Imidazole-2-carboxylic acid
Imidazole-2-carboxylic acid (CAS: 16042-25-4, C4H4N2O2) is a heterocyclic organic compound with a molecular weight of 112.09 g/mol. This white to off-white solid serves as a valuable building block in organic synthesis, particularly for the creation of more complex molecules. Its structural features make it useful in various chemical research and development applications, contributing to the advancement of chemical sciences.
- IUPAC
- 1H-Imidazole-2-carboxylic acid
- Synonyms
- 1H-Imidazole-2-carboxylic acid

Organic Synthesis Intermediate
Imidazole-2-carboxylic acid is a key intermediate for synthesizing diverse organic compounds. It is employed in multi-step synthesis routes for novel pharmaceuticals and agrochemicals.
Heterocyclic Chemistry Research
As a substituted imidazole, it is used in academic and industrial research for exploring new heterocyclic scaffolds. These structures are prevalent in medicinal chemistry and materials science.
Ligand Development
The nitrogen atoms and carboxylic acid group can coordinate with metal ions, making it a potential precursor for ligand design in coordination chemistry and catalysis.
| Molecular weight | 112.09 |
|---|---|
| Empirical formula | C4H4N2O2 |
| Melting point | 156 °C(lit.) |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Water hazard class (WGK, DE) | 3 |
|---|---|
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Imidazole-2-carboxylic acid used for?
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Imidazole-2-carboxylic acid is primarily used as a building block in organic synthesis and in research for developing novel heterocyclic compounds and ligands.
What are the CAS number and molecular formula for Imidazole-2-carboxylic acid?
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The CAS number is 16042-25-4, and the molecular formula is C4H4N2O2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Imidazole-2-carboxylic acid typically as a research or technical grade chemical. We do not represent this product as meeting USP, BP, or EP pharmacopoeial standards unless explicitly stated in the product specifications.
What are the safety precautions for handling Imidazole-2-carboxylic acid?
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Handle with care. Imidazole-2-carboxylic acid can cause skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335). Ensure adequate ventilation and wear appropriate personal protective equipment, including gloves and eye protection. Avoid breathing dust.
Is Imidazole-2-carboxylic acid a controlled substance?
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Based on the provided data, Imidazole-2-carboxylic acid (CAS: 16042-25-4) is not listed as a controlled substance.
How is Imidazole-2-carboxylic acid shipped and exported?
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Tech Serve Solutions is a global supplier and exporter of fine chemicals, including Imidazole-2-carboxylic acid, adhering to international shipping regulations for chemical products.
How can I request a quote or sample for Imidazole-2-carboxylic acid?
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Please contact our sales department through the website or by phone to request a quote or to arrange for a sample of Imidazole-2-carboxylic acid.
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