Cas号459-57-4Beilstein385857分子式C7H5FO；FC6H4CHO分子量124.11别名4-氟***外观Appearance无色至***透明液体红外光谱鉴别Infraredspectrometry和对照品匹配纯度Purity≥99.5%(GC)相对密度Specificgr***ity(20/20°C)1.1800-1.1840折光率Refractiveindexn20/D1.5190-1.5220)