1-(3-Phenyl-5-isoxazolyl)-1-ethanone

Also known as: 1-(3-PHENYLISOXAZOL-5YL)ETHANONE, 1-(3-PHENYL-5-ISOXAZOLYL)-1-ETHANONE, Ethanone, 1-(3-phenyl-5-isoxazolyl)-, 1-(3-phenylisoxazol-5-yl)ethan-1-one, 1-(3-Phenyl-1,2-oxazol-5-yl)ethan-1-one, 5-ACETYL-3-PHENYLISOXAZOLE, 3-PHENYL-5-ACETYL ISOXAZOLE, BUTTPARK 75\12-45

1-(3-Phenyl-5-isoxazolyl)-1-ethanone (CAS 2048-69-3) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C11H9NO2 and a molecular weight of 187.19500 g/mol. Key properties include a melting point of 107-108.5ºC, a boiling point of 373ºC at 760mmHg, a density of 1.153g/cm3 and a flash point of 179.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 2048-69-3
Jingsj CID: J-1517363-4
Molecular Formula: C₁₁H₉NO₂
Molecular Weight: 187.19500 g/mol
Category: Ketones
Last updated: 8/21/2026

Request MSDS / TDS

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point	107-108.5ºC
Boiling Point	373ºC at 760mmHg
Density	1.153g/cm3
Flash Point	179.4ºC
Exact Mass	187.06300
PSA	43.10000
LogP	2.54420
Vapor Pressure	9.23E-06mmHg at 25°C
Refractive Index	1.544

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 1-(3-Phenyl-5-isoxazolyl)-1-ethanone?

The CAS number of 1-(3-Phenyl-5-isoxazolyl)-1-ethanone is 2048-69-3.

What are the molecular formula and molecular weight of 1-(3-Phenyl-5-isoxazolyl)-1-ethanone?

1-(3-Phenyl-5-isoxazolyl)-1-ethanone has molecular formula C11H9NO2 and molecular weight 187.19500 g/mol.

What are the upstream and downstream products of 1-(3-Phenyl-5-isoxazolyl)-1-ethanone?

For 1-(3-Phenyl-5-isoxazolyl)-1-ethanone, Upstream Products: 5-(2-Hydroxyethyl)-3-phenylisoxazole, 3,4-Dibromo-2-butanone, alpha-Chlorobenzaldoxime; Downstream Products: 5-(bromoacetyl)-3-phenylisoxazole.

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. "1-(3-Phenyl-5-isoxazolyl)-1-ethanone (CAS 2048-69-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1517363-4 (accessed 2026-11-09).

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