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Molecule
4-Fluorobenzoic Acid
CAS: 456-22-4 · C7H5FO2
2D Structure
3D Structure
Loading 3D structure...
Basic Information
- CAS Registry Number
- 456-22-4
- Molecular Formula
- C7H5FO2
- Molecular Mass
- 140.11 g/mol
Identifiers
CAS Registry Number
456-22-4
SMILES
O=C(O)c1ccc(F)cc1
InChI Key
BBYDXOIZLAWGSL-UHFFFAOYSA-N
InChI
InChI=1S/C7H5FO2/c8-6-3-1-5(2-4-6)7(9)10/h1-4H,(H,9,10)
Names and Synonyms
- 4-Fluorobenzoic Acid Systematic Name
- Benzoic acid, 4-fluoro- Synonym
- Benzoic acid, p-fluoro- Synonym
- 4-Fluorobenzoic acid Synonym
- p-Fluorobenzoic acid Synonym
- NSC 10321 Synonym
All Properties
Comprehensive physical and chemical properties
| Property | Value | Source |
|---|---|---|
| Molecular Mass | 140.11 g/mol | CAS Common Chemistry |
| 140.113 g/mol | RDKit | |
| Wikipedia Url | https://en.wikipedia.org/wiki/4-Fluorobenzoic_acid | CAS Common Chemistry |
| Boiling Point | 117 °C | CAS Common Chemistry |
| Canonical SMILES | O=C(O)C1=CC=C(F)C=C1 | CAS Common Chemistry |
| InChI | InChI=1S/C7H5FO2/c8-6-3-1-5(2-4-6)7(9)10/h1-4H,(H,9,10) | CAS Common Chemistry |
| InChI Key | InChIKey=BBYDXOIZLAWGSL-UHFFFAOYSA-N | CAS Common Chemistry |
| Melting Point | 185 °C | CAS Common Chemistry |
| Name | 4-Fluorobenzoic acid | CAS Common Chemistry |
| Heavy Atom Count | 10 | RDKit |
| Hydrogen Bond Acceptors | 1 | RDKit |
| Hydrogen Bond Donors | 1 | RDKit |
| Rotatable Bonds | 1 | RDKit |
| Aromatic Ring Count | 1 | RDKit |
| Topological Polar Surface Area | 37.3 Ų | RDKit |
| LogP | 1.5239 | RDKit |
| Molar Refractivity | 33.359300000000005 cm³/mol | RDKit |
| Ring Count | 1 | RDKit |
| Formal Charge | 0 | RDKit |
| Fraction Csp3 | 0.0 | RDKit |
| Exact Mass | 140.02735762 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
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MW = 140.11 g/mol. Edit any field — others recompute live.
Related
Related molecules
Other compounds with formula C7H5FO2.
