2-Amino-1H-benzo[d]imidazol-5-ol

2-氨基-1H-苯并[d]咪唑-5-醇

Also known as: 1H-Benzimidazol-5-ol, 2-amino-(9CI), 1H-Benzimidazol-6-ol, 2-amino-, 2-Amino-5-hydroxybenzimidazole, 5-Hydroxy-2-aminobenzimidazole, Albendazole Impurity 16, 2-Amino-3H-benzimidazol-5-ol

2-Amino-1H-benzo[d]imidazol-5-ol (CAS 51276-85-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H7N3O and a molecular weight of 149.150 g/mol. It is also known as 1H-Benzimidazol-5-ol, 2-amino-(9CI), 1H-Benzimidazol-6-ol, 2-amino- and 2-Amino-5-hydroxybenzimidazole. Key properties include a boiling point of 469.0±37.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 237.4±26.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
51276-85-8
Jingsj CID
J-1327827-0
Molecular Formula
C7H7N3O
Chinese Name
2-氨基-1H-苯并[d]咪唑-5-醇
Molecular Weight
149.150 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point469.0±37.0 °C at 760 mmHg
Density1.6±0.1 g/cm3
Flash Point237.4±26.5 °C

Frequently Asked Questions

What is the CAS number of 2-Amino-1H-benzo[d]imidazol-5-ol?

The CAS number of 2-Amino-1H-benzo[d]imidazol-5-ol is 51276-85-8.

What are the molecular formula and molecular weight of 2-Amino-1H-benzo[d]imidazol-5-ol?

2-Amino-1H-benzo[d]imidazol-5-ol has molecular formula C7H7N3O and molecular weight 149.150 g/mol.

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

Last updated:

How to cite: Jingsj. "2-Amino-1H-benzo[d]imidazol-5-ol (CAS 51276-85-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1327827-0 (accessed 2026-10-25).

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