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

CAS NO.：104-27-8
Empirical Formula: C12H14O2
Molecular Weight: 190.24
MDL number: MFCD00027023
EINECS: 203-190-5
SAFETY DATA SHEET (SDS)
Update Date: 2026-05-28 05:41:27

What is 1-(4-Methoxyphenyl)-1-penten-3-one?

Description

1 -(p-Methoxypheny 1)-1 -penten-3-one has an odor similar to butter, sweet and lasting. It has a sweet, fruity taste at low levels and a slightly burning taste at higher levels. Prepared by saturation at room temperature of a mixture of anisaldehyde and methyl ethyl ketone with HCL, or by treating α-methyl-α-(4-hydroxy)benzylidene acetone with methyl iodide in alkaline solution.

Chemical properties

White to pale-yellow solid; sharp odor. Stable,1 g is soluble in 5 mL 95% alcohol. Combustible.

Chemical properties

1-(p-Methoxyphenyl)-1-penten-3-one has an odor similar to butter. It has a sweet, fruity taste at low levels and slightly burning taste at higher levels.

The Uses of 1-(4-Methoxyphenyl)-1-penten-3-one

Flavoring.

The Uses of 1-(4-Methoxyphenyl)-1-penten-3-one

α-Methylanisalacetone is used in skin sensitization measuring method.

Preparation

By saturation at room temperature of a mixture of anisaldehyde and methyl ethyl ketone with HCl, or by treating α-methyl- α-(4-hydroxy)benzylidene acetone with methyl iodide in alkaline solution.

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

Melting point:	61 °C
Boiling point:	333.2±17.0 °C(Predicted)
Density	1.030±0.06 g/cm3(Predicted)
FEMA	2673 \| 1-(P-METHOXYPHENYL)-1-PENTEN-3-ONE
storage temp.	Amber Vial, -20°C Freezer, Under inert atmosphere
solubility	Chloroform (Slightly), Methanol (Slightly)
form	Solid
color	White to Off-White
Odor	at 10.00 % in dipropylene glycol. dry sweet powdery cherry fruity heliotrope almond anisic vanilla
JECFA Number	826
Stability:	Light Sensitive

Safety information for 1-(4-Methoxyphenyl)-1-penten-3-one

Signal word	Warning
Pictogram(s)	Exclamation Mark Irritant GHS07
GHS Hazard Statements	H317:Sensitisation, Skin
Precautionary Statement Codes	P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P280:Wear protective gloves/protective clothing/eye protection/face protection.