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

2-ethyl-4,5-dimethyl oxazole
2-ethyl-4,5-dimethyloxazole

Supplier Sponsors

Name:2-ethyl-4,5-dimethyl-1,3-oxazole
CAS Number: 53833-30-0Picture of molecule3D/inchi
ECHA EINECS - REACH Pre-Reg:258-815-4
FDA UNII:0W53S23NG4
Nikkaji Web:J45.585G
MDL:MFCD00036664
XlogP3-AA:2.00 (est)
Molecular Weight:125.17087000
Formula:C7 H11 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:1555 2-ethyl-4,5-dimethyloxazole
FLAVIS Number:13.091 (Old)
DG SANTE Food Flavourings:13.091 4,5-dimethyl-2-ethyloxazole
FEMA Number:3672 2-ethyl-4,5-dimethyloxazole
FDA:No longer provide for the use of these seven synthetic flavoring substances
FDA Mainterm (SATF):53833-30-0 ; 2-ETHYL-4,5-DIMETHYLOXAZOLE
 
Physical Properties:
Appearance:colorless to yellow clear liquid (est)
Assay: 98.00 to 100.00
Food Chemicals Codex Listed: No
Specific Gravity:0.93800 to 0.94800 @ 25.00 °C.
Pounds per Gallon - (est).: 7.805 to 7.888
Refractive Index:1.44100 to 1.45100 @ 20.00 °C.
Boiling Point: 60.00 °C. @ 18.00 mm Hg
Boiling Point: 137.00 °C. @ 732.00 mm Hg
Vapor Pressure:2.359000 mmHg @ 25.00 °C. (est)
Vapor Density:4.3 ( Air = 1 )
Flash Point: 112.00 °F. TCC ( 44.44 °C. )
logP (o/w): 1.715 (est)
Soluble in:
 alcohol
 water, 949.3 mg/L @ 25 °C (est)
Insoluble in:
 water
 
Organoleptic Properties:
Odor Type: green
Odor Strength:high ,
recommend smelling in a 1.00 % solution or less
green creamy vegetable earthy
Odor Description:at 1.00 % in propylene glycol. green creamy vegetable earthy
Odor and/or flavor descriptions from others (if found).
Bedoukian Research
2-ETHYL-4,5-DIMETHYL OXAZOLE
Odor Description:A green vegetable and earthy odor
Taste Description:green
Used in baked goods, soup, gravy, coffee flavors.
R C Treatt & Co Ltd
2-Ethyl-4,5-dimethyloxazole Halal, Kosher
Odor Description:Green, vegetable, earthy
Taste Description:green
Used in vegetable, meat, soup, nut, chocolate, coffee and tea flavours. Normal use levels in finished consumer product: 0.05-1 ppm. Flash point 43 deg C: hazardous 3.3: flammable.
 
Cosmetic Information:
None found
 
Suppliers:
Bedoukian Research
2-ETHYL-4,5-DIMETHYL OXAZOLE
Odor: A green vegetable and earthy odor
Flavor: green
Used in baked goods, soup, gravy, coffee flavors.
BOC Sciences
For experimental / research use only.
2-Ethyl-4,5-dimethyloxazole
DeLong Chemicals America
2-Ethyl-4,5-dimethylthiazole
Endeavour Specialty Chemicals
2-Ethyl-4,5-dimethyloxazole 98% F&F
Speciality Chemical Product Groups
Penta International
2-ETHYL-4,5-DIMETHYL OXAZOLE
R C Treatt & Co Ltd
2-Ethyl-4,5-dimethyloxazole
Halal, Kosher
Odor: Green, vegetable, earthy
Flavor: green
Used in vegetable, meat, soup, nut, chocolate, coffee and tea flavours. Normal use levels in finished consumer product: 0.05-1 ppm. Flash point 43 deg C: hazardous 3.3: flammable.
Robinson Brothers
2-Ethyl-4,5-dimethyloxazole F&F
https://www.robinsonbrothers.uk/chemistry-competences
Santa Cruz Biotechnology
For experimental / research use only.
2-Ethyl-4,5-dimethyloxazole
Sigma-Aldrich: Aldrich
For experimental / research use only.
2-Ethyl-4,5-dimethyl-1,3-oxazole
Synerzine
2-Ethyl-4,5-dimethyl Oxazole
Taytonn
2-Ethyl-4,5-dimethyl Oxazole
Odor: Creamy, Dry, Green, Nutty, Warm
WholeChem
2-Ethyl-4,5-dimethyloxazole
 
Safety Information:
Preferred SDS: View
European information :
Most important hazard(s):
Xi - Irritant
R 10 - Flammable.
R 36/38 - Irritating to skin and eyes.
S 02 - Keep out of the reach of children.
S 16 - Keep away from sources of ignition - No Smoking.
S 24/25 - Avoid contact with skin and eyes.
S 26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S 36/37/39 - Wear suitable clothing, gloves and eye/face protection.
 
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-4,5-dimethyl oxazole 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): 0.70 (μg/capita/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: 13
Click here to view publication 13
 average usual ppmaverage maximum ppm
baked goods: -1.50000
beverages(nonalcoholic): --
beverages(alcoholic): --
breakfast cereal: -0.50000
cheese: --
chewing gum: -2.50000
condiments / relishes: --
confectionery froastings: -1.00000
egg products: --
fats / oils: --
fish products: --
frozen dairy: --
fruit ices: --
gelatins / puddings: -1.00000
granulated sugar: --
gravies: -0.50000
hard candy: --
imitation dairy: --
instant coffee / tea: -0.20000
jams / jellies: --
meat products: -0.50000
milk products: --
nut products: --
other grains: --
poultry: --
processed fruits: --
processed vegetables: --
reconstituted vegetables: --
seasonings / flavors: --
snack foods: --
soft candy: -1.00000
soups: -0.20000
sugar substitutes: --
sweet sauces: --
 
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 Substance Registry Services (TSCA):53833-30-0
EPA ACToR:Toxicology Data
EPA Substance Registry Services (SRS):Registry
Laboratory Chemical Safety Summary :62069
National Institute of Allergy and Infectious Diseases:Data
WISER:UN 1993
WGK Germany:3
2-ethyl-4,5-dimethyl-1,3-oxazole
Chemidplus:0053833300
 
References:
 2-ethyl-4,5-dimethyl-1,3-oxazole
NIST Chemistry WebBook:Search Inchi
Canada Domestic Sub. List:53833-30-0
Pubchem (cid):62069
Pubchem (sid):135020942
 
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 Substances Added to Food (formerly EAFUS):View
HMDB (The Human Metabolome Database):HMDB37865
FooDB:FDB017018
Export Tariff Code:2934.99.9090
VCF-Online:VCF Volatile Compounds in Food
ChemSpider:View
 
Potential Blenders and core components note
For Odor
balsamic
bornyl formate
FL/FR
coconut
delta-
heptalactone
FL/FR
earthy
1-
nonen-3-ol
FL/FR
1-
octen-3-ol
FL/FR
floral
linalool oxide
FL/FR
octyl acetate
FL/FR
2-
phenyl propyl acetate
FL/FR
fruity
amyl formate
FL/FR
2-
pentyl furan
FL/FR
tropical thiazole
FL/FR
tropical trithiane
FL/FR
green
2-iso
butyl thiazole
FL/FR
geranium absolute
FL/FR
geranium thiazole
FL/FR
(Z)-4-
hepten-1-ol
FL/FR
(Z)-4-
heptenal
FL/FR
(Z)-3-
hexen-1-yl (E)-crotonate
FL/FR
(Z)-3-
hexen-1-yl tiglate
FL/FR
4-
hexenol
FL/FR
2-
octen-1-ol
FL/FR
1-
penten-3-ol
FL/FR
1-
phenyl-2-pentanol
FL/FR
herbal
6-
hydroxydihydrotheaspirane (mixture of isomers)
FL/FR
melon
(Z)-6-
nonen-1-ol
FL/FR
minty
iso
propyl tiglate
FL/FR
sulfurous
grapefruit menthane
FL/FR
3-(
methyl thio) hexanol
FL/FR
vegetable
methional
FL/FR
waxy
2-
nonanol
FL/FR
octyl isobutyrate
FL/FR
For Flavor
No flavor group found for these
benzyl disulfide
FL
bornyl formate
FL/FR
(Z)-3-
hexen-1-yl (E)-crotonate
FL/FR
(E)-4-
hexenal
FL
methyl propyl sulfide
FL
2-
methyl thiazole
FL
4-(
methyl thio) butanol
FL
2-
phenyl propyl acetate
FL/FR
2-iso
propyl-3-(methyl thio) pyrazine
FL
alliaceous
alliaceous
3-
tetrahydrothiophenone
FL
tropical thiazole
FL/FR
camphoreous
6-
hydroxydihydrotheaspirane (mixture of isomers)
FL/FR
creamy
octyl isobutyrate
FL/FR
earthy
1-
nonen-3-ol
FL/FR
fatty
2-
octen-1-ol
FL/FR
fruity
amyl formate
FL/FR
1-
phenyl-2-pentanol
FL/FR
tropical trithiane
FL/FR
green
2-iso
butyl thiazole
FL/FR
dihydroxyacetophenone (mixed isomers)
FL
geranium absolute
FL/FR
geranium thiazole
FL/FR
(Z)-4-
hepten-1-ol
FL/FR
(Z)-4-
heptenal
FL/FR
(E)-2-
heptenal
FL
(Z)-3-
hexen-1-yl tiglate
FL/FR
linalool oxide
FL/FR
3-(5-
methyl-2-furyl) butanal
FL
2,4-
octadienal
FL
1-
penten-3-ol
FL/FR
2-
pentyl furan
FL/FR
2-
propyl pyrazine
FL
iso
propyl tiglate
FL/FR
propylene glycol acetone ketal
FL
lactonic
delta-
heptalactone
FL/FR
metallic
4-
hexenol
FL/FR
3-(
methyl thio) hexanol
FL/FR
mushroom
1-
octen-3-ol
FL/FR
sulfurous
grapefruit menthane
FL/FR
methyl benzyl disulfide
FL
tomato
methional
FL/FR
vegetable
radish isothiocyanate
FL
waxy
2-
nonanol
FL/FR
(Z)-6-
nonen-1-ol
FL/FR
octyl 2-furoate
FL
octyl acetate
FL/FR
 
Potential Uses:
FLcereal
FLchocolate
FLcoffee
FRearth
FLgreen
FLmeat
FLnut
FLsoup
FLsoup
FLtea
FLvegetable
 
Occurrence (nature, food, other):note
 chocolate
Search PMC Picture
 coffee
Search PMC Picture
 nut
 potato fried potato
Search Trop Picture
 tea
Search Trop Picture
 
Synonyms:
4,5-dimethyl-2-ethyl oxazole
4,5-dimethyl-2-ethyloxazole
2-ethyl 4,5-dimethyl oxazole
2-ethyl-4,5-dimethyl-1,3-oxazole
2-ethyl-4,5-dimethyloxazole
 oxazole, 2-ethyl-4,5-dimethyl-
 
 
Notes:
Flavouring ingredient. Aroma constit. of French fried potatoes and Arabica coffee
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