Chemical Properties of 3,4-Dimethoxycinnamic acid (CAS 2316-26-9)

3,4-Dimethoxycinnamic acid

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InChI Key
Molecular Weight1
Other Names
  • (2E)-3-(3,4-Dimethoxyphenyl)-2-propenoic acid
  • 2-Propenoic acid, 3-(3,4-dimethoxyphenyl)-
  • 3,4-Di-O-methylcaffeic acid
  • 3,4-Dimethoxyphenyl-2-propenoic acid
  • Caffeic acid dimethyl ether
  • Cinnamic acid, 3,4-dimethoxy-
  • Dimethyl caffeic acid
  • Methylferulic acid
  • NSC 4323
  • NSC 43569
  • O,O-Dimethylcaffeic acid
  • o-Methylferulic acid
  • trans-3,4-Dimethoxycinnamic acid

Physical Properties

Property Value Unit Source
Δf -260.63 kJ/mol Joback Calculated Property
Δfgas -468.81 kJ/mol Joback Calculated Property
Δfus 25.77 kJ/mol Joback Calculated Property
Δsub 149.90 ± 0.80 kJ/mol NIST
Δvap 71.88 kJ/mol Joback Calculated Property
logPoct/wat 1.80 Crippen Calculated Property
Pc 3086.42 kPa Joback Calculated Property
Tboil 682.77 K Joback Calculated Property
Tc 886.19 K Joback Calculated Property
Tfus 415.32 K Joback Calculated Property
Vc 0.58 m3/kg-mol Joback Calculated Property

Temperature Dependent Properties

Property Value Unit Temperature (K) Source
Cp,gas 399.37 J/mol×K 682.77 Joback Calculated Property
η 0.00 Pa×s 682.77 Joback Calculated Property

Molecular Descriptors

Joback and Reid Groups
-O- (nonring) 2
>C=O (nonring) 1
=CH- (ring) 3
-OH (alcohol) 1
=C< (ring) 3
=CH- 2
-CH3 2

Similar Compounds

(Z)-3,4-Dimethoxycinnamic acid. 2-Propenoic acid, 3-(3,4-dimethoxyphenyl)-, (E)-. trans-Ferulic acid. 2-Propenoic acid, 3-(4-hydroxy-3-methoxyphenyl)-. 2-Propenoic acid, 3-(3,4,5-trimethoxyphenyl)-, methyl ester, cis. 2-Propenoic acid, 3-(3,4-dimethoxyphenyl)-, methyl ester. 2-Propenoic acid, 3-(3,4-dimethoxyphenyl)-, methyl ester, trans. 3-(3,4-dimethoxyphenyl)-2-propenal. 3-Hydroxy-4-methoxycinnamic acid. Ethyl 3-(3,4-dimethoxyphenyl)acrylate. 2-Propenoic acid, 3-(4-hydroxy-3-methoxyphenyl)-, methyl ester. 2-Propenal, 3-(4-hydroxy-3-methoxyphenyl)-. Cinnamic acid, 4-hydroxy-3,5-dimethoxy-. Ferulic acid ethyl ester. (E)-Methyl isoeugenol.

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