alpha-Methylcinnamaldehyde CAS#: 101-39-3

alpha-Methylcinnamaldehyde

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alpha-Methylcinnamaldehyde Basic information

alpha-Methylcinnamaldehyde Chemical Properties

Boiling point:148-149 °C27 mm Hg(lit.)
Density 1.047 g/mL at 25 °C(lit.)
FEMA 2697 | ALPHA-METHYLCINNAMALDEHYDE
refractive index n20/D 1.605(lit.)
Flash point:175 °F
storage temp. Store below +30°C.
Water Solubility <0.1 g/100 mL at 21 ºC
Sensitive Air Sensitive
JECFA Number683
BRN 507514
Stability:Stable. Combustible. Incompatible with strong oxidizing agents, strong bases.
InChIKeyVLUMOWNVWOXZAU-VQHVLOKHSA-N
CAS DataBase Reference101-39-3(CAS DataBase Reference)
NIST Chemistry Reference2-Propenal, 2-methyl-3-phenyl-(101-39-3)
EPA Substance Registry System.alpha.-Methylcinnamaldehyde (101-39-3)

Safety Information

MSDS

alpha-Methylcinnamaldehyde Usage And Synthesis

Descriptionα-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 Propertiesα-Methylcinnamaldehyde has a characteristic cinnamon-type odor and a soft, spicy flavor.
Chemical Propertiesyellow liquid
OccurrenceReported found in peppermint oil, sherry and mint
PreparationBy 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 valuesTaste 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 DescriptionClear yellow liquid.
Air & Water ReactionsInsoluble in water.
Reactivity Profilealpha-Methylcinnamaldehyde is incompatible with strong oxidizing agents and strong bases.
Fire Hazardalpha-Methylcinnamaldehyde is combustible.
Safety ProfileModerately toxic by ingestion. A skin irritant. Combustible liquid. When heated to decomposition it emits acrid smoke and irritating fumes.

alpha-Methylcinnamaldehyde Preparation Products And Raw materials

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