1. BASF 1969 Report on the study of the acute oral toxicity of propionic acid, puriss to rats BASF SE, Experimental Toxicology and Ecology 67056 Ludwigsfen, Germany
2. BASF 1971a Report on the 90-day feeding study in rats with propionic acid, technical grade BASF SE, Product Safety Regulations, Toxicology and Ecology
3. BASF 1971b Report on the study of the acute oral toxicity of Luprosil to rabbits
4. BASF 1988 Study of the toxicity of propionic acid in beagle dogs BASF Abteilung Toxikologie Department of toxicology 6700 Ludwigsfen, Germany
5. BASF 2012 Communication to EFSA