1H-Imidazole-2-carboxylic acid
Also known as: Imidazole-2-carboxylic acid, 2-Imidazolecarboxylic acid, 2-Carboxy-1H-imidazole, 1H-Imidazole-2-carboxylic acid, 2-Imidazolecarboxylic acid hydrate
1H-Imidazole-2-carboxylic acid (CAS 16042-25-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C4H4N2O2 and a molecular weight of 112.087 g/mol. Key properties include a melting point of 198 °C, a boiling point of 407.9±28.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 200.5±24.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 16042-25-4
- Jingsj CID
- J-1526125-3
- Molecular Formula
- C4H4N2O2
- Molecular Weight
- 112.087 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 198 °C |
|---|---|
| Boiling Point | 407.9±28.0 °C at 760 mmHg |
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 200.5±24.0 °C |
| Exact Mass | 112.027275 |
| PSA | 65.98000 |
| LogP | -0.59 |
| Vapor Pressure | 0.0±1.0 mmHg at 25°C |
| Refractive Index | 1.617 |
Customs & Trade Information
| HS Code | 2933290090 |
|---|---|
| Summary | 2933290090. other compounds containing an unfused imidazole ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of 1H-Imidazole-2-carboxylic acid?
The CAS number of 1H-Imidazole-2-carboxylic acid is 16042-25-4.
What are the molecular formula and molecular weight of 1H-Imidazole-2-carboxylic acid?
1H-Imidazole-2-carboxylic acid has molecular formula C4H4N2O2 and molecular weight 112.087 g/mol.
What are the upstream and downstream products of 1H-Imidazole-2-carboxylic acid?
For 1H-Imidazole-2-carboxylic acid, Upstream Products: Ethyl 1H-imidazole-2-carboxylate, Ethyl 1H-imidazole-1-carboxylate, Carbon dioxide; Downstream Products: Imidazole, Carbon dioxide, Methyl 1H-imidazole-2-carboxylate.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1H-Imidazole-2-carboxylic acid (CAS 16042-25-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1526125-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.