gamma-thiobutyrolactone
2-oxothiolane
Identification
| Name | gamma-thiobutyrolactone |
| IUPAC | thiolan-2-one |
| CAS Number | 1003-10-7 |
| EINECS | 213-700-8 |
| FDA UNII | A3ERZ734SN |
| Molecular Formula | C4 H6 O S |
| Molecular Weight | 102.15602000 |
| MDL Number | MFCD00005479 |
| Nikkaji Number | J36.541F |
| Beilstein | 0105273 |
Regulatory
| JECFA Food Flavoring | 1923 2-oxothiolane |
| FEMA Number | 4570 |
| FDA | No longer provide for the use of these seven synthetic flavoring substances |
| FDA Mainterm (SATF) | 1003-10-7 ; 2-OXOTHIOLANE |
Physical Properties
| Appearance | colorless to yellow clear liquid (est) |
| Assay | 95.00 to 100.00 |
| Food Chemicals Codex Listed | No |
| Specific Gravity | 1.17500 to 1.18500 @ 20.00 °C. |
| Pounds per Gallon - (est). | 9.789 to 9.872 |
| Refractive Index | 1.51800 to 1.52800 @ 20.00 °C. |
| Boiling Point | 195.00 to 197.00 °C. @ 760.00 mm Hg, 39.00 to 40.00 °C. @ 1.00 mm Hg |
| Vapor Pressure | 0.380000 mmHg @ 25.00 °C. (est) |
| Flash Point | 189.00 °F. TCC ( 87.22 °C. ) |
| logP (o/w) | 1.039 (est) |
| Soluble in | alcohol |
| Insoluble in | water |
Organoleptic Properties
| Odor Description | at 0.01 % in propylene glycol. |
| Taste Description | burnt chemical |
Safety Information
| Preferred SDS | View |
| European information | Most important hazard(s): |
| Oral/Parenteral Toxicity | intraperitoneal-mouse LD50 199 mg/kg |
| 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 gamma-thiobutyrolactone usage levels up to | not for fragrance use. |
| baked goods | 0.00200 |
| beverages(nonalcoholic) | 0.00030 |
| beverages(alcoholic) | - |
| breakfast cereal | - |
| cheese | - |
| chewing gum | 0.02000 |
| condiments / relishes | - |
| confectionery froastings | - |
| egg products | - |
| fats / oils | 0.02000 |
| fish products | - |
| frozen dairy | 0.00060 |
| fruit ices | - |
| gelatins / puddings | - |
| granulated sugar | - |
| gravies | - |
| hard candy | 0.00200 |
| 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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Potential Uses
Natural Occurrence
Synonyms
4-
butyrothiolactone
dihydro-2-(3H)-thiophenone
dihydro-2(3H)-thiophenone
dihydro-thiophen-2-one
dihydrothiophen-2(3H)-one
tetrahydro-2-thiophenone
2-oxo
tetrahydrothiophene
thiacyclopentan-2-one
4-
thiobutyrolactone
g-
thiobutyrolactone
thiolan-2-one
2-oxo
thiolane
2(3H)-
thiophenone, dihydro-
2-
thiophenone, tetrahydro-
2(3H)-
thiophenone,dihydro-
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