2,3-butane dithiol
2,3-butanedithiol
Identification
| Name | 2,3-butane dithiol |
| IUPAC | butane-2,3-dithiol |
| CAS Number | 4532-64-3 |
| EINECS | 224-870-8 |
| FDA UNII | 69G298U39K |
| Molecular Formula | C4 H10 S2 |
| Molecular Weight | 122.25370000 |
| MDL Number | MFCD00010024 |
| Nikkaji Number | J236.279A |
| CoE Number | 725 |
Regulatory
| JECFA Food Flavoring | 539 2,3-butanedithiol |
| DG SANTE Food Flavourings | 12.022 butane-2,3-dithiol |
| FEMA Number | 3477 |
| FDA | No longer provide for the use of these seven synthetic flavoring substances |
| FDA Mainterm (SATF) | 4532-64-3 ; 2,3-BUTANEDITHIOL |
Physical Properties
| Appearance | colorless clear liquid (est) |
| Assay | 99.00 to 100.00 |
| Food Chemicals Codex Listed | No |
| Specific Gravity | 1.03000 to 1.03400 @ 20.00 °C. |
| Pounds per Gallon - (est). | 8.581 to 8.614 |
| Refractive Index | 1.51800 to 1.52200 @ 20.00 °C. |
| Boiling Point | 86.00 to 87.00 °C. @ 50.00 mm Hg, 69.00 to 70.00 °C. @ 28.00 mm Hg |
| Vapor Pressure | 2.149000 mmHg @ 25.00 °C. (est) |
| Flash Point | 126.00 °F. TCC ( 52.22 °C. ) |
| logP (o/w) | 2.004 (est) |
| Soluble in | alcohol |
| Insoluble in | water |
Organoleptic Properties
| Odor Description |
at 0.10 % in propylene glycol. Sulfureous, meaty and alliaceous with a coffee nuance
|
| Taste Description | Sulfureous, fatty and roast beef-Iike with egg, salami and pork nuances |
Safety Information
| Preferred SDS | View |
| European information | Most important hazard(s): |
| 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 2,3-butane dithiol usage levels up to | not for fragrance use. |
| Maximised Survey-derived Daily Intakes (MSDI-EU) | 0.049 (μg/capita/day) |
| NOEL (No Observed Effect Level) | 0.7 (mg/kg bw per day) |
| Structure Class | I |
| baked goods | - |
| beverages(nonalcoholic) | - |
| beverages(alcoholic) | - |
| breakfast cereal | - |
| cheese | - |
| chewing gum | - |
| condiments / relishes | - |
| confectionery froastings | - |
| egg products | - |
| fats / oils | - |
| fish products | - |
| frozen dairy | - |
| fruit ices | - |
| gelatins / puddings | - |
| granulated sugar | - |
| gravies | - |
| hard candy | - |
| imitation dairy | - |
| instant coffee / tea | - |
| jams / jellies | - |
| meat products | - |
| milk products | - |
| nut products | - |
| other grains | - |
| poultry | - |
| processed fruits | - |
| processed vegetables | - |
| reconstituted vegetables | - |
| seasonings / flavors | - |
| snack foods | - |
| soft candy | - |
| soups | - |
| sugar substitutes | - |
| sweet sauces | - |
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