Thermal hazard analysis of 1-((cyano-1-methylethyl) azo) formamide and effect of incompatible substances on its thermal decomposition |
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| Institution: | 1. School of Environmental and Safety Engineering, Changzhou University, No. 21, Gehu mid-Rd., Wujin Dist., Changzhou, 213164, Jiangsu, China;2. Department of Safety, Health, and Environmental Engineering, National Yunlin University of Science and Technology, No. 123, University Rd., Sec. 3, Yunlin, 64002, Taiwan, ROC;1. State Key Laboratory of Mining Response and Disaster Prevention and Control in Deep Coal Mines, Anhui University of Science and Technology (AUST), 168, Taifeng St., Anhui 232001, China;2. School of Chemical Engineering, AUST, 168, Taifeng St., Anhui 232001, China;3. Department of Safety, Health and Environmental Engineering, Hung-Kuang University, Taichung 43302, Taiwan;1. ChemInform St. Petersburg (CISP) Ltd., PO Box 25, 193232 Saint Petersburg, Russia;2. HEL Ltd, 9-10 Capital Business Park, Manor Way, Borehamwood, Hertfordshire WD6 1GW, UK |
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| Abstract: | 1-((cyano-1-methylethyl) azo) formamide (CABN) is an azo compound that exhibits high thermal sensitivity and self-reactivity. Because of incorrect operation, incompatible substances and other dangerous conditions, thermal explosion accidents may occur during the manufacturing, storage, and transportation of CABN. The pyrolysis characteristics of CABN and its mixture for various heating rates were assessed using differential scanning calorimetry. The results showed that incompatible substances increased the risk of CABN. Moreover, the thermal runaway of CABN under an adiabatic condition was studied using an adiabatic rate calorimeter to obtain the parameters under adiabatic condition. Based on the experimental data, the kinetic parameters of CABN and its mixtures were obtained. In addition, a thermal decomposition kinetic model of CABN was created using Thermal Safety Series. All experiments have shown that the conditions and parameters of CABN must be strictly controlled. |
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| Keywords: | 1-((Cyano-1-methylethyl) azo) formamide Pyrolysis characteristics Differential scanning calorimetry Thermal runaway Adiabatic rate calorimeter |
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