Category: flavoring agents
US / EU / FDA / JECFA / FEMA / FLAVIS / Scholar / Patent Information:
Physical Properties:
Appearance: | colorless to pale yellow solid (est) |
Assay: | 96.00 to 100.00 %
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Food Chemicals Codex Listed: | No |
Melting Point: | 104.00 °C. @ 760.00 mm Hg
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Boiling Point: | 185.00 °C. @ 760.00 mm Hg
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Vapor Pressure: | 0.402000 mmHg @ 25.00 °C. (est) |
Flash Point: | 166.00 °F. TCC ( 74.44 °C. )
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logP (o/w): | 1.361 (est) |
Soluble in: |
| alcohol | | water, 177.1 mg/L @ 25 °C (est) |
Insoluble in: |
| water |
Organoleptic Properties:
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Odor Type: nutty |
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| burnt hazelnut cocoa nutty |
Odor Description: at 0.01 % in propylene glycol. | burnt hazelnut cocoa |
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Odor and/or flavor descriptions from others (if found). |
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Cosmetic Information:
Suppliers:
BOC Sciences |
For experimental / research use only. |
2-Ethyl-4,5-dimethylthiazole
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Jiangyin Healthway |
2-Ethyl-4,5-dimethyl thiazole
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New functional food ingredients |
M&U International |
2-ETHYL-4,5-DIMETHYL THIAZOLE, Kosher
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Penta International |
4,5-DIMETHYL-2-ETHYLTHIAZOLE
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Santa Cruz Biotechnology |
For experimental / research use only. |
2-Ethyl-4,5-dimethylthiazole
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Sigma-Aldrich: Aldrich |
For experimental / research use only. |
2-Ethyl-4,5-dimethylthiazole 97%
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Sunaux International |
2-Ethyl-4,5-dimethyl Thiazole
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TCI AMERICA |
For experimental / research use only. |
4,5-Dimethyl-2-ethylthiazole >98.0%(GC)
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Tengzhou Jitian Aroma Chemiclal |
4,5-Dimethyl-2-ethyl Thiazole
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Safety Information:
Preferred SDS: View |
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Hazards identification |
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Classification of the substance or mixture |
GHS Classification in accordance with 29 CFR 1910 (OSHA HCS) |
None found. |
GHS Label elements, including precautionary statements |
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Pictogram | |
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Hazard statement(s) |
None found. |
Precautionary statement(s) |
None found. |
Oral/Parenteral Toxicity: |
Not determined
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Dermal Toxicity: |
Not determined
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Inhalation Toxicity: |
Not determined
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Safety in Use Information:
Category: | flavoring agents |
Recommendation for 4,5-dimethyl-2-ethyl thiazole usage levels up to: | | not for fragrance use.
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Maximised Survey-derived Daily Intakes (MSDI-EU): | 0.015 (μg/capita/day) |
Modified Theoretical Added Maximum Daily Intake (mTAMDI): | 130 (μg/person/day) |
Threshold of Concern: | 540 (μg/person/day) |
Structure Class: | II |
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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): | 0.40000 | 2.00000 |
Fats and oils, and fat emulsions (type water-in-oil) (02.0): | 0.20000 | 1.00000 |
Edible ices, including sherbet and sorbet (03.0): | 0.40000 | 2.00000 |
Processed fruit (04.1): | 0.30000 | 1.50000 |
Processed vegetables (incl. mushrooms & fungi, roots & tubers, pulses and legumes), and nuts & seeds (04.2): | - | - |
Confectionery (05.0): | 0.40000 | 2.00000 |
Chewing gum (05.0): | - | - |
Cereals and cereal products, incl. flours & starches from roots & tubers, pulses & legumes, excluding bakery (06.0): | 0.20000 | 1.00000 |
Bakery wares (07.0): | 0.40000 | 2.00000 |
Meat and meat products, including poultry and game (08.0): | 0.10000 | 0.40000 |
Fish and fish products, including molluscs, crustaceans and echinoderms (MCE) (09.0): | 0.10000 | 0.40000 |
Eggs and egg products (10.0): | - | - |
Sweeteners, including honey (11.0): | - | - |
Salts, spices, soups, sauces, salads, protein products, etc. (12.0): | 0.20000 | 1.00000 |
Foodstuffs intended for particular nutritional uses (13.0): | 0.40000 | 2.00000 |
Non-alcoholic ("soft") beverages, excl. dairy products (14.1): | 0.10000 | 0.50000 |
Alcoholic beverages, incl. alcohol-free and low-alcoholic counterparts (14.2): | 0.40000 | 2.00000 |
Ready-to-eat savouries (15.0): | 1.00000 | 5.00000 |
Composite foods (e.g. casseroles, meat pies, mincemeat) - foods that could not be placed in categories 01.0 - 15.0 (16.0): | 0.20000 | 1.00000 |
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 |
AIDS Citations: | Search |
Cancer Citations: | Search |
Toxicology Citations: | Search |
EPA ACToR: | Toxicology Data |
EPA Substance Registry Services (SRS): | Registry |
Laboratory Chemical Safety Summary : | 522877 |
National Institute of Allergy and Infectious Diseases: | Data |
WISER: | UN 1993 |
WGK Germany: | 3 |
| 2-ethyl-4,5-dimethyl-1,3-thiazole |
References:
Other Information:
Potential Blenders and core components note
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For Odor |
balsamic |
2- | acetyl furan | FL/FR |
| amyl cinnamate | FL/FR |
iso | amyl cinnamate | FL/FR |
| amyl phenyl acetate | FL/FR |
| butyl cinnamate | FL/FR |
camphoreous |
| butyrophenone | FL/FR |
caramellic |
| fenugreek oleoresin | FL/FR |
chocolate |
iso | amyl phenyl acetate | FL/FR |
| chocolate pyrazine A | FL/FR |
| cocoa hexenal | FL/FR |
| cocoa oleoresin | FL/FR |
| cocoa pentenal | FL/FR |
2,5- | dimethyl pyrazine | FL/FR |
2,6- | dimethyl pyrazine | FL/FR |
2- | methoxy-3-methyl pyrazine | FL/FR |
2- | methoxypyrazine | FL/FR |
2,4,5- | trimethyl thiazole | FL/FR |
cocoa |
2-iso | butyl-3,5-(and 3,6)-dimethyl pyrazine | FL/FR |
2- | methyl butyraldehyde | FL/FR |
iso | propyl formate | FL/FR |
fermented |
3- | methyl-1-pentanol | FL/FR |
| valeraldehyde | FL/FR |
floral |
| ethyl phenyl acetate | FL/FR |
ortho- | methyl acetophenone | FL/FR |
fruity |
| butyl 2-methyl butyrate | FL/FR |
| cherry oxyacetate | FL/FR |
| nonyl isovalerate | FL/FR |
| phenyl acetaldehyde | FL/FR |
herbal |
gamma- | valerolactone | FL/FR |
musty |
| cocoa butenal | FL/FR |
| hazelnut pyrazine | FL/FR |
nutty |
2- | acetyl-3,5-dimethyl pyrazine | FL/FR |
2- | acetyl-3,5(or 6)-dimethyl pyrazine | FL/FR |
3,6- | cocoa pyrazine | FL/FR |
2,6- | lutidine | FL/FR |
2- | methyl pyrazine | FL/FR |
2- | methyl-3-ethoxypyrazine | FL/FR |
2- | methyl-3-pentenoic acid | FL/FR |
2,3,5,6- | tetramethyl pyrazine | FL/FR |
2,3,5- | trimethyl pyrazine | FL/FR |
| vinyl sulfurol | FL/FR |
popcorn |
2- | acetyl pyrazine | FL/FR |
2- | acetyl thiazole | FL/FR |
roasted |
| fenugreek resinoid | FL/FR |
| trigonella foenum-graecum seed oil CO2 extract | FL/FR |
waxy |
| phenethyl octanoate | FL/FR |
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For Flavor |
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No flavor group found for these |
| amyl phenyl acetate | FL/FR |
| butyl cinnamate | FL/FR |
2-iso | butyl-3,5-(and 3,6)-dimethyl pyrazine | FL/FR |
2(4)-iso | butyl-4(2),6-dimethyl dihydro-4H-1,3,5-dithiazine | FL |
| butyrophenone | FL/FR |
| chocolate pyrazine A | FL/FR |
| chocolate pyrazine B | FL |
2- | methoxypyrazine | FL/FR |
2- | methyl-3-ethoxypyrazine | FL/FR |
2- | methyl-3-pentenoic acid | FL/FR |
| nonyl isovalerate | FL/FR |
| peanut dithiazine | FL |
2- | propyl-3,5-dimethyl pyrazine | FL |
anisic |
ortho- | methyl acetophenone | FL/FR |
balsamic |
| amyl cinnamate | FL/FR |
bitter |
| methyl ethoxypyrazine | FL |
brown |
| fenugreek oleoresin | FL/FR |
caramellic |
| fenugreek resinoid | FL/FR |
chocolate |
| cocoa oleoresin | FL/FR |
| cocoa propanal | FL |
cocoa |
| butyraldehyde | FL |
| cocoa distillates | FL |
| cocoa hexenal | FL/FR |
corn chip |
2- | acetyl thiazole | FL/FR |
floral |
iso | amyl cinnamate | FL/FR |
iso | amyl phenyl acetate | FL/FR |
| cocoa pentenal | FL/FR |
fruity |
| butyl 2-methyl butyrate | FL/FR |
| cherry oxyacetate | FL/FR |
| phenethyl octanoate | FL/FR |
iso | propyl formate | FL/FR |
fusel |
2- | methyl butyraldehyde | FL/FR |
green |
| cocoa butenal | FL/FR |
2- | ethyl butyraldehyde | FL |
honey |
| ethyl phenyl acetate | FL/FR |
| phenyl acetaldehyde | FL/FR |
meaty |
2,6- | dimethyl pyrazine | FL/FR |
musty |
2,5- | dimethyl pyrazine | FL/FR |
| hazelnut pyrazine | FL/FR |
| propionaldehyde | FL |
2,3,5- | trimethyl pyrazine | FL/FR |
nutty |
2- | acetyl furan | FL/FR |
2- | acetyl-3,5-dimethyl pyrazine | FL/FR |
2- | acetyl-3,5(or 6)-dimethyl pyrazine | FL/FR |
3,6- | cocoa pyrazine | FL/FR |
2,5- | diethyl-3-methyl pyrazine | FL |
2,4- | dimethyl-5-vinyl thiazole | FL |
european | hazelnut oleoresin | FL |
2,6- | lutidine | FL/FR |
2- | methoxy-3-methyl pyrazine | FL/FR |
2- | methyl pyrazine | FL/FR |
2,3,5,6- | tetramethyl pyrazine | FL/FR |
2,4,5- | trimethyl thiazole | FL/FR |
| vinyl sulfurol | FL/FR |
roasted |
2- | acetyl pyrazine | FL/FR |
| trigonella foenum-graecum seed oil CO2 extract | FL/FR |
tonka |
gamma- | valerolactone | FL/FR |
whiskey |
3- | methyl-1-pentanol | FL/FR |
winey |
| valeraldehyde | FL/FR |
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Potential Uses:
Occurrence (nature, food, other): note
Synonyms:
4,5- | dimethyl-2-ethylthiazole | 2- | ethyl-4,5-dimethyl thiazole | 2- | ethyl-4,5-dimethyl-1,3-thiazole | 2- | ethyl-4,5-dimethylthiazole |
Articles:
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