1987年3月21日17点30分,吉林市永红制药厂发生了一起剧毒品硫酸二甲酯喷放事故。该厂是民政局办的“三残”企业,393名职工中大部分是聋哑残疾人员,生产主要产品为咖啡因,所用原料有硫酸二甲酯、碱、氰化钠等剧毒品。事故当天下午,2名聋哑工人卸料时误将一吨碱(氢氧化钠)装入存有15吨硫酸二甲酯的罐中,致使罐中发生化学反应。5点30分二甲酯罐口窜出白色 At 21:30 on March 21, 1987, there was a serious accidental discharge of dimethyl sulfate in Jilin Yonghong Pharmaceutical Factory. The plant is run by the Bureau of Civil Affairs “three residual ” enterprises, most of the 393 employees are deaf and disabled persons, the main product of the production of caffeine, the raw materials used are dimethyl sulfate, alkali, sodium cyanide and other highly toxic Product On the afternoon of the accident, two deaf workers accidentally unloaded one tonne of alkali (sodium hydroxide) into a tank containing 15 tons of dimethyl sulfate, resulting in a chemical reaction in the tank. 5:30 dimethyl ester tank mouth sprang white