Introduction
Name: propanoic acid*; ethanecarboxylic acid; propionic acid
* IUPAC
CAS Number: 79-09-4
Molar Mass: 74.07854 g
State of Matter: colorless liquid
Mass Percent: C 48.640 %; H 8.1638 %; O 43.195 %
Isomers: 3-hydroxypropionaldehyde
Classification
Physical Properties
Melting Point:*
-20.7°C 1 = 252.45 K = -5.26°F
Boiling Point:*
141.1°C 1 = 414.25 K = 285.98°F
Density (g/cm3):
0.9930 at 20°C 1
* - 1 atm pressure
Solubility
Qualitative:
slightly soluble: 1
soluble: 1
miscible: • 1
Bonding
Double Bonds: 1
Triple Bonds: 0
Sigma Bonds: 10
Pi Bonds: 1
Total: 11
Carboxyl Groups: 1
Hydroxyl Groups: 0
Hybridization: single bonded carbons are sp3; carboxyl carbon is sp2; carboxyl oxygen is sp2; remaining oxygen is sp3
For More Information
Sources
(1) - Lide, David R. CRC Handbook of Chemistry and Physics, 83rd ed.; CRC Press: Boca Raton, FL, 2002; p 3-279.