Back to Search
2,4-Dihydroxybenzoic Acid
CAS: 89-86-1 | C7H6O4
2D Structure
3D Structure
Loading 3D structure...
Basic Information
CAS Registry Number:
89-86-1
Molecular Formula:
C7H6O4
Molecular Weight:
154.12099999999998 g/mol
Names and Synonyms:
2,4-Dihydroxybenzoic Acid
Benzoic acid, 2,4-dihydroxy-
β-Resorcylic acid
2,4-Dihydroxybenzoic acid
4-Hydroxysalicylic acid
p-Hydroxysalicylic acid
4-Carboxyresorcinol
β-Resorcinolic acid
Coupler 320
NSC 13564
NSC 4740
Identifiers:
SMILES:
O=C(O)c1ccc(O)cc1O
InChI:
InChI=1S/C7H6O4/c8-4-1-2-5(7(10)11)6(9)3-4/h1-3,8-9H,(H,10,11)
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
| Category | Property | Value | Source |
|---|---|---|---|
| Physical Properties | molecular_mass | 154.12 g/mol | Legacy Database |
| wikipedia_url | https://en.wikipedia.org/wiki/2,4-Dihydroxybenzoic_acid | Legacy Database | |
| cas-canonical-smile | O=C(O)C1=CC=C(O)C=C1O | Legacy Database | |
| cas-inchi | InChI=1S/C7H6O4/c8-4-1-2-5(7(10)11)6(9)3-4/h1-3,8-9H,(H,10,11) | Legacy Database | |
| cas-inchi-key | InChIKey=UIAFKZKHHVMJGS-UHFFFAOYSA-N | Legacy Database | |
| cas-melting-point | 226 °C (decomp) | Legacy Database | |
| cas-name | 2,4-Dihydroxybenzoic acid | Legacy Database | |
| wikipedia-name | 2,4-Dihydroxybenzoic acid | Legacy Database | |
| LogP | 0.7959999999999998 | RDKit | |
| Molecular | Molecular Weight | 154.12099999999998 g/mol | RDKit |
| Exact | Exact Molecular Weight | 154.026608672 g/mol | RDKit |
| Heavy | Heavy Atom Count | 11 count | RDKit |
| Hydrogen | Hydrogen Bond Acceptors | 3 count | RDKit |
| Hydrogen Bond Donors | 3 count | RDKit | |
| Rotatable | Rotatable Bonds | 1 count | RDKit |
| Aromatic | Aromatic Ring Count | 1 count | RDKit |
| Topological | Topological Polar Surface Area | 77.76 Ų | RDKit |
| Molar | Molar Refractivity | 36.730900000000005 | RDKit |
