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Lesson Learned from an Explosion during Chemical Synthesis: Discussion and Preventative Strategies
ACS Chemical Health & Safety ( IF 2.9 ) Pub Date : 2020-07-27 , DOI: 10.1021/acs.chas.9b00028 Zhihua Li 1 , Wei Wang 1
ACS Chemical Health & Safety ( IF 2.9 ) Pub Date : 2020-07-27 , DOI: 10.1021/acs.chas.9b00028 Zhihua Li 1 , Wei Wang 1
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An explosion accident occurred when synthesizing Zn(II)-2,9,16,23-tetracarboxyphthalocyanine from trimellitic anhydride, urea, and zinc acetate. In this work, we discuss the direct causes of this explosion by investigating the thermal stability of the reaction with differential scanning calorimetry. Furthermore, four factors leading to explosions in closed systems have been summarized, including vessel damage, system volume reduction, increasing temperature, and gas generation. Finally, we propose technical and managerial measures for preventing explosions in a closed system, aiming to help scientific researchers prevent potential explosion accidents in academic laboratories.
中文翻译：
从化学合成过程中的爆炸中学到的教训：讨论和预防策略
由偏苯三酸酐，尿素和乙酸锌合成Zn（II）-2,9,16,23-四羧基酞菁时发生爆炸事故。在这项工作中，我们通过用差示扫描量热法研究反应的热稳定性来讨论爆炸的直接原因。此外，总结了导致密闭系统爆炸的四个因素，包括容器损坏，系统体积减小，温度升高和气体产生。最后，我们提出了在封闭系统中防止爆炸的技术和管理措施，旨在帮助科研人员防止学术实验室中潜在的爆炸事故。
更新日期：2020-09-28
中文翻译：
从化学合成过程中的爆炸中学到的教训：讨论和预防策略
由偏苯三酸酐，尿素和乙酸锌合成Zn（II）-2,9,16,23-四羧基酞菁时发生爆炸事故。在这项工作中，我们通过用差示扫描量热法研究反应的热稳定性来讨论爆炸的直接原因。此外，总结了导致密闭系统爆炸的四个因素，包括容器损坏，系统体积减小，温度升高和气体产生。最后，我们提出了在封闭系统中防止爆炸的技术和管理措施，旨在帮助科研人员防止学术实验室中潜在的爆炸事故。
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