Tropone or 2,4,6-cycloheptatrien-1-one is an organic compound with some importance in organic chemistry as a non-benzenoid aromatic. The compound consists of a ring of seven carbon atoms with three conjugated alkene groups and a ketone group. The related compound tropolone (2-hydroxy-2,4,6-cycloheptatrien-1-one) has an additional alcohol (or an enol including the double bond) group next to the ketone.

CAS：539-80-0
中文别名：2,4,6-环庚三烯-1-酮;
英文别名：2,4,6-CYCLOHEPTATRIEN-1-ONE;Tropone;2,4,6-cycloheptatrienone;cyclohepta-2,4,6-trienone;2,4,6-Cycloheptatrien-1-one;2,4,6-cycloheptatrieneone;cycloheptatrienone;1-cyclohepta-2,4,6-trienone;N-phenyl-2-azulenylmethylene;EINECS 208-725-6;
分子式：C7H6O
分子量：106.122
精确质量：106.042
Psa：17.07
Logp：1.0468

MDL号：MFCD00014331
EINECS号：208-725-6

密度：1.094
沸点：113ºC (15 torr)
熔点：-7ºC
闪点：85.6ºC
折射率：n20/D 1.615(lit.)
储存条件：-20ºC

安全说明：S24/25
海关编码：2914299000