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3(2H)-thiophenone, 4-hydroxy-2,5-dimethyl-
Notes:
None found
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Chemical sources Association Inc Exchange of knowledge Need This Item for Flavor? You can contact the Chemical Sources Association. Events Links Product(s):
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| CAS Number: | 26494-10-0 |  3D/inchi
|
| ECHA EINECS - REACH Pre-Reg: | 247-742-3 | |
| FDA UNII: | E9814L6CJM | |
| Nikkaji Web: | J248.954F | |
| XlogP3-AA: | 1.20 (est) | |
| Molecular Weight: | 144.19316000 | |
| Formula: | C6 H8 O2 S | |
| NMR Predictor: | Predict (works with chrome or firefox) | |
| EFSA/JECFA Comments: | CASrn in Register does not specify isomer. Racemate (EFFA, 2010a). Substance not supported by Industry (EFFA,2009c). No longer supported by Industry (EFSA, 2011). Racemate (EFFA, 2010). | |
Category: information only not used for fragrances or flavors
US / EU / FDA / JECFA / FEMA / FLAVIS / Scholar / Patent Information:
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| Google Scholar: with word "flavor" | Search |
| Google Scholar: with word "odor" | Search |
| Perfumer and Flavorist: | Search |
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| Pubchem Patents: | Search |
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| NCBI: | Search |
Physical Properties:
| Assay: | 95.00 to 100.00 % |
| Food Chemicals Codex Listed: | No |
| Melting Point: | 133.00 °C. @ 760.00 mm Hg |
| Boiling Point: | 296.00 °C. @ 760.00 mm Hg |
| Vapor Pressure: | 0.003000 mmHg @ 25.00 °C. (est) |
| Flash Point: | 222.00 °F. TCC ( 105.56 °C. ) |
| logP (o/w): | 1.447 (est) |
| Soluble in: | |
| alcohol | |
| water, 8984 mg/L @ 25 °C (est) | |
| Insoluble in: | |
| water | |
Organoleptic Properties:
| Odor Type: meaty | |
| meaty bready | |
| Odor Description: at 0.10 % in propylene glycol. | meaty bready |
| Odor and/or flavor descriptions from others (if found). | |
Cosmetic Information:
| None found |
Suppliers:
| Chemical Sources Association |
| Need This Item for Flavor/Food?: You can contact the CSA |
Safety Information:
| Hazards identification | |
| Classification of the substance or mixture | |
| GHS Classification in accordance with 29 CFR 1910 (OSHA HCS) | |
| None found. | |
| GHS Label elements, including precautionary statements | |
| Pictogram | |
| Hazard statement(s) | |
| None found. | |
| Precautionary statement(s) | |
| None found. | |
| Oral/Parenteral Toxicity: | |
| Not determined | |
| Dermal Toxicity: | |
| Not determined | |
| Inhalation Toxicity: | |
| Not determined | |
Safety in Use Information:
| Category: | information only not used for fragrances or flavors | ||
| Recommendation for 4-hydroxy-2,5-dimethyl thiophen-3(2H)-one usage levels up to: | |||
| not for fragrance use. | |||
| Maximised Survey-derived Daily Intakes (MSDI-EU): | 0.12 (μg/capita/day) | ||
| Modified Theoretical Added Maximum Daily Intake (mTAMDI): | 78 (μg/person/day) | ||
| Threshold of Concern: | 90 (μg/person/day) | ||
| Structure Class: | III | ||
| Food categories according to Commission Regulation EC No. 1565/2000 (EC, 2000) in FGE.06 (EFSA, 2002a). According to the Industry the "normal" use is defined as the average of reported usages and "maximum use" is defined as the 95th percentile of reported usages (EFSA, 2002i). | |||
| Note: mg/kg = 0.001/1000 = 0.000001 = 1/1000000 = ppm. | |||
| average usage mg/kg | maximum usage mg/kg | ||
| Dairy products, excluding products of category 02.0 (01.0): | 0.20000 | 1.00000 | |
| Fats and oils, and fat emulsions (type water-in-oil) (02.0): | 0.10000 | 0.50000 | |
| Edible ices, including sherbet and sorbet (03.0): | 0.20000 | 1.00000 | |
| Processed fruit (04.1): | 0.20000 | 1.00000 | |
| Processed vegetables (incl. mushrooms & fungi, roots & tubers, pulses and legumes), and nuts & seeds (04.2): | - | - | |
| Confectionery (05.0): | 0.20000 | 1.00000 | |
| Chewing gum (05.0): | - | - | |
| Cereals and cereal products, incl. flours & starches from roots & tubers, pulses & legumes, excluding bakery (06.0): | 0.10000 | 0.50000 | |
| Bakery wares (07.0): | 0.20000 | 1.00000 | |
| Meat and meat products, including poultry and game (08.0): | 0.10000 | 0.20000 | |
| Fish and fish products, including molluscs, crustaceans and echinoderms (MCE) (09.0): | 0.10000 | 0.20000 | |
| Eggs and egg products (10.0): | - | - | |
| Sweeteners, including honey (11.0): | - | - | |
| Salts, spices, soups, sauces, salads, protein products, etc. (12.0): | 0.10000 | 0.50000 | |
| Foodstuffs intended for particular nutritional uses (13.0): | 0.20000 | 1.00000 | |
| Non-alcoholic ("soft") beverages, excl. dairy products (14.1): | 0.10000 | 0.50000 | |
| Alcoholic beverages, incl. alcohol-free and low-alcoholic counterparts (14.2): | 0.20000 | 1.00000 | |
| Ready-to-eat savouries (15.0): | 0.40000 | 2.00000 | |
| Composite foods (e.g. casseroles, meat pies, mincemeat) - foods that could not be placed in categories 01.0 - 15.0 (16.0): | 0.10000 | 0.50000 | |
Safety References:
| European Food Safety Athority(EFSA): | Flavor usage levels; Subacute, Subchronic, Chronic and Carcinogenicity Studies; Developmental / Reproductive Toxicity Studies; Genotoxicity Studies... |
| European Food Safety Authority (EFSA) reference(s): | |
| Flavouring Group Evaluation 21: Thiazoles, thiophene, thiazoline and thienyl derivatives from chemical group 29. Miscellaneous substances from chemical group 30. (Commission Regulation (EC) No 1565/2000 of 18 July 2000) - Opinion of the Scientific Panel on Food Additives, Flavourings, Processing Aids and Materials in contact with Food (AFC) View page or View pdf | |
| Flavouring Group Evaluation 76, (FGE.76)[1] - Consideration of sulphur-containing heterocyclic compounds evaluated by JECFA (59th meeting) structurally related to thiazoles, thiophene, thiazoline and thienyl derivatives from chemical group 29, miscellaneous substances from chemical group 30 evaluated by EFSA in FGE.21 - Scientific Opinion of the Panel on Food Additives, Flavourings, Processing Aids and Materials in Contact with Food View page or View pdf | |
| Flavouring Group Evaluation 21, Revision 1 (FGE.21Rev1): Thiazoles, thiophene, thiazoline and thienyl derivatives from chemical group 29 Miscellaneous substances from chemical group 30 View page or View pdf | |
| Flavouring Group Evaluation 93 (FGE.93): Consideration of sulphur heterocyclic evaluated by JECFA (68th meeting) structurally related to thiazoles, thiophene, thiazoline and thienyl evaluated by EFSA in FGE.21Rev1 (2009) View page or View pdf | |
| Scientific Opinion on Flavouring Group Evaluation 21, Revision 2 (FGE.21Rev2): Thiazoles, thiophene, thiazoline and thienyl derivatives from chemical group 29. Miscellaneous substances from chemical group 30. View page or View pdf | |
| Scientific Opinion on Flavouring Group Evaluation 21, Revision 3 (FGE.21Rev3): Thiazoles, thiophenes, thiazoline and thienyl derivatives from chemical groups 29 and 30 View page or View pdf | |
| Scientific Opinion on Flavouring Group Evaluation 21, Revision 4 (FGE.21Rev4): Thiazoles, thiophenes, thiazoline and thienyl derivatives from chemical groups 29 and 30 View page or View pdf | |
| Scientific Opinion on Flavouring Group Evaluation 21, Revision 5 (FGE.21Rev5): Thiazoles, thiophenes, thiazoline and thienyl derivatives from chemical groups 29 and 30 View page or View pdf | |
| EPI System: | View |
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| EPA ACToR: | Toxicology Data |
| EPA Substance Registry Services (SRS): | Registry |
| Laboratory Chemical Safety Summary : | 5743410 |
| National Institute of Allergy and Infectious Diseases: | Data |
| 4-hydroxy-2,5-dimethylthiophen-3-one | |
| Chemidplus: | 0026494100 |
References:
| 4-hydroxy-2,5-dimethylthiophen-3-one | |
| NIST Chemistry WebBook: | Search Inchi |
| Canada Domestic Sub. List: | 26494-10-0 |
| Pubchem (cid): | 5743410 |
| Pubchem (sid): | 135268247 |
Other Information:
| (IUPAC): | Atomic Weights of the Elements 2011 (pdf) |
| Videos: | The Periodic Table of Videos |
| tgsc: | Atomic Weights use for this web site |
| (IUPAC): | Periodic Table of the Elements |
| HMDB (The Human Metabolome Database): | Search |
| ChemSpider: | View |
Potential Blenders and core components note
| None Found | ||
Potential Uses:
| None Found |
Occurrence (nature, food, other): note
| not found in nature |
Synonyms:
| 4- | hydroxy-2,5-dimethyl thiophen-3-one |
| 4- | hydroxy-2,5-dimethyl-3(2H)-thiophenone |
| 4- | hydroxy-2,5-dimethylthiophen-3-one |
| 4- | hydroxy-2,5-dimethylthiophen-3(2H)-one |
| 3(2H)- | thiophenone, 4-hydroxy-2,5-dimethyl- |