Category: flavoring agents
US / EU / FDA / JECFA / FEMA / FLAVIS / Scholar / Patent Information:
Physical Properties:
Appearance: | white to beige solid (est) |
Assay: | 95.00 to 100.00 %
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Food Chemicals Codex Listed: | No |
Melting Point: | 34.00 °C. @ 760.00 mm Hg
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Boiling Point: | 233.93 °C. @ 760.00 mm Hg (est)
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Vapor Pressure: | 0.054000 mmHg @ 25.00 °C. (est) |
Flash Point: | 194.00 °F. TCC ( 90.00 °C. )
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logP (o/w): | 0.831 (est) |
Shelf Life: | 12.00 month(s) or longer if stored properly. |
Storage: | store in cool, dry place in tightly sealed containers, protected from heat and light. |
Soluble in: |
| water, 7504 mg/L @ 25 °C (est) |
Similar Items: note |
2-acetyl-5-methyl thiazole |
Organoleptic Properties:
| cooked meaty |
Odor Description: at 0.10 % in propylene glycol. | cooked meat |
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Flavor Type: nutty |
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| nutty burnt |
Taste Description: at 20.00 ppm. | nutty burnt |
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Odor and/or flavor descriptions from others (if found). |
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Cosmetic Information:
Suppliers:
Safety Information:
Preferred SDS: View |
European information : |
Most important hazard(s): | Xn - Harmful. |
R 22 - Harmful if swallowed. S 02 - Keep out of the reach of children. S 20/21 - When using do not eat, drink or smoke. S 36/37/39 - Wear suitable clothing, gloves and eye/face protection.
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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-acetyl-4-methyl thiazole usage levels up to: | | not for fragrance use.
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Maximised Survey-derived Daily Intakes (MSDI-EU): | 0.0049 (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 : | 5324797 |
National Institute of Allergy and Infectious Diseases: | Data |
WGK Germany: | 3 |
| 1-(4-methyl-1,3-thiazol-2-yl)ethanone |
References:
Other Information:
Potential Blenders and core components note
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For Odor |
alliaceous |
| dimethyl trisulfide | FL/FR |
| rum ether | FL/FR |
| strawberry furanone | FL/FR |
2,6- | dimethyl pyrazine | FL/FR |
coffee |
| coffee difuran | FL/FR |
| furfuryl mercaptan | FL/FR |
2- | methyl-3-,5 or 6-(furfuryl thio) pyrazine | FL/FR |
fresh |
10- | undecen-1-yl acetate | FL/FR |
fruity |
3- | mercaptohexyl acetate | FL/FR |
(E)-7- | methyl-3-octen-2-one | FL/FR |
| prunus amygdalus amara seed extract | FL/FR |
(E)-2- | undecenal | FL/FR |
green |
(E,Z)-2,6- | nonadienal | FL/FR |
| meaty dithiane | FL/FR |
4- | methyl nonanoic acid | FL/FR |
| sulfurol | FL/FR |
| sulfuryl acetate | FL/FR |
moldy |
| strawberry furanone methyl ether | FL/FR |
| hazelnut pyrazine | FL/FR |
4,5- | dimethyl-2-ethyl-3-thiazoline | FL/FR |
2- | ethyl-4-methyl thiazole | FL/FR |
| filbert heptenone | FL/FR |
2,6- | lutidine | FL/FR |
2- | methyl pyrazine | FL/FR |
2- | methyl-3-(methyl thio) pyrazine | FL/FR |
2,4,5- | trimethyl oxazole | FL/FR |
| trigonella foenum-graecum seed oil CO2 extract | FL/FR |
smoky |
2,6- | dimethoxyphenol | FL/FR |
| pyroligneous acids | FL/FR |
| benzothiazole | FL/FR |
| ethyl 3-mercaptopropionate | FL/FR |
| fish thiol | FL/FR |
| furfuryl thioacetate | FL/FR |
2- | mercaptopropionic acid | FL/FR |
4- | methyl 4-mercaptopentan-2-one 1% solution | FL/FR |
| methyl mercaptan | FL/FR |
2-( | methyl thio) phenol | FL/FR |
1- | phenethyl mercaptan | FL/FR |
tobacco |
| methyl benzoxole | FL/FR |
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For Flavor |
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No flavor group found for these |
4- | acetyl-2-methyl pyrimidine | FL |
gamma- | aminobutyric acid | FL |
| amyl mercaptan | FL |
1,2- | butane dithiol | FL |
2-(2- | butyl)-4,5-dimethyl-3-thiazoline | FL |
| cyclopropyl (E,Z)-2,6-nonadienamide | FL |
2,5- | diethyl thiazole | FL |
| dimethyl tetrasulfide | 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 3-mercaptopropionate | FL/FR |
| ethyl 4-(acetyl thio) butyrate | FL |
2- | ethyl-3-methyl thiopyrazine | FL |
(Z+E)-5- | ethyl-4-methyl-2-(2-butyl) thiazoline | FL |
(Z+E)-5- | ethyl-4-methyl-2-(2-methyl propyl) thiazoline | FL |
1-(3- | hydroxy-5-methyl-2-thienyl) ethanone | 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-3-,5 or 6-(furfuryl thio) pyrazine | FL/FR |
2- | methyl-3-(methyl thio) pyrazine | 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 |
| thiazole | FL |
3- | thienyl mercaptan | FL |
| thioacetic acid | FL |
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N-(2-(3,4- | dimethoxyphenyl)ethyl)-3,4-dimethoxycinnamic acid amide | FL |
3,5- | dimethyl-1,2,4-trithiolane | 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 |
3- | methyl-1,2,4-trithiane | FL |
| pyrrolidino-(1,2E)-4H-2,4-dimethyl-1,3,5-dithiazine | FL |
1-(2- | thienyl) butanone | FL |
alliaceous |
| allyl disulfide | FL |
| allyl mercaptan | FL |
1,3- | butane dithiol | FL |
| cyclopentyl mercaptan | FL |
| dicyclohexyl disulfide | FL |
| dimethyl trisulfide | FL/FR |
| garlic oil extenders | FL |
3- | mercapto-2-pentanone | FL |
3- | tetrahydrothiophenone | FL |
bacon |
| bacon reaction crispy | FL |
burnt |
| bacon dithiazine | FL |
1,6- | hexane dithiol | FL |
| rum ether | FL/FR |
2,4,5- | trimethyl oxazole | FL/FR |
caramellic |
| strawberry furanone | FL/FR |
chemical |
2,5- | dimethyl furan | FL |
cocoa |
| butyraldehyde | FL |
coffee |
| coffee difuran | FL/FR |
| coffee distillates | FL |
2- | ethyl-4-methyl thiazole | FL/FR |
| furfuryl mercaptan | FL/FR |
| methyl furfuryl mercaptopropionate | FL |
| methyl furfuryl thiol | FL |
earthy |
| difurfuryl sulfide | FL |
(±)-2- | mercapto-5-methylheptan-4-one | FL |
1,8- | octane dithiol | FL |
2- | thienyl disulfide | FL |
eggy |
iso | propyl mercaptan | FL |
fatty |
(E,E)-2,4- | decadienal | FL |
pork | fat extract | FL |
4- | methyl nonanoic acid | FL/FR |
(E)-7- | methyl-3-octen-2-one | FL/FR |
2- | pentyl thiophene | FL |
fruity |
2- | ethyl-2,5-dihydro-4-methyl thiazole | FL |
greasy |
10- | undecen-1-yl acetate | FL/FR |
green |
4- | methyl thiazole | FL |
(E,Z)-2,6- | nonadienal | FL/FR |
4- | penten-1-yl acetate | FL |
2- | vinyl pyrazine | FL |
herbal |
| massoia bark oil | FL |
meaty |
4- | allyl-2,6-dimethoxyphenol | FL |
| bacon flavor | FL |
| beef broth flavor | FL |
| beef flavor | FL |
roast | beef flavor | FL |
BBQ | beef flavor | FL |
| beef flavor base | FL |
| benzothiazole | FL/FR |
| chicken bone extract | FL |
| chicken extract | FL |
| chicken flavor | FL |
grilled | chicken flavor | FL |
| chicken key | FL |
2,6- | dimethyl thiophenol | FL |
2,5- | dimethyl-3-furan thiol | FL |
2',3- | dimethyl-3',4-dioxa-2,8-dithiabicyclo(3.3.0)octane spirocyclopentane | FL |
1,1- | ethane dithiol 1% in ethanol 94.5% / ethyl acetate 4% | FL |
| ethyl 2-hydroxyethyl sulfide | FL |
| furfuryl 2-methyl-3-furyl disulfide | FL |
4- | furfuryl thio-2-pentanone | FL |
| ham enhancers | FL |
| ham flavor | FL |
| hot dog flavor | FL |
| lamb flavor | FL |
| liver flavor | FL |
| meat broth concentrates | FL |
| meat flavors | FL |
| meaty dithiane | FL/FR |
| meaty enhancers | FL |
3- | mercapto-2-butanone | FL |
(R,S)-2- | mercapto-3-butanol | FL |
3- | mercapto-3-methyl butanol | FL |
2- | mercaptomethyl pyrazine | FL |
2- | mercaptopropionic acid | FL/FR |
2- | methyl 3-(methyl thio) furan | FL |
2-( | methyl thio) phenol | FL/FR |
| methyl thiofuryl butanal | 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 |
2- | methyl-3-thioacetoxytetrahydrofuran | FL |
| phenyl mercaptan | FL |
| pork flavor | FL |
roasted | pork flavor | FL |
grilled | pork flavor | FL |
| propyl 2-mercaptopropionate | FL |
| pyrazinyl ethane thiol | FL |
2- | pyridinyl methane thiol | FL |
| rabbit flavor | FL |
grilled | steak flavor | FL |
| sulfurol | FL/FR |
| sulfuryl acetate | FL/FR |
| thialdine | FL |
ortho- | thiocresol | FL |
ortho- | thioguaiacol | FL |
| turkey flavor | FL |
smoked | turkey flavor | FL |
roast | turkey flavor | FL |
| veal flavor | FL |
| venison flavor | FL |
medicinal |
2,6- | dimethoxyphenol | FL/FR |
metallic |
2,5- | dihydroxy-1,4-dithiane | FL |
moldy |
| strawberry furanone methyl ether | FL/FR |
musty |
2- | ethoxythiazole | FL |
| hazelnut pyrazine | FL/FR |
nutty |
3- | acetyl-2,5-dimethyl thiophene | FL |
3,5- | diethyl-2-methyl pyrazine | FL |
2,5- | diethyl-3-methyl pyrazine | FL |
2,6- | dimethyl pyrazine | FL/FR |
4,5- | dimethyl-2-ethyl-3-thiazoline | FL/FR |
| filbert heptenone | FL/FR |
2,6- | lutidine | FL/FR |
| methyl benzoxole | FL/FR |
2- | methyl pyrazine | FL/FR |
| nutty thiazole | FL |
| prunus amygdalus amara seed extract | FL/FR |
onion |
| furfuryl isopropyl sulfide | FL |
| methionol | FL |
phenolic |
2- | ethyl benzene thiol | FL |
popcorn |
2- | propionyl-2-thiazoline | FL |
roasted |
3,5- | diisobutyl-1,2,4-trithiolane | FL |
| furfuryl thioacetate | FL/FR |
| hexyl mercaptan | FL |
| trigonella foenum-graecum seed oil CO2 extract | FL/FR |
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 |
2,4,6- | triethyl tetrahydro-1,3,5-dithiazine | FL |
smoky |
| pyroligneous acids | FL/FR |
spicy |
hot spicy | beef flavor | FL |
sulfurous |
2,3- | butane dithiol | FL |
| butyl mercaptan | FL |
S- | ethyl thioacetate | FL |
| fish thiol | FL/FR |
| furfuryl thiopropionate | FL |
| methyl 2-methyl-3-furyl disulfide | FL |
| methyl mercaptan | FL/FR |
3- | methyl-2-butane thiol | FL |
2- | naphthyl mercaptan | FL |
3- | pentane thiol | FL |
| roasted butanol | FL |
2,4,6- | trithiaheptane 10% in triacetin | FL |
tropical |
3- | mercaptohexyl acetate | FL/FR |
vegetable |
| tyramine | FL |
waxy |
(E)-2- | undecenal | FL/FR |
yeasty |
| faex extracts | FL |
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Potential Uses:
Occurrence (nature, food, other): note
Synonyms:
2- | acetyl-4-methylthiazole | | ethanone, 1-(4-methyl-2-thiazolyl)- | 1-(4- | methyl thiazol-2-yl) ethanone | 1-(4- | methyl thiazol-2-yl)-ethanone | 1-(4- | methyl thiazol-2-yl)ethanone | 1-(4- | methyl-1,3-thiazol-2-yl)ethanone | 4- | methyl-2-acetyl thiazole | 4- | methyl-2-acetyl-thiazole | 4- | methyl-2-acetylthiazole | 1-(4- | methylthiazol-2-yl)ethanone | | thiazole, 2-acetyl-4-methyl- |
Articles:
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