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产品名称 | D-脯氨酸 |
英文名称 | D-Proline |
CAS No. | 344-25-2 |
含量 | 99%Min |
结构式 | |
更多内容: | |
名称和标识
中文别名
英文别名
CAS
Inchi
InChkey
Canonical Smiles
国际化联命名
物化属性
密度:1.186熔点:223℃沸点:252.2 °C at 760 mmHg折射率:85 ° (C=4, H2O)闪光点:106.3 °C蒸气压力:3.02X10-8 mm Hg at 25 deg C (est)PSA:49.33000logP:0.15180溶解度:soluble >1000 g/L (20 ºC)外观:白色细粉末晶体。水中溶解度 >1000g/L (20°C),不溶于醚。熔点:223°C 比旋光度[α]20D 85 ° (C=4, H2O)存储:Hygroscopic. Store under Nitrogen. Ambient temperatures.化学性质:White to off-white powder颜色:White to Yellow Solid分解:When heated to decomposition it emits toxic vapors of /nitrogen oxides/.气味:Odorless物理属性:
熔点:223 °C (dec.)(lit.) 折射率:85 ° (C=4, H2O)水溶解性:soluble >1000 g/L (20 ºC) 酸度系数(pka):1.952(at 25℃)溶解性:不可用光谱特性:SPECIFIC OPTICAL ROTATION: -80.9 DEG @ 20 DEG C/D (WATER, 1%); SADTLER REF NUMBER: 1905 (IR, PRISM)SPECIFIC OPTICAL ROTATION: -85.0 @ 23.4 DEG C/D (WATER, 1%); -52.6 @ 20 DEG C/D (0.50 N HYDROCHLORIC ACID, 0.58%); -93.9 DEG @ 20 DEG C/D (0.6 N POTASSIUM HYDROXIDE, 2.4%) IR: 21030 (Sadtler Research Laboratories IR Grating Collection) UV: 6-52 (Organic Electronic Spectral Data, Phillips et al, John Wiley & Sons, New York) NMR: 7565 (Sadtler Research Laboratories Spectral Collection) MASS: 4037 (National Bureau of Standards EPA-NIH Mass Spectra Data Base, NSRDS-NBS-63)稳定性:Stable under normal temperatures and pressures.存储温度:Store at RT. 安全信息
危险品标志:Xi; Xn危险类别码:R22安全说明编码 :S24/25危险品运输编号:25kgsWGK Germany:3
生产方法及用途
描述D-脯氨酸是一种化学物质,化学式是C5H9NO2。用途用于合成药品;
用于β-紫罗兰叉乙醛(β-ionylideneacetaldehyde)、视黄醛(retinal) 和相关化合物的非对称自缩合反应。; |