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

2-Amino-1-naphthalenesulfonic acid

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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
  • 2-Naphthylamine-1-sulfonic acid
  • 1-Naphthalenesulfonic acid, 2-amino-
  • Kyselina tobiasova
  • Kyselina 2-naftylamin-1-sulfonova
  • Tobias acid
  • 2-aminonaphthalene-1-sulphonic acid
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Physical Properties

Property Value Unit Source
ΔfG° -305.79 kJ/mol Joback Calculated Property
ΔfH°gas -416.86 kJ/mol Joback Calculated Property
ΔfusH° 32.60 kJ/mol Joback Calculated Property
ΔvapH° 89.05 kJ/mol Joback Calculated Property
log10WS -2.50 Crippen Calculated Property
logPoct/wat 1.669 Crippen Calculated Property
McVol 152.480 ml/mol McGowan Calculated Property
Pc 5670.27 kPa Joback Calculated Property
Tboil 696.31 K Joback Calculated Property
Tc 915.54 K Joback Calculated Property
Tfus 469.26 K Joback Calculated Property
Vc 0.584 m3/kmol Joback Calculated Property

Temperature Dependent Properties

Property Value Unit Temperature (K) Source
Cp,gas [384.65; 431.79] J/mol×K [696.31; 915.54] Show Hide
Cp,gas 384.65 J/mol×K 696.31 Joback Calculated Property
Cp,gas 394.35 J/mol×K 732.85 Joback Calculated Property
Cp,gas 403.26 J/mol×K 769.39 Joback Calculated Property
Cp,gas 411.43 J/mol×K 805.93 Joback Calculated Property
Cp,gas 418.88 J/mol×K 842.47 Joback Calculated Property
Cp,gas 425.66 J/mol×K 879.00 Joback Calculated Property
Cp,gas 431.79 J/mol×K 915.54 Joback Calculated Property

Similar Compounds

1-aminonaphthalene-2-sulfonic acid. Aniline-o-sulfonic acid. Naphthionic acid. 2-Naphthylamine-6-sulfonic acid, sodium salt. 1,6-Cleve's 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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