- 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
- ΔcH°solid : Standard solid enthalpy of combustion (kJ/mol).
- Cp,gas : Ideal gas heat capacity (J/mol×K).
- ΔfG° : Standard Gibbs free energy of formation (kJ/mol).
- ΔfH°gas : Enthalpy of formation at standard conditions (kJ/mol).
- ΔfH°solid : Solid phase enthalpy of formation at standard conditions (kJ/mol).
- ΔfusH° : Enthalpy of fusion at standard conditions (kJ/mol).
- ΔvapH° : Enthalpy of vaporization at standard conditions (kJ/mol).
- log10WS : Log10 of Water solubility in mol/l.
- logPoct/wat : Octanol/Water partition coefficient.
- McVol : McGowan's characteristic volume (ml/mol).
- Pc : Critical Pressure (kPa).
- Tboil : Normal Boiling Point Temperature (K).
- Tc : Critical Temperature (K).
- Tfus : Normal melting (fusion) point (K).
- Vc : Critical Volume (m3/kmol).
- 1: Molecular weight from the IUPAC atomic weights tables.
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Physical Properties
| Property | Value | Unit | Source |
|---|---|---|---|
| ΔcH°solid | -3363.90 ± 0.60 | kJ/mol | NIST |
| ΔfG° | -436.49 | kJ/mol | Joback Calculated Property |
| ΔfH°gas | -513.90 | kJ/mol | Joback Calculated Property |
| ΔfH°solid | -559.60 ± 1.10 | kJ/mol | NIST |
| ΔfusH° | 25.61 | kJ/mol | Joback Calculated Property |
| ΔvapH° | 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] | 
|
| 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
Find more compounds similar to Aniline-o-sulfonic acid.
Sources
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