Ethanone, 1-(3,5-dimethyl-4-isoxazolyl)- (9CI)

Also known as: 1-(3,5-dimethylisoxazol-4-yl)ethanone, 1-(3,5-dimethyl-4-isoxazolyl)ethanone, 1-(3,5-dimethyl-1,2-oxazol-4-yl)ethanone, 3,5-dimethyl-4-acetylisoxazole, 4-acetyl-3,5-dimethyl-isoxazole, Ethanone, 1-(3,5-dimethyl-4-isoxazolyl)-

Ethanone, 1-(3,5-dimethyl-4-isoxazolyl)- (9CI) (CAS 35166-20-2) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C7H9NO2 and a molecular weight of 139.15200 g/mol. Key properties include a boiling point of 233.797ºC at 760 mmHg, a density of 1.074 g/cm3 and a flash point of 95.198ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 35166-20-2
Jingsj CID: J-1497524-7
Molecular Formula: C₇H₉NO₂
Molecular Weight: 139.15200 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	233.797ºC at 760 mmHg
Density	1.074 g/cm3
Flash Point	95.198ºC
Exact Mass	139.06300
PSA	43.10000
LogP	1.49400
Refractive Index	1.473

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 Ethanone, 1-(3,5-dimethyl-4-isoxazolyl)- (9CI)?

The CAS number of Ethanone, 1-(3,5-dimethyl-4-isoxazolyl)- (9CI) is 35166-20-2.

What are the molecular formula and molecular weight of Ethanone, 1-(3,5-dimethyl-4-isoxazolyl)- (9CI)?

Ethanone, 1-(3,5-dimethyl-4-isoxazolyl)- (9CI) has molecular formula C7H9NO2 and molecular weight 139.15200 g/mol.

What are the upstream and downstream products of Ethanone, 1-(3,5-dimethyl-4-isoxazolyl)- (9CI)?

For Ethanone, 1-(3,5-dimethyl-4-isoxazolyl)- (9CI), Upstream Products: Methylmagnesium bromide, Acetohydroxamic acid, 2,4-Pentanedione; Downstream Products: 1-(2,5-Dimethyloxazol-4-yl)ethanone.

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. "Ethanone, 1-(3,5-dimethyl-4-isoxazolyl)- (9CI) (CAS 35166-20-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1497524-7 (accessed 2026-11-09).

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