1-(methyl thio)-1-butene
1-butenyl methyl sulfide
Identification
| Name | 1-(methyl thio)-1-butene |
| CAS Number | 32951-19-2 |
| FDA UNII | PI166QHN3H |
| Molecular Formula | C5 H10 S |
| Molecular Weight | 102.19970000 |
Regulatory
| JECFA Food Flavoring | 457 (1-buten-1-yl) methyl sulfide |
| DG SANTE Food Flavourings | 12.211 but-1-enyl methyl sulphide |
| FEMA Number | 3820 |
| FDA | No longer provide for the use of these seven synthetic flavoring substances |
| FDA Mainterm (SATF) | 32951-19-2 ; 1-BUTEN-1-YL METHYL SULFIDE |
Physical Properties
| Appearance | pale yellow clear liquid (est) |
| Assay | 98.00 to 100.00 sum of isomers |
| Food Chemicals Codex Listed | No |
| Specific Gravity | 0.94300 to 0.94800 @ 25.00 °C. |
| Pounds per Gallon - (est). | 7.847 to 7.888 |
| Refractive Index | 1.39300 to 1.41300 @ 20.00 °C. |
| Boiling Point | 123.00 to 125.00 °C. @ 760.00 mm Hg |
| Vapor Pressure | 13.088000 mmHg @ 25.00 °C. (est) |
| Flash Point | 75.00 °F. TCC ( 23.90 °C. ) (est) |
| logP (o/w) | 2.916 (est) |
| Soluble in | alcohol |
| Insoluble in | water |
Organoleptic Properties
| Odor Description | sulfurous |
Safety Information
| Oral/Parenteral Toxicity | Not determined |
| Dermal Toxicity | Not determined |
| Inhalation Toxicity | Not determined |
GHS Classification
['GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)', 'GHS Label elements, including precautionary statements']
Safety in Use
| Category | flavoring agents |
| Recommendation for 1-(methyl thio)-1-butene usage levels up to | not for fragrance use. |
| Maximised Survey-derived Daily Intakes (MSDI-EU) | ND (μg/capita/day) |
| Structure Class | I |
| baked goods | 0.06000 |
| beverages(nonalcoholic) | 0.20000 |
| beverages(alcoholic) | - |
| breakfast cereal | - |
| cheese | - |
| chewing gum | - |
| condiments / relishes | - |
| confectionery froastings | - |
| egg products | - |
| fats / oils | 0.01000 |
| fish products | - |
| frozen dairy | - |
| fruit ices | - |
| gelatins / puddings | 0.10000 |
| granulated sugar | - |
| gravies | 0.10000 |
| hard candy | - |
| imitation dairy | - |
| instant coffee / tea | - |
| jams / jellies | - |
| meat products | 0.40000 |
| milk products | - |
| nut products | - |
| other grains | - |
| poultry | - |
| processed fruits | - |
| processed vegetables | - |
| reconstituted vegetables | - |
| seasonings / flavors | 5.00000 |
| snack foods | - |
| soft candy | - |
| soups | - |
| sugar substitutes | - |
| sweet sauces | - |
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Potential Uses
Natural Occurrence
Synonyms
but-1-en-1-yl methyl sulfide
but-1-enyl methyl sulphide
1-
buten-1-yl methyl sulfide
(1-
buten-1-yl) methyl sulfide
1-
butene, 1-(methylthio)-
1-
butenyl methyl sulfide
(1-
butenyl-1)methylsulphide
1-(
methylsulfanyl)but-1-ene
1-
methylsulfanylbut-1-ene
1-(
methylthio)-1-butene
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