Back to Search
Molecule
2,3-Dihydroxybenzoic Acid
CAS: 303-38-8 · C7H6O4
2D Structure
3D Structure
Loading 3D structure...
Basic Information
- CAS Registry Number
- 303-38-8
- Molecular Formula
- C7H6O4
- Molecular Mass
- 154.12 g/mol
Identifiers
CAS Registry Number
303-38-8
SMILES
O=C(O)c1cccc(O)c1O
InChI Key
GLDQAMYCGOIJDV-UHFFFAOYSA-N
InChI
InChI=1S/C7H6O4/c8-5-3-1-2-4(6(5)9)7(10)11/h1-3,8-9H,(H,10,11)
Names and Synonyms
- 2,3-Dihydroxybenzoic Acid Synonym
- Benzoic acid, 2,3-dihydroxy- Synonym
- o-Pyrocatechuic acid Synonym
- 2,3-Dihydroxybenzoic acid Synonym
- Catecholcarboxylic acid Synonym
- 3-Hydroxysalicylic acid Synonym
- Pyrocatechuic acid Synonym
- NSC 27435 Synonym
- 1,2-Dihydroxybenzene-3-carboxylic acid Synonym
All Properties
Comprehensive physical and chemical properties
| Property | Value | Source |
|---|---|---|
| Molecular Mass | 154.12 g/mol | CAS Common Chemistry |
| 154.12099999999998 g/mol | RDKit | |
| 154.121 g/mol | RDKit | |
| Wikipedia Url | https://en.wikipedia.org/wiki/2,3-Dihydroxybenzoic_acid | CAS Common Chemistry |
| Canonical SMILES | O=C(O)C=1C=CC=C(O)C1O | CAS Common Chemistry |
| InChI | InChI=1S/C7H6O4/c8-5-3-1-2-4(6(5)9)7(10)11/h1-3,8-9H,(H,10,11) | CAS Common Chemistry |
| InChI Key | InChIKey=GLDQAMYCGOIJDV-UHFFFAOYSA-N | CAS Common Chemistry |
| Melting Point | 204 °C | CAS Common Chemistry |
| Name | 2,3-Dihydroxybenzoic acid | CAS Common Chemistry |
| Heavy Atom Count | 11 | RDKit |
| Hydrogen Bond Acceptors | 3 | RDKit |
| Hydrogen Bond Donors | 3 | RDKit |
| Rotatable Bonds | 1 | RDKit |
| Aromatic Ring Count | 1 | RDKit |
| Topological Polar Surface Area | 77.76 Ų | RDKit |
| LogP | 0.7959999999999998 | RDKit |
| 0.796 | RDKit | |
| Molar Refractivity | 36.730900000000005 cm³/mol | RDKit |
| Ring Count | 1 | RDKit |
| Formal Charge | 0 | RDKit |
| Fraction Csp3 | 0.0 | RDKit |
| Exact Mass | 154.026608672 g/mol | RDKit |
Spectral Data
NMR, IR, and Mass spectral data
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.
External Resources
Convert
Quick conversion
MW = 154.12 g/mol. Edit any field — others recompute live.
Related
Related molecules
Other compounds with formula C7H6O4.
