Description

5-Ethyl-4-Methyl-2-Propylthiazole is a high-purity, highly volatile heterocyclic compound belonging to the thiazole class. It serves as a critical flavor and fragrance intermediate, prized for its potent, nutty, and roasted character notes. This compound is essential for manufacturers in the flavor & fragrance, food, and fine chemical synthesis industries seeking to create authentic savory profiles or complex aroma chemicals.

Application

• Flavor & Fragrance Industry: A key building block for creating roasted, nutty, meaty, and savory flavor profiles in processed foods, snacks, and savory applications.
• Aroma Chemical Synthesis: Used as a versatile intermediate in the synthesis of more complex fragrance molecules and aroma chemicals.
• Food Additive Manufacturing: Incorporated into reaction flavors and process flavorings to enhance or replicate natural cooked meat and roasted notes.
• Fine Chemical Production: Serves as a specialized intermediate in pharmaceutical research and the synthesis of agrochemicals or other nitrogen-containing heterocycles.
• Tobacco Flavoring: Employed to modify and enhance the sensory characteristics of tobacco products.
• Research & Development: Utilized in academic and industrial R&D for studying structure-activity relationships in flavor chemistry and material science.

Basic Information

Product Name	5-Ethyl-4-Methyl-2-Propylthiazole
CAS No.	41981-78-6
Molecular Formula	C9H15NS
Molecular Weight	169.29 g/mol
Synonyms	2-Propyl-5-ethyl-4-methylthiazole; 4-Methyl-5-ethyl-2-propylthiazole; FEMA 3670; 5-Ethyl-2-propyl-4-methylthiazole; 2-n-Propyl-5-ethyl-4-methylthiazole; Thiazole, 5-ethyl-4-methyl-2-propyl-; Flavor ingredient 5-ethyl-4-methyl-2-propylthiazole
EINECS	Contact for details

Quality Control

Every batch of 5-Ethyl-4-Methyl-2-Propylthiazole is produced and tested under strict quality management systems. We ensure compliance with relevant industry standards, including FEMA and FCC guidelines for flavor ingredients where applicable. Our products undergo rigorous analytical testing, and a comprehensive Certificate of Analysis (COA) detailing purity, identity, and physical properties is provided with each shipment to guarantee batch-to-batch consistency and reliability.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area away from heat sources and incompatible materials. Due to its highly volatile nature, ensure containers are kept tightly sealed when not in use to prevent evaporation and maintain product integrity. Recommended storage temperature is 2-8°C for long-term stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to reference spectrum
Assay (GC)	≥ 98.0%
Refractive Index (20°C)	1.495 - 1.505
Specific Gravity (20/20°C)	0.970 - 0.990
Related Substances (GC)	Total impurities ≤ 2.0%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.