N-phenyl-1H-benzimidazol-2-amine

Also known as: 1H-Benzimidazol-2-amine, N-phenyl-, 2-Anilinobenzimidazole, 2-Phenylaminobenzimidazole, (1H-Benzimidazol-2-yl)-phenyl-amine, benzimidazol-2-ylphenylamine

N-phenyl-1H-benzimidazol-2-amine (CAS 21578-58-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C13H11N3 and a molecular weight of 209.24700 g/mol. Key properties include a boiling point of 411.5ºC at 760mmHg, a density of 1.298g/cm3 and a flash point of 202.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 21578-58-5
Jingsj CID: J-1052937-0
Molecular Formula: C₁₃H₁₁N₃
Molecular Weight: 209.24700 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	411.5ºC at 760mmHg
Density	1.298g/cm3
Flash Point	202.7ºC
Exact Mass	209.09500
PSA	40.71000
LogP	3.37950
Vapor Pressure	5.56E-07mmHg at 25°C
Refractive Index	1.755

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 N-phenyl-1H-benzimidazol-2-amine?

The CAS number of N-phenyl-1H-benzimidazol-2-amine is 21578-58-5.

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

N-phenyl-1H-benzimidazol-2-amine has molecular formula C13H11N3 and molecular weight 209.24700 g/mol.

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

For N-phenyl-1H-benzimidazol-2-amine, Upstream Products: 1-(2-aminophenyl)-3-phenylthiourea, 2-Chlorobenzimidazole, Phenyl isothiocyanate.

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. "N-phenyl-1H-benzimidazol-2-amine (CAS 21578-58-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1052937-0 (accessed 2026-11-09).

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