What is E280?
Propionic acid (E280) is an organic chemical compound from the carboxylic acid group. It is commonly used as a food additive for preservation and pH regulation. It is a colorless substance with a characteristic odor that occurs naturally in food products such as cheese, bread and other bakery products.

What is E280 (Propionic acid) food additive?
Food Industry: Propionic acid and its sodium and calcium salts are used as food additives to preserve and extend shelf life. Particularly in dairy products, bread, pastries, and similar foods, they prevent mold growth and bacterial proliferation, thereby prolonging the shelf life.
What is propionic acid used for in agriculture?
Propionic acid is a naturally occurring carboxylic acid with antimicrobial properties. It's widely used in agriculture to inhibit the growth of moulds and bacteria, thereby preserving the quality of animal feed.
Who makes propionic acid in China?
Welcome to TIANJIN GNEE BIOTECH CO., LTD., a leading manufacturer, supplier, and factory of propionic acid in China. As a trusted producer of high-quality chemicals, we are proud to offer our customers a reliable source of propionic acid, a versatile compound with various industrial applications.
Purchase Chemical Raw Materials Click here: TIANJIN GNEE BIOTECH CO., LTD.
Why choose Gneebio manufacturer?
Gneebio is a trusted manufacturer and supplier with over a decade of experience in the chemical industry. Our 99% Purity propionic acid (CAS 79-09-4) is produced under strict ISO and GMP quality systems, ensuring high purity concentration in industrial applications. We offer:
- Product specifications (technical data sheet);
- Provide COA, MSDS, Health Certificate, and Origin Certificate.






