety and purity standards, while industrial-grade may not.
Lactic acid is produced through fermentation of carbohydrates by lactic acid bacteria.