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Preservation of animal feed, grain and food (calcium and sodium propionates) accounted for 79% of world propionic acid consumption, followed by diethyl ketone and various herbicides. Other smaller-volume applications include cellulose acetate propionate, pharmaceuticals, solvent esters, flavors and fragrances, plasticizers, dyes, and textile, leather and rubber auxiliaries. Demand for propionic acid is largely dependent on production of animal feed and grain, followed by packaged food and bakery products. World growth prospects for propionic acid and its salts in animal feed/grain preservation and food are good. The main factors behind this growth are:
- Significant demand growth in animal feeds and grains as a preservative. This market is expected to grow quickly in all regions as demand for meat is increasing, particularly in developing countries.
- Improving living standards, particularly in Asia.
- Desire for convenience (increased popularity of processed foods).
- Food safety (preservation). Longer shelf lives are anticipated as more food and ready-to-drink beverages are consumed days or weeks after production.
The following pie chart shows world consumption of propionic acid:
Europe accounted for nearly 43% of world consumption of propionic acid in 2006, followed by North America and Asia, with 40% and 10%, respectively. Animal feed/grain preservation accounted for most consumption in Europe, North America, Australia, and the Middle East; calcium and sodium propionates accounted for most consumption in Africa and Central and South America.
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