1-butyl-1H-benzimidazol-2-amine

Also known as: 1H-Benzimidazol-2-amine, 1-butyl-(9CI), 1-butylbenzimidazol-2-amine, 2-Amino-1-butylbenzimidazole, 2-Amino-1-butyl-benzimidazol, 1-butyl-2-aminobenzimidazole, 1-Butyl-1H-benzoimidazol-2-ylamine

1-butyl-1H-benzimidazol-2-amine (CAS 91337-45-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H15N3 and a molecular weight of 189.25700 g/mol. Key properties include a boiling point of 360.6ºC at 760 mmHg, a density of 1.15g/cm3 and a flash point of 171.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 91337-45-0
Jingsj CID: J-1084124-4
Molecular Formula: C₁₁H₁₅N₃
Molecular Weight: 189.25700 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	360.6ºC at 760 mmHg
Density	1.15g/cm3
Flash Point	171.9ºC
Exact Mass	189.12700
PSA	43.84000
LogP	2.99980
Refractive Index	1.61

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-butyl-1H-benzimidazol-2-amine?

The CAS number of 1-butyl-1H-benzimidazol-2-amine is 91337-45-0.

What are the molecular formula and molecular weight of 1-butyl-1H-benzimidazol-2-amine?

1-butyl-1H-benzimidazol-2-amine has molecular formula C11H15N3 and molecular weight 189.25700 g/mol.

What are the upstream and downstream products of 1-butyl-1H-benzimidazol-2-amine?

For 1-butyl-1H-benzimidazol-2-amine, Upstream Products: 2-Aminobenzimidazole.

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. "1-butyl-1H-benzimidazol-2-amine (CAS 91337-45-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1084124-4 (accessed 2026-11-09).

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