Propionic Acid Feed Grade
CAS Number: 79-09-4
Propionic Acid is the most widely used antifungal organic acid for grain and high-moisture feed preservation, effectively inhibiting mould and yeast growth at concentrations of 0.1–1.0%. It is approved as a feed preservative in all major markets and is commonly blended with ammonium propionate for buffered formulations. Our feed-grade product is available as pure liquid or neutralised salt forms to suit different application requirements.
Technical Specifications
| appearance | Clear colourless liquid with rancid odour |
| purity (%) | ≥99.5 |
| colour (Hazen) | ≤10 |
| water content (%) | ≤0.15 |
| heavy metals (ppm) | ≤5 |
Applications
- Grain preservation of high-moisture corn, wheat and barley at harvest
- Total mixed ration preservation in dairy operations to prevent mould
- High-moisture by-product preservation such as wet distillers grains
- Compound feed antifungal treatment to extend shelf life
- Blended organic acid premix formulations with formic and acetic acid
Key Features
- Most effective antifungal organic acid for grain and silage preservation
- Inhibits over 99% of common feed moulds at recommended use rates
- Available as pure acid or ammonium/calcium salt for pH-buffered products
- Globally approved preservative with extensive food and feed safety data