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1-Naphthol-4-Sulfonic Acid
CAS: 84-87-7 | C10H8O4S
2D Structure
3D Structure
Loading 3D structure...
Basic Information
CAS Registry Number:
84-87-7
Molecular Formula:
C10H8O4S
Molecular Mass:
224.24 g/mol
Names and Synonyms:
1-Naphthol-4-Sulfonic Acid
1-Naphthalenesulfonic acid, 4-hydroxy-
4-Hydroxy-1-naphthalenesulfonic acid
α-Naphthol-4-sulfonic acid
1-Naphthol-4-sulfonic acid
Nevile and Winther's acid
1,4-Oxy Acid
1-Hydroxy-4-naphthalenesulfonic acid
NW Acid
NSC 9587
1-Hydroxy-naphthalene-4-sulphonic acid
Identifiers:
SMILES:
O=S(=O)(O)c1ccc(O)c2ccccc12
InChI:
InChI=1S/C10H8O4S/c11-9-5-6-10(15(12,13)14)8-4-2-1-3-7(8)9/h1-6,11H,(H,12,13,14)
Key Properties
Melting Point
170 °C (decomp)
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 | 224.24 g/mol | CAS Common Chemistry |
| 224.237 g/mol | RDKit | |
| 224.014329736 g/mol | RDKit | |
| Canonical SMILES | O=S(=O)(O)C1=CC=C(O)C=2C=CC=CC21 | CAS Common Chemistry |
| InChI | InChI=1S/C10H8O4S/c11-9-5-6-10(15(12,13)14)8-4-2-1-3-7(8)9/h1-6,11H,(H,12,13,14) | CAS Common Chemistry |
| InChI Key | InChIKey=HGWQOFDAUWCQDA-UHFFFAOYSA-N | CAS Common Chemistry |
| Melting Point | 170 °C (decomp) | CAS Common Chemistry |
| Name | 1-Naphthol-4-sulfonic acid | CAS Common Chemistry |
| Heavy Atom Count | 15 | RDKit |
| Hydrogen Bond Acceptors | 3 | RDKit |
| Hydrogen Bond Donors | 2 | RDKit |
| Rotatable Bonds | 1 | RDKit |
| Aromatic Ring Count | 2 | RDKit |
| Topological Polar Surface Area | 74.60000000000001 Ų | RDKit |
| LogP | 1.7921 | RDKit |
| Molar Refractivity | 55.42740000000002 | RDKit |
