1-methylazepan-4-one

1-甲基六氢-4H-氮杂卓-4-酮

Also known as: 1-methyl-1,2,3,5,6,7-hexahydroazepin-4-one, 1-methyl-4-azepanone, 1-methyl-hexahydro-4H-azepin-4-one, hexahydro-1-methyl-4H-azepin-4-one, 1-methyl-1H-hexahydroazepin-4-one, Azelastine Impurity 5, Azelastine Impurity 29

1-methylazepan-4-one (CAS 1859-33-2) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C7H13NO and a molecular weight of 127.18400 g/mol. It is also known as 1-methyl-1,2,3,5,6,7-hexahydroazepin-4-one, 1-methyl-4-azepanone and 1-methyl-hexahydro-4H-azepin-4-one. Key properties include a boiling point of 196ºC, a density of 0.965 and a flash point of 67ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1859-33-2
Jingsj CID: J-1040496-4
Molecular Formula: C₇H₁₃NO
Chinese Name: 1-甲基六氢-4H-氮杂卓-4-酮
Molecular Weight: 127.18400 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	196ºC
Density	0.965
Flash Point	67ºC

Frequently Asked Questions

What is the CAS number of 1-methylazepan-4-one?

The CAS number of 1-methylazepan-4-one is 1859-33-2.

What are the molecular formula and molecular weight of 1-methylazepan-4-one?

1-methylazepan-4-one has molecular formula C7H13NO and molecular weight 127.18400 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "1-methylazepan-4-one (CAS 1859-33-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1040496-4 (accessed 2026-10-25).

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