2,5-dimethyl-4-ethyl oxazole

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4-ethyl-2,5-dimethyl-1,3-oxazole

CAS: 30408-61-8 C7 H11 N O MW: 125.17087000 burnt green

Identification

Name2,5-dimethyl-4-ethyl oxazole
IUPAC4-ethyl-2,5-dimethyl-1,3-oxazole
CAS Number30408-61-8
EINECS250-181-7
FDA UNIIU945161N18
Molecular FormulaC7 H11 N O
Molecular Weight125.17087000
Nikkaji NumberJ45.586E

Regulatory

JECFA Food Flavoring1554 4-ethyl-2,5-dimethyloxazole
DG SANTE Food Flavourings13.118 2,5-dimethyl-4-ethyloxazole
FEMA Number4395
FDANo longer provide for the use of these seven synthetic flavoring substances
FDA Mainterm (SATF)30408-61-8 ; 2,5-DIMETHYL-4-ETHYLOXAZOLE

Physical Properties

Appearance pale yellow to yellow clear liquid (est)
Assay 95.00 to 100.00
Food Chemicals Codex Listed No
Specific Gravity 0.95700 to 0.96300 @ 25.00 °C.
Pounds per Gallon - (est). 7.963 to 8.013
Refractive Index 1.44100 to 1.44700 @ 20.00 °C.
Boiling Point 150.00 °C. @ 760.00 mm Hg
Vapor Pressure 3.106000 mmHg @ 25.00 °C. (est)
Flash Point 131.00 °F. TCC ( 55.00 °C. )
logP (o/w) 1.715 (est)
Soluble in alcohol
Insoluble in water

Organoleptic Properties

Odor Description at 0.10 % in propylene glycol.
Taste Description at 5.00 ppm.

Safety Information

Oral/Parenteral ToxicityNot determined
Dermal ToxicityNot determined
Inhalation ToxicityNot determined

GHS Classification

['GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)', 'GHS Label elements, including precautionary statements']

Safety in Use

Categoryflavoring agents
Recommendation for 2,5-dimethyl-4-ethyl oxazole usage levels up tonot for fragrance use.
Maximised Survey-derived Daily Intakes (MSDI-EU)0.0012 (μg/capita/day)
Maximised Survey-derived Daily Intakes (MSDI-USA)0.20 (μg/capita/day)
Modified Theoretical Added Maximum Daily Intake (mTAMDI)96 (μg/person/day)
Threshold of Concern540 (μg/person/day)
baked goods0.40000
beverages(nonalcoholic)0.20000
beverages(alcoholic)-
breakfast cereal0.20000
cheese0.40000
chewing gum-
condiments / relishes0.20000
confectionery froastings0.40000
egg products-
fats / oils0.20000
fish products0.10000
frozen dairy0.40000
fruit ices0.40000
gelatins / puddings1.00000
granulated sugar-
gravies1.00000
hard candy-
imitation dairy0.40000
instant coffee / tea-
jams / jellies1.00000
meat products0.10000
milk products0.40000
nut products-
other grains0.20000
poultry0.10000
processed fruits0.30000
processed vegetables-
reconstituted vegetables-
seasonings / flavors0.20000
snack foods0.20000
soft candy-
soups0.20000
sugar substitutes-
sweet sauces0.20000
Dairy products, excluding products of category 02.0 (01.0)0.40000
Fats and oils, and fat emulsions (type water-in-oil) (02.0)0.20000
Edible ices, including sherbet and sorbet (03.0)0.40000
Processed fruit (04.1)0.30000
Processed vegetables (incl. mushrooms & fungi, roots & tubers, pulses and legumes), and nuts & seeds (04.2)-
Confectionery (05.0)0.40000
Chewing gum (05.3)-
Cereals and cereal products, incl. flours & starches from roots & tubers, pulses & legumes, excluding bakery (06.0)0.20000
Bakery wares (07.0)0.40000
Meat and meat products, including poultry and game (08.0)0.10000
Fish and fish products, including molluscs, crustaceans and echinoderms (MCE) (09.0)0.10000
Eggs and egg products (10.0)-
Sweeteners, including honey (11.0)-
Salts, spices, soups, sauces, salads, protein products, etc. (12.0)0.20000
Foodstuffs intended for particular nutritional uses (13.0)0.40000
Non-alcoholic ("soft") beverages, excl. dairy products (14.1)-
Alcoholic beverages, incl. alcohol-free and low-alcoholic counterparts (14.2)0.40000
Ready-to-eat savouries (15.0)1.00000
Composite foods (e.g. casseroles, meat pies, mincemeat) - foods that could not be placed in categories 01.0 - 15.0 (16.0)0.20000

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Potential Uses

FL coffee FL nut

Natural Occurrence

coffee PMC potato fried potato

Synonyms

2,5- dimethyl-4-ethyloxazole 4- ethyl-2,5-dimethyl oxazole 4- ethyl-2,5-dimethyl-1,3-oxazole 4- ethyl-2,5-dimethyloxazole oxazole, 2,5-dimethyl-4-ethyl- oxazole, 4-ethyl-2,5-dimethyl- Info: miscellaneous nitrogen derivatives