Chemical Properties of Metanilic acid (CAS 121-47-1)

Metanilic acid

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InChI Key
Molecular Weight1
Other Names
  • m-Aminobenzenesulfonic acid
  • Benzenesulfonic acid, 3-amino-
  • 3-Aminobenzenesulphonic acid
  • m-Anilinesulfonic acid
  • m-Sulfanilic acid
  • Aminobenzenesulfonic acid
  • Kyselina anilin-3-sulfonova
  • Kyselina metanilova
  • 1-Aminobenzene-3-sulfonic acid
  • 3-Aminobenzenesulfonic acid
  • Aniline-m-sulfonic acid
  • 3-Sulfoaniline
  • m-Aminophenylsulfonic acid
  • NSC 4504
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Physical Properties

Property Value Unit Source
Δcsolid -3357.30 kJ/mol NIST
Δf -436.49 kJ/mol Joback Calculated Property
Δfgas -513.90 kJ/mol Joback Calculated Property
Δfsolid -606.20 ± 1.80 kJ/mol NIST
Δfus 25.61 kJ/mol Joback Calculated Property
Δvap 77.84 kJ/mol Joback Calculated Property
log10WS -0.69 Crippen Calculated Property
logPoct/wat 0.516 Crippen Calculated Property
McVol 115.580 ml/mol McGowan Calculated Property
Pc 7255.44 kPa Joback Calculated Property
Tboil 580.83 K Joback Calculated Property
Tc 787.92 K Joback Calculated Property
Tfus 378.96 K Joback Calculated Property
Vc 0.438 m3/kmol Joback Calculated Property

Temperature Dependent Properties

Property Value Unit Temperature (K) Source
Cp,gas [261.80; 306.24] J/mol×K [580.83; 787.92] Show Hide
Cp,gas 261.80 J/mol×K 580.83 Joback Calculated Property
Cp,gas 270.63 J/mol×K 615.34 Joback Calculated Property
Cp,gas 278.88 J/mol×K 649.86 Joback Calculated Property
Cp,gas 286.56 J/mol×K 684.37 Joback Calculated Property
Cp,gas 293.68 J/mol×K 718.89 Joback Calculated Property
Cp,gas 300.24 J/mol×K 753.40 Joback Calculated Property
Cp,gas 306.24 J/mol×K 787.92 Joback Calculated Property

Similar Compounds

Aniline-o-sulfonic acid. Benzenesulfonic acid, 5-amino-2-hydroxy-. Benzenesulfonic acid, 4-amino-. m-Nitrobenzensulfonic acid. m-Aminobenzenesulfonyl fluoride. 1,6-Cleve's acid. m-Aminobenzenesulfonamide. Benzenamine, 3,3'-sulfonylbis-. 2-Naphthylamine-6-sulfonic acid, sodium salt. Benzenesulfonic acid, p-hydrazino-. 1,7-Cleve's acid. 1-Amino-8-naphthol-3,6-disulfonic acid. Naphthionic acid. 2-Chloro-5-nitrobenzene sulfonic acid. 1-aminonaphthalene-2-sulfonic acid.

Find more compounds similar to Metanilic acid.


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