Phenylpropanoic acid

Phenylpropanoic acid
Names
Preferred IUPAC name
3-Phenylpropanoic acid
Other names
Phenylpropionic acid, Benzenepropanoic Acid, β-Phenylpropionic Acid, Benzylacetic Acid, Dihydrocinnamic Acid, β-Phenylpropanoic Acid[1]
Identifiers
3D model (JSmol)
ChEBI
ChemSpider
ECHA InfoCard 100.007.204 Edit this at Wikidata
KEGG
UNII
  • OC(=O)CCc1ccccc1
Properties
C9H10O2
Molar mass 150.177 g/mol[2]
Appearance White crystalline solid; faint, sweet, somewhat balsamic and coumarin-like odor[3]
Density 1.126 g/cm3
Melting point 47 to 50 °C (117 to 122 °F; 320 to 323 K)
Boiling point 280 °C (536 °F; 553 K)
5.9 g/L
log P 1.839[3]
Acidity (pKa) 4.66 (H2O)[4]
Hazards
Flash point 110 °C (230 °F; 383 K)[3]
Related compounds
Related compounds
Benzoic acid, Phenylacetic acid, Cinnamic acid
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Phenylpropanoic acid or hydrocinnamic acid is a carboxylic acid with the formula C9H10O2 belonging to the class of phenylpropanoids. It is a white, crystalline solid with a sweet, floral scent at room temperature. Phenylpropanoic acid has a wide variety of uses including cosmetics, food additives, and pharmaceuticals.[5]

  1. ^ "Hydrocinnamic acid". National Institute of Standards and Technology. Retrieved 16 November 2012.
  2. ^ "Hydrocinnamic Acid". R&D Chemicals. Retrieved 10 October 2012.
  3. ^ a b c "3-phenylpropanoic acid". Chem Spider. Retrieved 19 October 2012.
  4. ^ Haynes, William M., ed. (2016). CRC Handbook of Chemistry and Physics (97th ed.). CRC Press. pp. 5–89. ISBN 978-1498754286.
  5. ^ Korneev, Sergei (2013). "Hydrocinnamic Acids: Application and Strategy of Synthesis". Synthesis. 45 (8): 1000–1015. doi:10.1055/s-0032-1318475.