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2,4,5-Trimethyloxazole_Molecular_structure_CAS_20662-84-4)
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2,4,5-Trimethyloxazole

Catalog No. W439400 Name Sigma Aldrich
CAS Number 20662-84-4 Website http://www.sigmaaldrich.com
M. F. C6H9NO Telephone 1-800-521-8956
M. W. 111.14176 Fax
Purity 99% Email
Storage Chembase ID: 142725

SYNONYMS

Title
2,4,5-三甲基噁唑
IUPAC name
trimethyl-1,3-oxazole
IUPAC Traditional name
trimethyl-1,3-oxazole
Synonyms
三甲基噁唑
Trimethyloxazole

DATABASE IDS

Flavis Number 13.169
EC Number 243-952-4
MDL Number MFCD00005308
FEMA ID 4394
CAS Number 20662-84-4

PROPERTIES

Empirical Formula (Hill Notation) C6H9NO
Purity 99%
Boiling Point 133-134 °C/760 mmHg(lit.)
Density 0.957 g/mL at 25 °C(lit.)
Flash Point 33 °C
Flash Point 91.4 °F
Organoleptic beef; chocolate
Refractive Index n20/D 1.442(lit.)
GHS Pictograms GHS02
GHS Signal Word Warning
GHS Hazard statements H226
MSDS Link Download
Personal Protective Equipment Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
RID/ADR UN 1993 3/PG 3
Risk Statements 10
Safety Statements 16
Hazard Class 3
UN Number 1993
Packing Group 3
German water hazard class 2

DETAILS

Description (English)
Other Notes
Natural occurrence: Heated beef, cocoa, cooked pork, French fries, autolyzed yeast, cooked egg and fried chicken.1
Packaging
1 kg in poly bottle
1 sample in glass bottle
50, 250 g in poly bottle
Application
Possible applications: Chocolate, Dutch cocoa, coffee, various savory meaty flavors, malt and toasted bread.1
Biochem/physiol Actions
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.1
Description (简体中文)
Other Notes
天然存在:存在于熟牛肉、可可、熟猪肉、炸薯条、自溶酵母、煮鸡蛋和炸鸡中。1
包装
1 kg in poly bottle
1 sample in glass bottle
50, 250 g in poly bottle
Application
可能的用途:可用于巧克力、荷兰可可、咖啡、麦芽酒、烤面包和各种肉香风味的香精中。1
Biochem/physiol Actions
香味阈值为·1.0%:略微有点像吡啶,烤植物和烤荷兰可可的气味,混以轻微的坚果香。 味觉阈值为 1ppm:烤甜可可、咖啡、巧克力、微微烤焦的牛肉香、蛋白质以及绿色蔬菜的味道。1

REFERENCES