Chemical Properties of P-methylcinnamic acid (CAS 1866-39-3)

P-methylcinnamic acid

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InChI Key
Molecular Weight1
Other Names
  • 2-Propenoic acid, 3-(4-methylphenyl)-
  • 4-Methylcinnamic acid
  • Cinnamic acid, p-methyl-
  • trans-p-methylcinnamic acid

Physical Properties

Property Value Unit Source
Δf -49.42 kJ/mol Joback Calculated Property
Δfgas -172.26 kJ/mol Joback Calculated Property
Δfus 21.20 kJ/mol Joback Calculated Property
Δvap 64.17 kJ/mol Joback Calculated Property
logPoct/wat 2.09 Crippen Calculated Property
Pc 3650.93 kPa Joback Calculated Property
Tboil 610.07 K Joback Calculated Property
Tc 819.56 K Joback Calculated Property
Tfus 347.07 K Joback Calculated Property
Vc 0.49 m3/kg-mol Joback Calculated Property

Temperature Dependent Properties

Property Value Unit Temperature (K) Source
Cp,gas 305.72 J/mol×K 610.07 Joback Calculated Property
η 0.00 Pa×s 610.07 Joback Calculated Property

Molecular Descriptors

Joback and Reid Groups
-CH3 1
=CH- (ring) 4
-OH (alcohol) 1
=C< (ring) 2
=CH- 2
>C=O (nonring) 1

Similar Compounds

Ammonium cinnamate. trans-Cinnamic acid. 2-Propenoic acid, 3-phenyl-. (Z)-3-Phenyl-2-propenoic acid. 4-Methylcinnamaldehyde. Cinnamic acid, sodium salt. 2-Propenoic acid, 3-phenyl-, methyl ester. Methyl cis-cinnamate. 2-Propenoic acid, 3-phenyl-, methyl ester, (E)-. 3-Methylcinnamic acid. (Z)-Ethyl cinnamate. 2-Propenoic acid, 3-phenyl-, ethyl ester, (E)-. 2-Propenoic acid, 3-phenyl-, ethyl ester. p-Chlorocinnamic acid. Allyl cinnamate.

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