3-acetyl-7-(diethylamino)-2H-chromen-2-one

Also known as: 3-acetyl-7-diethylaminochromen-2-one, 3-acetyl-7-diethylaminocoumarin, 3-acetyl-7-(diethylamino)-2H-1-benzopyran-2-one, 3-acetyl-7-(diethylamino)-2H-chromen-2-one, 3-acetyl-7-(diethylamino)-2-oxo-2H-chromene, 3-acetyl-7-diethylamino-2H-chromen-2-one, 7-diethylamino-3-acetylchromen-2-one, 2H-1-Benzopyran-2-one, 3-acetyl-7-(diethylamino)-

3-acetyl-7-(diethylamino)-2H-chromen-2-one (CAS 74696-96-1) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C15H17NO3 and a molecular weight of 259.300 g/mol. Key properties include a melting point of 150-153°C (lit.), a boiling point of 463.1±45.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 233.9±28.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 74696-96-1
Jingsj CID: J-1522298-7
Molecular Formula: C₁₅H₁₇NO₃
Molecular Weight: 259.300 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	150-153°C (lit.)
Boiling Point	463.1±45.0 °C at 760 mmHg
Density	1.2±0.1 g/cm3
Flash Point	233.9±28.7 °C
Exact Mass	259.120850
PSA	50.52000
LogP	3.10
Vapor Pressure	0.0±1.1 mmHg at 25°C
Refractive Index	1.582

Customs & Trade Information

HS Code	2932209090
Summary	2932209090. other lactones. 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 3-acetyl-7-(diethylamino)-2H-chromen-2-one?

The CAS number of 3-acetyl-7-(diethylamino)-2H-chromen-2-one is 74696-96-1.

What are the molecular formula and molecular weight of 3-acetyl-7-(diethylamino)-2H-chromen-2-one?

3-acetyl-7-(diethylamino)-2H-chromen-2-one has molecular formula C15H17NO3 and molecular weight 259.300 g/mol.

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. "3-acetyl-7-(diethylamino)-2H-chromen-2-one (CAS 74696-96-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1522298-7 (accessed 2026-11-09).

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