Palytoxin LD50 (rat, intravenous): 0.089 μg/kg according to http://www.ncbi.nlm.nih.gov/pubmed/19505494 http://www.ncbi.nlm.nih.gov/pubmed/19505494 Sarin LD50 (

Palytoxin LD50 (rat, intravenous): 0.089 μg/kg according to http://www.ncbi.nlm.nih.gov/pubmed/19505494 http://www.ncbi.nlm.nih.gov/pubmed/19505494 Sarin LD50 (rat, intravenous): 39 μg/kg according to http://cbwinfo.com/Chemical/Nerve/GB.shtml http://cbwinfo.com/Chemical/Nerve/GB.shtml So the lethal dose of palytoxin is ~1/438th of the lethal dose of sarin.