Chemical Properties of Aniline-o-sulfonic acid (CAS 88-21-1)

Aniline-o-sulfonic acid

PDF Excel Molecule Calculator
InChI Key
Molecular Weight1
Other Names
  • o-Aminobenzenesulfonic acid
  • Orthanilic acid
  • Benzenesulfonic acid, 2-amino-
  • o-Sulfanilic acid
  • Aniline-o-sulphonic acid
  • Aniline-2-sulfonic acid
  • Benzenesulfonic acid, o-amino-
  • 1-Aminobenzene-2-sulfonic acid
  • 2-Aminobenzenesulfonic acid
  • o-Aminophenylsulfonic acid
  • Anilino-o-sulfonic acid
  • Anilino-2-sulfonic acid
  • Anilino-o-sulphonic acid
  • 2-Aminobenzenesulphonic acid
  • NSC 147
Cheméo is a service of Céondo GmbH, since 2007, we provide simulation, modelling and software development services for the industry. Do not hesitate to contact us for your projects.

Physical Properties

Property Value Unit Source
Δcsolid -3363.90 ± 0.60 kJ/mol NIST
Δf -436.49 kJ/mol Joback Calculated Property
Δfgas -513.90 kJ/mol Joback Calculated Property
Δfsolid -559.60 ± 1.10 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

1-aminonaphthalene-2-sulfonic acid. 3-Amino-p-toluene sulfonic acid. Metanilic acid. 2-Amino-1-naphthalenesulfonic acid. Benzenesulfonic acid, 4-amino-. 1,6-Cleve's acid. O-aminobenzenesulfonamide. Naphthionic acid. Benzenesulfonic acid, 5-amino-2-hydroxy-. m-Nitrobenzensulfonic acid. 2-Naphthylamine-6-sulfonic acid, sodium salt. 1,7-Cleve's acid. 3-(4-Anilino-1-naphthylazo)-2,7-naphthalene disulfonic acid. Benzenesulfonic acid, 2,4-dinitro-. 1-Amino-8-naphthol-4-sulfonic acid.

Find more compounds similar to Aniline-o-sulfonic acid.


Note: Cheméo is only indexing the data, follow the source links to retrieve the latest data. The source is also providing more information like the publication year, authors and more. Take the time to validate and double check the source of the data.