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CAS号: 62669-75-4 英文名称: Coumarin 338 英文同义词: COUMARIN 338;lasergrade,99%;COUMARIN 338, LASER GRADE;Coumarin 338, laser grade, pure;Coumarin 338,99%,pure,laser grade;COUMARIN 338, 99%, LASER GRADE, PURE;hydro-11-oxo-,1,1-dimethylethylester;tert-butyl 2,3,6,7-tetrahydro-11-oxo-7h,5h,11h-[1]benzopyrano[6,7,8-ij]quinolizine-10-carboxylate;1,2,3,5,6,7-Hexahydro-11-oxo-11H-[1]benzopyrano[6,7,8-ij]quinolizine-10-carboxylic acid tert-butyl ester;2,3,6,7-Tetrahydro-11-oxo-1H,5H,11H-[1]benzopyrano[6,7,8-ij]quinolizine-10-carboxylic acid 1,1-dimethylethyl ester 中文名称: 香豆素 338 中文同义词: 香豆素 338 分子式: C20H23NO4 分子量: 341.4 熔点 : 171 °C 沸点 : 477.03°C (rough estimate) 密度 : 1.2064 (rough estimate) 折射率 : 1.5614 (estimate) 酸度系数(pKa): 5.36±0.40(Predicted) EPA化学物质信息: 1H,5H,11H-[1]Benzopyrano[6,7,8-ij]quinolizine-10-carboxylic acid, 2,3,6,7-tetrahydro-11-oxo-, 1,1-dimethylethyl ester (62669-75-4) 危险品标志 : Xn 危险类别码 : 36/37/38-20/21/22 安全说明 : 37/39-26