Compound that is intermediate chemical in formulation of many carbamate pesticides
Highly toxic if inhaled, contacted, or ingested
Odorless, clear liquid
Principle toxicant in Bhopal disaster
Methyl isocyanate
Blister chemical agents 
Ethacrynic acid
Lewisite 
Nitrous oxide
Sulfur mustard 
Naphthalene
Phosgene oxime 