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

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

Odor Type

powdery

JECFA Number

826

Stability:

Light Sensitive

LogP

2.65

Safety Information

Hazard Codes 

Xi

Risk Statements 

43

Safety Statements 

36/37

Toxicity

rabbit,LD50,skin,> 5gm/kg (5000mg/kg),Food and Cosmetics Toxicology. Vol. 17, Pg. 863, 1979.

1-(4-Methoxyphenyl)-1-penten-3-one Usage And Synthesis

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.

Uses

Flavoring.

Uses

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.

1-(4-Methoxyphenyl)-1-penten-3-one(104-27-8)Related Product Information

• Methyl cyclopentenolone
• Quinocetone
• Androstenedione
• Gestrinone
• Ethyl vinyl ketone
• Clethodim
• 1,3-Cyclopentadiene
• Dicyclopentadiene
• Phenylacetone
• AFLATOXIN B2
• 3,3'-CARBONYLBIS(7-METHOXYCOUMARIN)
• AFLATOXIN M2
• 1-(3,4-METHYLENEDIOXYPHENYL)-1-PENTEN-3-ONE
• Aflatoxin
• trans-Anethole
• 3-BENZO[3,4-D]1,3-DIOXOLEN-5-YL-2-(2,2-DIMETHYLPROPANOYL)PROP-2-ENENITRILE
• 1-(P-METHOXYPHENYL)-4-METHYL-1-PENTEN-3-ONE
• 1-(3,4-METHYLENEDIOXY-PHENYL)-4,4-DIMETHYL-PENT-1-EN-3-ONE