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

General Material Information

Preferred name	2-ethyl-2,5-dihydro-4-methyl thiazole
Trivial Name	2-ethyl-4-methyl-2,5-dihydrothiazole
Formula	C6 H11 N S
CAS Number	41803-21-8
FEMA Number	4695
FDA UNII	70OP45638A
Nikkaji Number	J2.955.135I
xLogP3-AA	1.40 (est)
NMR Predictor	External link
JECFA Food Flavoring	2114 2-ethyl-2,5-dihydro-4-methylthiazole
FDA Patent	No longer provide for the use of these seven synthetic flavoring substances
FDA Mainterm	41803-21-8 ; 2-ETHYL-2,5-DIHYDRO-4-METHYLTHIAZOLE
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-

	2-ethyl-4-methyl-2,5-dihydrothiazole
NIST Chemistry WebBook:	Search Inchi
Pubchem (cid):	58165301
Pubchem (sid):	252299739

Publications by Google Patents
Use of Thiazoline Compounds in Flavor Applications
Publications by Leffingwell & Associates
Flavor Properties of FEMA GRAS List 25 flavor chemicals

(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
FDA Substances Added to Food (formerly EAFUS):	View
HMDB (The Human Metabolome Database):	Search
VCF-Online:	VCF Volatile Compounds in Food
ChemSpider:	View

Material listed in food chemical codex	No
Molecular weight	129.22567749023
Specific gravity	@ 20 °C
Pounds per Gallon	8.247 to 9.08
Refractive Index	1.51 to 1.512 @ 20 °C
Boiling Point	188 to 189°C @ 760 mm Hg
Vapor Pressure	0.816 mmHg @ 25 °C
Flash Point TCC Value	67.9 °C TCC
logP (o/w)	3.027 est
Solubility
alcohol	Yes
water, 160.2 mg/L @ 25 °C (est)	Yes
water	No

Odor Type: Nutty
nutty, roasted, vegetable
General comment	At 0.10 % in propylene glycol. nutty roasted vegetable
Flavor Type: Fruity
tropical, fruit tropical fruit, peach, catty, meaty
General comment	At 100.00 ppb in water. tropical fruit peach slightly catty and meaty

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

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
Click here to view publication 25
		average usual ppm	average maximum ppm
baked goods:		-	-
beverages(nonalcoholic):		0.10000	0.50000
beverages(alcoholic):		0.10000	0.50000
breakfast cereal:		-	-
cheese:		-	-
chewing gum:		0.20000	0.50000
condiments / relishes:		-	-
confectionery froastings:		-	-
egg products:		-	-
fats / oils:		-	-
fish products:		-	-
frozen dairy:		0.10000	0.50000
fruit ices:		0.10000	0.50000
gelatins / puddings:		0.10000	0.50000
granulated sugar:		-	-
gravies:		0.10000	0.50000
hard candy:		0.10000	0.50000
imitation dairy:		-	-
instant coffee / tea:		-	-
jams / jellies:		-	-
meat products:		-	-
milk products:		-	-
nut products:		-	-
other grains:		-	-
poultry:		-	-
processed fruits:		-	-
processed vegetables:		-	-
reconstituted vegetables:		-	-
seasonings / flavors:		0.10000	0.50000
snack foods:		-	-
soft candy:		-	-
soups:		0.10000	0.50000
sugar substitutes:		-	-
sweet sauces:		0.10000	0.50000

AIDS Citations:Search

Cancer Citations:Search

Toxicology Citations:Search

EPA Substance Registry Services (SRS):Registry

Laboratory Chemical Safety Summary :58165301

National Institute of Allergy and Infectious Diseases:Data

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

Chemidplus:0041803218