Purpurogallin is a red, crystalline compound, and the aglycon of several glycosides from nutgalls and oak barks. It can inhibit hydroxyestradiol methylation by catechol-O-methyltransferase. It potently and specifically inhibits TLR1/TLR2 activation pathway.

CAS：569-77-7
中文别名：红陪酚;
英文别名：2,3,4,6-Tetrahydroxy-benzocyclohepten-5-on;5H-Benzocyclohepten-5-one, 2,3,4,6-tetrahydroxy-;Purpurogalline;2,3,4,6-Tetrahydroxybenzocyclohepten-5-one;2,3,4,6-tetrahydroxy-5H-benzo[7]annulen-5-one;2,3,4,6-tetrahydroxy-5H-benzocyclohepten-5-one;2,3,4,5-tetrahydroxybenzo[7]annulen-6-one;
分子式：C11H8O5
分子量：220.178
精确质量：220.037
Psa：97.99
Logp：1.0224

UNII：L3Z7U4N28P

密度：1.74g/cm3
沸点：357.9ºC at 760mmHg
熔点：275ºC (dec.)(lit.)
闪点：184.5ºC
折射率：1.79
储存条件：-20ºC

危险类别码：R36/37/38
海关编码：2914400090
危险品标志：Xi