4-Methylthio-4-methyl-2-pentanone
Synonym(s):cassis pentanone
- CAS NO.：23550-40-5
- Empirical Formula: C7H14OS
- Molecular Weight: 146.25
- MDL number: MFCD00049253
- EINECS: 245-727-6
- SAFETY DATA SHEET (SDS)
- Update Date: 2025-07-16 09:55:37
What is 4-Methylthio-4-methyl-2-pentanone?
Description
Prepared from mesityl oxide by addition of methyl sulfide; from acetone and methyl-6w(methylthio)aluminum.
Preparation
From mesityl oxide by addition of methyl sulfide; from acetone and methyl-bis(methylthio) aluminum
Definition
ChEBI: 4-Methyl-4-(methylthio)-2-pentanone is a ketone.
Taste threshold values
Taste characteristics at 25 ppm: green, sulfurous, metallic, horseradish, cabbage, vegetative and herbal nuances
Properties of 4-Methylthio-4-methyl-2-pentanone
| Boiling point: | 78 °C15 mm Hg(lit.) |
| Density | 0.964 g/mL at 25 °C(lit.) |
| refractive index | n |
| FEMA | 3376 | 4-(METHYLTHIO)-4-METHYL-2-PENTANONE |
| Flash point: | >230 °F |
| form | clear liquid |
| color | Colorless to Light yellow |
| Specific Gravity | 0.964 |
| Odor | at 0.10 % in dipropylene glycol. sulfury green metallic musty rooty fruity tropical black currant |
| JECFA Number | 500 |
| CAS DataBase Reference | 23550-40-5(CAS DataBase Reference) |
| EPA Substance Registry System | 2-Pentanone, 4-methyl-4-(methylthio)- (23550-40-5) |
Safety information for 4-Methylthio-4-methyl-2-pentanone
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H227:Flammable liquids |
| Precautionary Statement Codes |
P403+P235:Store in a well-ventilated place. Keep cool. |
Computed Descriptors for 4-Methylthio-4-methyl-2-pentanone
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