| 4-Methylthio-2-butanone Basic information |
| Product Name: | 4-Methylthio-2-butanone |
| Synonyms: | 4-(methylthio)-2-butanon;FEMA 3375;4-(METHYLMERCAPTO)-2-BUTANONE;4-METHYLTHIO-2-BUTANONE;4-(METHYLTHIO)BUTAN-2-ONE;4-METHYLTHIO-2-BUTANONE 97+%;2-Butanone, 4-(methylthio)- (6CI,7CI,8CI,9CI);4-(Methylthio)-2-butanone,98% |
| CAS: | 34047-39-7 |
| MF: | C5H10OS |
| MW: | 118.2 |
| EINECS: | 251-810-8 |
| Product Categories: | Alphabetical Listings;Flavors and Fragrances;ACETYLGROUP;sulfide Flavor;M-N |
| Mol File: | 34047-39-7.mol |
| 4-Methylthio-2-butanone Chemical Properties |
| 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 |
| Fp | 162 °F |
| 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 |
| Risk Statements | 10 |
| Safety Statements | 16-24/25 |
| RIDADR | 1224 |
| WGK Germany | 3 |
| TSCA | Yes |
| HS Code | 29309090 |
| MSDS Information |
| Provider | Language |
|---|---|
| SigmaAldrich | English |
| ALFA | English |
| 4-Methylthio-2-butanone Usage And Synthesis |
| 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 | 4-Methylthio-2-butanone has a flavor similar to arrowhead: sweet, sulfurous and fruity |
| Chemical Properties | Colorless liquid |
| Occurrence | Reported found in kohlrabi. |
| Preparation | From methylvinyl ketone and methylmercaptan; from methylvinyl ketone and methyl-bis (methylthio)aluminum. |
| Taste threshold values | Taste characteristics at 15 ppm: sulfureous, potato, earthy, vegetative, fatty, fishy, metallic and mushroom. |
| 4-Methylthio-2-butanone Preparation Products And Raw materials |
| Raw materials | Sodium thiomethoxide-->4,4-bis(methylthio)but-3-en-2-one-->4-CHLORO-2-BUTANONE-->4-Methylthio-4-methyl-2-pentanone-->Methyl vinyl ketone-->METHYL MERCAPTAN-->Formaldehyde-->Acetone |
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