1-(4-Methoxyphenyl)-1-penten-3-one

Also known as: ETHONE, FEMA 2673, (1E)-1-(4-Methoxyphenyl)-1-penten-3-one, 1-(p-Methoxyphenyl)-1-penten-3-one, α-Methylanisalacetone, 1-(4-Methoxyphenyl)pent-1-en-3-one, 1-Penten-3-one, 1-(4-methoxyphenyl)-

1-(4-Methoxyphenyl)-1-penten-3-one (CAS 104-27-8) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C12H14O2 and a molecular weight of 190.238 g/mol. Key properties include a boiling point of 333.2±17.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 151.5±14.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 104-27-8
Jingsj CID: J-33996-0
Molecular Formula: C₁₂H₁₄O₂
Molecular Weight: 190.238 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	333.2±17.0 °C at 760 mmHg
Density	1.0±0.1 g/cm3
Flash Point	151.5±14.5 °C
Exact Mass	190.099380
PSA	26.30000
LogP	2.65
Vapor Pressure	0.0±0.7 mmHg at 25°C
Refractive Index	1.542

Customs & Trade Information

HS Code	2914509090
Summary	HS:2914509090 other ketones with other oxygen function VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 1-(4-Methoxyphenyl)-1-penten-3-one?

The CAS number of 1-(4-Methoxyphenyl)-1-penten-3-one is 104-27-8.

What are the molecular formula and molecular weight of 1-(4-Methoxyphenyl)-1-penten-3-one?

1-(4-Methoxyphenyl)-1-penten-3-one has molecular formula C12H14O2 and molecular weight 190.238 g/mol.

What are the upstream and downstream products of 1-(4-Methoxyphenyl)-1-penten-3-one?

For 1-(4-Methoxyphenyl)-1-penten-3-one, Upstream Products: 1-Penten-3-one, 4-Methoxybenzaldehyde.

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-(4-Methoxyphenyl)-1-penten-3-one (CAS 104-27-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-33996-0 (accessed 2026-11-06).

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