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ChemicalBook--->CAS DataBase List--->103-93-5

103-93-5

103-93-5 Structure

103-93-5 Structure
IdentificationBack Directory
[Name]

P-TOLYL ISOBUTYRATE
[CAS]

103-93-5
[Synonyms]

FEMA 3075
p-Tolylisobutyrat
P-TOLYL ISOBUTYRATE
P-CRESYL ISOBUTYRATE
P-CRESOL ISOBUTYRATE
Cresyl-4-isobutyrate
CRESYLISOBUTYRAT-PARA
PARA TOLYL ISOBUTYRATE
PARA CRESYL ISOBUTYRATE
p-methylphenylisobutyrate
p-Methylphenyl isobutyrate
p-Tolyl Isobutyrate
ISOBUTYRIC ACID P-TOLYL ESTER
P-TOLYL ISOBUTYRATE 97+% FCC
4-Methylphenyl 2-methylpropanoate
2-Methylpropionic acid p-tolyl ester
Isobutyric acid 4-methylphenyl ester
2-methyl-propanoicaci4-methylphenylester
Propanoicacid,2-methyl-,4-methylphenylester
2-Methylpropanoic acid 4-methylphenyl ester
2-methylpropionic acid (4-methylphenyl) ester
[EINECS(EC#)]

203-159-6
[Molecular Formula]

C11H14O2
[MDL Number]

MFCD00026440
[MOL File]

103-93-5.mol
[Molecular Weight]

178.23
Chemical PropertiesBack Directory
[Boiling point ]

237 °C(lit.)
[density ]

0.993 g/mL at 25 °C(lit.)
[FEMA ]

3075 | P-TOLYL ISOBUTYRATE
[refractive index ]

n20/D 1.487(lit.)
[Fp ]

205 °F
[solubility ]

insoluble in water, soluble in alcohol and oils
[form ]

clear liquid
[color ]

Colorless to Light yellow
[Odor]

at 1.00 % in dipropylene glycol. animal floral lily narcissus green fruity
[Odor Type]

animal
[JECFA Number]

701
[LogP]

2.89
[Uses]

Flavoring.
[EPA Substance Registry System]

Propanoic acid, 2-methyl-, 4-methylphenyl ester (103-93-5)
Safety DataBack Directory
[WGK Germany ]

2
[RTECS ]

NQ5460000
[HS Code ]

29156000
[Safety Profile]

Moderately toxic by ingestion and skin contact. Combustible liquid. When heated to decomposition it emits acrid smoke and irritating fumes.
[Toxicity]

The acute oral LD50 value in rats was reported as 4 ml/kg (3.53-4.58 ml/kg) and the acute dermal LD50 value in rabbits as 3.97 ml/kg (Levenstein, 1974).
Raw materials And Preparation ProductsBack Directory
[Raw materials]

Isobutyric acid-->p-Cresol
Hazard InformationBack Directory
[Chemical Properties]

p-Tolyl isobutyrate has a very strong, lily-narcissus odor.
[Occurrence]

Has apparently not been reported to occur in nature.
[Definition]

ChEBI: P-Tolyl isobutyrate is a benzoate ester and a member of phenols.
[Preparation]

By esterification of p-cresol with isobutyric acid.
Spectrum DetailBack Directory
[Spectrum Detail]

P-TOLYL ISOBUTYRATE(103-93-5)MS
P-TOLYL ISOBUTYRATE(103-93-5)1HNMR
P-TOLYL ISOBUTYRATE(103-93-5)13CNMR
P-TOLYL ISOBUTYRATE(103-93-5)IR1
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