3,4-dihydro-4,4-dimethyl-7-nitro-naphthalen-1(2H)-one

Also known as: 1(2H)-Naphthalenone, 3,4-dihydro-4,4-dimethyl-7-nitro-, 4,4-dimethyl-7-nitro-2,3-dihydro-2H-naphthalen-1-one, 4,4-dimethyl-7-nitro-2,3-dihydronaphthalen-1-one, 4,4-dimethyl-7-nitro-3,4-dihydro-2H-naphthalen-1-one, 4,4-dimethyl-7-nitrotetralone, 7-nitro-4,4-dimethyl-3,4-dihydro-2H-naphthalen-1-one

3,4-dihydro-4,4-dimethyl-7-nitro-naphthalen-1(2H)-one (CAS 33209-71-1) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C12H13NO3 and a molecular weight of 219.23700 g/mol. Key properties include a boiling point of 356.4ºC at 760 mmHg, a density of 1.198g/cm3 and a flash point of 167.295ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 33209-71-1
Jingsj CID: J-1389482-1
Molecular Formula: C₁₂H₁₃NO₃
Molecular Weight: 219.23700 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	356.4ºC at 760 mmHg
Density	1.198g/cm3
Flash Point	167.295ºC
Exact Mass	219.09000
PSA	62.89000
LogP	3.37210
Refractive Index	1.558

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 3,4-dihydro-4,4-dimethyl-7-nitro-naphthalen-1(2H)-one?

The CAS number of 3,4-dihydro-4,4-dimethyl-7-nitro-naphthalen-1(2H)-one is 33209-71-1.

What are the molecular formula and molecular weight of 3,4-dihydro-4,4-dimethyl-7-nitro-naphthalen-1(2H)-one?

3,4-dihydro-4,4-dimethyl-7-nitro-naphthalen-1(2H)-one has molecular formula C12H13NO3 and molecular weight 219.23700 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. "3,4-dihydro-4,4-dimethyl-7-nitro-naphthalen-1(2H)-one (CAS 33209-71-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1389482-1 (accessed 2026-11-09).

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