Chemical Properties of «alpha»-Methylcinnamic acid (CAS 1199-77-5)

«alpha»-Methylcinnamic acid

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InChI Key
Molecular Weight1
Other Names
  • 2-Methyl-3-phenyl-2-propenoic acid
  • 2-Propenoic acid, 2-methyl-3-phenyl-
  • Cinnamic acid, «alpha»-methyl-

Physical Properties

Property Value Unit Source
Δf -48.34 kJ/mol Joback Calculated Property
Δfgas -170.58 kJ/mol Joback Calculated Property
Δfus 20.28 kJ/mol Joback Calculated Property
Δvap 63.59 kJ/mol Joback Calculated Property
logPoct/wat 2.17 Crippen Calculated Property
Pc 3740.80 kPa Joback Calculated Property
Tboil 604.97 K Joback Calculated Property
Tc 817.08 K Joback Calculated Property
Tfus 320.59 K Joback Calculated Property
Vc 0.49 m3/kg-mol Joback Calculated Property

Temperature Dependent Properties

Property Value Unit Temperature (K) Source
Cp,gas 306.62 J/mol×K 604.97 Joback Calculated Property
ΔvapH 78.50 kJ/mol 479.5 NIST

Molecular Descriptors

Joback and Reid Groups
-CH3 1
=CH- (ring) 5
-OH (alcohol) 1
=C< (ring) 1
=C< 1
=CH- 1
>C=O (nonring) 1

Similar Compounds

Propanedioic acid, (phenylmethylene)-. (2E)-2-ethyl-3-phenyl-2-propenoic acid. Benzylidenemalonaldehyde. Ammonium cinnamate. 2-Propenoic acid, 3-phenyl-. 2-Methyl-3-phenyl-2-propen-1-ol. (Z)-3-Phenyl-2-propenoic acid. trans-Cinnamic acid. P-hydroxybenzylidene malonic acid. 2-Propenal, 2-methyl-3-phenyl-. P-methylcinnamic acid. 2-Propenoic acid, 3-phenyl-, methyl ester. Methyl cis-cinnamate. 2-Propenoic acid, 3-phenyl-, methyl ester, (E)-. Cinnamic acid, sodium salt.

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