Tetrahydrofuran is highly flammable and may contribute to the release of toxic gases and vapors during a fire, according to the federal Occupational Safety and Health Administration.

• 美国职业安全与保健管理局介绍说，四氢呋喃是一种易燃物质，发生火灾时它有可能导致一些有毒气体挥发。