Description

3-Chloro-2,5-Dimethylpyrazine is a versatile heterocyclic compound that serves as a key building block and flavor/aroma intermediate. Its value lies in its unique chlorinated pyrazine structure, which is instrumental in synthesizing more complex molecules and imparting characteristic roasted, nutty notes. This product is essential for research and development chemists, flavor and fragrance houses, and pharmaceutical manufacturers seeking to create novel compounds or specific sensory profiles.

Application

• Flavor and Fragrance (F&F) Industry: As a potent aroma chemical for creating roasted, nutty, coffee, and chocolate-like notes in food flavors and savory applications.
• Pharmaceutical Intermediates: Serves as a crucial synthetic building block for the development of active pharmaceutical ingredients (APIs) and other bioactive molecules.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides and herbicides due to its reactive chloro substituent.
• Organic Synthesis & Research: Acts as a versatile reagent for cross-coupling reactions and the construction of complex heterocyclic systems in academic and industrial R&D.
• Specialty Chemicals: Employed in the manufacture of dyes, pigments, and electronic chemicals where specific pyrazine derivatives are required.

Basic Information

Product Name	3-Chloro-2,5-Dimethylpyrazine
CAS No.	95-89-6
Molecular Formula	C6H7ClN2
Molecular Weight	142.59 g/mol
Synonyms	2,5-Dimethyl-3-chloropyrazine; 3-Chloro-2,5-dimethylpyrazine; 3-Chloro-2,5-dimethyl-1,4-diazine; Pyrazine, 3-chloro-2,5-dimethyl-; 2,5-Dimethyl-3-chloro-1,4-diazine; 3-Chloro-2,5-dimethylpyrazine (primary CAS name)
EINECS	202-460-8

Quality Control

Our 3-Chloro-2,5-Dimethylpyrazine is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including GC/HPLC for purity and identity confirmation (IR, NMR), to ensure it meets the high standards required for sensitive applications in flavor and pharmaceutical synthesis. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Due to its highly volatile nature, ensure containers are securely sealed when not in use and stored away from heat sources and open flame.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Refractive Index (20°C)	1.510 - 1.514
Specific Gravity (20°C)	1.150 - 1.170

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