2-Ethynyl-1-methyl-1H-benzimidazole
Also known as: 1H-Benzimidazole, 2-ethynyl-1-methyl-, 1-Methyl-2-ethynylbenzimidazole, 2-Ethynyl-1-methyl-1H-benzo[d]imidazole, 2-Ethynyl-1-methylbenzimidazole, 2-Ethynyl-1-methyl-1H-1,3-benzodiazole, 2-ethynyl-1-methyl-1H-benzoimidazole, 2-acetylene-N-methylbenzimidazole
2-Ethynyl-1-methyl-1H-benzimidazole (CAS 32545-01-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H8N2 and a molecular weight of 156.184 g/mol. Key properties include a boiling point of 305.1±25.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 138.3±23.2 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 32545-01-0
- Jingsj CID
- J-1356252-2
- Molecular Formula
- C10H8N2
- Molecular Weight
- 156.184 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 305.1±25.0 °C at 760 mmHg |
|---|---|
| Density | 1.0±0.1 g/cm3 |
| Flash Point | 138.3±23.2 °C |
| Exact Mass | 156.068741 |
| PSA | 17.82000 |
| LogP | 2.68 |
| Vapor Pressure | 0.0±0.6 mmHg at 25°C |
| Refractive Index | 1.583 |
Customs & Trade Information
| HS Code | 2933990090 |
|---|---|
| Summary | 2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. 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 2-Ethynyl-1-methyl-1H-benzimidazole?
The CAS number of 2-Ethynyl-1-methyl-1H-benzimidazole is 32545-01-0.
What are the molecular formula and molecular weight of 2-Ethynyl-1-methyl-1H-benzimidazole?
2-Ethynyl-1-methyl-1H-benzimidazole has molecular formula C10H8N2 and molecular weight 156.184 g/mol.
What are the upstream and downstream products of 2-Ethynyl-1-methyl-1H-benzimidazole?
For 2-Ethynyl-1-methyl-1H-benzimidazole, Upstream Products: 2-Bromo-1H-benzimidazole.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2-Ethynyl-1-methyl-1H-benzimidazole (CAS 32545-01-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1356252-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.