Your Safer Source for Science

Since 1977

Address Flinn Scientific Canada, Inc. 175 Longwood Road South Hamilton, ON L8P 0A1
Phone 844-200-1455
Fax 844-200-0890

The LD50 value is a technical term used to evaluate and define the acute toxicity of a chemical. Demonstrating the quantity of material corresponding to an extrapolated LD50 value for humans may help teachers and students understand the relative toxicity of different compounds.


  • Safety
  • LD50 Values
  • Toxicity