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Isobutyl 2-butenoate

Isobutyl 2-butenoate Basic information
Product Name:Isobutyl 2-butenoate
Synonyms:CROTONIC ACID ISOBUTYL ESTER;ISOBUTYL 2-BUTENOATE;ISOBUTYL CROTONATE;ISOBUTYL TRANS-2-BUTENOATE;FEMA 3432;2-BUTENOIC ACID ISOBUYL ESTER;2-Butenoicacid,2-methylpropylester;Crotonic Acid Isobutyl Ester Isobutyl 2-Butenoate 2-Butenoic Acid Isobuyl Ester
CAS:589-66-2
MF:C8H14O2
MW:142.2
EINECS:209-658-5
Product Categories:
Mol File:589-66-2.mol
Isobutyl 2-butenoate Structure
Isobutyl 2-butenoate Chemical Properties
Boiling point 171 °C(lit.)
density 0.89 g/mL at 25 °C(lit.)
FEMA 3432 | ISOBUTYL 2-BUTENOATE
refractive index n20/D 1.428(lit.)
Fp 131 °F
form clear liquid
Specific Gravity0.89
color Colorless to Almost colorless
Odorat 100.00 %. fruity dry tropical rummy ripe green pear (caramellic is the long drydown)
Odor Typefruity
JECFA Number1206
LogP2.73
CAS DataBase Reference589-66-2(CAS DataBase Reference)
NIST Chemistry Reference2-Butenoic acid, 2-methylpropyl ester(589-66-2)
EPA Substance Registry System2-Butenoic acid, 2-methylpropyl ester (589-66-2)
Safety Information
Hazard Codes Xi
Risk Statements 10-36/37/38
Safety Statements 16-26-36/37/39
RIDADR UN 3272 3/PG 3
WGK Germany 3
HS Code 2916.19.5000
HazardClass 3
PackingGroup III
MSDS Information
ProviderLanguage
SigmaAldrich English
Isobutyl 2-butenoate Usage And Synthesis
DescriptionIsobutyl 2-butenoate has a fruity flavor. It may be prepared by heating the corresponding acid and alcohol with sulfuric acid.
Chemical PropertiesIsobutyl 2-Butenoate has a fruity, powerful odor.
Chemical PropertiesColorless liquid; powerful fruity odor. Soluble in alcohol, propylene glycol, fixed oils; slightly soluble in water.
OccurrenceReported found in grapes, mango and Roman chamomile oil.
UsesFood additive.
PreparationBy heating the corresponding acid and alcohol with sulfuric acid.
Taste threshold valuesTaste characteristics at 20 ppm: waxy, fruity, sweet with apple and pineapple nuances.
Isobutyl 2-butenoate Preparation Products And Raw materials
Raw materials2-Methyl-1-propanol-->Crotonic acid
Preparation Products3,4,4-TRIMETHYLCYCLOPENT-2-ENONE
Isobutyl nitrite Tributyl citrate ISOBUTYL TIGLATE Phenylacetic acid isobutyl ester Maleic acid Isobutyl cinnamate Butyl stearate Isobutyl 2-butenoate Butyl acrylate resin N-BUTYL CINNAMATE Diisobutyl phthalate Fumaric acid Monobutyl maleate trans,trans-2,4-Undecadienal Triisobutyl phosphate Isobutyl acrylate Dibutyl sebacate Crotonic acid
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