Chemical Properties of Benzoic acid, 3,4-dihydroxy-, methyl ester (CAS 2150-43-8)

Benzoic acid, 3,4-dihydroxy-, methyl ester

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InChI Key
Molecular Weight1
Other Names
  • 3,4-Dihydroxybenzoic acid methyl ester
  • Methyl 3,4-dihydroxybenzoate
  • Methyl protocatechuate
  • Protocatechuic acid, methyl ester

Physical Properties

Property Value Unit Source
Δf -414.27 kJ/mol Joback Calculated Property
Δfgas -571.34 kJ/mol Joback Calculated Property
Δfus 24.87 kJ/mol Joback Calculated Property
Δvap 70.86 kJ/mol Joback Calculated Property
logPoct/wat 0.88 Crippen Calculated Property
Pc 5818.28 kPa Joback Calculated Property
Tboil 646.65 K Joback Calculated Property
Tc 888.33 K Joback Calculated Property
Tfus 501.94 K Joback Calculated Property
Vc 0.33 m3/kg-mol Joback Calculated Property

Temperature Dependent Properties

Property Value Unit Temperature (K) Source
Cp,gas 299.69 J/mol×K 646.65 Joback Calculated Property
η 0.00 Pa×s 646.65 Joback Calculated Property

Molecular Descriptors

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

Similar Compounds

Benzoic acid, 3,4-dihydroxy-, ethyl ester. Gallic acid, ethyl ester. 3,4-dihydroxybenzoic acid. Benzoic acid, 4-hydroxy-3-methoxy-, methyl ester. 3-HO-C6H4-COOCH3. Benzoic acid, 3,4,5-trihydroxy-, propyl ester. Benzoic acid, 3,4,5-trihydroxy-. Benzoic acid, 3,4-dimethoxy-, methyl ester. Benzoic acid, 4-hydroxy-3-methoxy-, ethyl ester. Benzoic acid, 4-hydroxy-3,5-dimethoxy-, methyl ester. Ethyl 3-hydroxybenzoate. Gallic acid, n-dodecyl ester. 3-Hydroxy-4-methoxybenzoic acid. Methyl 3-methoxy-4-ethoxybenzoate. Benzoic acid, 3,4,5-trimethoxy-, methyl ester.

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