4-Methylthio-2-butanone
Synonym(s):potato butanone
- CAS NO.：34047-39-7
- Empirical Formula: C5H10OS
- Molecular Weight: 118.2
- MDL number: MFCD00040029
- EINECS: 251-810-8
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-08-28 09:47:23
What is 4-Methylthio-2-butanone?
Description
4-(Methylthio)-2-butanone has a flavor like arrowhead. It is sweet, sulfurous, and fruity. May be prepared from methylvinyl ketone and methylmercaptan; from methylvinyl ketone and methyl-Ws (methy lthio)aluminum.
Chemical properties
Colorless liquid
Chemical properties
4-Methylthio-2-butanone has a flavor similar to arrowhead: sweet, sulfurous and fruity
Occurrence
Reported found in kohlrabi.
Preparation
From methylvinyl ketone and methylmercaptan; from methylvinyl ketone and methyl-bis (methylthio)aluminum.
Definition
ChEBI: 4-(Methylthio)-2-butanone is a ketone.
Taste threshold values
Taste characteristics at 15 ppm: sulfureous, potato, earthy, vegetative, fatty, fishy, metallic and mushroom.
Properties of 4-Methylthio-2-butanone
| Boiling point: | 105-107 °C/55 mmHg (lit.) |
| Density | 1.003 g/mL at 25 °C (lit.) |
| refractive index | n |
| FEMA | 3375 | 4-(METHYLTHIO)-2-BUTANONE |
| Flash point: | 162 °F |
| Odor | at 0.10 % in dipropylene glycol. sweet sulfurous vegetable potato earthy tomato |
| JECFA Number | 497 |
| CAS DataBase Reference | 34047-39-7(CAS DataBase Reference) |
| EPA Substance Registry System | 2-Butanone, 4-(methylthio)- (34047-39-7) |
Safety information for 4-Methylthio-2-butanone
| Signal word | Warning |
| GHS Hazard Statements |
H227:Flammable liquids |
| Precautionary Statement Codes |
P403+P235:Store in a well-ventilated place. Keep cool. |
Computed Descriptors for 4-Methylthio-2-butanone
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