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1733-25-1

1733-25-1 Structure

1733-25-1 Structure
IdentificationBack Directory
[Name]

Isopropyl tiglate
[CAS]

1733-25-1
[Synonyms]

FEMA 3229
ISOPROPYL TIGLATE
ISOPROPYL TIGLATE 98+%
isopropyl 2-methylcrotonate
Isopropyl tiglate USP/EP/BP
isopropyl2-methyl-2-butenoate
Isopropyl 2-methyl-2-butenoate
isopropylalpha-methylcrotonate
(E)-Isopropyl 2-methylbutenoate
propan-2-yl 3-methylbut-2-enoate
Isopropyl alpha-methyl crotonate
Isopropyl (2E)-2-methyl-2-butenoate
3-methylbut-2-enoic acid isopropyl ester
2-Methyl-2-butenoic acid isopropyl ester
2-BUTENOICACID,2-METHYL-,1-ISOPROPYLESTER
2-methyl-,1-isopropylester,(e)-2-butenoicaci
2-Butenoicacid, 2-methyl-, propyl ester, (E)-
2-methyl-,1-methylethylester,(e)-2-butenoicaci
2-Butenoic acid, 2-methyl, 1-isopropyl ester (E)-
2-Butenoic acid, 2-methyl-, 1-methylethyl ester, (E)-
2-Butenoic acid, 2-Methyl-, 1-Methylethyl ester, (2E)-
[EINECS(EC#)]

217-067-9
[Molecular Formula]

C8H14O2
[MDL Number]

MFCD00016631
[MOL File]

1733-25-1.mol
[Molecular Weight]

142.2
Chemical PropertiesBack Directory
[Boiling point ]

199.78°C (rough estimate)
[density ]

0.896 g/mL at 25 °C(lit.)
[FEMA ]

3229 | ISOPROPYL TIGLATE
[refractive index ]

n20/D 1.431(lit.)
[Fp ]

123 °F
[Odor]

at 1.00 % in dipropylene glycol. sweet mint green vegetable spice
[Odor Type]

minty
[JECFA Number]

312
[LogP]

2.75
[CAS DataBase Reference]

1733-25-1
[NIST Chemistry Reference]

Isopropyl tiglate(1733-25-1)
[EPA Substance Registry System]

2-Butenoic acid, 2-methyl-, 1-methylethyl ester, (2E)-(1733-25-1)
Safety DataBack Directory
[Hazard Codes ]

Xi
[Risk Statements ]

10-36/37/38
[Safety Statements ]

16-26-36
[RIDADR ]

UN 3272 3/PG 3
[WGK Germany ]

2
[RTECS ]

EM9254500
Hazard InformationBack Directory
[Description]

Isopropyl tiglate is sweet, minty. It may be prepared by photolysis of 2,2,5,5-tetramethyldihydro-3-furanone in methanol; also by esterification of 3-methyl-2-butenoic acid with isopropyl alcohol in the presence of concentrated sulfuric acid.
[Chemical Properties]

Isopropyl tiglate has a sweet, minty odor
[Definition]

ChEBI:Isopropyl tiglate is a fatty acid ester.
[Preparation]

By photolysis of 2,2,5,5-tetramethyldihydro-3-furanone in methanol; also by esterification of 3-methyl-2-butenoic acid with isopropyl alcohol in the presence of concentrated sulfuric acid.
[Taste threshold values]

Taste characteristics at 30 ppm: green, minty and vegetative.
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