Category: flavoring agents
US / EU / FDA / JECFA / FEMA / FLAVIS / Scholar / Patent Information:
Physical Properties:
Assay: | 95.00 to 100.00 %
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Food Chemicals Codex Listed: | No |
Melting Point: | 92.00 °C. @ 760.00 mm Hg
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Boiling Point: | 187.00 °C. @ 760.00 mm Hg
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Vapor Pressure: | 0.670000 mmHg @ 25.00 °C. (est) |
Flash Point: | 153.00 °F. TCC ( 67.22 °C. )
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logP (o/w): | 1.937 (est) |
Soluble in: |
| alcohol | | water, 197.8 mg/L @ 25 °C (est) |
Insoluble in: |
| water |
Organoleptic Properties:
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Odor Type: meaty |
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Odor Strength: | high , recommend smelling in a 0.01 % solution or less |
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| meaty musty nutty |
Odor Description: at 0.01 % in propylene glycol. | meaty musty nutty |
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Odor and/or flavor descriptions from others (if found). |
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Cosmetic Information:
Suppliers:
Safety Information:
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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 2,5-diethyl 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): | 160 (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): | 0.20000 | 1.00000 |
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 : | 85073 |
National Institute of Allergy and Infectious Diseases: | Data |
| 2,5-diethyl-1,3-thiazole |
Chemidplus: | 0015729767 |
References:
Other Information:
Potential Blenders and core components note
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For Odor |
No odor group found for these |
| valeraldehyde dibutyl acetal | FL/FR |
| dimethyl trisulfide | FL/FR |
balsamic |
| propyl benzoate | FL/FR |
bready |
| coffee furanone | FL/FR |
| rum ether | FL/FR |
buttery |
| acetyl propionyl | FL/FR |
3,4- | hexane dione | FL/FR |
camphoreous |
| bornyl isobutyrate | FL/FR |
caramellic |
| ethyl 2-hydroxy-2-methyl butyrate | FL/FR |
| chocolate pyrazine A | FL/FR |
2,5- | dimethyl pyrazine | FL/FR |
2- | methoxypyrazine | FL/FR |
cocoa |
2- | methyl butyraldehyde | FL/FR |
coconut |
alpha- | angelica lactone | FL/FR |
gamma- | heptalactone | FL/FR |
coffee |
| coffee difuran | FL/FR |
2- | methyl-3-,5 or 6-(furfuryl thio) pyrazine | FL/FR |
| popcorn pyrimidine | FL/FR |
coumarinic |
| coumane | FL/FR |
2- | ethyl-3-methoxypyrazine | FL/FR |
fatty |
| coconut absolute | FL/FR |
fermented |
| valeraldehyde | FL/FR |
floral |
para- | cresyl laurate | FL/FR |
ortho- | methyl acetophenone | FL/FR |
fruity |
| allyl 2-ethyl butyrate | FL/FR |
iso | amyl nonanoate | FL/FR |
| methyl valerate | FL/FR |
3- | methyl-2-butenal | FL/FR |
| tropical thiazole | FL/FR |
2- | heptyl furan | FL/FR |
(E,Z)-2,6- | nonadien-1-yl acetate | FL/FR |
| tiglaldehyde | FL/FR |
| meaty dithiane | FL/FR |
4- | methyl nonanoic acid | FL/FR |
musty |
2- | acetyl pyrrole | FL/FR |
3- | acetyl-2,5-dimethyl furan | FL/FR |
| hazelnut pyrazine | FL/FR |
| menthofuran | FL/FR |
naphthyl |
ortho- | methyl anisole | FL/FR |
para- | methyl anisole | FL/FR |
nutty |
3- | acetyl pyridine | FL/FR |
2- | acetyl-3-ethyl pyrazine | FL/FR |
2- | acetyl-3-methyl pyrazine | FL/FR |
2- | acetyl-3,5-dimethyl pyrazine | FL/FR |
2- | acetyl-5-methyl furan | FL/FR |
3,5- | cocoa pyrazine | FL/FR |
3,6- | cocoa pyrazine | FL/FR |
2,3- | dimethyl pyrazine | FL/FR |
4,5- | dimethyl-2-ethyl-3-thiazoline | FL/FR |
2- | ethyl pyrazine | FL/FR |
2- | ethyl-4-methyl thiazole | FL/FR |
| filbert heptenone | FL/FR |
| filbert pyrazine | FL/FR |
2,6- | lutidine | FL/FR |
2- | methyl pyrazine | FL/FR |
5- | methyl quinoxaline | FL/FR |
2- | methyl thio-3,5 or 6-methyl pyrazine | FL/FR |
2- | methyl-3-(methyl thio) pyrazine | FL/FR |
2- | methyl-3-ethoxypyrazine | FL/FR |
2- | methyl-3-propyl pyrazine | FL/FR |
| nutty cyclohexenone | FL/FR |
| nutty quinoxaline | FL/FR |
| shoyu pyrazine | FL/FR |
2,3,5,6- | tetramethyl pyrazine | FL/FR |
2,4,5- | trimethyl oxazole | 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 |
2- | acetyl-2-pyrroline | |
spicy |
3-(2- | furyl) acrolein | FL/FR |
| benzothiazole | FL/FR |
| ethyl 3-mercaptopropionate | FL/FR |
| furfuryl thioacetate | FL/FR |
2- | mercaptopropionic acid | FL/FR |
4- | methyl 4-mercaptopentan-2-one 1% solution | FL/FR |
1- | phenethyl mercaptan | FL/FR |
tobacco |
| methyl benzoxole | FL/FR |
tonka |
| whiskey lactone | FL/FR |
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For Flavor |
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No flavor group found for these |
| acetyl acetaldehyde dimethyl acetal | FL |
4- | acetyl-2-methyl pyrimidine | FL |
2- | acetyl-2-pyrroline | |
(E)- | aconitic acid | FL |
| amyl mercaptan | FL |
| bornyl isobutyrate | FL/FR |
1,2- | butane dithiol | FL |
2-(2- | butyl)-4,5-dimethyl-3-thiazoline | FL |
| butyramide | FL |
| chocolate pyrazine A | FL/FR |
| chocolate pyrazine B | FL |
| coumane | FL/FR |
| cyclohexyl methyl pyrazine | FL |
| cyclopropyl (E,Z)-2,6-nonadienamide | FL |
2,5- | diethyl-4-methyl thiazole | FL |
6,7- | dihydro-2,3-dimethyl-5H-cyclopentapyrazine | FL |
| dimethyl dihydrocyclopentapyrazine | FL |
| dimethyl tetrasulfide | FL |
2,5- | dimethyl thiazole | FL |
2,6- | dimethyl-3-((2-methyl-3-furyl)thio)-4-heptanone | FL |
bis(2,5- | dimethyl-3-furyl) disulfide | FL |
(Z+E)-2,5- | dimethyl-3-tetrahydrofuran thiol | FL |
(Z+E)-2,5- | dimethyl-3-thioacetoxytetrahydrofuran | FL |
2,5- | dimethyl-3-thiofuroyl furan | FL |
| ethyl (E,Z)-2,6-nonadienamide | FL |
S- | ethyl 2-acetyl aminoethane thioate | FL |
| ethyl 2-hydroxy-2-methyl butyrate | FL/FR |
| ethyl 3-mercaptopropionate | FL/FR |
| ethyl 4-(acetyl thio) butyrate | FL |
2- | ethyl-3-methoxypyrazine | FL/FR |
(Z+E)-5- | ethyl-4-methyl-2-(2-butyl) thiazoline | FL |
(Z+E)-5- | ethyl-4-methyl-2-(2-methyl propyl) thiazoline | FL |
3-(2- | furyl) acrolein | FL/FR |
(E,E)-2,4- | heptadien-1-ol | FL |
2- | hexyl-5 or 6-keto-1,4-dioxane | FL |
2- | methoxypyrazine | FL/FR |
| methyl 2-(methyl thio) acetate | FL |
4- | methyl 4-mercaptopentan-2-one 1% solution | FL/FR |
| methyl dihydrofuran thiol | FL |
2- | methyl thiazolidine | FL |
2-( | methyl thio) ethanol | FL |
2- | methyl-2-thiazoline | FL |
2- | methyl-3-,5 or 6-(furfuryl thio) pyrazine | FL/FR |
2- | methyl-3-(methyl thio) pyrazine | FL/FR |
2- | methyl-3-ethoxypyrazine | FL/FR |
2- | methyl-3-furyl tetrasulfide | FL |
3-((2- | methyl-3-furyl)thio)-4-heptanone | FL |
4-((2- | methyl-3-furyl)thio)-5-nonanone | FL |
1,9- | nonane dithiol | FL |
| peanut dithiazine | FL |
1- | phenethyl mercaptan | FL/FR |
1,3- | propane dithiol | FL |
| propyl 2-methyl-3-furyl disulfide | FL |
iso | propyl disulfide | FL |
2- | propyl pyridine | FL |
para- | salicylic acid | FL |
3- | thienyl mercaptan | FL |
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5- | acetyl-2,3-dihydro-1,4-thiazine | FL |
N-(2-(3,4- | dimethoxyphenyl)ethyl)-3,4-dimethoxycinnamic acid amide | FL |
3,7- | dimethyl-2,6-octadien-1-yl cyclopropyl carboxamide | FL |
4- | mercapto-2-pentanone 1% in acetoin | FL |
2- | methyl-1-methyl thio-2-butene | FL |
| pyrrolidino-(1,2E)-4H-2,4-dimethyl-1,3,5-dithiazine | FL |
1-(2- | thienyl) butanone | FL |
| valeraldehyde dibutyl acetal | FL/FR |
alliaceous |
1,3- | butane dithiol | FL |
| dimethyl trisulfide | FL/FR |
2- | methyl thioacetaldehyde | FL |
3- | tetrahydrothiophenone | FL |
| tropical thiazole | FL/FR |
anisic |
ortho- | methyl acetophenone | FL/FR |
bready |
2- | propionyl thiazole | FL |
burnt |
| bacon dithiazine | FL |
1,6- | hexane dithiol | FL |
2- | methyl quinoxaline | FL |
| rum ether | FL/FR |
2,4,5- | trimethyl oxazole | FL/FR |
buttery |
| butyroin | FL |
3,4- | hexane dione | FL/FR |
camphoreous |
ortho- | methyl anisole | FL/FR |
chemical |
2,5- | dimethyl furan | FL |
cocoa |
| butyraldehyde | FL |
coffee |
| coffee difuran | FL/FR |
| difurfuryl ether | FL |
2- | ethyl-4-methyl thiazole | FL/FR |
2-iso | propyl pyrazine | FL |
corn chip |
2- | acetyl thiazole | FL/FR |
2- | acetyl-2-thiazoline | FL |
| popcorn pyrimidine | FL/FR |
creamy |
alpha- | angelica lactone | FL/FR |
earthy |
| difurfuryl sulfide | FL |
2- | methyl-3-propyl pyrazine | FL/FR |
1,8- | octane dithiol | FL |
eggy |
iso | propyl mercaptan | FL |
ethereal |
| allyl 2-ethyl butyrate | FL/FR |
fatty |
| coconut absolute | FL/FR |
(E,E)-2,4- | decadienal | FL |
2- | heptyl furan | FL/FR |
4- | methyl nonanoic acid | FL/FR |
(E,E)-2,4- | nonadienal | FL |
fishy |
4,5- | dimethyl thiazole | FL |
fruity |
2,4- | hexadien-1-ol | FL |
| methyl valerate | FL/FR |
3- | methyl-2-butenal | FL/FR |
| propyl benzoate | FL/FR |
| tiglaldehyde | FL/FR |
fusel |
2- | methyl butyraldehyde | FL/FR |
green |
| dihydroxyacetophenone (mixed isomers) | FL |
2,5- | dimethyl thiophene | FL |
4- | methyl thiazole | FL |
2- | methyl-5-isopropyl pyrazine | FL |
(E,Z)-2,6- | nonadien-1-yl acetate | FL/FR |
4- | penten-1-yl acetate | FL |
2- | vinyl pyrazine | FL |
herbal |
| massoia bark oil | FL |
lactonic |
gamma- | heptalactone | FL/FR |
meaty |
4- | allyl-2,6-dimethoxyphenol | FL |
| benzothiazole | FL/FR |
2,6- | dimethyl thiophenol | FL |
2,5- | dimethyl-3-furan thiol | FL |
1,1- | ethane dithiol 1% in ethanol 94.5% / ethyl acetate 4% | FL |
4- | furfuryl thio-2-pentanone | FL |
| meaty dithiane | FL/FR |
(R,S)-2- | mercapto-3-butanol | FL |
2- | mercaptomethyl pyrazine | FL |
2- | mercaptopropionic acid | FL/FR |
2- | methyl 3-(methyl thio) furan | FL |
12- | methyl tridecanal | FL |
bis(2- | methyl-3-furyl) disulfide | FL |
S-(2- | methyl-3-furyl) ethane thioate | FL |
2- | methyl-3-tetrahydrofuran thiol | FL |
| propyl 2-mercaptopropionate | FL |
| pyrazinyl ethane thiol | FL |
2- | pyridinyl methane thiol | FL |
ortho- | thiocresol | FL |
ortho- | thioguaiacol | FL |
metallic |
2,5- | dihydroxy-1,4-dithiane | FL |
musty |
2,5- | dimethyl pyrazine | FL/FR |
2- | ethoxythiazole | FL |
| hazelnut pyrazine | FL/FR |
| menthofuran | FL/FR |
| propionaldehyde | FL |
| shoyu pyrazine | FL/FR |
2,3,5- | trimethyl pyrazine | FL/FR |
naphthyl |
para- | methyl anisole | FL/FR |
nutty |
3- | acetyl pyridine | FL/FR |
2- | acetyl pyrrole | FL/FR |
3- | acetyl-2,5-dimethyl furan | FL/FR |
2- | acetyl-3-ethyl pyrazine | FL/FR |
2- | acetyl-3-methyl pyrazine | FL/FR |
2- | acetyl-3,5-dimethyl pyrazine | FL/FR |
2- | acetyl-5-methyl furan | FL/FR |
3,6- | cocoa pyrazine | FL/FR |
3,5- | cocoa pyrazine | FL/FR |
| coffee furanone | FL/FR |
3,5- | diethyl-2-methyl pyrazine | FL |
2,5- | diethyl-3-methyl pyrazine | FL |
2,3- | dimethyl pyrazine | FL/FR |
4,5- | dimethyl-2-ethyl-3-thiazoline | FL/FR |
2,4- | dimethyl-5-vinyl thiazole | FL |
2- | ethyl pyrazine | FL/FR |
1- | ethyl-2-acetyl pyrrole | FL |
| filbert heptenone | FL/FR |
| filbert pyrazine | FL/FR |
2,6- | lutidine | FL/FR |
| methyl benzoxole | FL/FR |
2- | methyl pyrazine | FL/FR |
5- | methyl quinoxaline | FL/FR |
2- | methyl thio-3,5 or 6-methyl pyrazine | FL/FR |
| nutty cyclohexenone | FL/FR |
| nutty quinoxaline | FL/FR |
| nutty thiazole | FL |
| peanut oxazole | FL |
2,3,5,6- | tetramethyl pyrazine | FL/FR |
| vinyl sulfurol | FL/FR |
onion |
| furfuryl isopropyl sulfide | FL |
| methionol | FL |
popcorn |
2- | propionyl-2-thiazoline | FL |
roasted |
2- | acetyl pyrazine | FL/FR |
| furfuryl thioacetate | FL/FR |
| hexyl mercaptan | FL |
savory |
N-(2,4- | dimethoxybenzyl)-N2-(2-(pyridin-2-yl)ethyl) oxalamide | FL |
N-( | heptan-4-yl)benzo(D)(1,3)dioxole-5-carboxamide | FL |
N1-(2- | methoxy-4-methyl benzyl)-N2-(2-(pyridin-2-yl)ethyl) oxalamide | FL |
N1-(2- | methoxy-4-methyl benzyl)-N2-2(2-(5-methyl pyridin-2-yl)ethyl) oxalamide | FL |
sulfurous |
2,3- | butane dithiol | FL |
S- | ethyl thioacetate | FL |
| methyl 2-methyl-3-furyl disulfide | FL |
3- | methyl-2-butane thiol | FL |
2- | naphthyl mercaptan | FL |
| roasted butanol | FL |
2,4,6- | trithiaheptane 10% in triacetin | FL |
toasted |
| acetyl propionyl | FL/FR |
vegetable |
| tyramine | FL |
waxy |
para- | cresyl laurate | FL/FR |
winey |
iso | amyl nonanoate | FL/FR |
5- | ethyl-2-methyl pyridine | FL |
| valeraldehyde | FL/FR |
woody |
| whiskey lactone | FL/FR |
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Potential Uses:
Occurrence (nature, food, other): note
Synonyms:
2,5- | diethyl-1,3-thiazole | 2,5- | diethylthiazole | | thiazole, 2,5-diethyl- |
Articles:
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