4,5-Dihydro-1H-benzo[d]azepin-2(3H)-one

1,3,4,5-四氢-2H-3-苯并氮杂卓-2-酮

Also known as: 1,3,4,5-Tetrahydro-2H-3-benzazepin-2-one, 1,3,4,5-Tetrahydrobenzo[d]azepin-2-one, 1,3,4,5-tetrahydro-2H-benzo[d]azepin-2-one, 2,3,4,5-tetrahydro-1H-3-benzazepin-2-one, 2H-3-Benzazepin-2-one, 1,3,4,5-tetrahydro-

4,5-Dihydro-1H-benzo[d]azepin-2(3H)-one (CAS 15987-50-5) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C10H11NO and a molecular weight of 161.200 g/mol. It is also known as 1,3,4,5-Tetrahydro-2H-3-benzazepin-2-one, 1,3,4,5-Tetrahydrobenzo[d]azepin-2-one and 1,3,4,5-tetrahydro-2H-benzo[d]azepin-2-one. Key properties include a melting point of 158-160℃, a boiling point of 377.3±31.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 221.6±9.8 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
15987-50-5
Jingsj CID
J-1343165-3
Molecular Formula
C10H11NO
Chinese Name
1,3,4,5-四氢-2H-3-苯并氮杂卓-2-酮
Molecular Weight
161.200 g/mol
Category
Ketones
Last updated
8/21/2026

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Physicochemical Properties

Melting Point158-160℃
Boiling Point377.3±31.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point221.6±9.8 °C

Frequently Asked Questions

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

The CAS number of 4,5-Dihydro-1H-benzo[d]azepin-2(3H)-one is 15987-50-5.

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

4,5-Dihydro-1H-benzo[d]azepin-2(3H)-one has molecular formula C10H11NO and molecular weight 161.200 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[d]azepin-2(3H)-one (CAS 15987-50-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1343165-3 (accessed 2026-10-24).

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