(68c) An Alternative Methodology Addressing United Nations (UN) Classification Type for Self-Reactive Substances
AIChE Spring Meeting and Global Congress on Process Safety
Tuesday, April 12, 2022 - 9:00am to 9:30am
There are 8 test series (A-H) documented in the Manual of Tests and Criteria that could be needed in order to identify the hazard level for Class 4.1 and 5.2 materials, which can be an expensive and time-consuming requirement. An alternative method aimed at streamlining the hazard classification process is proposed. This alternative method utilizes low phi-factor adiabatic calorimetry data and the measured maximum rate of pressure rise to classify self-reactive and organic peroxide substances for transport. Initial benchmarking experiments using this alternative method to classify dibenzoyl peroxide, dicumyl peroxide, and tâbutyl peroxybenzoate are promising; indicating that further evaluation of the proposed method is warranted.
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