7-Methoxy-3,4-dihydronaphthalen-2(1H)-one

Also known as: 7-Methoxy-2-tetralone, 7-Methoxy-1,2,3,4-tetrahydronaphthalen-2-one, 3,4-Dihydro-7-methoxy-2(1H)-naphthalenone, 7-Methoxyl-2-tetralone, 7-Methoxy-3,4-dihydronaphthalen-1(2H)-one

7-Methoxy-3,4-dihydronaphthalen-2(1H)-one (CAS 4133-34-0) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C11H12O2 and a molecular weight of 176.212 g/mol. Key properties include a melting point of 27 - 28ºC, a boiling point of 306.8±0.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 150.8±21.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 4133-34-0
Jingsj CID: J-45200-6
Molecular Formula: C₁₁H₁₂O₂
Molecular Weight: 176.212 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	27 - 28ºC
Boiling Point	306.8±0.0 °C at 760 mmHg
Density	1.1±0.1 g/cm3
Flash Point	150.8±21.4 °C
Exact Mass	176.083725
PSA	26.30000
LogP	1.64
Vapor Pressure	0.0±0.6 mmHg at 25°C
Refractive Index	1.549

Customs & Trade Information

HS Code	2914509090
Summary	HS:2914509090 other ketones with other oxygen function VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 7-Methoxy-3,4-dihydronaphthalen-2(1H)-one?

The CAS number of 7-Methoxy-3,4-dihydronaphthalen-2(1H)-one is 4133-34-0.

What are the molecular formula and molecular weight of 7-Methoxy-3,4-dihydronaphthalen-2(1H)-one?

7-Methoxy-3,4-dihydronaphthalen-2(1H)-one has molecular formula C11H12O2 and molecular weight 176.212 g/mol.

What are the upstream and downstream products of 7-Methoxy-3,4-dihydronaphthalen-2(1H)-one?

For 7-Methoxy-3,4-dihydronaphthalen-2(1H)-one, Upstream Products: 6-Methoxy-1a,2,3,7b-tetrahydro-1-oxa-cyclopropa[a]naphthalene, 2,7-Dimethoxynaphthalene, 7-Methoxy-1-tetralone; Downstream Products: 7-Hydroxy-2-tetralone, 1-Allyl-7-methoxy-2-tetralone, (S)-2-Amino-7-hydroxytetralin.

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-Methoxy-3,4-dihydronaphthalen-2(1H)-one (CAS 4133-34-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-45200-6 (accessed 2026-11-09).

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