Caproic acid propyl ester
Synonym(s):n-Propyl hexanoate;Caproic acid propyl ester;Propyl caproate
- CAS NO.：626-77-7
- Empirical Formula: C9H18O2
- Molecular Weight: 158.24
- MDL number: MFCD00053803
- EINECS: 210-963-0
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-13 11:14:12
What is Caproic acid propyl ester?
Chemical properties
Colorless liquid
Chemical properties
n-Propyl hexanoate has an ether-like odor with a pineapple–blackberry undertone. It has a sweet, fruity flavor of blackberry and plum.
The Uses of Caproic acid propyl ester
n-Propyl hexanoate is a solvent for polar compounds and a fragrance used to replicate fruit scents and as.
What are the applications of Application
n-Propyl hexanoate is a solvent for polar compounds and a fragrance used to replicate fruit scents and as
Definition
ChEBI: A hexanoate ester obtained by the formal condensation of the carboxy group of hexanoic acid (caproic acid) with propan-1-ol.
Preparation
By esterification of hexanoic acid with propyl alcohol in benzene solution in the presence of p-toluenesulfonic acid.
Taste threshold values
Taste characteristics at 50 ppm: pineapple, fruity, sweet, tropical, fresh green and juicy.
Properties of Caproic acid propyl ester
| Melting point: | -69 °C (lit.) |
| Boiling point: | 187 °C (lit.) |
| Density | 0.867 g/mL at 25 °C (lit.) |
| refractive index | n |
| FEMA | 2949 | PROPYL HEXANOATE |
| Flash point: | 125 °F |
| storage temp. | Sealed in dry,Room Temperature |
| solubility | Almost insoluble in water, soluble in alcohol and oils. |
| form | clear liquid |
| color | Colorless to Almost colorless |
| Odor | at 10.00 % in dipropylene glycol. sweet fruity juicy pineapple green tropical |
| JECFA Number | 161 |
| CAS DataBase Reference | 626-77-7(CAS DataBase Reference) |
| NIST Chemistry Reference | Propyl caproate(626-77-7) |
| EPA Substance Registry System | Propyl hexanoate (626-77-7) |
Safety information for Caproic acid propyl ester
| Signal word | Warning |
| Pictogram(s) |
 Flame Flammables GHS02 |
| GHS Hazard Statements |
H226:Flammable liquids |
| Precautionary Statement Codes |
P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P240:Ground/bond container and receiving equipment. P241:Use explosion-proof electrical/ventilating/lighting/…/equipment. P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. |
Computed Descriptors for Caproic acid propyl ester
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