1. The median lethal dose in mice is 289 mg / kg. 2. The median lethal dose ( half-life. 3. The most referenced value in the chemical industry is the median lethal dose , or LD50. 4. In rats the median lethal dose ( LD50 ) is 1.9 2.4 ml / kg. 5. The median lethal dose of alcohol in test animals is a blood alcohol content of 0.45 %. 6. Mice injected intraperitoneally with four times the 5-day median lethal dose of CYN showed no toxic effects. 7. Median lethal dose ( LD 50 ) for mice is around 1-2 ?g / kg ( subcutaneous injection ).8. Experiments indicate that the median lethal dose ( LD 50 ) on tested female rats is 0.36 mg / kg. 9. The ( median lethal dose ) for pure oxalic acid in rats is about 375 anthraquinone glycoside ( also known as senna glycosides ). 10. Like other thallium compounds, it is considered extremely toxic, with an oral median lethal dose of 21 mg / kg in mice.