EU/US Properties Organoleptics Cosmetics Suppliers Safety Safety in use Safety references References Other Blenders Uses Occurrence Synonyms Articles Notes
 

2,4-dimethyl-3-thiazoline
thiazole, 2,5-dihydro-2,4-dimethyl-

Supplier Sponsors

Name:2,4-dimethyl-2,5-dihydro-1,3-thiazole
CAS Number: 60755-05-7Picture of molecule3D/inchi
ECHA EINECS - REACH Pre-Reg:262-405-0
FDA UNII: 42OL7K019G
Nikkaji Web:J268.280J
XlogP3-AA:0.90 (est)
Molecular Weight:115.19873000
Formula:C5 H9 N S
NMR Predictor:Predict (works with chrome, Edge or firefox)
EFSA/JECFA Comments:
CASrn in Register does not specify isomer. Racemate (EFFA, 2010a).
Category:flavoring agents
 
US / EU / FDA / JECFA / FEMA / FLAVIS / Scholar / Patent Information:
Google Scholar:Search
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Pubchem Patents:Search
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NCBI:Search
DG SANTE Food Flavourings:15.060 2,4-dimethyl-3-thiazoline
 
Physical Properties:
Appearance:colorless solid (est)
Assay: 95.00 to 100.00
Food Chemicals Codex Listed: No
Melting Point: 102.00 °C. @ 760.00 mm Hg
Boiling Point: 165.00 to 167.00 °C. @ 760.00 mm Hg
Vapor Pressure:2.232000 mmHg @ 25.00 °C. (est)
Flash Point: 131.00 °F. TCC ( 55.00 °C. )
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:
None found
 
Suppliers:
Chemical Sources Association
Need This Item for Flavor/Food?: You can contact the Chemical Sources Association
 
Safety Information:
 
Hazards identification
 
Classification of the substance or mixture
GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)
None found.
GHS Label elements, including precautionary statements
 
Pictogram
 
Hazard statement(s)
None found.
Precautionary statement(s)
None found.
Oral/Parenteral Toxicity:
Not determined
Dermal Toxicity:
Not determined
Inhalation Toxicity:
Not determined
 
Safety in Use Information:
Category:
flavoring agents
Recommendation for 2,4-dimethyl-3-thiazoline usage levels up to:
 not for fragrance use.
 
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
 
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/kgmaximum usage mg/kg
Dairy products, excluding products of category 02.0 (01.0): 0.400002.00000
Fats and oils, and fat emulsions (type water-in-oil) (02.0): 0.200001.00000
Edible ices, including sherbet and sorbet (03.0): 0.200001.00000
Processed fruit (04.1): 0.300001.50000
Processed vegetables (incl. mushrooms & fungi, roots & tubers, pulses and legumes), and nuts & seeds (04.2): --
Confectionery (05.0): 0.400002.00000
Chewing gum (05.3): --
Cereals and cereal products, incl. flours & starches from roots & tubers, pulses & legumes, excluding bakery (06.0): 0.200001.00000
Bakery wares (07.0): 0.400002.00000
Meat and meat products, including poultry and game (08.0): 0.100000.40000
Fish and fish products, including molluscs, crustaceans and echinoderms (MCE) (09.0): 0.100000.40000
Eggs and egg products (10.0): --
Sweeteners, including honey (11.0): --
Salts, spices, soups, sauces, salads, protein products, etc. (12.0): 0.200001.00000
Foodstuffs intended for particular nutritional uses (13.0): 0.400002.00000
Non-alcoholic ("soft") beverages, excl. dairy products (14.1): 0.200001.00000
Alcoholic beverages, incl. alcohol-free and low-alcoholic counterparts (14.2): 0.400002.00000
Ready-to-eat savouries (15.0): 1.000005.00000
Composite foods (e.g. casseroles, meat pies, mincemeat) - foods that could not be placed in categories 01.0 - 15.0 (16.0): 0.200001.00000
 
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

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

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 :108501
National Institute of Allergy and Infectious Diseases:Data
2,4-dimethyl-2,5-dihydro-1,3-thiazole
Chemidplus:0060755057
 
References:
 2,4-dimethyl-2,5-dihydro-1,3-thiazole
NIST Chemistry WebBook:Search Inchi
Pubchem (cid):108501
Pubchem (sid):135066071
 
Other Information:
(IUPAC):Atomic Weights of the Elements 2011 (pdf)
Videos:The Periodic Table of Videos
tgsc:Atomic Weights use for this web site
(IUPAC):Periodic Table of the Elements
HMDB (The Human Metabolome Database):Search
VCF-Online:VCF Volatile Compounds in Food
ChemSpider:View
 
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
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
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:
None Found
 
Occurrence (nature, food, other):note
 beef cooked beef
Search PMC Picture
 peanut roasted peanut
Search Trop Picture
 yeast
Search PMC Picture
 
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:

PubMed:Influence of endogenous ferulic acid in whole wheat flour on bread crust aroma.
PubMed:A thermal decarbonylation of penam beta-lactams.
PubMed:Instrumental and sensory characterization of heat-induced odorants in aseptically packaged soy milk.
PubMed:Comparison of three lychee cultivar odor profiles using gas chromatography-olfactometry and gas chromatography-sulfur detection.
PubMed:Identification and quantitation of key aroma compounds formed in Maillard-type reactions of fructose with cysteamine or isothiaproline (1,3-thiazolidine-2-carboxylic acid).
PubMed:Aroma-active components of nonfat dry milk.
PubMed:2-Acylimino-3H-thiazoline derivatives: a novel template for platelet GPIIb/IIIa receptor antagonists.
 
Notes:
None found
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