Isonicotinic acid
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| Isonicotinic acid | |
|---|---|
 |
|
| General | |
| Systematic name | ? |
| Other names | Pyridine-4-carboxylic Acid; 4-Pyridinecarboxylic acid;
p-Pyridinecarboxylic Acid; 4-Picolinic acid; |
| Molecular formula | C6H5NO2 |
| SMILES | OC(=O)c1ccncc1 |
| Molar mass | 123.11 g/mol |
| Appearance | White to off-white crystalline solid |
| CAS number | [55-22-1] |
| Properties | |
| Density and phase | Solid |
| Solubility in water | ? g/100 ml (?°C) |
| Melting point | 310 °C decomposes |
| Acidity (pKa) | ? |
| Basicity (pKb) | ? |
| Structure | |
| Crystal structure | ? |
| Dipole moment | ? D |
| Hazards | |
| MSDS | External MSDS |
| Main hazards | ? |
| NFPA 704 |
0
1
0
|
| Flash point | ?°C |
| R/S statement | R: ? S: ? |
| RTECS number | ? |
| Supplementary data page | |
| Structure and properties |
n, εr, etc. |
| Thermodynamic data |
Phase behaviour Solid, liquid, gas |
| Spectral data | UV, IR, NMR, MS |
| Related compounds | |
| Related compounds | nicotinic acid, pyridine |
| Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) Infobox disclaimer and references |
|
Isonicotinic acid is an organic compound with a carboxyl group on a pyridine ring. It is an isomer of nicotinic acid — the carboxyl group for isonicotinic acid is on the 4-position instead of the 3-position for nicotinic acid.
[edit] Derivatives
Isonicotinic acids is a term loosely used for derivatives of isonicotinic acid. Examples include:
