1H-Benzimidazole-1-ethanamine

Also known as: 1-(2-Aminoethyl)benzimidazole, 2-(1-benzimidazolyl)ethanamine, 2-(1H-Benzimidazol-1-yl)ethanamine, 2-(benzimidazol-1-yl)ethanamine, 2-Benzimidazol-1-ylethylamine, 2-benzoimidazol-1-yl-ethylamine

1H-Benzimidazole-1-ethanamine (CAS 55661-34-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H11N3 and a molecular weight of 161.20400 g/mol. Key properties include a boiling point of 323.8ºC at 760mmHg, a density of 1.21g/cm3 and a flash point of 149.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 55661-34-2
Jingsj CID: J-1459638-4
Molecular Formula: C₉H₁₁N₃
Molecular Weight: 161.20400 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	323.8ºC at 760mmHg
Density	1.21g/cm3
Flash Point	149.6ºC
Exact Mass	161.09500
PSA	43.84000
LogP	1.69530
Refractive Index	1.641

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 1H-Benzimidazole-1-ethanamine?

The CAS number of 1H-Benzimidazole-1-ethanamine is 55661-34-2.

What are the molecular formula and molecular weight of 1H-Benzimidazole-1-ethanamine?

1H-Benzimidazole-1-ethanamine has molecular formula C9H11N3 and molecular weight 161.20400 g/mol.

What are the upstream and downstream products of 1H-Benzimidazole-1-ethanamine?

For 1H-Benzimidazole-1-ethanamine, Upstream Products: N1-(2-Nitrophenyl)-1,2-ethanediamine, tert-butyl N-[2-(2-nitroanilino)ethyl]carbamate, Benzimidazole.

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. "1H-Benzimidazole-1-ethanamine (CAS 55661-34-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1459638-4 (accessed 2026-11-09).

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