4a-Methyl-4,4a,5,6,7,8-hexahydro-2(3H)-naphthalenone

4a-甲基-4,4a,5,6,7,8-六氢-2(3H)-萘酮

Also known as: 4,4a,5,6,7,8-hexahydro-4a-methyl-2(3H)-naphthalenone, 4a-methyl-4,4a,5,6,7,8-hexahydro-2(3H)-naphthalenone, (+/-)-4a-methyl-4,4a,5,6,7,8-hexahydronaphthalen-2(3H)-one, 6-methylbicyclo[4.4.0]dec-1-ene-3-one, 4a-methyl-3,4,5,6,7,8-hexahydro-2-naphthalenone

4a-Methyl-4,4a,5,6,7,8-hexahydro-2(3H)-naphthalenone (CAS 826-56-2) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C11H16O and a molecular weight of 164.24400 g/mol. It is also known as 4,4a,5,6,7,8-hexahydro-4a-methyl-2(3H)-naphthalenone, 4a-methyl-4,4a,5,6,7,8-hexahydro-2(3H)-naphthalenone and (+/-)-4a-methyl-4,4a,5,6,7,8-hexahydronaphthalen-2(3H)-one. Key properties include a boiling point of 279.7ºC at 760mmHg, a density of 1g/cm3 and a flash point of 108.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
826-56-2
Jingsj CID
J-944662-1
Molecular Formula
C11H16O
Chinese Name
4a-甲基-4,4a,5,6,7,8-六氢-2(3H)-萘酮
Molecular Weight
164.24400 g/mol
Category
Ketones
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point279.7ºC at 760mmHg
Density1g/cm3
Flash Point108.4ºC

Frequently Asked Questions

What is the CAS number of 4a-Methyl-4,4a,5,6,7,8-hexahydro-2(3H)-naphthalenone?

The CAS number of 4a-Methyl-4,4a,5,6,7,8-hexahydro-2(3H)-naphthalenone is 826-56-2.

What are the molecular formula and molecular weight of 4a-Methyl-4,4a,5,6,7,8-hexahydro-2(3H)-naphthalenone?

4a-Methyl-4,4a,5,6,7,8-hexahydro-2(3H)-naphthalenone has molecular formula C11H16O and molecular weight 164.24400 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "4a-Methyl-4,4a,5,6,7,8-hexahydro-2(3H)-naphthalenone (CAS 826-56-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-944662-1 (accessed 2026-10-24).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.