Articles:
| Info: | miscellaneous nitrogen derivatives |
4-ethyl-2,5-dimethyl-1,3-oxazole
Notes:
Constit. of Arabica coffee aroma, French fries and yeast extract
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Chemical sources Association Inc Exchange of knowledge Need This Item for Flavor? You can contact the Chemical Sources Association. Events Links Product(s):
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| CAS Number: | 30408-61-8 |  3D/inchi
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| ECHA EINECS - REACH Pre-Reg: | 250-181-7 | |
| FDA UNII: | U945161N18 | |
| Nikkaji Web: | J45.586E | |
| 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 |
| PubMed: | Search |
| NCBI: | Search |
| JECFA Food Flavoring: | 1554 4-ethyl-2,5-dimethyloxazole |
| DG SANTE Food Flavourings: | 13.118 2,5-dimethyl-4-ethyloxazole |
| FEMA Number: | 4395 2,5-dimethyl-4-ethyloxazole |
| FDA: | No 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 | |
| water, 949.3 mg/L @ 25 °C (est) | |
| Insoluble in: | |
| water | |
Organoleptic Properties:
| Odor Type: burnt | |
| burnt roasted | |
| Odor Description: at 0.10 % in propylene glycol. | burnt roasted |
| Flavor Type: green | |
| green ethereal hazelnut | |
| Taste Description: at 5.00 ppm. | green ethereal hazelnut |
| Odor and/or flavor descriptions from others (if found). | |
Cosmetic Information:
| None found |
Suppliers:
| Axsyn |
| For experimental / research use only. |
| Oxazole,4-ethyl-2,5-dimethyl- |
| BOC Sciences |
| For experimental / research use only. |
| 2,5-Dimethyl-4-ethyloxazole |
| Parchem |
| 2,5-dimethyl-4-ethyl oxazole |
| Chemical Sources Association |
| Need This Item for Flavor/Food?: You can contact the CSA |
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 2,5-dimethyl-4-ethyl oxazole usage levels up to: | |||
| not 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 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 | |||
| Click here to view publication 23 | |||
| average usual ppm | average maximum ppm | ||
| baked goods: | 0.40000 | 2.00000 | |
| beverages(nonalcoholic): | 0.20000 | 1.00000 | |
| beverages(alcoholic): | - | - | |
| breakfast cereal: | 0.20000 | 1.00000 | |
| cheese: | 0.40000 | 2.00000 | |
| chewing gum: | - | - | |
| condiments / relishes: | 0.20000 | 1.00000 | |
| confectionery froastings: | 0.40000 | 2.00000 | |
| egg products: | - | - | |
| fats / oils: | 0.20000 | 1.00000 | |
| fish products: | 0.10000 | 0.40000 | |
| frozen dairy: | 0.40000 | 2.00000 | |
| fruit ices: | 0.40000 | 2.00000 | |
| gelatins / puddings: | 1.00000 | 5.00000 | |
| granulated sugar: | - | - | |
| gravies: | 1.00000 | 5.00000 | |
| hard candy: | - | - | |
| imitation dairy: | 0.40000 | 2.00000 | |
| instant coffee / tea: | - | - | |
| jams / jellies: | 1.00000 | 5.00000 | |
| meat products: | 0.10000 | 0.40000 | |
| milk products: | 0.40000 | 2.00000 | |
| nut products: | - | - | |
| other grains: | 0.20000 | 1.00000 | |
| poultry: | 0.10000 | 0.40000 | |
| processed fruits: | 0.30000 | 1.50000 | |
| processed vegetables: | - | - | |
| reconstituted vegetables: | - | - | |
| seasonings / flavors: | 0.20000 | 1.00000 | |
| snack foods: | 0.20000 | 1.00000 | |
| soft candy: | - | - | |
| soups: | 0.20000 | 1.00000 | |
| sugar substitutes: | - | - | |
| sweet sauces: | 0.20000 | 1.00000 | |
| 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/kg | maximum usage mg/kg | ||
| Dairy products, excluding products of category 02.0 (01.0): | 0.40000 | 2.00000 | |
| Fats and oils, and fat emulsions (type water-in-oil) (02.0): | 0.20000 | 1.00000 | |
| Edible ices, including sherbet and sorbet (03.0): | 0.40000 | 2.00000 | |
| Processed fruit (04.1): | 0.30000 | 1.50000 | |
| Processed vegetables (incl. mushrooms & fungi, roots & tubers, pulses and legumes), and nuts & seeds (04.2): | - | - | |
| Confectionery (05.0): | 0.40000 | 2.00000 | |
| Chewing gum (05.0): | - | - | |
| Cereals and cereal products, incl. flours & starches from roots & tubers, pulses & legumes, excluding bakery (06.0): | 0.20000 | 1.00000 | |
| Bakery wares (07.0): | 0.40000 | 2.00000 | |
| Meat and meat products, including poultry and game (08.0): | 0.10000 | 0.40000 | |
| Fish and fish products, including molluscs, crustaceans and echinoderms (MCE) (09.0): | 0.10000 | 0.40000 | |
| Eggs and egg products (10.0): | - | - | |
| Sweeteners, including honey (11.0): | - | - | |
| Salts, spices, soups, sauces, salads, protein products, etc. (12.0): | 0.20000 | 1.00000 | |
| Foodstuffs intended for particular nutritional uses (13.0): | 0.40000 | 2.00000 | |
| Non-alcoholic ("soft") beverages, excl. dairy products (14.1): | - | - | |
| Alcoholic beverages, incl. alcohol-free and low-alcoholic counterparts (14.2): | 0.40000 | 2.00000 | |
| Ready-to-eat savouries (15.0): | 1.00000 | 5.00000 | |
| Composite foods (e.g. casseroles, meat pies, mincemeat) - foods that could not be placed in categories 01.0 - 15.0 (16.0): | 0.20000 | 1.00000 | |
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 |
| AIDS Citations: | Search |
| Cancer Citations: | Search |
| Toxicology Citations: | Search |
| EPA ACToR: | Toxicology Data |
| EPA Substance Registry Services (SRS): | Registry |
| Laboratory Chemical Safety Summary : | 121694 |
| National Institute of Allergy and Infectious Diseases: | Data |
| 4-ethyl-2,5-dimethyl-1,3-oxazole | |
| Chemidplus: | 0030408618 |
References:
| 4-ethyl-2,5-dimethyl-1,3-oxazole | |
| NIST Chemistry WebBook: | Search Inchi |
| Pubchem (cid): | 121694 |
| Pubchem (sid): | 135079377 |
Other Information:
| (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): | HMDB37866 |
| FooDB: | FDB017019 |
| YMDB (Yeast Metabolome Database): | YMDB01499 |
| VCF-Online: | VCF Volatile Compounds in Food |
| ChemSpider: | View |
Potential Blenders and core components note
Potential Uses:
| coffee | FL | |
| nut | FL |
Occurrence (nature, food, other): note
| coffee Search PMC Picture | |
| potato fried potato Search Trop Picture |
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- |