4-Methyl-1-phenyl-2-pentanone
Synonym(s):Benzyl isobutyl ketone
- CAS NO.：5349-62-2
- Empirical Formula: C12H16O
- Molecular Weight: 176.25
- MDL number: MFCD00015639
- EINECS: 226-316-0
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-03-13 15:00:32
What is 4-Methyl-1-phenyl-2-pentanone?
Description
4-Methyl-l-phenyl-2-pentanone has a sweet, woody, spicy odor. At low levels, it has a sweet and tart, fruity flavor. Prepared by passing phenylacetic acid and isovaleric acid over Th02 catalyst at 450 - 470°C.
Chemical properties
Colorless, oily liquid
Chemical properties
4-Methyl-1-phenyl-2-pentanone has a sweet, woody, spicy odor. At low levels, the flavor is sweet and tart
The Uses of 4-Methyl-1-phenyl-2-pentanone
4-Methyl-1-phenyl-2-pentanone is a volatile flavor and fragrance agent used as a food additive, which gives rise to a woody odour and a sweet/fruity/spicy taste.
The Uses of 4-Methyl-1-phenyl-2-pentanone
Flavoring.
Preparation
By passing phenylacetic acid and isovaleric acid over ThO2 catalyst at 450 to 470°C.
Definition
ChEBI: 4-Methyl-1-phenyl-2-pentanone is a member of benzenes.
Properties of 4-Methyl-1-phenyl-2-pentanone
| Boiling point: | 250-251 °C(lit.) |
| Density | 0.949 g/mL at 25 °C(lit.) |
| refractive index | n |
| FEMA | 2740 | 4-METHYL-1-PHENYL-2-PENTANONE |
| Flash point: | 221 °F |
| storage temp. | under inert gas (nitrogen or Argon) at 2-8°C |
| form | Liquid |
| color | Colorless to light yellow |
| Odor | at 100.00 %. sweet woody fruity spice burnt sugar |
| JECFA Number | 828 |
| CAS DataBase Reference | 5349-62-2(CAS DataBase Reference) |
| NIST Chemistry Reference | Benzyl isobutyl ketone(5349-62-2) |
| EPA Substance Registry System | 2-Pentanone, 4-methyl-1-phenyl- (5349-62-2) |
Safety information for 4-Methyl-1-phenyl-2-pentanone
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for 4-Methyl-1-phenyl-2-pentanone
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