1H-Imidazole-4-carboxylic acid
- CAS NO.：1072-84-0
- Empirical Formula: C4H4N2O2
- Molecular Weight: 112.09
- MDL number: MFCD00082203
- EINECS: 214-017-8
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-07-07 16:53:29
What is 1H-Imidazole-4-carboxylic acid?
Chemical properties
Gray or tan powder
The Uses of 1H-Imidazole-4-carboxylic acid
4-Imidazolecarboxylic acid (ICA) was used in the synthesis of triphenymethyl-protected 4-imidazole carboxylic acid (trityl-ImCOOH) which is employed to functionalize poly(propylene imine) dendrimers.
It may be used in the following studies:
- In the synthesis of lanthanide sulfate–carboxylates, [Ln(HIMC)(SO4)(H2O)] (Ln = Dy and Eu, HIMC = 4-imidazolecarboxylic acid) by in situ decarboxylation in the presence of Cu(II) ions.
- As an internal standard to obtain calibration curve by plotting the peak area ratios of histamine (HA) and several metabolites isolated from C3H/HeNCrj mice hair relative to ICA.
- In the synthesis of tetranuclear manganese carboxylate complexes possessing imidazole-based N/O chelating ligands.
What are the applications of Application
4-Imidazolecarboxylic acid is 4-Imidazolecarboxylic acid is used in the synthesis of imidazole functionalized poly(propylene imine) dendrimers.
General Description
4-Imidazolecarboxylic acid (1H-imidazole-4-carboxylic acid, H2imc) is an imidazole derivative that contains an imidazole group and a carboxylate group. It has been widely utilized to generate different types of coordination polymers. The anion of 4-imidazolecarboxylic acid has been reported to stabilize binuclear hydroxo complexes of trivalent lanthanides in the pH range 7-10.
Properties of 1H-Imidazole-4-carboxylic acid
| Melting point: | 294-295 °C (lit.) |
| Boiling point: | 495.0±18.0 °C(Predicted) |
| Density | 1.524±0.06 g/cm3(Predicted) |
| storage temp. | Keep in dark place,Sealed in dry,Room Temperature |
| solubility | Aqueous Acid (sparingly) |
| form | Liquid |
| pka | 2.69±0.10(Predicted) |
| color | Clear colorless |
| InChI | InChI=1S/C4H4N2O2/c7-4(8)3-1-5-2-6-3/h1-2H,(H,5,6)(H,7,8) |
| CAS DataBase Reference | 1072-84-0(CAS DataBase Reference) |
Safety information for 1H-Imidazole-4-carboxylic acid
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P271:Use only outdoors or in a well-ventilated area. P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for 1H-Imidazole-4-carboxylic acid
| InChIKey | NKWCGTOZTHZDHB-UHFFFAOYSA-N |
| SMILES | C1NC(C(O)=O)=CN=1 |
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