The physical and chemic characters of trichlorosilane were introduced. the fire danger was analysed from electrolysis, synthesis and tanks aspacts. the countermeasures were put forward.

• 介绍了三氯氢硅的理化性质及生产原理,从电解、合成、贮罐等方面分析了三氯氢硅生产的火灾危险性,指出了防火防爆对策及泄漏处理和火灾扑救方法。