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

2,4-dimethyl-3-oxazoline
2,4-dimethyl-2,5-dihydro-1,3-oxazole

Sponsors

Name:2,4-dimethyl-2,5-dihydro-1,3-oxazole
CAS Number: 77311-02-5Picture of molecule3D/inchi
FDA UNII:GPT5QGW41A
Nikkaji Web:J1.591.144A
XlogP3-AA:0.10 (est)
Molecular Weight:99.13293000
Formula:C5 H9 N O
NMR Predictor:Predict (works with chrome or firefox)
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
JECFA Food Flavoring:1558 2,4-dimethyl-3-oxazoline
FLAVIS Number:13.115 (Old)
DG SANTE Food Flavourings:13.115 2,4-dimethyl-3-oxazoline
FEMA Number:4429 2,4-dimethyl-3-oxazoline
FDA:No longer provide for the use of these seven synthetic flavoring substances
FDA Mainterm: 2,4-DIMETHYL-3-OXAZOLINE
 
Physical Properties:
Appearance:pale yellow to yellow clear liquid (est)
Assay: 95.00 to 100.00
Food Chemicals Codex Listed: No
Specific Gravity:1.00200 to 1.00800 @ 25.00 °C.
Pounds per Gallon - (est).: 8.338 to 8.388
Refractive Index:1.43100 to 1.43700 @ 20.00 °C.
Boiling Point: 141.00 °C. @ 760.00 mm Hg
Vapor Pressure:15.151000 mm/Hg @ 25.00 °C. (est)
Flash Point: 84.00 °F. TCC ( 28.89 °C. )
logP (o/w): 1.147 (est)
Soluble in:
 alcohol
 water, 2856 mg/L @ 25 °C (est)
Insoluble in:
 water
 
Organoleptic Properties:
Odor Strength:high ,
recommend smelling in a 0.10 % solution or less
Odor Description:at 0.10 % in propylene glycol. boiled beef
Odor and/or flavor descriptions from others (if found).
 
Cosmetic Information:
None found
 
Suppliers:
Axsyn
For experimental / research use only.
Oxazole,2,5-dihydro-2,4-dimethyl-
Parchem
2,4-dimethyl-3-oxazoline
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-oxazoline usage levels up to:
 not for fragrance use.
 
Maximised Survey-derived Daily Intakes (MSDI-EU): 0.026 (μg/capita/day)
Maximised Survey-derived Daily Intakes (MSDI-USA): ND (μg/capita/day)
Modified Theoretical Added Maximum Daily Intake (mTAMDI): 96 (μg/person/day)
Threshold of Concern:540 (μg/person/day)
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: 23
 average usual ppmaverage maximum ppm
baked goods: 0.400002.00000
beverages(nonalcoholic): 0.200001.00000
beverages(alcoholic): --
breakfast cereal: 0.200001.00000
cheese: 0.400002.00000
chewing gum: --
condiments / relishes: 0.200001.00000
confectionery froastings: 0.400002.00000
egg products: --
fats / oils: 0.200001.00000
fish products: 0.100000.40000
frozen dairy: 0.400002.00000
fruit ices: 0.400002.00000
gelatins / puddings: 1.000005.00000
granulated sugar: --
gravies: 1.000005.00000
hard candy: --
imitation dairy: 0.400002.00000
instant coffee / tea: --
jams / jellies: 1.000005.00000
meat products: 0.100000.40000
milk products: 0.400002.00000
nut products: --
other grains: 0.200001.00000
poultry: 0.100000.40000
processed fruits: 0.300001.50000
processed vegetables: --
reconstituted vegetables: --
seasonings / flavors: 0.200001.00000
snack foods: 0.200001.00000
soft candy: --
soups: 0.200001.00000
sugar substitutes: --
sweet sauces: 0.200001.00000
 
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): 0.400002.00000
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
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): --
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 85: Consideration of miscellaneous nitrogen-containing substances evaluated by JECFA (65th meeting)[1] - Scientific Opinion of the Scientific Panel on Food Additives, Flavourings, Processing Aids and Materials in Contact with Food
View page or View pdf

EPI System: View
EPA ACToR:Toxicology Data
EPA Substance Registry Services (SRS):Registry
Laboratory Chemical Safety Summary :53654
National Institute of Allergy and Infectious Diseases:Data
2,4-dimethyl-2,5-dihydro-1,3-oxazole
Chemidplus:0077311025
 
References:
 2,4-dimethyl-2,5-dihydro-1,3-oxazole
NIST Chemistry WebBook:Search Inchi
Pubchem (cid):53654
Pubchem (sid):135010888
 
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):HMDB40518
FooDB:FDB020284
VCF-Online:VCF Volatile Compounds in Food
ChemSpider:View
 
Potential Blenders and core components note
For Odor
alliaceous
dimethyl trisulfide
FL/FR
burnt
rum ether
FL/FR
chocolate
2,5-
dimethyl pyrazine
FL/FR
2,6-
dimethyl pyrazine
FL/FR
coffee
2-
methyl-3-,5 or 6-(furfuryl thio) pyrazine
FL/FR
earthy
nutty pyrazine
FL/FR
fermented
ethyl crotonate
FL/FR
fruity
tropical thiazole
FL/FR
tropical trithiane
FL/FR
green
2-
heptyl furan
FL/FR
(E,Z)-2,6-
nonadienal
FL/FR
meaty
meaty dithiane
FL/FR
4-
methyl nonanoic acid
FL/FR
sulfurol
FL/FR
sulfuryl acetate
FL/FR
moldy
strawberry furanone methyl ether
FL/FR
musty
hazelnut pyrazine
FL/FR
nutty
2-
ethyl-4-methyl thiazole
FL/FR
2-
methyl-3-(methyl thio) pyrazine
FL/FR
2,4,5-
trimethyl oxazole
FL/FR
phenolic
2,3-
dimethyl benzofuran
FL/FR
ortho-
guaiacol
FL/FR
4-
vinyl phenol
FL/FR
smoky
pyroligneous acids
FL/FR
sulfurous
benzothiazole
FL/FR
ethyl 2-mercaptopropionate
FL/FR
ethyl 3-mercaptopropionate
FL/FR
fish thiol
FL/FR
2-
mercaptopropionic acid
FL/FR
4-
methyl 4-mercaptopentan-2-one 1% solution
FL/FR
2-(
methyl thio) phenol
FL/FR
tobacco
methyl benzoxole
FL/FR
For Flavor
No flavor group found for these
4-
acetyl-2-methyl pyrimidine
FL
amyl mercaptan
FL
benzyl methyl sulfide
FL
1,2-
butane dithiol
FL
2-(2-
butyl)-4,5-dimethyl-3-thiazoline
FL
2,5-
diethyl thiazole
FL
dihydro-2,4,6-trimethyl-1,3,5(4H)-dithiazine
FL
dimethyl tetrasulfide
FL
2,6-
dimethyl-3-((2-methyl-3-furyl)thio)-4-heptanone
FL
bis(2,5-
dimethyl-3-furyl) disulfide
FL
(Z+E)-2,5-
dimethyl-3-tetrahydrofuran thiol
FL
(Z+E)-2,5-
dimethyl-3-thioacetoxytetrahydrofuran
FL
2,5-
dimethyl-3-thiofuroyl furan
FL
S-
ethyl 2-acetyl aminoethane thioate
FL
ethyl 3-mercaptopropionate
FL/FR
2-
ethyl-3-methyl thiopyrazine
FL
(Z+E)-5-
ethyl-4-methyl-2-(2-butyl) thiazoline
FL
(Z+E)-5-
ethyl-4-methyl-2-(2-methyl propyl) thiazoline
FL
2-
formyl pyrrole
FL
2-
hexyl thiophene
FL
1-(3-
hydroxy-5-methyl-2-thienyl) ethanone
FL
4-
mercapto-3-methyl-2-butanol
FL
4-
methyl 4-mercaptopentan-2-one 1% solution
FL/FR
methyl dihydrofuran thiol
FL
2-
methyl thiazolidine
FL
2-
methyl-1-butane thiol
FL
4-
methyl-2-(methyl thiomethyl)-2-hexenal
FL
2-
methyl-2-thiazoline
FL
2-
methyl-3-,5 or 6-(furfuryl thio) pyrazine
FL/FR
2-
methyl-3-(methyl thio) pyrazine
FL/FR
3-((2-
methyl-3-furyl)thio)-4-heptanone
FL
4-((2-
methyl-3-furyl)thio)-5-nonanone
FL
1,9-
nonane dithiol
FL
1-
phenethyl mercaptan
FL
iso
propyl disulfide
FL
thiazole
FL
3-
thienyl mercaptan
FL
thioacetic acid
FL
3,5-
diisopropyl-1,2,4-trithiolane
FL
3,5-
dimethyl-1,2,4-trithiolane
FL
3,7-
dimethyl-2,6-octadien-1-yl cyclopropyl carboxamide
FL
4-
mercapto-2-pentanone 1% in acetoin
FL
2-
methyl-1-methyl thio-2-butene
FL
pyrrolidino-(1,2E)-4H-2,4-dimethyl-1,3,5-dithiazine
FL
1-(2-
thienyl) butanone
FL
alliaceous
alliaceous
allyl disulfide
FL
1,3-
butane dithiol
FL
cyclopentyl mercaptan
FL
dimethyl trisulfide
FL/FR
3-
mercapto-2-pentanone
FL
tropical thiazole
FL/FR
burnt
bacon dithiazine
FL
1,6-
hexane dithiol
FL
rum ether
FL/FR
2,4,5-
trimethyl oxazole
FL/FR
chemical
2,3-
dimethyl benzofuran
FL/FR
2,5-
dimethyl furan
FL
coffee
2,4-
dimethyl thiazole
FL
2-
ethyl-4-methyl thiazole
FL/FR
earthy
1,8-
octane dithiol
FL
eggy
iso
propyl mercaptan
FL
fatty
2-
heptyl furan
FL/FR
4-
methyl nonanoic acid
FL/FR
2-
pentyl thiophene
FL
fruity
tropical trithiane
FL/FR
green
4-
methyl thiazole
FL
(E,Z)-2,6-
nonadienal
FL/FR
4-
penten-1-yl acetate
FL
meaty
4-
allyl-2,6-dimethoxyphenol
FL
benzothiazole
FL/FR
2,6-
dimethyl thiophenol
FL
2,5-
dimethyl-3-furan thiol
FL
1,1-
ethane dithiol 1% in ethanol 94.5% / ethyl acetate 4%
FL
furfuryl 2-methyl-3-furyl disulfide
FL
meaty dithiane
FL/FR
3-
mercapto-2-butanone
FL
2-
mercaptomethyl pyrazine
FL
2-
mercaptopropionic acid
FL/FR
2-
methyl 3-(methyl thio) furan
FL
2-(
methyl thio) phenol
FL/FR
methyl thiofuryl butanal
FL
12-
methyl tridecanal
FL
bis(2-
methyl-3-furyl) disulfide
FL
S-(2-
methyl-3-furyl) ethane thioate
FL
2-
methyl-3-tetrahydrofuran thiol
FL
2-
methyl-3-thioacetoxytetrahydrofuran
FL
phenyl mercaptan
FL
propyl 2-mercaptopropionate
FL
pyrazinyl ethane thiol
FL
2-
pyridinyl methane thiol
FL
sulfurol
FL/FR
sulfuryl acetate
FL/FR
thialdine
FL
ortho-
thiocresol
FL
ortho-
thioguaiacol
FL
metallic
2,5-
dihydroxy-1,4-dithiane
FL
moldy
strawberry furanone methyl ether
FL/FR
musty
2,5-
dimethyl pyrazine
FL/FR
hazelnut pyrazine
FL/FR
nutty
3-
acetyl-2,5-dimethyl thiophene
FL
2-
acetyl-4-methyl thiazole
FL
3,5-
diethyl-2-methyl pyrazine
FL
2,5-
diethyl-3-methyl pyrazine
FL
2,6-
dimethyl pyrazine
FL/FR
methyl benzoxole
FL/FR
nutty pyrazine
FL/FR
nutty thiazole
FL
onion
ethyl 2-mercaptopropionate
FL/FR
furfuryl isopropyl sulfide
FL
phenolic
2-
ethyl benzene thiol
FL
4-
vinyl phenol
FL/FR
popcorn
2-
propionyl-2-thiazoline
FL
radish
3-(
methyl thio) propyl mercaptoacetate
FL
rummy
ethyl crotonate
FL/FR
smoky
prosopis juliflora wood extract
FL
pyroligneous acids
FL/FR
sulfurous
2,3-
butane dithiol
FL
butyl mercaptan
FL
ethyl methyl sulfide
FL
S-
ethyl thioacetate
FL
fish thiol
FL/FR
methyl 2-methyl-3-furyl disulfide
FL
3-
methyl-2-butane thiol
FL
2-
naphthyl mercaptan
FL
roasted butanol
FL
vegetable
tyramine
FL
wasabi
2-(
methyl thio) ethyl acetate
FL
woody
ortho-
guaiacol
FL/FR
yeasty
faex extracts
FL
 
Potential Uses:
FLbeef
FLmeat
 
Occurrence (nature, food, other):note
 bacon fried bacon
Search PMC Picture
 beef cooked beef
Search PMC Picture
 meat boiled meats
Search PMC Picture
 peanut roasted peanut
Search Trop Picture
 
Synonyms:
2,4-dimethyl-2,5-dihydro-1,3-oxazole
 oxazole, 2,5-dihydro-2,4-dimethyl-
 
 
Notes:
Used as a food additive [EAFUS]
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