1H-Benzimidazol-7-amine

Also known as: 4-Aminobenzimidazole, 1H-Benzimidazol-4-amine, 1H-Benzo[d]imidazol-7-amine, 1H-benzo[d]imidazol-4-amine, 7-Aminobenzimidazole, 4-Amino-1H-benzimidazole, 1H-1,3-benzodiazol-7-amine

1H-Benzimidazol-7-amine (CAS 4331-29-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H7N3 and a molecular weight of 133.151 g/mol. Key properties include a boiling point of 476.1±18.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 273.2±8.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 4331-29-7
Jingsj CID: J-1526120-8
Molecular Formula: C₇H₇N₃
Molecular Weight: 133.151 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

Request MSDS / TDS

No offers for this compound yet.

Request a quote

Physicochemical Properties

Boiling Point	476.1±18.0 °C at 760 mmHg
Density	1.4±0.1 g/cm3
Flash Point	273.2±8.4 °C
Exact Mass	133.063995
PSA	54.70000
LogP	0.30
Vapor Pressure	0.0±1.2 mmHg at 25°C
Refractive Index	1.780
Storage Conditions	2-8°C

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-Benzimidazol-7-amine?

The CAS number of 1H-Benzimidazol-7-amine is 4331-29-7.

What are the molecular formula and molecular weight of 1H-Benzimidazol-7-amine?

1H-Benzimidazol-7-amine has molecular formula C7H7N3 and molecular weight 133.151 g/mol.

What are the upstream and downstream products of 1H-Benzimidazol-7-amine?

For 1H-Benzimidazol-7-amine, Upstream Products: 4-Nitro-1H-benzimidazole, 1,2-Diamino-3-nitrobenzene, 2,6-Dinitroaniline; Downstream Products: 1H-Benzimidazole,4-hydrazino-(9CI).

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-Benzimidazol-7-amine (CAS 4331-29-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1526120-8 (accessed 2026-11-09).

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