Chemical Properties of Benzenesulfonic acid, 4-amino- (CAS 121-57-3)

Benzenesulfonic acid, 4-amino-

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InChI Key
Molecular Weight1
Other Names
  • 4-Amino benzenesulphonic acid
  • 4-Aminobenzenesulfonic acid
  • Aniline-4-sulfonic acid
  • Aniline-p-sulfonic acid
  • Aniline-p-sulphonic acid
  • Kyselina sulfanilova
  • NSC 7170
  • Sulfanilic acid
  • Sulfanilsaeure
  • Sulphanilic acid
  • p-Aminobenzenesulfonic acid
  • p-Aminophenylsulfonic acid
  • p-Anilinesulfonic acid

Physical Properties

Property Value Unit Source
Δcsolid -3351.20 ± 0.50 kJ/mol NIST
Δf -436.49 kJ/mol Joback Calculated Property
Δfgas -513.90 kJ/mol Joback Calculated Property
Δfsolid -612.30 ± 1.00 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 561.10 ± 0.20 K Thermod...
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

Benzenesulfonic acid, p-hydrazino-. 1,7-Cleve's acid. Metanilic acid. P-phenylazobenzene sulfonic acid. Naphthionic acid. 1,6-Cleve's acid. Aniline-o-sulfonic acid. Sodium diphenylamine-p-sulfonate. Benzenesulfonic acid. 2-Naphthylamine-6-sulfonic acid, sodium salt. Barium diphenylamine p-sulfonate. Dapsone. P-fluorobenzenesulfonic acid. 4-Chlorobenzenesulfonic acid. P-(4-amino-1-naphthylazo)benzene sulfonic acid, sodium salt.

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