Category:flavoring agents
US / EU / FDA / JECFA / FEMA / FLAVIS / Scholar / Patent Information:
Physical Properties:
Appearance: | colorless solid (est) |
Assay: | 95.00 to 100.00
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Food Chemicals Codex Listed: | No |
Melting Point: | 102.00 °C. @ 760.00 mm Hg
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Boiling Point: | 165.00 to 167.00 °C. @ 760.00 mm Hg
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Vapor Pressure: | 2.232000 mmHg @ 25.00 °C. (est) |
Flash Point: | 131.00 °F. TCC ( 55.00 °C. )
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logP (o/w): | 2.518 (est) |
Soluble in: |
| alcohol | | water, 474.7 mg/L @ 25 °C (est) |
Insoluble in: |
| water |
Organoleptic Properties:
Odor and/or flavor descriptions from others (if found). |
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 2,4-dimethyl-3-thiazoline usage levels up to: | | not for fragrance use.
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Maximised Survey-derived Daily Intakes (MSDI-EU): | 0.012 (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): | 0.20000 | 1.00000 |
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): | 0.20000 | 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...
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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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Statement on List of Representative Substances for Testing.
The current Statement lays down a list of substances in sub-groups with representative substances for which additional data are required prior to their evaluation through the Procedure (Regulation (EC) No 1565/2000). 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 :108501 |
National Institute of Allergy and Infectious Diseases:Data |
2,4-dimethyl-2,5-dihydro-1,3-thiazole |
Chemidplus:0060755057 |
References:
Other Information:
Potential Blenders and core components note
For Odor |
No odor group found for these |
sulfuryl octanoate FL/FR |
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sulfuryl butyrate FL/FR |
sulfuryl decanoate FL/FR |
sulfuryl hexanoate FL/FR |
sulfuryl isobutyrate FL/FR |
sulfuryl propionate FL/FR |
valeraldehyde dibutyl acetal FL/FR |
valeraldehyde propylene glycol acetal FL/FR |
balsamic |
balsamic |
propyl benzoate FL/FR |
bready |
coffee furanone 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 |
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 |
corn chip |
popcorn pyrimidine FL/FR |
coumarinic |
coumane FL/FR |
tonka bean resinoid FR |
earthy |
2- ethyl-3-methoxypyrazine FL/FR |
fatty |
coconut absolute FL/FR |
fermented |
propyl nonanoate FL/FR |
valeraldehyde FL/FR |
floral |
boronia butenal FR |
para- cresyl laurate FL/FR |
ortho- methyl acetophenone FL/FR |
phenethyl butyrate FL/FR |
fruity |
allyl 2-ethyl butyrate FL/FR |
iso amyl nonanoate FL/FR |
ethyl 3,5,5-trimethyl hexanoate FR |
methyl valerate FL/FR |
3- methyl-2-butenal FL/FR |
tropical thiazole FL/FR |
green |
2- heptyl furan FL/FR |
(E,Z)-2,6- nonadien-1-yl acetate FL/FR |
herbal |
saffron pyranone 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 |
maraniol CS |
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 |
spicy |
3-(2- furyl) acrolein FL/FR |
sulfurous |
benzothiazole FL/FR |
furfuryl thioacetate FL/FR |
tobacco |
veltonal (Bedoukian) FR |
tonka |
coumarin FR |
tonka bean absolute FR |
whiskey lactone FL/FR |
yeasty |
laevo- glutamic acid CS |
2- octen-4-one FL/FR |
For Flavor |
No flavor group found for these |
acetyl acetaldehyde dimethyl acetal FL |
bornyl isobutyrate FL/FR |
butyramide FL |
chocolate pyrazine A FL/FR |
chocolate pyrazine B FL |
coumane FL/FR |
cyclohexyl methyl pyrazine FL |
2,5- diethyl thiazole FL |
2,5- diethyl-4-methyl thiazole FL |
6,7- dihydro-2,3-dimethyl-5H-cyclopentapyrazine FL |
dimethyl dihydrocyclopentapyrazine FL |
2,5- dimethyl thiazole FL |
ethyl 2-hydroxy-2-methyl butyrate FL/FR |
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 |
2- methyl-3-(methyl thio) pyrazine FL/FR |
2- methyl-3-ethoxypyrazine FL/FR |
peanut dithiazine FL |
propyl nonanoate FL/FR |
2- propyl pyridine FL |
para- salicylic acid FL |
sulfuryl butyrate FL/FR |
sulfuryl decanoate FL/FR |
sulfuryl hexanoate FL/FR |
sulfuryl isobutyrate FL/FR |
valeraldehyde propylene glycol acetal FL/FR |
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5- acetyl-2,3-dihydro-1,4-thiazine FL |
sulfuryl formate FL |
sulfuryl octanoate FL/FR |
sulfuryl propionate FL/FR |
valeraldehyde dibutyl acetal FL/FR |
alliaceous |
alliaceous |
2- methyl thioacetaldehyde FL |
tropical thiazole FL/FR |
anisic |
ortho- methyl acetophenone FL/FR |
bready |
2- propionyl thiazole FL |
burnt |
2- methyl quinoxaline FL |
2,4,5- trimethyl oxazole FL/FR |
buttery |
butyroin FL |
3,4- hexane dione FL/FR |
camphoreous |
ortho- methyl anisole FL/FR |
coffee |
difurfuryl ether FL |
diisoamyl thiomalate 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 |
2- methyl-3-propyl pyrazine FL/FR |
ethereal |
allyl 2-ethyl butyrate FL/FR |
fatty |
coconut absolute FL/FR |
(E,E)-2,4- decadienal FL |
2- heptyl furan 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 |
phenethyl butyrate FL/FR |
propyl benzoate 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 |
2- vinyl pyrazine FL |
lactonic |
gamma- heptalactone FL/FR |
meaty |
benzothiazole FL/FR |
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 |
3,5- cocoa pyrazine FL/FR |
3,6- 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 |
european hazelnut oleoresin FL |
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 |
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 |
popcorn |
2- propionyl-2-thiazoline FL |
roasted |
2- acetyl pyrazine FL/FR |
furfuryl thioacetate FL/FR |
toasted |
acetyl propionyl FL/FR |
vegetable |
2- octen-4-one FL/FR |
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 |
Potential Uses:
Occurrence (nature, food, other): note
Synonyms:
2,5- | dihydro-2,4-dimethyl thiazole | 2,5- | dihydro-2,4-dimethylthiazole | 2,4- | dimethyl-2,5-dihydro-1,3-thiazole | | thiazole, 2,5-dihydro-2,4-dimethyl- |
Articles:
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