4-(4-Methoxyphenyl)-2-butanone

4-(4-Methoxyphenyl)-2-butanone Basic information
Product Name:4-(4-Methoxyphenyl)-2-butanone
Synonyms:2-Butanone, 4-(p-methoxyphenyl)-;4-(4-;4-(4-methoxyphenyl)-2-butanon;4-(4-methoxyphenyl)butan-2;4-(P-METHOXYPHENYL)-2-BUTANONE 98+% F&;P-METHOXY PHENYL BUTANONE;RASPBERRYKETONEMETHYLESTER;4-(PARA-METHOXYPHENYL)BUTAN-2-ONE
CAS:104-20-1
MF:C11H14O2
MW:178.23
EINECS:203-184-2
Product Categories:Miscellaneous;ketone;Aromatic Ketones (substituted)
Mol File:104-20-1.mol
4-(4-Methoxyphenyl)-2-butanone Structure
4-(4-Methoxyphenyl)-2-butanone Chemical Properties
Melting point 8 °C (lit.)
Boiling point 152-153 °C/15 mmHg (lit.)
density 1.046 g/mL at 25 °C (lit.)
vapor pressure 9-2000Pa at 20-115℃
refractive index n20/D 1.519(lit.)
FEMA 2672 | 4-(P-METHOXYPHENYL)-2-BUTANONE
Fp >230 °F
storage temp. Sealed in dry,Room Temperature
solubility Chloroform (Slightly), Methanol (Slightly)
form Oil
color A colourless oily liquid with a sweet floral odour
Odorat 100.00 %. sweet dried raspberry rose cherry fruity cassie absolute
Odor Typeberry
Water Solubility Not miscible in water.
JECFA Number818
BRN 1869592
LogP2 at 23.1℃
CAS DataBase Reference104-20-1(CAS DataBase Reference)
NIST Chemistry Reference2-Butanone, 4-(4-methoxyphenyl)-(104-20-1)
EPA Substance Registry System2-Butanone, 4-(4-methoxyphenyl)- (104-20-1)
Safety Information
Hazard Codes Xi
Risk Statements 36/37/38
Safety Statements 23-24/25
WGK Germany 2
RTECS EL9085500
TSCA Yes
HS Code 29145090
toxicityBoth the acute oral LD50 value in rats and the acute dermal LD50 value in rabbits exceeded 5 g/kg (Russell, 1973)
MSDS Information
ProviderLanguage
Anisylacetone English
SigmaAldrich English
ACROS English
ALFA English
4-(4-Methoxyphenyl)-2-butanone Usage And Synthesis
Description4-(p-Methoxyphenyl)-2-butanone has an intensely sweet, floral, fruity odor and a cherry-raspberry flavor at low concentrations. May be prepared by condensing acetone with anisaldehyde to yield anisylidene acetone and subsequent hydrogenation in the presence of Pd catalyst.
Chemical Propertiesclear colourless to pale yellow liquid
Chemical Properties4-(p-Methoxyphenyl)-2-butanone has an intensely sweet, floral,fruity odor and cherry–raspberry flavor at low concentrations.
OccurrenceContained (approximately 53% level) in the odorous principle obtained by extraction and hydrolysis from aloe wood (Aquilaria algallocha Roxb.) and in anise.
UsesIn insect attractants, organic synthesis, flavoring.
Uses4-(4-Methoxyphenyl)-2-butanone is used as pharmaceutical intermediate.
PreparationBy condensing acetone with anisaldehyde to yield anisylidene acetone and subsequent hydrogenation in the presence of Pd catalyst.
DefinitionChEBI: 4-(4-Methoxyphenyl)-2-butanone is a member of methoxybenzenes.
Aroma threshold valuesAroma characteristics at 5.0%: sweet, fruity, woody, powdery, honey, vanilla, raspberry and ionone-like.
Taste threshold valuesTaste characteristics at 40 ppm: floral, woody, ionone, raspberry, fruity, spice and berry.
Synthesis Reference(s)Tetrahedron Letters, 33, p. 951, 1992 DOI: 10.1016/S0040-4039(00)91585-5
Safety ProfileLow oral and skin toxicity. A flammable liquid. When heated to decomposition it emits acrid smoke and irritating fumes.
4-(4-Methoxyphenyl)-2-butanone Preparation Products And Raw materials
Raw materials7-Methoxy-2-tetralone
Preparation ProductsBenzenepropanol, 4-methoxy-α,α-dimethyl-
Piperonyl acetone 1,4-Bis(4-methoxyphenyl)-1-butanone,1,4-Bis(4-methoxyphenyl)-1-butanone Methyl 4-Methoxy-4-(4-methoxyphenyl)-2-butanone,4-Methoxy-4-(4-methoxyphenyl)-2-butanone 4-METHOXY-2',4',6'-TRIHYDROXYDIHYDROCHALCONE 6,7-Dimethoxy-2-tetralone 2',6'-DIHYDROXY-4,4'-DIMETHOXYDIHYDROCHALCONE Phenylacetone 5,7-DIHYDROXY-3',4',5'-TRIMETHOXYFLAVANONE Anise oil [R,(-)]-3-(p-Methoxyphenyl)-2-butanone,[R,(-)]-3-(p-Methoxyphenyl)-2-butanone RASPBERRY HESPERETIN DIHYDROCHALCONE (+-) 1-BROMO-2-METHYLBUTANE 95 4-(3,6-Dihydro-4-phenylpyridin-1(2H)-yl)-1-(4-methoxyphenyl)-1-butanone,4-(3,6-Dihydro-4-phenylpyridin-1(2H)-yl)-1-(4-methoxyphenyl)-1-butanone 4-(4-Acetoxyphenyl)-2-butanone 4'-METHOXYFLAVANONE Raspberry leaf

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