Name: | 2-ethyl-4,5-dimethyl-2,5-dihydro-1,3-thiazole |
CAS Number: | 76788-46-0 | 3D/inchi
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ECHA EINECS - REACH Pre-Reg: | 278-551-3 |
FDA UNII: | G7XZR26U8K |
Nikkaji Web: | J309.326C |
Beilstein Number: | 0108717 |
MDL: | MFCD01680821 |
XlogP3-AA: | 1.80 (est) |
Molecular Weight: | 143.25261000 |
Formula: | C7 H13 N S |
NMR Predictor: | Predict (works with chrome, Edge or firefox) |
EFSA/JECFA Comments: |
JECFA evaluated 4,5-dimethyl-2-ethyl-3-thiazoline (CASrn as in Register). (R)- or (S)- enantiomer not specified by CASrn in Register.
Mixture of diastereoisomers, each of them racemic (EFFA, 2013b). |
Category:flavor and fragrance agents
US / EU / FDA / JECFA / FEMA / FLAVIS / Scholar / Patent Information:
Physical Properties:
Appearance: | colorless to pale yellow clear liquid (est) |
Assay: | 98.00 to 100.00
|
Food Chemicals Codex Listed: | No |
Boiling Point: | 198.00 to 200.00 °C. @ 760.00 mm Hg
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Vapor Pressure: | 0.468000 mmHg @ 25.00 °C. (est) |
Flash Point: | 150.00 °F. TCC ( 65.56 °C. )
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logP (o/w): | 3.071 (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: |
| alcohol | | water, 61.77 mg/L @ 25 °C (est) |
Insoluble in: |
| water |
Organoleptic Properties:
Cosmetic Information:
Suppliers:
BOC Sciences |
For experimental / research use only. |
4,5-Dimethyl-2-ethyl-3-thiazoline
|
Endeavour Specialty Chemicals |
4,5-Dimethyl-2-ethyl-3-thiazoline 99% F&F
|
Speciality Chemical Product Groups |
Jinan Enlighten Chemical Technology(Wutong Aroma ) |
4,5-Dimethyl-2-ethyl-3-thiazoline
|
Penta International |
4,5-DIMETHYL-2-ETHYL-3-THIAZOLINE
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R C Treatt & Co Ltd |
2-Ethyl-4,5-dimethylthiazoline
Halal, Kosher |
Robinson Brothers |
4,5-Dimethyl-2-ethyl-3-thiazoline F&F
|
https://www.robinsonbrothers.uk/chemistry-competences |
Santa Cruz Biotechnology |
For experimental / research use only. |
2-Ethyl-4,5-dimethyl-3-thiazoline, cis + trans
|
Synerzine |
4,5-Dimethyl-2-Ethyl-3-Thiazoline
|
Synerzine |
4,5-DIMETHYL-2-ETHYL-3-THIAZOLINE
|
Safety Information:
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: |
gavage-mouse LD50 [sex: M,F] 1265 mg/kg (Moran et al., 1980)
oral-mouse LD50 1265 mg/kg Drug and Chemical Toxicology. Vol. 3, Pg. 249, 1980.
|
Dermal Toxicity: |
Not determined
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Inhalation Toxicity: |
Not determined
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Safety in Use Information:
Category: | flavor and fragrance agents |
RIFM Fragrance Material Safety Assessment: Search |
IFRA Code of Practice Notification of the 49th Amendment to the IFRA Code of Practice |
Recommendation for 4,5-dimethyl-2-ethyl-3-thiazoline usage levels up to: | | 0.0500 % in the fragrance concentrate.
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Maximised Survey-derived Daily Intakes (MSDI-EU): | 0.012 (μg/capita/day) |
Maximised Survey-derived Daily Intakes (MSDI-USA): | 0.01 (μg/capita/day) |
Structure Class: | III |
Use levels for FEMA GRAS flavoring substances on which the FEMA Expert Panel based its judgments that the substances are generally recognized as safe (GRAS). |
The Expert Panel also publishes separate extensive reviews of scientific information on all FEMA GRAS flavoring substances and can be found at FEMA Flavor Ingredient Library |
publication number: 12 |
Click here to view publication 12 |
| average usual ppm | average maximum ppm |
baked goods: | - | - |
beverages(nonalcoholic): | - | - |
beverages(alcoholic): | - | - |
breakfast cereal: | - | - |
cheese: | - | - |
chewing gum: | - | - |
condiments / relishes: | - | - |
confectionery froastings: | - | - |
egg products: | - | - |
fats / oils: | - | - |
fish products: | - | 10.00000 |
frozen dairy: | - | - |
fruit ices: | - | - |
gelatins / puddings: | - | - |
granulated sugar: | - | - |
gravies: | - | 10.00000 |
hard candy: | - | - |
imitation dairy: | - | - |
instant coffee / tea: | - | - |
jams / jellies: | - | - |
meat products: | - | 10.00000 |
milk products: | - | - |
nut products: | - | - |
other grains: | - | - |
poultry: | - | 10.00000 |
processed fruits: | - | - |
processed vegetables: | - | - |
reconstituted vegetables: | - | - |
seasonings / flavors: | - | - |
snack foods: | - | 10.00000 |
soft candy: | - | - |
soups: | - | 10.00000 |
sugar substitutes: | - | - |
sweet sauces: | - | - |
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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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 76, Revision 1 (FGE.76Rev1): Consideration of sulphur-containing heterocyclic compounds evaluated by JECFA (59th meeting) structurally related to thiazoles, thiophene, thiazoline and thienyl derivatives from chemical group 29 and miscellaneous substances from chemical group 30 evaluated by EFSA in FGE.21Rev3 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 :5362584 |
National Institute of Allergy and Infectious Diseases:Data |
WGK Germany:3 |
2-ethyl-4,5-dimethyl-2,5-dihydro-1,3-thiazole |
Chemidplus:0076788460 |
RTECS:XJ6642500 for cas# 76788-46-0 |
References:
Other Information:
Potential Blenders and core components note
For Odor |
No odor group found for these |
sulfuryl octanoate FL/FR |
|
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 |
aldehydic |
aldehydic |
iso valeraldehyde FL/FR |
alliaceous |
methyl furfuryl disulfide FL/FR |
balsamic |
2- acetyl furan FL/FR |
iso amyl cinnamate FL/FR |
amyl cinnamate FL/FR |
butyl cinnamate FL/FR |
propyl benzoate FL/FR |
buttery |
acetyl propionyl FL/FR |
3,4- hexane dione FL/FR |
camphoreous |
bornyl isobutyrate FL/FR |
caramellic |
coffee dione FL/FR |
cyclotene FL/FR |
ethyl 2-hydroxy-2-methyl butyrate FL/FR |
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- 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 |
coconut |
alpha- angelica lactone FL/FR |
gamma- heptalactone FL/FR |
coffee |
coffee difuran FL/FR |
furfuryl mercaptan FL/FR |
1- hydroxy-2-butanone FL/FR |
2- methyl-3-,5 or 6-(furfuryl thio) pyrazine FL/FR |
coumarinic |
coumane FL/FR |
tonka bean resinoid FR |
earthy |
2- ethyl-3-methoxypyrazine FL/FR |
ethereal |
iso propyl formate FL/FR |
fatty |
coconut absolute FL/FR |
fermented |
3- methyl-1-pentanol FL/FR |
valeraldehyde FL/FR |
floral |
boronia butenal FR |
para- cresyl laurate FL/FR |
ethyl phenyl acetate FL/FR |
fruity |
allyl 2-ethyl butyrate FL/FR |
iso amyl nonanoate FL/FR |
butyl 2-methyl butyrate FL/FR |
methyl valerate FL/FR |
3- methyl-2-butenal FL/FR |
green |
2- heptyl furan FL/FR |
phenyl acetaldehyde FL/FR |
tiglaldehyde FL/FR |
herbal |
saffron pyranone FR |
gamma- valerolactone FL/FR |
medicinal |
2,6- xylenol FL/FR |
milky |
laevo- glutamine CS |
musty |
2- acetyl pyrrole FL/FR |
3- acetyl-2,5-dimethyl furan FL/FR |
cocoa butenal 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 |
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 |
2,3,5- trimethyl pyrazine FL/FR |
vinyl sulfurol FL/FR |
popcorn |
2- acetyl pyrazine FL/FR |
2- acetyl thiazole FL/FR |
roasted |
fenugreek resinoid FL/FR |
spicy |
3-(2- furyl) acrolein FL/FR |
sulfurous |
benzothiazole FL/FR |
furfuryl thioacetate FL/FR |
S- furfuryl thioformate FL/FR |
2- methyl 5-(methyl thio) furan FL/FR |
tobacco |
veltonal (Bedoukian) FR |
tonka |
tonka bean absolute FR |
whiskey lactone FL/FR |
vegetable |
1- furfuryl pyrrole FL/FR |
mesityl oxide FL/FR |
waxy |
phenethyl octanoate FL/FR |
woody |
sandalwood oil FL/FR |
For Flavor |
No flavor group found for these |
acetyl acetaldehyde dimethyl acetal FL |
(E)- aconitic acid FL |
bornyl isobutyrate 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 |
butyramide FL |
chocolate pyrazine A FL/FR |
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 |
4,5- dimethyl-2-ethyl thiazole FL |
2,5- dimethyl-3-thiofuroyl furan 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 |
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 |
peanut dithiazine FL |
2- propyl pyridine FL |
pyrazines mixture 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 |
|
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 |
benzyl mercaptan FL |
dicyclohexyl disulfide FL |
2- methyl thioacetaldehyde FL |
balsamic |
amyl cinnamate FL/FR |
bitter |
methyl ethoxypyrazine FL |
paullinia cupana seed extract FL |
bready |
2- propionyl thiazole FL |
brown |
fenugreek oleoresin FL/FR |
1- hydroxy-2-butanone FL/FR |
burnt |
furfuryl alcohol FL |
2- methyl quinoxaline FL |
2,6- xylenol FL/FR |
buttery |
3,4- hexane dione FL/FR |
camphoreous |
ortho- methyl anisole FL/FR |
caramellic |
caramel furanone FL |
cyclotene FL/FR |
fenugreek resinoid FL/FR |
chocolate |
cocoa oleoresin FL/FR |
cocoa propanal FL |
cocoa |
butyraldehyde FL |
cocoa hexenal FL/FR |
coffee |
coffee difuran FL/FR |
coffee dione FL/FR |
coffee pyrazine FL |
difurfuryl ether FL |
diisoamyl thiomalate FL |
2,4- dimethyl thiazole FL |
2- ethyl-4-methyl thiazole FL/FR |
furfuryl mercaptan FL/FR |
methyl furfuryl disulfide FL/FR |
2-iso propyl pyrazine FL |
2- thiophene thiol FL |
corn chip |
2- acetyl thiazole FL/FR |
2- acetyl-2-thiazoline FL |
creamy |
alpha- angelica lactone FL/FR |
earthy |
camu camu distillates FL |
difurfuryl sulfide FL |
2- methyl-3-propyl pyrazine FL/FR |
ethereal |
allyl 2-ethyl butyrate FL/FR |
fatty |
coconut absolute FL/FR |
2- heptyl furan FL/FR |
(E,E)-2,4- nonadienal FL |
fishy |
4,5- dimethyl thiazole FL |
floral |
iso amyl cinnamate FL/FR |
iso amyl phenyl acetate FL/FR |
cocoa pentenal FL/FR |
fruity |
butyl 2-methyl butyrate FL/FR |
furfuryl propionate FL |
2,4- hexadien-1-ol FL |
methyl valerate FL/FR |
3- methyl-2-butenal FL/FR |
phenethyl octanoate FL/FR |
propyl benzoate FL/FR |
iso propyl formate FL/FR |
tiglaldehyde FL/FR |
iso valeraldehyde FL/FR |
fusel |
2- methyl butyraldehyde FL/FR |
green |
cocoa butenal FL/FR |
2,5- dimethyl thiophene FL |
2- ethyl butyraldehyde FL |
2- hexyl pyridine FL |
4- methyl thiazole FL |
2- methyl-5-isopropyl pyrazine FL |
2- vinyl pyrazine FL |
honey |
ethyl phenyl acetate FL/FR |
phenyl acetaldehyde FL/FR |
lactonic |
gamma- heptalactone FL/FR |
meaty |
benzothiazole FL/FR |
2,6- dimethyl pyrazine FL/FR |
2,6- dimethyl thiophenol FL |
2- methyl 3-(methyl thio) furan FL |
mustard |
furfuryl methyl ether FL |
musty |
2,5- dimethyl pyrazine FL/FR |
hazelnut pyrazine FL/FR |
menthofuran FL/FR |
2- methyl 5-(methyl thio) furan FL/FR |
propionaldehyde FL |
shoyu pyrazine FL/FR |
2,3,5- trimethyl pyrazine FL/FR |
naphthyl |
para- methyl anisole FL/FR |
nutty |
2- acetyl furan FL/FR |
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 |
aconitic acid FL |
3,6- cocoa pyrazine FL/FR |
3,5(6)- cocoa pyrazine FL |
3,5- cocoa pyrazine FL/FR |
3,5- diethyl-2-methyl pyrazine FL |
2,5- diethyl-3-methyl pyrazine FL |
2,3- dimethyl pyrazine 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 |
2,4,5- trimethyl thiazole FL/FR |
vinyl sulfurol FL/FR |
onion |
furfuryl isopropyl sulfide FL |
popcorn |
2- propionyl-2-thiazoline FL |
potato |
mesityl oxide FL/FR |
roasted |
2- acetyl pyrazine FL/FR |
ethyl 3-(furfuryl thio) propionate FL |
furfuryl thioacetate FL/FR |
sulfurous |
butyl mercaptan FL |
ethyl methyl sulfide FL |
S- ethyl thioacetate FL |
S- furfuryl thioformate FL/FR |
furfuryl thiopropionate FL |
methyl 2-(methyl thio) butyrate FL |
methyl thiomethyl butyrate FL |
2- thienyl mercaptan FL |
toasted |
acetyl propionyl FL/FR |
tonka |
gamma- valerolactone FL/FR |
vegetable |
1- furfuryl pyrrole FL/FR |
waxy |
para- cresyl laurate FL/FR |
whiskey |
3- methyl-1-pentanol FL/FR |
winey |
iso amyl nonanoate FL/FR |
5- ethyl-2-methyl pyridine FL |
valeraldehyde FL/FR |
woody |
sandalwood oil FL/FR |
whiskey lactone FL/FR |
Potential Uses:
Occurrence (nature, food, other): note
Synonyms:
2- | ethyl-2,5-dihydro-4,5-dimethyl thiazole | 2- | ethyl-2,5-dihydro-4,5-dimethylthiazole | 2- | ethyl-4,5-dimethyl thiazoline | 2- | ethyl-4,5-dimethyl-1,3-thiazoline | 2- | ethyl-4,5-dimethyl-2,5-dihydro-1,3-thiazole | 2- | ethyl-4,5-dimethyl-3-thiazoline | 2- | ethyl-4,5-dimethylthiazoline | | thiazole, 2-ethyl-2,5-dihydro-4,5-dimethyl- | | thiazole, 2,5-dihydro-4,5-dimethyl-2-ethyl- | 3- | thiazoline, 2-ethyl-4,5-dimethyl- | 3- | thiazoline, 4,5-dimethyl-2-ethyl- |
Articles:
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