8-Bromo-3,4-dihydronaphthalen-2(1H)-one

Also known as: 8-Bromo-2-tetralone, 8-Bromo-3,4-dihydro-1H-naphthalen-2-one, 8-Bromo-3,4-dihydro-2(1H)-naphthalenone, 8-Bromo-1,2,3,4-tetrahydro-2-oxonaphthalene, 8-Bromotetralin-2-one, 8B2T

8-Bromo-3,4-dihydronaphthalen-2(1H)-one (CAS 117294-21-0) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C10H9BrO and a molecular weight of 225.082 g/mol. Key properties include a boiling point of 331.0±42.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 117.0±15.2 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 117294-21-0
Jingsj CID: J-1497365-0
Molecular Formula: C₁₀H₉BrO
Molecular Weight: 225.082 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	331.0±42.0 °C at 760 mmHg
Density	1.5±0.1 g/cm3
Flash Point	117.0±15.2 °C
Exact Mass	223.983673
PSA	17.07000
LogP	2.50
Vapor Pressure	0.0±0.7 mmHg at 25°C
Refractive Index	1.599

Customs & Trade Information

HS Code	2914700090
Summary	HS: 2914700090 halogenated, sulphonated, nitrated or nitrosated derivatives of ketones and quinones, whether or not with other oxygen function Tax rebate rate:9.0% Supervision conditions:none VAT:17.0% MFN tariff:5.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 8-Bromo-3,4-dihydronaphthalen-2(1H)-one?

The CAS number of 8-Bromo-3,4-dihydronaphthalen-2(1H)-one is 117294-21-0.

What are the molecular formula and molecular weight of 8-Bromo-3,4-dihydronaphthalen-2(1H)-one?

8-Bromo-3,4-dihydronaphthalen-2(1H)-one has molecular formula C10H9BrO and molecular weight 225.082 g/mol.

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. "8-Bromo-3,4-dihydronaphthalen-2(1H)-one (CAS 117294-21-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1497365-0 (accessed 2026-11-09).

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