7-methyl-3,4-dihydro-2H-1-benzoxepin-5-one

7-甲基-3,4-二氢-2H-苯并[b]氧杂环庚三烯-5-酮

Also known as: 1-Benzoxepin-5(2H)-one, 3,4-dihydro-7-methyl-, 3,4-dihydro-7-methyl-1-benzoxepin-5(2H)-one, 7-METHYL-3,4-DIHYDRO-2H-BENZO[B]OXEPIN-5-ONE, 7-Methyl-3,4-dihydro-2H-benz[b]oxepin-5-on, 7-Methyl-3,4-dihydro-2H-benzo[b]oxepin-5-one, 7-Methyl-5-homochromanon, 7-methyl-2,3,4,5-tetrahydro-1-benzoxepin-5-one, 7-methyl-3,4-dihydro-1(2H)-benzoxepin-5-one, 7-methyl-3,4-dihydro-1-benzoxepin-5(2H)-one, 7-methyl-3,4-dihydro-2H-benz[b]oxepin-5-one, 7-methyl-3,4-dihydrobenzo[b]oxepin-5(2H)-on, HMS1760P21

7-methyl-3,4-dihydro-2H-1-benzoxepin-5-one (CAS 41177-66-6) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C11H12O2 and a molecular weight of 176.21200 g/mol. It is also known as 1-Benzoxepin-5(2H)-one, 3,4-dihydro-7-methyl-, 3,4-dihydro-7-methyl-1-benzoxepin-5(2H)-one and 7-METHYL-3,4-DIHYDRO-2H-BENZO[B]OXEPIN-5-ONE. Key properties include a boiling point of 318ºC at 760 mmHg, a density of 1.116g/cm3 and a flash point of 149.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
41177-66-6
Jingsj CID
J-973371-0
Molecular Formula
C11H12O2
Chinese Name
7-甲基-3,4-二氢-2H-苯并[b]氧杂环庚三烯-5-酮
Molecular Weight
176.21200 g/mol
Category
Ketones
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point318ºC at 760 mmHg
Density1.116g/cm3
Flash Point149.8ºC

Frequently Asked Questions

What is the CAS number of 7-methyl-3,4-dihydro-2H-1-benzoxepin-5-one?

The CAS number of 7-methyl-3,4-dihydro-2H-1-benzoxepin-5-one is 41177-66-6.

What are the molecular formula and molecular weight of 7-methyl-3,4-dihydro-2H-1-benzoxepin-5-one?

7-methyl-3,4-dihydro-2H-1-benzoxepin-5-one has molecular formula C11H12O2 and molecular weight 176.21200 g/mol.

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

Last updated:

How to cite: Jingsj. "7-methyl-3,4-dihydro-2H-1-benzoxepin-5-one (CAS 41177-66-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-973371-0 (accessed 2026-10-24).

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