Chemical Properties of 2-Amino-1-naphthalenesulfonic acid (CAS 81-16-3)

2-Amino-1-naphthalenesulfonic acid

InChI
InChI=1S/C10H9NO3S/c11-9-6-5-7-3-1-2-4-8(7)10(9)15(12,13)14/h1-6H,11H2,(H,12,13,14)
InChI Key
GWIAAIUASRVOIA-UHFFFAOYSA-N
Formula
C10H9NO3S
SMILES
Nc1ccc2ccccc2c1S(=O)(=O)O
Molecular Weight1
223.25
CAS
81-16-3
Other Names
  • 1-Naphthalenesulfonic acid, 2-amino-
  • 2-Naphthylamine-1-sulfonic acid
  • 2-aminonaphthalene-1-sulphonic acid
  • Kyselina 2-naftylamin-1-sulfonova
  • Kyselina tobiasova
  • Tobias acid
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Physical Properties

Property Value Unit Source
ΔfH°gas -372.40 kJ/mol Relay (1.0) Calculated Property
ΔfusH° 32.60 kJ/mol Joback Calculated Property
ΔvapH° 111.32 kJ/mol Relay (1.0) Calculated Property
IE 7.93 eV Relay (1.0) Calculated Property
log10WS -1.71 Relay (1.0) Calculated Property
logPoct/wat 1.669 Crippen Calculated Property
McVol 152.480 ml/mol McGowan Calculated Property
Tboil 655.80 K Relay (1.0) Calculated Property
Tc 1009.86 K Relay (1.0) Calculated Property
Tfus 503.19 K Relay (1.0) Calculated Property
Vc 0.532 m3/kmol Relay (1.0) Calculated Property

Cheméo can also estimate Critical Pressure, Standard Gibbs free energy of formation, Acentric Factor for this compound, but they fall outside the models' validated range, so they are not shown here. Open the prediction tool to compute them on demand.

Temperature Dependent Properties

Property Value Unit Temperature (K) Source
Cp,gas [384.71; 431.84] J/mol×K [696.51; 915.81] Show Hide
Cp,gas 384.71 J/mol×K 696.51 Joback Calculated Property
Cp,gas 394.40 J/mol×K 733.06 Joback Calculated Property
Cp,gas 403.32 J/mol×K 769.61 Joback Calculated Property
Cp,gas 411.48 J/mol×K 806.16 Joback Calculated Property
Cp,gas 418.93 J/mol×K 842.71 Joback Calculated Property
Cp,gas 425.70 J/mol×K 879.26 Joback Calculated Property
Cp,gas 431.84 J/mol×K 915.81 Joback Calculated Property

Similar Compounds

1-aminonaphthalene-2-sulfonic acid. O-AMINOBENZENESULFONIC ACID. NAPHTHIONIC ACID. 2-Naphthylamine-6-sulfonic acid, sodium salt. 1-AMINOPHTHALENE-6-SULPHONIC ACID. 1-Amino-8-naphthol-4-sulfonic acid. 1-Naphthalenesulfonic acid,4-amino-3-hydroxy-. 3-(4-Anilino-1-naphthylazo)-2,7-naphthalene disulfonic acid. 1,7-Cleve's acid. 3-Amino-p-toluene sulfonic acid. Sodium diphenyldiazo-bis-alpha-naphthylamine sulfonate. Evans blue. 1-Amino-8-naphthol-3,6-disulfonic acid. 4,4'-Bis[7-(1-amino-8-hydroxy-2,4-disulfo)-naphthylazo]-3,3'-bitolyl tetrasodium salt. 4,5-Dihydroxy-3-(p-nitrophenylazo)-2,7-naphthalenedisulfonic acid, disodium salt.

Find more compounds similar to 2-Amino-1-naphthalenesulfonic acid.

Sources

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