2-chloro-1-(3-phenyl-2,3-dihydro-1,4-benzoxazin-4-yl)ethanone

4-氯乙酰基-3-苯基-3,4-二氢-2H-1,4-苯噁嗪

Also known as: 2-Chloro-1-(3-phenyl-3,4-dihydro-2H-1,4-benzoxazin-4-yl)ethan-1-one, 4-(Chloroacetyl)-3-phenyl-3,4-dihydro-2H-1,4-benzoxazine, 4-(Chloroacetyl)-3,4-dihydro-3-phenyl-2H-1,4-benzoxazine, hms2557j20

2-chloro-1-(3-phenyl-2,3-dihydro-1,4-benzoxazin-4-yl)ethanone (CAS 22178-50-3) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C16H14ClNO2 and a molecular weight of 287.74100 g/mol. It is also known as 2-Chloro-1-(3-phenyl-3,4-dihydro-2H-1,4-benzoxazin-4-yl)ethan-1-one, 4-(Chloroacetyl)-3-phenyl-3,4-dihydro-2H-1,4-benzoxazine and 4-(Chloroacetyl)-3,4-dihydro-3-phenyl-2H-1,4-benzoxazine. Key properties include a boiling point of 500.4ºC at 760mmHg, a density of 1.277g/cm3 and a flash point of 256.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
22178-50-3
Jingsj CID
J-1345478-2
Molecular Formula
C16H14ClNO2
Chinese Name
4-氯乙酰基-3-苯基-3,4-二氢-2H-1,4-苯噁嗪
Molecular Weight
287.74100 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point500.4ºC at 760mmHg
Density1.277g/cm3
Flash Point256.4ºC

Frequently Asked Questions

What is the CAS number of 2-chloro-1-(3-phenyl-2,3-dihydro-1,4-benzoxazin-4-yl)ethanone?

The CAS number of 2-chloro-1-(3-phenyl-2,3-dihydro-1,4-benzoxazin-4-yl)ethanone is 22178-50-3.

What are the molecular formula and molecular weight of 2-chloro-1-(3-phenyl-2,3-dihydro-1,4-benzoxazin-4-yl)ethanone?

2-chloro-1-(3-phenyl-2,3-dihydro-1,4-benzoxazin-4-yl)ethanone has molecular formula C16H14ClNO2 and molecular weight 287.74100 g/mol.

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

Last updated:

How to cite: Jingsj. "2-chloro-1-(3-phenyl-2,3-dihydro-1,4-benzoxazin-4-yl)ethanone (CAS 22178-50-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1345478-2 (accessed 2026-10-24).

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