4,5-Dihydro-1H-benzo[e][1,4]diazepin-2(3H)-one

4,5-二氢-1H-苯并[e][1,4]二氮杂-2(3H)-酮

Also known as: 1,3,4,5-Tetrahydro-2H-1,4-benzodiazepin-2-one, 1,3,4,5-Tetrahydro-benzo[e][1,4]diazepin-2-one, 2,3,4,5-Tetrahydro-1H-1,4-benzodiazepin-2-one, 2H-1,4-Benzodiazepin-2-one, 1,3,4,5-tetrahydro-, BEN355

4,5-Dihydro-1H-benzo[e][1,4]diazepin-2(3H)-one (CAS 1824-72-2) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C9H10N2O and a molecular weight of 162.18800 g/mol. It is also known as 1,3,4,5-Tetrahydro-2H-1,4-benzodiazepin-2-one, 1,3,4,5-Tetrahydro-benzo[e][1,4]diazepin-2-one and 2,3,4,5-Tetrahydro-1H-1,4-benzodiazepin-2-one. Key properties include a boiling point of 365.6ºC at 760mmHg, a density of 1.137g/cm3 and a flash point of 173.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
1824-72-2
Jingsj CID
J-1524438-7
Molecular Formula
C9H10N2O
Chinese Name
4,5-二氢-1H-苯并[e][1,4]二氮杂-2(3H)-酮
Molecular Weight
162.18800 g/mol
Category
Ketones
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point365.6ºC at 760mmHg
Density1.137g/cm3
Flash Point173.1ºC

Frequently Asked Questions

What is the CAS number of 4,5-Dihydro-1H-benzo[e][1,4]diazepin-2(3H)-one?

The CAS number of 4,5-Dihydro-1H-benzo[e][1,4]diazepin-2(3H)-one is 1824-72-2.

What are the molecular formula and molecular weight of 4,5-Dihydro-1H-benzo[e][1,4]diazepin-2(3H)-one?

4,5-Dihydro-1H-benzo[e][1,4]diazepin-2(3H)-one has molecular formula C9H10N2O and molecular weight 162.18800 g/mol.

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

Last updated:

How to cite: Jingsj. "4,5-Dihydro-1H-benzo[e][1,4]diazepin-2(3H)-one (CAS 1824-72-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1524438-7 (accessed 2026-10-25).

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