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Metanilic Acid
CAS: 121-47-1 | C6H7NO3S
2D Structure
3D Structure
Loading 3D structure...
Basic Information
CAS Registry Number:
121-47-1
Molecular Formula:
C6H7NO3S
Molecular Mass:
173.19 g/mol
Names and Synonyms:
Metanilic Acid
Benzenesulfonic acid, 3-amino-
Metanilic acid
3-Aminobenzenesulfonic acid
m-Anilinesulfonic acid
m-Sulfanilic acid
3-Anilinesulfonic acid
m-Aminophenylsulfonic acid
3-Sulfoaniline
3-Aminophenylsulfonic acid
m-Aminobenzenesulfonic acid
m-Aminobenzenesulfonic acid
NSC 4504
3-Azaniumylbenzenesulfonate
3-Aminobenzene-1-sulfonic acid
Identifiers:
SMILES:
Nc1cccc(S(=O)(=O)O)c1
InChI:
InChI=1S/C6H7NO3S/c7-5-2-1-3-6(4-5)11(8,9)10/h1-4H,7H2,(H,8,9,10)
Key Properties
Melting Point
142-143 °C
CAS Common Chemistry
Spectral Data
NMR, IR, and Mass spectral data
1H NMR
13C NMR
Predicting NMR spectra...
10 ppm
9
8
7
6
5
4
3
2
1
0 ppm
| Shift (ppm) | Multiplicity | Integration | Assignment |
|---|
200 ppm
180
160
140
120
100
80
60
40
20
0 ppm
| Shift (ppm) | DEPT | Assignment |
|---|
Note: These NMR spectra are predicted computationally and may differ from experimental data. Predictions are based on chemical environment analysis.
All Properties
Comprehensive physical and chemical properties
| Property | Value | Source |
|---|---|---|
| Molecular Mass | 173.19 g/mol | CAS Common Chemistry |
| 173.193 g/mol | RDKit | |
| 173.014664084 g/mol | RDKit | |
| Wikipedia Url | https://en.wikipedia.org/wiki/Metanilic_acid | CAS Common Chemistry |
| Canonical SMILES | O=S(=O)(O)C=1C=CC=C(N)C1 | CAS Common Chemistry |
| InChI | InChI=1S/C6H7NO3S/c7-5-2-1-3-6(4-5)11(8,9)10/h1-4H,7H2,(H,8,9,10) | CAS Common Chemistry |
| InChI Key | InChIKey=ZAJAQTYSTDTMCU-UHFFFAOYSA-N | CAS Common Chemistry |
| Melting Point | 142-143 °C | CAS Common Chemistry |
| Name | 3-Aminobenzenesulfonic acid | CAS Common Chemistry |
| Metanilic acid | CAS Common Chemistry | |
| Heavy Atom Count | 11 | RDKit |
| Hydrogen Bond Acceptors | 3 | RDKit |
| Hydrogen Bond Donors | 2 | RDKit |
| Rotatable Bonds | 1 | RDKit |
| Aromatic Ring Count | 1 | RDKit |
| Topological Polar Surface Area | 80.39 Ų | RDKit |
| LogP | 0.5155000000000001 | RDKit |
| Molar Refractivity | 40.669000000000004 | RDKit |
