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ChemicalBook--->CAS DataBase List--->589-66-2

589-66-2

589-66-2 Structure

589-66-2 Structure
IdentificationMore
[Name]

Isobutyl 2-butenoate
[CAS]

589-66-2
[Synonyms]

2-BUTENOIC ACID ISOBUYL ESTER
CROTONIC ACID ISOBUTYL ESTER
FEMA 3432
ISOBUTYL 2-BUTENOATE
ISOBUTYL CROTONATE
ISOBUTYL TRANS-2-BUTENOATE
2-Butenoicacid,2-methylpropylester
Isobutyl (2E)-2-butenoate
ISOBUTYL TRANS-2-BUTENOATE 98+% FCC
[EINECS(EC#)]

209-658-5
[Molecular Formula]

C8H14O2
[MDL Number]

MFCD00036651
[Molecular Weight]

142.2
[MOL File]

589-66-2.mol
Chemical PropertiesBack Directory
[Appearance]

Colorless liquid; powerful fruity odor. Soluble in alcohol, propylene glycol, fixed oils; slightly soluble in water.
[Boiling point ]

171 °C(lit.)
[density ]

0.89 g/mL at 25 °C(lit.)
[FEMA ]

3432
[refractive index ]

n20/D 1.428(lit.)
[Fp ]

131 °F
[form ]

clear liquid
[color ]

Colorless to Almost colorless
[Specific Gravity]

0.89
[Odor]

at 100.00 %. fruity dry tropical rummy ripe green pear (caramellic is the long drydown)
[Odor Type]

fruity
[JECFA Number]

1206
[LogP]

2.73
[Uses]

Food additive.
[CAS DataBase Reference]

589-66-2(CAS DataBase Reference)
[NIST Chemistry Reference]

2-Butenoic acid, 2-methylpropyl ester(589-66-2)
[EPA Substance Registry System]

2-Butenoic acid, 2-methylpropyl ester (589-66-2)
Safety DataBack Directory
[Hazard Codes ]

Xi
[Risk Statements ]

R10:Flammable.
R36/37/38:Irritating to eyes, respiratory system and skin .
[Safety Statements ]

S16:Keep away from sources of ignition-No smoking .
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
[RIDADR ]

UN 3272 3/PG 3
[WGK Germany ]

3
[HS Code ]

2916.19.5000
[HazardClass ]

3
[PackingGroup ]

III
Raw materials And Preparation ProductsBack Directory
[Raw materials]

2-Methyl-1-propanol-->Crotonic acid
[Preparation Products]

3,4,4-TRIMETHYLCYCLOPENT-2-ENONE
Hazard InformationBack Directory
[Description]

Isobutyl 2-butenoate has a fruity flavor. It may be prepared by heating the corresponding acid and alcohol with sulfuric acid.
[Chemical Properties]

Colorless liquid; powerful fruity odor. Soluble in alcohol, propylene glycol, fixed oils; slightly soluble in water.
[Chemical Properties]

Isobutyl 2-Butenoate has a fruity, powerful odor.
[Occurrence]

Reported found in grapes, mango and Roman chamomile oil.
[Preparation]

By heating the corresponding acid and alcohol with sulfuric acid.
[Taste threshold values]

Taste characteristics at 20 ppm: waxy, fruity, sweet with apple and pineapple nuances.
Well-known Reagent Company Product InformationBack Directory
[Sigma Aldrich]

589-66-2(sigmaaldrich)
[TCI AMERICA]

Crotonic Acid Isobutyl Ester,>98.0%(GC)(589-66-2)
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