Preservatives

Propionic acid USP grade, food grade. Translucent liquid, minimum 99% active. Soluble in water, ethanol, and ether, with antimicrobial properties that inhibit mold growth and some bacteria. Applications: preservative in foods such as cheeses, sliced bread, pastries, cakes, and meat products. Also known as E280. Properties: pH (1% solution) 2.0–3.0, translucent liquid appearance, Kosher certified, max. aldehydes content 0.05%, max. APHA color 10 ppm, heavy metals such as lead max. 10 ppm, arsenic max. 3 ppm, max. non-volatile residue 0.01%, max. water content 0.15%. CAS 79-09-4. Available in Monterrey, with shipping throughout Mexico.

Sodium propionate Lianyungang Nuoxin Food Ingredient, food grade. White powder, 100% active. High purity (min. 99%), water-soluble, used as an antifungal agent in food products—particularly in bakery goods—to prevent mold growth and extend shelf life. Applications: bread, cakes, tortillas, baked and processed foods. Properties: pH (5% solution) 8.0–10.5, CAS 137-40-6. Also known as propanoate de sodium, sodium propanoate, E281, sodium salt of propionic acid, and food preservative E281. Certified Kosher, Halal, CQC, and VeganSu. Available in Monterrey, with shipping throughout Mexico.

Potassium sorbate Nantong Acetic Acid, food grade. White powder, 100% active. Fine particle size, highly water-soluble, and easy to incorporate into various formulations. Acts as an effective antimicrobial preservative against molds, yeasts, and fungi, especially in low pH products. Applications: beverages, dairy products, baked goods, dressings, jams, preserves, cosmetics, and personal care items. Properties: pH 8.0–10.5 (5% solution), active content 99.0–101.0%, CAS 24634-61-5. Also known as: potassium sorbate, sorbate of potassium, salt of sorbic acid, E202, food preservative, antifungal preservative, mold inhibitor. Certified Halal, FSSC 22000, and Kosher. Available in Monterrey, with shipping throughout Mexico.