Cypermethrin Health and Safety Guide: Health and Safety Guide No. 22

This is a companion volume to Environmental Health Criteria 82: Cypermethrin. The Environmental Health Criteria (EHC) documents produced by the International Programme on Chemical Safety include an assessment of the effects on the environment and on human health of exposure to a chemical or combination of chemicals, or physical or biological agents. They also provide guidelines for setting exposure limits. Cypermethrin is the ISO name for the pure raceniic compound, consisting of 8 stereo isomers. The technical products commonly available contain more than 90% cypermethrin and the ratio of cis to trans isomers varies from 50:50 to 40:60.