2-pentanoyl thiophene
1-pentanone, 1-(2-thienyl)-
Identification
| Name | 2-pentanoyl thiophene |
| IUPAC | 1-thiophen-2-ylpentan-1-one |
| CAS Number | 53119-25-8 |
| FDA UNII | X71Z1K8RAY |
| Molecular Formula | C9 H12 O S |
| Molecular Weight | 168.25884000 |
| MDL Number | MFCD00053149 |
| Nikkaji Number | J191.628I |
| XlogP3 | 2.60 (est) |
Regulatory
Physical Properties
| Appearance | pale yellow solid (est) |
| Assay | 95.00 to 100.00 |
| Food Chemicals Codex Listed | No |
| Melting Point | 80.00 °C. @ 760.00 mm Hg |
| Boiling Point | 257.00 °C. @ 760.00 mm Hg |
| Vapor Pressure | 0.011000 mmHg @ 25.00 °C. (est) |
| Flash Point | 235.00 °F. TCC ( 112.78 °C. ) |
| logP (o/w) | 2.847 (est) |
| Soluble in | alcohol |
| Insoluble in | water |
No sensory data available
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 2-pentanoyl thiophene usage levels up to | not for fragrance use. |
| Maximised Survey-derived Daily Intakes (MSDI-EU) | 0.0012 (μg/capita/day) |
| Modified Theoretical Added Maximum Daily Intake (mTAMDI) | 160 (μg/person/day) |
| Threshold of Concern | 540 (μg/person/day) |
| Structure Class | II |
| Dairy products, excluding products of category 02.0 (01.0) | 0.40000 |
| Fats and oils, and fat emulsions (type water-in-oil) (02.0) | 0.20000 |
| Edible ices, including sherbet and sorbet (03.0) | - |
| Processed fruit (04.1) | 0.30000 |
| Processed vegetables (incl. mushrooms & fungi, roots & tubers, pulses and legumes), and nuts & seeds (04.2) | - |
| Confectionery (05.0) | 0.40000 |
| Chewing gum (05.3) | - |
| Cereals and cereal products, incl. flours & starches from roots & tubers, pulses & legumes, excluding bakery (06.0) | 0.20000 |
| Bakery wares (07.0) | 0.40000 |
| 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) | 0.20000 |
| Foodstuffs intended for particular nutritional uses (13.0) | 0.40000 |
| Non-alcoholic ("soft") beverages, excl. dairy products (14.1) | 0.20000 |
| Alcoholic beverages, incl. alcohol-free and low-alcoholic counterparts (14.2) | 0.40000 |
| Ready-to-eat savouries (15.0) | 1.00000 |
| Composite foods (e.g. casseroles, meat pies, mincemeat) - foods that could not be placed in categories 01.0 - 15.0 (16.0) | 0.20000 |
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Potential Uses
Natural Occurrence
Synonyms
1-
pentanone, 1-(2-thienyl)-
1-(
thien-2-yl)pentan-1-one
1-
thien-2-ylpentan-1-one
1-(2-
thienyl)-1-pentanone
1-(2-
thienyl)pentan-1-one
1-
thiophen-2-yl pentan-1-one
1-(
thiophen-2-yl)pentan-1-one
1-
thiophen-2-ylpentan-1-one
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