Boric acid and rat poisonBoric acid and rat poison. 79 mg boron/kg/day as boric acid) and rats (13. element for many organisms. . cases of Boric Acid poisoning each year. . Sodium borate, a boric acid salt also known as borax, has many common uses. Our calculations show . . . . In addition to its use as a rat poison, it is also used in laundry detergents, cosmetics . In chronic oncogenicity studies using mice, rats and beagle dogs, boric acid and . . . . Testing done on rats and mice showed a ... more