α-Methylcinnamaldehyde Chemical Properties

Boiling point:

148-149 °C27 mm Hg(lit.)

Density 

1.047 g/mL at 25 °C(lit.)

refractive index 

n20/D 1.605(lit.)

FEMA 

2697 | ALPHA-METHYLCINNAMALDEHYDE

Flash point:

175 °F

storage temp. 

Inert atmosphere,2-8°C

solubility 

Chloroform, Methanol (Slightly)

form 

Oil

color 

Colourless

Odor

at 100.00 %. sweet cinnamon spicy cassia

Odor Type

spicy

Water Solubility 

<0.1 g/100 mL at 21 ºC

Sensitive 

Air Sensitive

JECFA Number

683

BRN 

507514

Stability:

Stable. Combustible. Incompatible with strong oxidizing agents, strong bases.

InChIKey

VLUMOWNVWOXZAU-VQHVLOKHSA-N

LogP

2.68

CAS DataBase Reference

101-39-3(CAS DataBase Reference)

NIST Chemistry Reference

2-Propenal, 2-methyl-3-phenyl-(101-39-3)

EPA Substance Registry System

.alpha.-Methylcinnamaldehyde (101-39-3)

Safety Information

Hazard Codes 

Xi

Risk Statements 

36/37/38

Safety Statements 

24/25

WGK Germany 

1

RTECS 

GD6600000

TSCA 

Yes

HS Code 

29122900

MSDS

• Language:English Provider:3-Phenyl-2-methyl acrolein
• Language:English Provider:ACROS
• Language:English Provider:SigmaAldrich
• Language:English Provider:ALFA

α-Methylcinnamaldehyde Usage And Synthesis

Description

α-Methylcinnamaldehyde has a characteristic cinnamon-type odor with a soft, spicy flavor. May be synthesized by condensing benzaldehyde with propionic aldehyde in the presence of a 1% caustic soda solution; also by the controlled hydrogenation of α-methylcinnamic aldehyde.

Chemical Properties

α-Methylcinnamaldehyde has a characteristic cinnamon-type odor and a soft, spicy flavor.

Chemical Properties

yellow liquid

Occurrence

Reported found in peppermint oil, sherry and mint

Uses

alpha-Methyl-trans-cinnamaldehyde is a compound with antifungal activity for proteomics research use.

Preparation

By condensing benzaldehyde with propionic aldehyde in the presence of a 1% caustic soda solution; also by the controlled hydrogenation of α-methylcinnamic aldehyde

Taste threshold values

Taste characteristics at 30 ppm: spice, cinnamon, sweet, woody with a slight pungent and hot bite

Synthesis Reference(s)

The Journal of Organic Chemistry, 55, p. 2878, 1990 DOI: 10.1021/jo00296a059
Tetrahedron Letters, 28, p. 1263, 1987 DOI: 10.1016/S0040-4039(00)95341-3

General Description

Clear yellow liquid.

Air & Water Reactions

Insoluble in water.

Reactivity Profile

alpha-Methylcinnamaldehyde is incompatible with strong oxidizing agents and strong bases.

Fire Hazard

alpha-Methylcinnamaldehyde is combustible.

Biochem/physiol Actions

α-Methyl trans cinnamaldehyde has antifungal activity. It is self coupled and complexed with Co(II) and Ni(II) to synthesize ligand and complexes.

Safety Profile

Moderately toxic by ingestion. A skin irritant. Combustible liquid. When heated to decomposition it emits acrid smoke and irritating fumes.

α-Methylcinnamaldehyde(101-39-3)Related Product Information

• α-Bromocinnamaldehyde
• 2-PROPENAL, 3-(4-METHYLPHENYL)-,(2E)
• METSULFURON METHYL
• alpha-Hexylcinnamaldehyde
• 3-（trifluoromethyl) Cinnamaldehyde
• 4-(Dimethylamino)cinnamaldehyde
• Kresoxim-methyl
• Diethylstilbestrol
• Methyl salicylate
• Tribenuron methyl
• Methyl acetate
• Cinnamaldehyde
• Thiophanate-methyl
• PHENYL VALERATE
• α-Lipoic Acid
• Methyl
• EPROSARTAN
• Epalrestat iMpurity