2-Ethyl-4H-benzo[d][1,3]oxazin-4-one

Also known as: 2-Ethyl-benzo[d][1,3]oxazin-4-one, 2-ethyl-3,1-benzoxazin-4-one, 2-ethyl-4H-3,1-benzoxazin-4-one, 2-ethylbenzoxazin-4-one, 4H-3,1-Benzoxazin-4-one, 2-ethyl-

2-Ethyl-4H-benzo[d][1,3]oxazin-4-one (CAS 2916-09-8) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C10H9NO2 and a molecular weight of 175.18400 g/mol. Key properties include a boiling point of 296.7ºC at 760 mmHg, a density of 1.21g/cm3 and a flash point of 146ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 2916-09-8
Jingsj CID: J-1500304-0
Molecular Formula: C₁₀H₉NO₂
Molecular Weight: 175.18400 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	296.7ºC at 760 mmHg
Density	1.21g/cm3
Flash Point	146ºC
Exact Mass	175.06300
PSA	43.10000
LogP	1.75040
Vapor Pressure	0.00141mmHg at 25°C
Refractive Index	1.59
Storage Conditions	2-8℃

Customs & Trade Information

HS Code	2934999090
Summary	2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 2-Ethyl-4H-benzo[d][1,3]oxazin-4-one?

The CAS number of 2-Ethyl-4H-benzo[d][1,3]oxazin-4-one is 2916-09-8.

What are the molecular formula and molecular weight of 2-Ethyl-4H-benzo[d][1,3]oxazin-4-one?

2-Ethyl-4H-benzo[d][1,3]oxazin-4-one has molecular formula C10H9NO2 and molecular weight 175.18400 g/mol.

What are the upstream and downstream products of 2-Ethyl-4H-benzo[d][1,3]oxazin-4-one?

For 2-Ethyl-4H-benzo[d][1,3]oxazin-4-one, Upstream Products: Propionic anhydride, 2-(Propionylamino)benzoic acid, Propionyl chloride; Downstream Products: 2-Ethylquinazolin-4-ol, 2-(Propionylamino)benzoic acid, 3-Amino-2-ethyl-4(3H)-quinazolinone.

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. "2-Ethyl-4H-benzo[d][1,3]oxazin-4-one (CAS 2916-09-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1500304-0 (accessed 2026-11-09).

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