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:
Odor Type: nutty |
burnt hazelnut cocoa nutty |
Odor Description:at 0.01 % in propylene glycol. burnt hazelnut cocoa |
Odor and/or flavor descriptions from others (if found). |
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 (05.3): | - | - |
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...
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European Food Safety Authority (EFSA) reference(s):
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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
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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
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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
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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
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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
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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
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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
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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
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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 |
Chemidplus:0000873643 |
References:
Other Information:
Potential Blenders and core components note
For Odor |
balsamic |
2- acetyl furan FL/FR |
iso amyl cinnamate FL/FR |
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 |
ethereal |
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 |
green |
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 |
For Flavor |
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 |
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 |
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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