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Naphthalene-2-Sulfonic Acid
CAS: 120-18-3 | C10H8O3S
2D Structure
3D Structure
Loading 3D structure...
Basic Information
CAS Registry Number:
120-18-3
Molecular Formula:
C10H8O3S
Molecular Mass:
208.24 g/mol
Names and Synonyms:
Naphthalene-2-Sulfonic Acid
2-Naphthalenesulfonic acid
β-Naphthalenesulfonic acid
β-Naphthylsulfonic acid
2-Naphthylsulfonic acid
2-Sulfonaphthalene
Dirinal NSK
Identifiers:
SMILES:
O=S(=O)(O)c1ccc2ccccc2c1
InChI:
InChI=1S/C10H8O3S/c11-14(12,13)10-6-5-8-3-1-2-4-9(8)7-10/h1-7H,(H,11,12,13)
Key Properties
Melting Point
91 °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 | 208.24 g/mol | CAS Common Chemistry |
| 208.238 g/mol | RDKit | |
| 208.019415116 g/mol | RDKit | |
| Wikipedia Url | https://en.wikipedia.org/wiki/Naphthalene-2-sulfonic_acid | CAS Common Chemistry |
| Canonical SMILES | O=S(=O)(O)C=1C=CC=2C=CC=CC2C1 | CAS Common Chemistry |
| InChI | InChI=1S/C10H8O3S/c11-14(12,13)10-6-5-8-3-1-2-4-9(8)7-10/h1-7H,(H,11,12,13) | CAS Common Chemistry |
| InChI Key | InChIKey=KVBGVZZKJNLNJU-UHFFFAOYSA-N | CAS Common Chemistry |
| Melting Point | 91 °C | CAS Common Chemistry |
| Name | 2-Naphthalenesulfonic acid | CAS Common Chemistry |
| Naphthalene-2-sulfonic acid | CAS Common Chemistry | |
| Heavy Atom Count | 14 | RDKit |
| Hydrogen Bond Acceptors | 2 | RDKit |
| Hydrogen Bond Donors | 1 | RDKit |
| Rotatable Bonds | 1 | RDKit |
| Aromatic Ring Count | 2 | RDKit |
| Topological Polar Surface Area | 54.370000000000005 Ų | RDKit |
| LogP | 2.0865 | RDKit |
| Molar Refractivity | 53.76260000000002 | RDKit |
