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

Aniline-o-sulfonic acid

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InChI
InChI=1S/C6H7NO3S/c7-5-3-1-2-4-6(5)11(8,9)10/h1-4H,7H2,(H,8,9,10)
InChI Key
ZMCHBSMFKQYNKA-UHFFFAOYSA-N
Formula
C6H7NO3S
SMILES
Nc1ccccc1S(=O)(=O)O
Molecular Weight1
173.19
CAS
88-21-1
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

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.

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