Galangin is a flavonol, a type of flavonoid. It is found in high concentrations in Alpinia officinarum (lesser galangal) and Helichrysum aureonitens. It is also found in the galangal rhizome (Alpinia galanga) and in propolis. Galangin has been shown to have in vitro antibacterial and antiviral activity. The flavonol also inhibits the growth of breast tumor cells in vitro.

CAS：548-83-4
中文别名：3,5,7-三羟基黄酮;高良姜精;
英文别名：NORIZALPININ;Galengin;3,5,7-trihydroxy-2-phenyl-chromen-4-one;5,7-dihydroxyflavonol;3,5,7-trihydroxyfalvone;Galangin;teptochrysin;3,5,7-trihydroxy-flavon;3,5,7-trihydroxyflavone;
分子式：C15H10O5
分子量：270.237
精确质量：270.053
Psa：90.9
Logp：2.5768

MDL号：MFCD00006833

外观与性状：淡黄色针状晶体
密度：1.579 g/cm3
沸点：518.6ºC at 760 mmHg
熔点：214-215°C(lit.)
闪点：202ºC
折射率：1.747

RTECS号：LK9275500
安全说明：S26-S37/39
WGK Germany：3
危险类别码：R36/37/38
海关编码：2914400090
危险品标志：Xi