Propyl isovalerate
Synonym(s):Propyl 3-methylbutanoate;Propyl 3-methylbutyrate
- CAS NO.：557-00-6
- Empirical Formula: C8H16O2
- Molecular Weight: 144.21
- MDL number: MFCD00048695
- EINECS: 209-148-2
- SAFETY DATA SHEET (SDS)
- Update Date: 2025-12-31 16:09:46
What is Propyl isovalerate?
Chemical properties
Propyl isovalerate has a fruity odor and a bittersweet flavor similar to apple.
Occurrence
Reported found in banana, Gruyere de Comte cheese and jackfruit.
Definition
ChEBI: Propyl 3-methylbutanoate is a fatty acid ester.
Preparation
By prolonged boiling of propyl alcohol with isovaleric acid in benzene in the presence of concentrated H2SO4.
Aroma threshold values
Detection: 8.7 to 33 ppb
Properties of Propyl isovalerate
| Melting point: | -63.35°C (estimate) |
| Boiling point: | 155.8°C |
| Density | 0.862 g/mL at 20 °C(lit.) |
| FEMA | 2960 | PROPYL ISOVALERATE |
| refractive index | n |
| Flash point: | 44 °C |
| Odor | at 100.00 %. bitter sweet apple fruity |
| Odor Threshold | 0.000056ppm |
| JECFA Number | 197 |
| BRN | 1747146 |
| NIST Chemistry Reference | Propyl isovalerate(557-00-6) |
Safety information for Propyl isovalerate
| Signal word | Warning |
| Pictogram(s) |
 Flame Flammables GHS02 |
| GHS Hazard Statements |
H225:Flammable liquids |
| Precautionary Statement Codes |
P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P403+P235:Store in a well-ventilated place. Keep cool. |
Computed Descriptors for Propyl isovalerate
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