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| CAS No.: | 103-93-5 |
|---|---|
| Name: | P-TOLYL ISOBUTYRATE |
| Article Data: | 3 |
| Molecular Structure: | |
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| Formula: | C11H14 O2 |
| Molecular Weight: | 178.231 |
| Synonyms: | Isobutyricacid, p-tolyl ester (8CI); 2-Methylpropanoic acid 4-methylphenyl ester;p-Cresyl isobutyrate; p-Methylphenyl isobutyrate; p-Tolyl isobutyrate |
| Density: | 1.008g/cm3 |
| Boiling Point: | 243.9°Cat760mmHg |
| Flash Point: | 93.8°C |
| Safety: | Moderately toxic by ingestion and skin contact. Combustible liquid. When heated to decomposition it emits acrid smoke and irritating fumes. |
| PSA: | 26.30000 |
| LogP: | 2.55640 |
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Chemistry
IUPAC Name: (4-Methylphenyl) 2-methylpropanoate
Synonyms: 2-Methyl-propanoicaci4-methylphenylester ; 4-Methylphenyl 2-methylpropanoate ; P-methylphenyl isobutyrate ; P-Methylphenylisobutyrate ; Propanoicacid,2-methyl-,4-methylphenylester ; p-Tolyl isobutyrate ; P-cresyl isobutyrate ; P-cresol isobutyrate
CAS NO: 103-93-5
Molecular Formula: C11H14O2
Molecular Weight: 178.23
Molecular Structure:.gif)
EINECS: 203-159-6
FEMA : 3075
Product Categories: Organics
Mol File: 103-93-5.mol
Index of Refraction: 1.496
Surface Tension: 32.9 dyne/cm
Density: 1.008 g/cm3
Flash Point: 93.8 °C
Enthalpy of Vaporization: 48.1 kJ/mol
Boiling Point: 243.9 °C at 760 mmHg
Vapour Pressure: 0.0312 mmHg at 25°C
Appearance: p-Tolyl isobutyrate (CAS NO.103-93-5) is colorless liquid, which has a special fruit aroma.
Solubility: p-Tolyl isobutyrate (CAS NO.103-93-5) is miscible in ethanol, soluble in fat, insoluble in water.
Uses
1. p-Tolyl isobutyrate (CAS NO.103-93-5) is used as spices, mainly for the preparation of a variety of fruit flavor, the dosage is minimal.
2. p-Tolyl isobutyrate (CAS NO.103-93-5) is used for a strong floral flavor.
Production
p-Tolyl isobutyrate (CAS NO.103-93-5) can be obtained from esterification of p-cresol and isobutyric acid.
Toxicity Data With Reference
| 1. | orl-rat LD50:4000 mg/kg | FCTXAV Food and Cosmetics Toxicology. 13 (1975),773. | ||
| 2. | skn-rbt LD50:3970 mg/kg | FCTXAV Food and Cosmetics Toxicology. 13 (1975),773. |
Consensus Reports
Reported in EPA TSCA Inventory.
Safety Profile
Moderately toxic by ingestion and skin contact. Combustible liquid. When heated to decomposition it emits acrid smoke and irritating fumes.
WGK Germany 2
RTECS NQ5460000