Chemical Properties of 1,2,4-Benzenetricarboxylic acid (CAS 528-44-9)

1,2,4-Benzenetricarboxylic acid

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InChI Key
Molecular Weight1
Other Names
  • 1,2,4-Tricarboxybenzene
  • 1,3,4-Benzenetricarboxylic acid
  • 1,4,5-Benzenetricarboxylic acid
  • TMA
  • Trimellitic acid
  • benzene-1,2,4-tricarboxylic acid

Physical Properties

Property Value Unit Source
Δcsolid -3219.90 ± 0.79 kJ/mol NIST
Δf -679.17 kJ/mol Joback Calculated Property
Δfgas -809.93 kJ/mol Joback Calculated Property
Δfsolid -1179.20 ± 0.79 kJ/mol NIST
Δfus 29.39 kJ/mol Joback Calculated Property
Δvap 109.50 kJ/mol Joback Calculated Property
logPoct/wat 0.78 Crippen Calculated Property
Pc 5774.15 kPa Joback Calculated Property
Tboil 880.11 K Joback Calculated Property
Tc 1085.73 K Joback Calculated Property
Tfus 574.90 K Joback Calculated Property
Vc 0.51 m3/kg-mol Joback Calculated Property

Temperature Dependent Properties

Property Value Unit Temperature (K) Source
Cp,gas 366.92 J/mol×K 880.11 Joback Calculated Property
η 0.00 Pa×s 880.11 Joback Calculated Property

Molecular Descriptors

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

Similar Compounds

1,2,4,5-Benzene-tetracarboxylic acid. 1,2-Benzenedicarboxylic acid, 4-methyl-. Benzenepentacarboxylic acid. BENZENEHEXACARBOXYLIC ACID. Benzoic acid, 2,4,5-trimethyl-. Dimethyl pyromellitate. 1,2,4,5-Benzenetetracarboxylic acid, tetramethyl ester. 1,2,4-Benzenetricarboxylic acid, trimethyl ester. 1,2,3-Benzenetricarboxylic acid. 2,3,4,5-Tetramethylbenzoic acid. 1,2-Benzenedicarboxylic acid, 4-methyl-, dimethyl ester. Benzoic acid, 2,5-dimethyl-. Diethyl pyromellitate. Tetraethylpyromellitate. Pentamethylbenzoic acid.

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