1H-Benzimidazole-1,2-diamine

1H-苯并咪唑-1,2-二胺

Also known as: benzimidazole-1,2-diamine, 1h-1,3-benzodiazole-1,2-diamine, 1h-benzo[d]imidazol-1,2-diamine, 1h-benzo[d]imidazole-1,2-diamine, 1h-benzimidazole-1,2-diamine(9ci), 1,2-diaminobenzimidazole

1H-Benzimidazole-1,2-diamine (CAS 29540-87-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H8N4 and a molecular weight of 148.16500 g/mol. It is also known as benzimidazole-1,2-diamine, 1h-1,3-benzodiazole-1,2-diamine and 1h-benzo[d]imidazol-1,2-diamine. Key properties include a boiling point of 407.6ºC at 760mmHg, a density of 1.52g/cm3 and a flash point of 200.3ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
29540-87-2
Jingsj CID
J-1502300-1
Molecular Formula
C7H8N4
Chinese Name
1H-苯并咪唑-1,2-二胺
Molecular Weight
148.16500 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point407.6ºC at 760mmHg
Density1.52g/cm3
Flash Point200.3ºC

Frequently Asked Questions

What is the CAS number of 1H-Benzimidazole-1,2-diamine?

The CAS number of 1H-Benzimidazole-1,2-diamine is 29540-87-2.

What are the molecular formula and molecular weight of 1H-Benzimidazole-1,2-diamine?

1H-Benzimidazole-1,2-diamine has molecular formula C7H8N4 and molecular weight 148.16500 g/mol.

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

Last updated:

How to cite: Jingsj. "1H-Benzimidazole-1,2-diamine (CAS 29540-87-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1502300-1 (accessed 2026-10-25).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.