1-Ethyl-1,3-dihydro-2H-benzimidazol-2-one
Also known as: 1-Ethyl-2-benzimidazolinone, 1-Ethyl-1H-benzimidazole-2(3H)-one, 1-Ethyl-1H-benzo[d]imidazol-2(3H)-one, 1-Ethyl-2,3-dihydro-1H-benzimidazole-2-one, 1-ethyl-1,3-dihydro-2H-benzimidazol-2-one, 2H-Benzimidazol-2-one, 1-ethyl-1,3-dihydro-, EBIO, 1-EBIO
1-Ethyl-1,3-dihydro-2H-benzimidazol-2-one (CAS 10045-45-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H10N2O and a molecular weight of 162.189 g/mol. Key properties include a melting point of 122 ºC and a density of 1.161±0.06 g/cm3. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 10045-45-1
- Jingsj CID
- J-30963-7
- Molecular Formula
- C9H10N2O
- Molecular Weight
- 162.189 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 122 ºC |
|---|---|
| Density | 1.161±0.06 g/cm3 |
| Exact Mass | 162.079315 |
| PSA | 37.79000 |
| LogP | 1.39 |
| Appearance | powder |
| Refractive Index | 1.566 |
| Storage Conditions | Store at RT |
| Additional Property | Slightly soluble (1.6 g/L) (25 ºC) |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H319 — Causes serious eye irritation
Activity & Biological Data
| Additional Information | [1]. Devor DC, et al. Modulation of Cl- secretion by benzimidazolones. I. Direct activation of a Ca(2+)-dependent K+ channel. Am J Physiol. 1996 Nov;271(5 Pt 1):L775-84. |
|---|
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 1-Ethyl-1,3-dihydro-2H-benzimidazol-2-one?
The CAS number of 1-Ethyl-1,3-dihydro-2H-benzimidazol-2-one is 10045-45-1.
What are the molecular formula and molecular weight of 1-Ethyl-1,3-dihydro-2H-benzimidazol-2-one?
1-Ethyl-1,3-dihydro-2H-benzimidazol-2-one has molecular formula C9H10N2O and molecular weight 162.189 g/mol.
Is 1-Ethyl-1,3-dihydro-2H-benzimidazol-2-one hazardous?
1-Ethyl-1,3-dihydro-2H-benzimidazol-2-one has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H319 — Causes serious eye irritation.
What are the upstream and downstream products of 1-Ethyl-1,3-dihydro-2H-benzimidazol-2-one?
For 1-Ethyl-1,3-dihydro-2H-benzimidazol-2-one, Upstream Products: N1-Ethylbenzene-1,2-diamine, 1,1'-Carbonyldiimidazole, N-ethyl-2-nitroaniline.
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-Ethyl-1,3-dihydro-2H-benzimidazol-2-one (CAS 10045-45-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-30963-7 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.