4-METHYL-2-PHENYL-2-PENTENAL

4-METHYL-2-PHENYL-2-PENTENAL Basic information
Product Name:4-METHYL-2-PHENYL-2-PENTENAL
Synonyms:4-METHYL-2-PHENYL-2-PENTENAL;4-METHYL-2-PHENYLPENT-2-ENAL;2-PHENYL-4-METHYLPENT-2-ENAL;.alpha.-(2-methylpropylidene)-Benzeneacetaldehyde;FEMA 3200;4-METHYL-2-PHENYL-2-PENTENAL 88+% &;Benzeneacetaldehyde, .alpha.-(2-methylpropylidene)-;4-methyl-2-phenyl-2-pentenal, (e)+(z)
CAS:26643-91-4
MF:C12H14O
MW:174.24
EINECS:247-869-4
Product Categories:Alphabetical Listings;Flavors and Fragrances;M-N
Mol File:26643-91-4.mol
4-METHYL-2-PHENYL-2-PENTENAL Structure
4-METHYL-2-PHENYL-2-PENTENAL Chemical Properties
Boiling point 96 °C0.7 mm Hg(lit.)
density 0.983 g/mL at 25 °C(lit.)
FEMA 3200 | 4-METHYL-2-PHENYL-2-PENTENAL
refractive index n20/D 1.536(lit.)
Fp >230 °F
Odorat 100.00 %. sweet cocoa nutty rose powdery
Odor Typechocolate
Sensitive Air Sensitive
JECFA Number1473
BRN 2042583
LogP3.55
CAS DataBase Reference26643-91-4(CAS DataBase Reference)
EPA Substance Registry SystemBenzeneacetaldehyde, .alpha.-(2-methylpropylidene)- (26643-91-4)
Safety Information
Hazard Codes Xi
Risk Statements 36/37/38
Safety Statements 26-36
WGK Germany 3
TSCA Yes
MSDS Information
ProviderLanguage
SigmaAldrich English
ALFA English
4-METHYL-2-PHENYL-2-PENTENAL Usage And Synthesis
Description4-Methyl-2-phenyl-2-pentenal has a cocoa aroma. It is often used in chocolate and cocoα-type flavors. May be prepared by aldolic condensation of the corresponding aldehydes in the presence of a basic catalyst.
Chemical Properties4-Methyl-2-phenyl-2-pentenal has a cocoa aroma. It is often used in chocolate and cocoa-type flavors.
OccurrenceReported found in baked and fried potato, peppermint oil, cocoa, black tea, roasted filberts, potato chips, sesame seed and malt
PreparationBy aldolic condensation of the corresponding aldehydes in the presence of a basic catalyst
Taste threshold valuesTaste characteristics at 20 ppm: floral, sweet, waxy and cocoa-like with a honey nuance
4-METHYL-2-PHENYL-2-PENTENAL Preparation Products And Raw materials
SPIRO[INDENE-1,4'-PIPERIDINE]-3-CARBOXYLIC ACID SALOR-INT L160024-1EA SALOR-INT L159921-1EA SPIROMESIFEN SALOR-INT L162698-1EA SALOR-INT L132179-1EA hexatroxanone SALOR-INT L160083-1EA SALOR-INT L162744-1EA RARECHEM BW GA 0127 SALOR-INT L161373-1EA 4-Hydroxy-3-mesityl-1-oxaspiro(4.4)non-3-en-2-one CHEMPACIFIC 34059 5-Spiro(N-acetyl-2-oxoindan-3-yl)-[3,4-d]succinic anhydride-N-acetyl-4,5-dihydrobenzo[cd]indol-2(1H)-one RARECHEM AL BI 0305 RARECHEM AL BE 0305 SALOR-INT L160792-1EA SALOR-INT L161144-1EA

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