Jiangsu Tianjiayi Chemical Co., Ltd. "3·21" Explosion Investigation Report Release

At 14:48 on March 21, 2019, Tianjiayi Chemical Co., Ltd., located in the ecological chemical park of Xiangshui County, Yancheng City, Jiangsu Province, had long-term illegal storage of nitrification waste due to continuous heat and temperature, which caused spontaneous combustion. The combustion caused an explosion of the nitrification waste, causing 78 People died, 76 were seriously injured, 640 were hospitalized, and the direct economic loss was 198,350,700 yuan.

The court found that Tianjiayi Company ignored the national environmental protection and production safety laws and regulations, stored and disposed of nitrification waste in violation of laws and regulations for a long time, and the confusion of enterprise management was the main cause of the accident. Tianjiayi Company also violated national regulations and illegally burned hazardous waste, seriously polluting the environment, and the consequences were particularly serious. The relevant personnel should be investigated for criminal responsibility in accordance with the law.

It was also found that six intermediary agencies including the Yancheng Environmental Monitoring Center had falsified and issued false and inaccurate documents, which caused Tianjiayi Company's nitrification waste material risks and potential accidents to fail to be exposed in time, and interfered and misled the supervision of relevant departments; Yancheng Environmental Protection Department The relevant staff of the emergency management and environmental protection departments of Hexiangshui County did not earnestly implement the relevant laws and regulations, serious lack of daily supervision, lack of strict checks on the resumption of production acceptance, and dereliction of duty, which are important reasons for the accident. Public officials in some countries still accept bribes. Relevant intermediary agencies, relevant responsible persons of intermediary agencies, and public officials of the state shall all bear corresponding criminal liabilities.

Jiangsu Tianjiayi Chemical Co., Ltd. is a fine chemical enterprise of m-phenylenediamine and p-phenylenediamine series products.

Phenylenediamine is an important dye intermediate, mainly used in aramid, azo dyes, sulfur dyes, acid dyes, etc.; but phenylenediamine is also a toxic compound with a strong sensitization effect, which can cause contact dermatitis, Eczema, bronchial asthma.