ChemicalBook > CAS DataBase List > 2,4,5-TRIMETHYLOXAZOLE

2,4,5-TRIMETHYLOXAZOLE

Product Name
2,4,5-TRIMETHYLOXAZOLE
CAS No.
20662-84-4
Chemical Name
2,4,5-TRIMETHYLOXAZOLE
Synonyms
TRIMETHYLOXAZOLE;trimethyl-oxazol;Oxazole, trimethyl-;triMethyl-1,3-oxazole;2,3,5-TRIMETHYLOXAZOLE;2,3,4-TRIMETHYLOXAZOLE;2,4,5-TRIMETHYLOXAZOLE;2,4,5-Thrimethyloxazole;Oxazole, 2,4,5-trimethyl;2,4,5-Trimethyloxazole,95%
CBNumber
CB7768086
Molecular Formula
C6H9NO
Formula Weight
111.14
MOL File
20662-84-4.mol
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2,4,5-TRIMETHYLOXAZOLE Property

Boiling point:
133-134 °C(lit.)
Density 
0.957 g/mL at 25 °C(lit.)
refractive index 
n20/D 1.442(lit.)
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
Odor Type
nutty
biological source
synthetic
JECFA Number
1553
BRN 
107043
LogP
1.09
CAS DataBase Reference
20662-84-4(CAS DataBase Reference)
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Safety

Hazard Codes 
F
Risk Statements 
10
Safety Statements 
16-33-29-3/7/9-24/25
RIDADR 
UN 1993 3/PG 3
WGK Germany 
2
HazardClass 
3
PackingGroup 
III
HS Code 
29349990
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H226Flammable liquid and vapour

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P210Keep away from heat/sparks/open flames/hot surfaces. — No smoking.

P233Keep container tightly closed.

P240Ground/bond container and receiving equipment.

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P303+P361+P353IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P370+P378In case of fire: Use … for extinction.

P403+P235Store in a well-ventilated place. Keep cool.

P405Store locked up.

P501Dispose of contents/container to..…

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
W439400
Product name
2,4,5-Trimethyloxazole
Purity
99%, FG
Packaging
1 unit
Price
$67.5
Updated
2025/07/31
Sigma-Aldrich
Product number
W439400
Product name
2,4,5-Trimethyloxazole
Purity
99%, FG
Packaging
1 unit
Price
$67.5
Updated
2025/07/31
Sigma-Aldrich
Product number
193704
Product name
2,4,5-Trimethyloxazole
Purity
95%
Packaging
5g
Price
$49.5
Updated
2023/01/07
Sigma-Aldrich
Product number
193704
Product name
2,4,5-Trimethyloxazole
Purity
95%
Packaging
25g
Price
$164
Updated
2023/01/07
TCI Chemical
Product number
T2595
Product name
2,4,5-Trimethyloxazole
Purity
>98.0%(GC)
Packaging
5g
Price
$35
Updated
2025/07/31
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2,4,5-TRIMETHYLOXAZOLE Chemical Properties,Usage,Production

Chemical Properties

CLEAR YELLOW LIQUID

Chemical Properties

Yellowish liquid; boiled beef aroma.

Occurrence

Reported found in heated beef, cocoa, coffee and cooked pork.

Uses

Possible applications: Chocolate, Dutch cocoa, coffee, various savory meaty flavors, malt and toasted bread.

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.

Biological Activity

Odor at 1.0%: Slight pyridine-like, roasted vegetative, toasted Dutched cocoa background with a slight nutty nuance.
Taste at 1ppm: Sweet roasted cocoa, coffee, chocolate, slightly seared savory beef, proteinous with green vegetative nuances.

2,4,5-TRIMETHYLOXAZOLE Preparation Products And Raw materials

Raw materials

Preparation Products

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2,4,5-TRIMETHYLOXAZOLE Suppliers

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View Lastest Price from 2,4,5-TRIMETHYLOXAZOLE manufacturers

JINING XINHE CHEMICAL CO., LTD
Product
2,4,5-TRIMETHYLOXAZOLE 20662-84-4
Price
US $0.00-0.00/kg
Min. Order
1kg
Purity
98%
Supply Ability
10ton
Release date
2024-07-23
Career Henan Chemical Co
Product
2,4,5-TRIMETHYLOXAZOLE 20662-84-4
Price
US $1.00/KG
Min. Order
1KG
Purity
98%
Supply Ability
100KG
Release date
2019-08-07

20662-84-4, 2,4,5-TRIMETHYLOXAZOLERelated Search:

2,4,5-TRIMETHYLOXAZOLE DIMETHYL POPOP 2-(5-METHYL-2-PHENYL-1,3-OXAZOL-4-YL)ACETIC ACID FEMA 3672 2-METHYL-4,5-DIPHENYLOXAZOLE 2-(5-Methyl-2-phenyl-1,3-oxazol-4-yl)ethan-1-ol 3,5,5-TRIMETHYLOXAZOLIDINE-2,4-DIONE 2,5,6-TRIMETHYLOXAZOLE 4,5-Dihydro-2,4,4-trimethyloxazole Oxazole 2-PHENYL-5-(TRIFLUOROMETHYL)-OXAZOLE-4-CARBOXYLICACID 3,4,5-trimethyloxazole 4,5-DIMETHYL-2-PHENYL-1,3-OXAZOLE 9,10-DIHYDRO-2-METHYL-4H-BENZO[5,6]CYCLOHEPT[1,2-D]OXAZOL-4-OL N-METHYL-2-PHENYL-5-(TRIFLUOROMETHYL)-OXAZOLE-4-CARBOXAMIDE N-(2-METHOXYETHYL)-2-PHENYL-5-(TRIFLUOROMETHYL)-OXAZOLE-4-CARBOXAMIDE N-ALLYL-2-PHENYL-5-(TRIFLUOROMETHYL)-OXAZOLE-4-CARBOXAMIDE N-(2-PYRIDINYL)-2-PHENYL-5-(TRIFLUOROMETHYL)-OXAZOLE-4-CARBOXAMIDE

  • 2,4,5-Trimethyl-1,3-oxazole
  • Oxazole, 2,4,5-trimethyl
  • trimethyl-oxazol
  • TRIMETHYLOXAZOLE
  • 2,4,5-Thrimethyloxazole
  • 2,4,5-TRIMETHYLOXAZOLE
  • Oxazole, trimethyl-
  • 2,3,4-TRIMETHYLOXAZOLE
  • 2,3,5-TRIMETHYLOXAZOLE
  • 2,4,5-Trimethyloxazole,Trimethyloxazole
  • triMethyl-1,3-oxazole
  • 2,4,5-TriMethyloxazole, 95% 25GR
  • 2,4,5-Trimethyloxazole,95%
  • 20662-84-4
  • 1623-11-5
  • C6H9NO
  • Building Blocks
  • Heterocyclic Building Blocks
  • Oxazoles
  • Oxazole&Isoxazole
  • Flavor