2,4,5-TRIMETHYLOXAZOLE
Synonym(s):Trimethyloxazole
- CAS NO.：20662-84-4
- Empirical Formula: C6H9NO
- Molecular Weight: 111.14
- MDL number: MFCD00005308
- EINECS: 243-952-4
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-13 11:26:56
What is 2,4,5-TRIMETHYLOXAZOLE?
Chemical properties
CLEAR YELLOW LIQUID
Chemical properties
Yellowish liquid; boiled beef aroma.
Occurrence
Reported found in heated beef, cocoa, coffee and cooked pork.
What are the applications of Application
2,4,5-Trimethyloxazole is a fragrance and synthetic reagent
Definition
ChEBI: Trimethyloxazole is an oxazole.
Aroma threshold values
Medium strength odor, nutty type; recommend smelling in a 10.00% solution or less.
General Description
2,4,5-Trimethyloxazole undergoes regio- and diastereoselective photocycloaddition reaction with aliphatic and aromatic aldehydes to yield erythro α-amino, β-hydroxy methyl ketones.
Properties of 2,4,5-TRIMETHYLOXAZOLE
| Boiling point: | 133-134 °C(lit.) |
| Density | 0.957 g/mL at 25 °C(lit.) |
| refractive index | n |
| FEMA | 4394 | TRIMETHYLOXAZOLE |
| Flash point: | 92 °F |
| storage temp. | Sealed in dry,2-8°C |
| form | Liquid |
| pka | 3.73±0.10(Predicted) |
| color | Clear yellow |
| Odor | at 100.00 %. nutty nut skin roasted wasabi shellfish mustard vegetable |
| JECFA Number | 1553 |
| BRN | 107043 |
| CAS DataBase Reference | 20662-84-4(CAS DataBase Reference) |
Safety information for 2,4,5-TRIMETHYLOXAZOLE
| Signal word | Warning |
| Pictogram(s) |
 Flame Flammables GHS02  Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H226:Flammable liquids H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P233:Keep container tightly closed. P240:Ground/bond container and receiving equipment. P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P280:Wear protective gloves/protective clothing/eye protection/face protection. P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P370+P378:In case of fire: Use … for extinction. P405:Store locked up. P403+P235:Store in a well-ventilated place. Keep cool. P501:Dispose of contents/container to..… |
Computed Descriptors for 2,4,5-TRIMETHYLOXAZOLE
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