Chemical Properties of Metanilic acid (CAS 121-47-1)

Metanilic acid

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InChI
InChI=1S/C6H7NO3S/c7-5-2-1-3-6(4-5)11(8,9)10/h1-4H,7H2,(H,8,9,10)
InChI Key
ZAJAQTYSTDTMCU-UHFFFAOYSA-N
Formula
C6H7NO3S
SMILES
Nc1cccc(S(=O)(=O)O)c1
Molecular Weight1
173.19
CAS
121-47-1
Other Names
  • 1-Aminobenzene-3-sulfonic acid
  • 3-Aminobenzenesulfonic acid
  • 3-Aminobenzenesulphonic acid
  • 3-Sulfoaniline
  • Aminobenzenesulfonic acid
  • Aniline-m-sulfonic acid
  • Benzenesulfonic acid, 3-amino-
  • Kyselina anilin-3-sulfonova
  • Kyselina metanilova
  • NSC 4504
  • m-Aminobenzenesulfonic acid
  • m-Aminophenylsulfonic acid
  • m-Anilinesulfonic acid
  • m-Sulfanilic acid
Sources

Physical Properties

Property Value Unit Source
Δcsolid -3357.30 kJ/mol NIST
Δf -436.49 kJ/mol Joback Calculated Property
Δfgas -513.90 kJ/mol Joback Calculated Property
Δfsolid -606.20 ± 1.80 kJ/mol NIST
Δfus 25.61 kJ/mol Joback Calculated Property
Δvap 77.84 kJ/mol Joback Calculated Property
logPoct/wat 0.516 Crippen 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/kg-mol Joback Calculated Property

Temperature Dependent Properties

Property Value Unit Temperature (K) Source
Cp,gas 261.80 J/mol×K 580.83 Joback Calculated Property

Molecular Descriptors

Joback and Reid Groups
=CH- (ring) 4
-OH (alcohol) 1
-NH2 1
=C< (ring) 2
-S- 1
=O 2

Similar Compounds

Benzenesulfonic acid, 4-amino-. m-Nitrobenzensulfonic acid. Benzenesulfonic acid, 5-amino-2-hydroxy-. Noname. BENZENESULFONIC ACID. Benzenesulfonic acid, p-hydrazino-. Aniline-o-sulfonic acid. Sulfanilic acid, n-methyl-, sodium salt. Noname. Benzenesulfonic acid, 4-hydroxy-. P-phenylazobenzene sulfonic acid. Metanilyl fluoride. P-toluene sulfonic acid monohydrate. P-toluenesulfonic acid, potassium salt. P-toluene sulfonic acid.

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