中文名 | 千层纸素 |
英文名 | 5,7-dihydroxy-6-methoxyflavone |
别名 | 千层纸素 木蝴蝶素A 千层纸素A对照品 千层纸素(标准品) 千层纸素A(标准品) 千层纸素A(木蝴蝶素) 千层纸素(千层纸素A) OROXYLIN A 千层纸素 |
英文别名 | Oroxylin OLOXYLINA oxoxylin A Oroxylia A oroxylin A 6-Methoxybaicalein Baicalein 6-methyl ether 5,7-dihydroxy-6-methoxyflavone 5,7-Dihydroxy-6-methoxyflavone 5,7-dihydroxy-6-methoxy-2-phenyl-4H-chromen-4-one 5,7-Dihydroxy-6-methoxy-2-phenyl-4H-1-benzopyran-4-one |
CAS | 480-11-5 |
化学式 | C16H12O5 |
分子量 | 284.26 |
InChI | InChI=1/C16H12O5/c1-20-16-11(18)8-13-14(15(16)19)10(17)7-12(21-13)9-5-3-2-4-6-9/h2-8,18-19H,1H3 |
密度 | 1.420 |
熔点 | 195-197℃ |
沸点 | 346.76°C (rough estimate) |
闪点 | 207.4°C |
蒸汽压 | 2.6E-12mmHg at 25°C |
溶解度 | 易溶于甲醇、乙醇、丙酮和乙酸乙酯,溶于乙醚、醋酸和氯仿,微溶于苯和水,不溶于二硫化碳和石油醚。 |
折射率 | 1.6200 (estimate) |
酸度系数 | 6.48±0.40(Predicted) |
存储条件 | Sealed in dry,2-8°C |
外观 | 淡黄色或黄色粉末 |
物化性质 | 黄色针状晶体,可溶于甲醇、乙醇、DMSO等有机溶剂,来源于主含于黄芩、千层纸。 |
MDL号 | MFCD02259441 |
危险品标志 | Xn - 有害物品![]() |
风险术语 | 22 - 吞食有害。 |
上游原料 | 汉黄芩素 黄芩素 5-羟基-6,7-二甲氧基黄酮 3,4,5-三甲氧基苯酚 黄芩苷 硫酸二甲酯 |
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