5-Methylhexanoic acid
- CAS NO.：628-46-6
- Empirical Formula: C7H14O2
- Molecular Weight: 130.18
- MDL number: MFCD00036494
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-09-12 18:53:38
What is 5-Methylhexanoic acid?
Description
5-Methylhexanoic acid has a fermented cheese odor.
Chemical properties
5-Methylhexanoic acid has a fermented cheese odor.
Occurrence
Reported found in heated pork, strawberry, tea, mango and babaco fruit (Carica pentagona Heilborn)
The Uses of 5-Methylhexanoic acid
Ion-exclusion chromatographic separations of C1-C6 aliphatic carboxylic acids on a sulfonated styrene-divinylbenzene co-polymer resin column, high sensitive conductimetric detection is achieved with 5-methylhexanoic acid as eluent.
Definition
ChEBI: 5-methyl-hexanoic acid is a medium-chain fatty acid.
Aroma threshold values
Detection: 4.6 to 27 ppm
Hazard
A reproductive hazard.
Properties of 5-Methylhexanoic acid
| Melting point: | -55.77°C (estimate) |
| Boiling point: | 216°C |
| Density | 0,91 g/cm3 |
| FEMA | 3572 | 5-METHYLHEXANOIC ACID |
| Flash point: | >100°C |
| refractive index | 1.4220 |
| pka | 4.78±0.10(Predicted) |
| Odor | at 10.00 % in propylene glycol. fatty cheese oily fruity |
| Water Solubility | Slightly soluble in water. |
| JECFA Number | 266 |
| CAS DataBase Reference | 628-46-6(CAS DataBase Reference) |
| EPA Substance Registry System | Hexanoic acid, 5-methyl- (628-46-6) |
Safety information for 5-Methylhexanoic acid
| Signal word | Danger |
| Pictogram(s) |
 Corrosion Corrosives GHS05 |
| GHS Hazard Statements |
H314:Skin corrosion/irritation H318:Serious eye damage/eye irritation |
| Precautionary Statement Codes |
P301+P330+P331:IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P405:Store locked up. |
Computed Descriptors for 5-Methylhexanoic acid
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