苯丙酸

苯丙酸英語:或 hydrocinnamic acid)是一种分子式为C9H10O2的带芳香基团的羧酸,属于苯丙素类,是一种白色晶体,带有甜味,常温下有花香,在化妆品、食品和制药上有广泛应用。[5]

苯丙酸
IUPAC名
3-Phenylpropanoic acid
别名 Phenylpropionic acid, Benzenepropanoic Acid, β-Phenylpropionic Acid, Benzylacetic Acid, Dihydrocinnamic Acid, β-Phenylpropanoic Acid[1]
识别
CAS号 501-52-0
PubChem 107
ChemSpider 10181339
SMILES
ChEBI 28631
性质
化学式 C9H10O2
摩尔质量 150.177 g/mol[2] g·mol¹
外观 White crystalline solid; faint, sweet, somewhat balsmaic and coumarian-like odor[3]
密度 1.126 g/cm3
熔点 47-50 °C(320-323 K)
沸点 280 °C(553 K)
溶解性 5.9 g/L
log P 1.839[3]
pKa 4.66 (H2O)[4]
若非注明,所有数据均出自一般条件(25 ℃,100 kPa)下。

参考文献

  1. . National Institute of Standards and Technology. [16 November 2012].
  2. . R&D Chemicals. [10 October 2012].
  3. . Chem Spider. [19 October 2012].
  4. Haynes, William M. (编). 97th. CRC Press. 2016: 5–89. ISBN 978-1498754286.
  5. S. M. Korneev "Hydrocinnamic Acids: Application and Strategy of Synthesis" Synthesis 2013, volume 45(8), pages 1000-1015. doi:10.1055/s-0032-1318475
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