In preparation of 1 chloropinacolone(1 chloro 3,3 dimethy1 2 butanone) by chlorination of pinacolone in methanol, the reaction mixture may vigorously bump sometimes.

• 在甲醇中氯化片呐酮以制备1-氯代片呐酮（1-氯代-3，3-二甲基-2-丁酮），有时会发生类似暴沸的冲料现象。