2-thienyl mercaptan
2-thienylmercaptan
Identification
| Name | 2-thienyl mercaptan |
| IUPAC | thiophen-2-ylmethanethiol |
| CAS Number | 6258-63-5 |
| EINECS | 228-394-1 |
| FDA UNII | 9JML279XS6 |
| Molecular Formula | C5 H6 S2 |
| Molecular Weight | 130.23282000 |
| MDL Number | MFCD00107135 |
| Nikkaji Number | J100.416F |
| XlogP3 | 1.80 (est) |
Regulatory
| DG SANTE Food Flavourings | 15.108 2-thiophenemethanethiol |
| FEMA Number | 3258 |
| FDA | No longer provide for the use of these seven synthetic flavoring substances |
Physical Properties
| Appearance | colorless to pale yellow clear liquid (est) |
| Assay | 95.00 to 100.00 |
| Food Chemicals Codex Listed | No |
| Specific Gravity | 1.25000 to 1.23500 @ 25.00 °C. |
| Pounds per Gallon - (est). | 10.401 to 10.276 |
| Refractive Index | 1.61800 to 1.63200 @ 20.00 °C. |
| Boiling Point | 166.00 °C. @ 760.00 mm Hg |
| Vapor Pressure | 0.463000 mmHg @ 25.00 °C. (est) |
| Flash Point | 177.00 °F. TCC ( 80.56 °C. ) |
| logP (o/w) | 2.334 (est) |
| Soluble in | alcohol |
| Insoluble in | water |
| Similar Items | note |
Organoleptic Properties
| Odor Description | at 0.10 % in propylene glycol. |
| Taste Description | sulfurous, mercaptan coffee |
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-thienyl mercaptan usage levels up to | not for fragrance use. |
| Maximised Survey-derived Daily Intakes (MSDI-EU) | 0.0073 (μg/capita/day) |
| Modified Theoretical Added Maximum Daily Intake (mTAMDI) | 78 (μg/person/day) |
| Threshold of Concern | 90 (μg/person/day) |
| Structure Class | III |
| 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 | - |
| Dairy products, excluding products of category 02.0 (01.0) | 0.20000 |
| Fats and oils, and fat emulsions (type water-in-oil) (02.0) | 0.10000 |
| Edible ices, including sherbet and sorbet (03.0) | 0.20000 |
| Processed fruit (04.1) | 0.20000 |
| Processed vegetables (incl. mushrooms & fungi, roots & tubers, pulses and legumes), and nuts & seeds (04.2) | - |
| Confectionery (05.0) | 0.20000 |
| Chewing gum (05.3) | - |
| Cereals and cereal products, incl. flours & starches from roots & tubers, pulses & legumes, excluding bakery (06.0) | 0.10000 |
| Bakery wares (07.0) | 0.20000 |
| Meat and meat products, including poultry and game (08.0) | 0.10000 |
| Fish and fish products, including molluscs, crustaceans and echinoderms (MCE) (09.0) | 0.10000 |
| Eggs and egg products (10.0) | - |
| Sweeteners, including honey (11.0) | - |
| Salts, spices, soups, sauces, salads, protein products, etc. (12.0) | 0.10000 |
| Foodstuffs intended for particular nutritional uses (13.0) | 0.20000 |
| Non-alcoholic ("soft") beverages, excl. dairy products (14.1) | 0.10000 |
| Alcoholic beverages, incl. alcohol-free and low-alcoholic counterparts (14.2) | 0.20000 |
| Ready-to-eat savouries (15.0) | 0.40000 |
| Composite foods (e.g. casseroles, meat pies, mincemeat) - foods that could not be placed in categories 01.0 - 15.0 (16.0) | 0.10000 |
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Potential Uses
Natural Occurrence
Synonyms
coffee thiol
thenyl mercaptan
2-
thenyl mercaptan
thenyl-2 mercaptan
2-
thenylmercaptan
2-
thenylmercaptan, kosher
2-
thienyl mercaptan, kosher
2-
thienyl thiol
2-
thienylmercaptan
2-
thienylmethane-1-thiol
2-
thienylmethanethiol
thiophen-2-yl methane thiol
thiophen-2-yl-methanethiol
thiophen-2-ylmethanethiol
2-
thiophene methane thiol
thiophene-2-methane thiol
thiophene-2-methanethiol
2-
thiophenemethanethiol
US Patents:
3,952,024 - Furfurylthioacetone
US Patents:
Flavoring agent