Ionic liquids (ILs) are known as room temperature molten salts, which are considered green replacement to traditional organic solvents. The fire hazards of traditional organic solvents mainly depend on the combustibility of their vapors, thus ILs are generally regarded as nonflammable owing to their low volatility. However, recent studies show that ILs may combust due to the potential hazards of thermal decomposition, indicating the issue of fire and explosion of ILs are eager to be evaluated during the applications. In this study, the fire and explosion hazards of IL 1-hexyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide ([C₆mim][NTf₂]) are explored in different aspects. The traditional definition of the flammability for the common organic solvent is not thoroughly applicable to [C₆mim][NTf₂] due to the low volatility. Furthermore, the common definition of reactivity for traditional organic solvents also fails to apply, because the decomposition reaction is indeed an endothermic reaction. However, the auto-ignition of some decomposition products will result in fire and explosion hazards for [C₆mim][NTf₂]. Therefore the application of such data in safety purposes should be very careful.

离子液体（ILs）被称为室温熔融盐，被认为是传统有机溶剂的绿色替代品。传统有机溶剂的火灾隐患主要取决于其蒸气的可燃性，因此，由于挥发性物质的挥发性低，它们通常被认为是不可燃的。但是，最近的研究表明，由于热分解的潜在危险，IL可能会燃烧，这表明在应用过程中急需评估IL的着火和爆炸问题。在这项研究中，IL 1-己基-3-甲基咪唑双（三氟甲基磺酰基）酰亚胺（[C ₆ mim] [NTf ₂]）进行了不同方面的探讨。普通有机溶剂的可燃性的传统定义由于挥发性低而不能完全适用于[C ₆ mim] [NTf ₂ ]。此外，对于传统有机溶剂的反应性的一般定义也不能适用，因为分解反应确实是吸热反应。但是，某些[C ₆ mim] [NTf ₂ ]的分解产物的自燃将导致火灾和爆炸危险。因此，出于安全目的将此类数据应用应非常小心。