稍有刺激性臭味，易燃。不溶于冷水，溶于苯、甲苯、氯苯等有机溶剂，与醇、酸、胺能反应，遇水、碱会分解。在铜、铁等金属氯化物存在下能聚合 HDI系是脂肪族二异氰酸酯（ADI）中最重要的单体。 Hexamethylene diisocyanate is an aliphatic diisocyanate monomer typically used to produce oligomers and prepolymers that when combined with a polyol produce light-stable polyurethane.