2-Acetylbenzimidazole

Also known as: 1-(1H-Benzo[d]imidazol-2-yl)ethanone, 1-(1H-Benzimidazol-2-yl)ethanone, Ethanone, 1-(1H-benzimidazol-2-yl)-, 1-(1H-1,3-Benzimidazol-2-yl)-1-ethanone, 1-(1H-Benzoimidazol-2-yl)-ethanone, MFCD00159994

2-Acetylbenzimidazole (CAS 939-70-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H8N2O and a molecular weight of 160.17300 g/mol. Key properties include a melting point of 238-240, a boiling point of 347.4ºC at 760mmHg, a density of 1.264g/cm3 and a flash point of 168ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 939-70-8
Jingsj CID: J-23685-1
Molecular Formula: C₉H₈N₂O
Molecular Weight: 160.17300 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	238-240
Boiling Point	347.4ºC at 760mmHg
Density	1.264g/cm3
Flash Point	168ºC
Exact Mass	160.06400
PSA	45.75000
LogP	1.76550
Refractive Index	1.658

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-Acetylbenzimidazole?

The CAS number of 2-Acetylbenzimidazole is 939-70-8.

What are the molecular formula and molecular weight of 2-Acetylbenzimidazole?

2-Acetylbenzimidazole has molecular formula C9H8N2O and molecular weight 160.17300 g/mol.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "2-Acetylbenzimidazole (CAS 939-70-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-23685-1 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.