3-Bromo-4,5-dihydro-1H-benzo[b]azepin-2(3H)-one

Also known as: 3-Bromo-2,3,4,5-tetrahydro-2H-benzo[b]azepin-2-one, 3-Bromo-1,3,4,5-tetrahydro-2H-1-benzazepin-2-one, 3-Bromo-2,3,4,5-tetrahydro-2H-1-benzazepin-2-one, 3-Bromobenzocaprolactam, Alpha-bromobenzocaprolactam, 3-Bromo-2,3,4,5-tetrahydro-2-oxo-1H-1-benzazepine

3-Bromo-4,5-dihydro-1H-benzo[b]azepin-2(3H)-one (CAS 86499-96-9) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C10H10BrNO and a molecular weight of 240.096 g/mol. Key properties include a melting point of 164ºC, a boiling point of 383.2±42.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 185.5±27.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 86499-96-9
Jingsj CID: J-1516746-1
Molecular Formula: C₁₀H₁₀BrNO
Molecular Weight: 240.096 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	164ºC
Boiling Point	383.2±42.0 °C at 760 mmHg
Density	1.5±0.1 g/cm3
Flash Point	185.5±27.9 °C
Exact Mass	238.994568
PSA	29.10000
LogP	2.19
Vapor Pressure	0.0±0.9 mmHg at 25°C
Refractive Index	1.590

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 3-Bromo-4,5-dihydro-1H-benzo[b]azepin-2(3H)-one?

The CAS number of 3-Bromo-4,5-dihydro-1H-benzo[b]azepin-2(3H)-one is 86499-96-9.

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

3-Bromo-4,5-dihydro-1H-benzo[b]azepin-2(3H)-one has molecular formula C10H10BrNO and molecular weight 240.096 g/mol.

What are the upstream and downstream products of 3-Bromo-4,5-dihydro-1H-benzo[b]azepin-2(3H)-one?

For 3-Bromo-4,5-dihydro-1H-benzo[b]azepin-2(3H)-one, Upstream Products: 4,5-Dihydro-1H-benzo[b]azepin-2(3H)-one, 1-Tetralone; Downstream Products: 3-amino-2,3,4,5-tetrahydro-1H-1-benzazepin-2-one, (S)-tert-Butyl 2-(3-amino-2-oxo-2,3,4,5-tetrahydro-1H-benzo[b]azepin-1-yl)acetate, (R)-3-Amino-2,3,4,5-tetrahydro-1H-1-benzazepin-2-one.

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. "3-Bromo-4,5-dihydro-1H-benzo[b]azepin-2(3H)-one (CAS 86499-96-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1516746-1 (accessed 2026-11-09).

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