1-Methyl-1H-imidazole-5-carboxylic acid
Also known as: 1-Methylimidazole-5-carboxylic acid, 1-Methyl-5-imidazolecarboxylic acid, 3-Methylimidazole-4-carboxylic acid, 3-Methyl-3H-imidazole-4-carboxylic acid, MFCD00955677
1-Methyl-1H-imidazole-5-carboxylic acid (CAS 41806-40-0) 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 247 °C, a boiling point of 399.1±15.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 195.1±20.4 °C. It is classified under GHS with signal word Warning and hazard statements H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 41806-40-0
- Jingsj CID
- J-39546-0
- 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 | 247 °C |
|---|---|
| Boiling Point | 399.1±15.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 195.1±20.4 °C |
| Exact Mass | 126.042931 |
| PSA | 55.12000 |
| LogP | 0.41 |
| Vapor Pressure | 0.0±1.0 mmHg at 25°C |
| Refractive Index | 1.591 |
| Storage Conditions | 2-8°C |
GHS Safety & Compliance
- H319 — Causes serious eye 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-5-carboxylic acid?
The CAS number of 1-Methyl-1H-imidazole-5-carboxylic acid is 41806-40-0.
What are the molecular formula and molecular weight of 1-Methyl-1H-imidazole-5-carboxylic acid?
1-Methyl-1H-imidazole-5-carboxylic acid has molecular formula C5H6N2O2 and molecular weight 126.113 g/mol.
Is 1-Methyl-1H-imidazole-5-carboxylic acid hazardous?
1-Methyl-1H-imidazole-5-carboxylic acid has GHS signal word Warning and hazard statements H319 — Causes serious eye irritation.
What are the upstream and downstream products of 1-Methyl-1H-imidazole-5-carboxylic acid?
For 1-Methyl-1H-imidazole-5-carboxylic acid, Upstream Products: Methyl 1-methyl-1H-imidazole-5-carboxylate, Ethyl 1-Methylimidazole-5-carboxylate, 1-Methyl-1H-imidazole-4,5-dicarboxylic acid; Downstream Products: (1-Methyl-1H-imidazol-5-yl)methanol, 1-Methyl-1H-imidazole-5-carbaldehyde, Methyl 2-bromo-1-methyl-1H-imidazole-5-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. "1-Methyl-1H-imidazole-5-carboxylic acid (CAS 41806-40-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-39546-0 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.