7-Bromo-4,4-dimethyl-1-tetralone

Also known as: 7-Bromo-3,4-dihydro-4,4-dimethylnaphthalen-1(2H)-one, 7-Bromo-4,4-dimethyl-3,4-dihydro-2H-naphthalen-1-one, 7-Bromo-4,4-dimethyl-1-oxo-1,2,3,4-tetrahydronaphthalene, 7-Bromo-4,4-dimethyl-3,4-dihydronaphthalen-1-one, 1(2H)-Naphthalenone, 7-bromo-3,4-dihydro-4,4-dimethyl-, 1,2,3,4-Tetrahydro-4,4-dimethyl-1-oxo-7-bromonaphthalene

7-Bromo-4,4-dimethyl-1-tetralone (CAS 166978-46-7) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C12H13BrO and a molecular weight of 253.13500 g/mol. Key properties include a boiling point of 325.6ºC at 760mmHg, a density of 1.351g/cm3 and a flash point of 68.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 166978-46-7
Jingsj CID: J-1338464-0
Molecular Formula: C₁₂H₁₃BrO
Molecular Weight: 253.13500 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	325.6ºC at 760mmHg
Density	1.351g/cm3
Flash Point	68.2ºC
Exact Mass	252.01500
PSA	17.07000
LogP	3.70320
Vapor Pressure	0mmHg at 25°C
Refractive Index	1.556

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 7-Bromo-4,4-dimethyl-1-tetralone?

The CAS number of 7-Bromo-4,4-dimethyl-1-tetralone is 166978-46-7.

What are the molecular formula and molecular weight of 7-Bromo-4,4-dimethyl-1-tetralone?

7-Bromo-4,4-dimethyl-1-tetralone has molecular formula C12H13BrO and molecular weight 253.13500 g/mol.

What are the upstream and downstream products of 7-Bromo-4,4-dimethyl-1-tetralone?

For 7-Bromo-4,4-dimethyl-1-tetralone, Upstream Products: 4,4-Dimethyl-3,4-dihydro-1(2H)-naphthalenone, Dichloromethane, copper bromide; Downstream Products: AGN 193109 Ethyl Ester, Ethyl 4-[(5,5-dimethyl-8-oxo-5,6,7,8-tetrahydronaphthalen-2-yl)ethynyl]benzoate.

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. "7-Bromo-4,4-dimethyl-1-tetralone (CAS 166978-46-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1338464-0 (accessed 2026-11-09).

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