Product Name: 4-METHYL-2-PHENYL-2-PENTENAL
Synonyms: alpha-(2-methylpropylidene)-benzeneacetaldehyd;4-METHYL-2-PHENYL-2-PENTENAL 88+% &;Benzeneacetaldehyde, .alpha.-(2-methylpropylidene)-;4-methyl-2-phenyl-2-pentenal, (e)+(z);2-Pentenal, 4-methyl-2-phenyl-;4-METHYL-2-PHENYL-2-
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
Sensitive Air Sensitive
JECFA Number 1473
BRN 2042583
CAS DataBase Reference 26643-91-4(CAS DataBase Reference)
EPA Substance Registry System Benzeneacetaldehyde, .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
Provider Language
SigmaAldrich English
ALFA English
4-METHYL-2-PHENYL-2-PENTENAL Usage And Synthesis
Description 4-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 Properties 4-Methyl-2-phenyl-2-pentenal has a cocoa aroma. It is often used in chocolate and cocoa-type flavors.
Occurrence Reported found in baked and fried potato, peppermint oil, cocoa, black tea, roasted filberts, potato chips, sesame seed and malt
Preparation By aldolic condensation of the corresponding aldehydes in the presence of a basic catalyst
Taste threshold values Taste characteristics at 20 ppm: floral, sweet, waxy and cocoa-like with a honey nuance
China
