The toxic effect of the compound was apparent in the 1984 Bhopal disaster , when around of methyl isocyanate and other gases were released from the underground reservoirs of the Union Carbide India Limited ( UCIL ) factory , over a populated area on December 3 , 1984 , killing about 3,500 people immediately and 15,000 more over the next several years
Bhopal disaster
Bhopal disaster
Methyl isocyanate