1-Methyl-1H-imidazole-2-carboxylic acid
Also known as: 1-Methylimidazole-2-carboxylic acid, 1-Methyl-1H-2-imidazolecarboxylic acid, Imidazole-2-carboxylic acid, 1-methyl-, 1-Methyl-1H-imidazole-2-carboxylic acid, 1-Methyl-1H-imidazole-2-carboxylic acid (main), RARECHEM AL BE 0638, IFLAB-BB F2124-0530, CHEMBRDG-BB 4401397
1-Methyl-1H-imidazole-2-carboxylic acid (CAS 20485-43-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H6N2O2 and a molecular weight of 126.113 g/mol. Key properties include a melting point of 104 °C, a boiling point of 339.4±25.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 159.1±23.2 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 20485-43-2
- Jingsj CID
- J-1990789-2
- Molecular Formula
- C5H6N2O2
- Molecular Weight
- 126.113 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 104 °C |
|---|---|
| Boiling Point | 339.4±25.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 159.1±23.2 °C |
| Exact Mass | 126.042931 |
| PSA | 55.12000 |
| LogP | -0.47 |
| Vapor Pressure | 0.0±0.8 mmHg at 25°C |
| Refractive Index | 1.591 |
| Storage Conditions | -15℃ |
| Stability | Temperature Sensitive |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
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 1-Methyl-1H-imidazole-2-carboxylic acid?
The CAS number of 1-Methyl-1H-imidazole-2-carboxylic acid is 20485-43-2.
What are the molecular formula and molecular weight of 1-Methyl-1H-imidazole-2-carboxylic acid?
1-Methyl-1H-imidazole-2-carboxylic acid has molecular formula C5H6N2O2 and molecular weight 126.113 g/mol.
Is 1-Methyl-1H-imidazole-2-carboxylic acid hazardous?
1-Methyl-1H-imidazole-2-carboxylic acid has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1-Methyl-1H-imidazole-2-carboxylic acid (CAS 20485-43-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1990789-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.