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2-ethyl-2,5-dihydro-4-methyl thiazole
2-ethyl-4-methyl-2,5-dihydrothiazole

Supplier Sponsors

Name:2-ethyl-4-methyl-2,5-dihydrothiazole
CAS Number: 41803-21-8Picture of molecule3D/inchi
FDA UNII:70OP45638A
Nikkaji Web:J2.955.135I
XlogP3-AA:1.40 (est)
Molecular Weight:129.22567000
Formula:C6 H11 N S
NMR Predictor:Predict (works with chrome or firefox)
EFSA/JECFA Comments:
S.C.: 2-3% 2-Ethyl-4-methyl-4,5-dihydrothiazole-4-ol; 2-3% 3,4-Dimethylthiophene; 2-3% 2-Ethyl-4-methylthiazole
Category:flavoring agents
 
US / EU / FDA / JECFA / FEMA / FLAVIS / Scholar / Patent Information:
Google Scholar:Search
Google Books:Search
Google Scholar: with word "volatile"Search
Google Scholar: with word "flavor"Search
Google Scholar: with word "odor"Search
Perfumer and Flavorist:Search
Google Patents:Search
US Patents:Search
EU Patents:Search
Pubchem Patents:Search
PubMed:Search
NCBI:Search
JECFA Food Flavoring:2114 2-ethyl-2,5-dihydro-4-methylthiazole
FEMA Number:4695 2-ethyl-2,5-dihydro-4-methylthiazole
FDA:No longer provide for the use of these seven synthetic flavoring substances
FDA Mainterm: 2-ETHYL-2,5-DIHYDRO-4-METHYLTHIAZOLE
 
Physical Properties:
Appearance:pale yellow clear liquid (est)
Assay: 90.00 to 100.00
Food Chemicals Codex Listed: No
Specific Gravity:0.99000 to 1.09000 @ 20.00 °C.
Pounds per Gallon - (est).: 8.247 to 9.080
Refractive Index:1.51000 to 1.51200 @ 20.00 °C.
Boiling Point: 188.00 to 189.00 °C. @ 760.00 mm Hg (est)
Vapor Pressure:0.816000 mm/Hg @ 25.00 °C. (est)
Flash Point: 154.00 °F. TCC ( 67.90 °C. ) (est)
logP (o/w): 3.027 (est)
Soluble in:
 alcohol
 water, 160.2 mg/L @ 25 °C (est)
Insoluble in:
 water
 
Organoleptic Properties:
Odor Type: nutty
Odor Strength:high ,
recommend smelling in a 0.10 % solution or less
nutty roasted vegetable
Odor Description:at 0.10 % in propylene glycol. nutty roasted vegetable
Flavor Type: fruity
tropical fruit tropical fruit peach catty meaty
Taste Description: at 100.00 ppb in water. tropical fruit peach slightly catty and meaty
Odor and/or flavor descriptions from others (if found).
 
Cosmetic Information:
None found
 
Suppliers:
Parchem
2-ethyl-2,5-dihydro-4-methyl thiazole
Sigma-Aldrich
Ethyl-2,5-dihydro-4-methylthiazole, ≥95%
Certified Food Grade Products
Chemical Sources Association
Need This Item for Flavor/Food?: You can contact the Chemical Sources Association
 
Safety Information:
Preferred SDS: View
 
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-ethyl-2,5-dihydro-4-methyl thiazole usage levels up to:
 not for fragrance use.
 
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: 25
 average usual ppmaverage maximum ppm
baked goods: --
beverages(nonalcoholic): 0.100000.50000
beverages(alcoholic): 0.100000.50000
breakfast cereal: --
cheese: --
chewing gum: 0.200000.50000
condiments / relishes: --
confectionery froastings: --
egg products: --
fats / oils: --
fish products: --
frozen dairy: 0.100000.50000
fruit ices: 0.100000.50000
gelatins / puddings: 0.100000.50000
granulated sugar: --
gravies: 0.100000.50000
hard candy: 0.100000.50000
imitation dairy: --
instant coffee / tea: --
jams / jellies: --
meat products: --
milk products: --
nut products: --
other grains: --
poultry: --
processed fruits: --
processed vegetables: --
reconstituted vegetables: --
seasonings / flavors: 0.100000.50000
snack foods: --
soft candy: --
soups: 0.100000.50000
sugar substitutes: --
sweet sauces: 0.100000.50000
 
Safety References:
EPI System: View
EPA ACToR:Toxicology Data
EPA Substance Registry Services (SRS):Registry
Laboratory Chemical Safety Summary :58165301
National Institute of Allergy and Infectious Diseases:Data
WGK Germany:3
2-ethyl-4-methyl-2,5-dihydrothiazole
Chemidplus:0041803218
 
References:
 2-ethyl-4-methyl-2,5-dihydrothiazole
NIST Chemistry WebBook:Search Inchi
Pubchem (cid):58165301
Pubchem (sid):252299739
 
Other Information:
(IUPAC):Atomic Weights of the Elements 2009
(IUPAC):Atomic Weights of the Elements 2009 (pdf)
Videos:The Periodic Table of Videos
tgsc:Atomic Weights use for this web site
(IUPAC):Periodic Table of the Elements
FDA Everything Added to Food in the United States (EAFUS):View
HMDB (The Human Metabolome Database):Search
VCF-Online:VCF Volatile Compounds in Food
ChemSpider:View
 
Potential Blenders and core components note
For Odor
caramellic
iso
propenyl pyrazine
FL/FR
chocolate
2,5-
dimethyl pyrazine
FL/FR
green
2-tert-
butyl pyrazine
FL/FR
2-
heptyl furan
FL/FR
marigold pot absolute
FL/FR
nutty
2-
acetyl-3-methyl pyrazine
FL/FR
2-
acetyl-3,5-dimethyl pyrazine
FL/FR
2-
acetyl-3,5(or 6)-dimethyl pyrazine
FL/FR
3,6-
cocoa pyrazine
FL/FR
filbert heptenone B
FL/FR
methoxymethyl pyrazine
FL/FR
nutty quinoxaline
FL/FR
sesame absolute
FL/FR
For Flavor
No flavor group found for these
amyl mercaptan
FL
2-tert-
butyl pyrazine
FL/FR
6,7-
dimethyl dihydrocyclopentapyrazine
FL
2,5-
dimethyl pyrazine and 2,6-dimethyl pyrazine mixture
FL
methyl 2-(methyl thio) acetate
FL
pyrazines mixture
FL
5-
acetyl-2,3-dihydro-1,4-thiazine
FL
burnt
burnt
iso
propenyl pyrazine
FL/FR
fatty
2-
heptyl furan
FL/FR
fishy
4,5-
dimethyl thiazole
FL
green
marigold pot absolute
FL/FR
musty
2,5-
dimethyl pyrazine
FL/FR
2-
ethoxythiazole
FL
nutty
3-
acetyl-2,5-dimethyl thiophene
FL
2-
acetyl-3-methyl pyrazine
FL/FR
2-
acetyl-3,5-dimethyl pyrazine
FL/FR
2-
acetyl-3,5(or 6)-dimethyl pyrazine
FL/FR
arachis hypogaea fruit extract
FL
3,6-
cocoa pyrazine
FL/FR
1-
ethyl-2-acetyl pyrrole
FL
filbert heptenone B
FL/FR
methoxymethyl pyrazine
FL/FR
nutty quinoxaline
FL/FR
sesame absolute
FL/FR
roasted
3,5-
diisobutyl-1,2,4-trithiolane
FL
 
Potential Uses:
None Found
 
Occurrence (nature, food, other):note
 onion sprout
Search Trop Picture
 
Synonyms:
2-ethyl-2,5-dihydro-4-methylthiazole
2-ethyl-4-methyl-2,5-dihydrothiazole
2-ethyl-4-methyl-3-thiazoline
 thiazole, 2-ethyl-2,5-dihydro-4-methyl-
 
 
Notes:
Chemical Nomenclature provided by BARK Information Services.
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