Description

Pyrazine CAS NO 290-37-9 is a heterocyclic aromatic organic compound characterized by a six-membered ring containing two nitrogen atoms at opposite positions. This versatile chemical building block is valued for its unique nitrogen-rich structure, which imparts distinctive properties crucial for advanced synthesis. It serves as a key intermediate for the production of pharmaceuticals, agrochemicals, and specialty chemicals, meeting the demands of research and industrial-scale manufacturing.

Application

• Pharmaceutical Intermediates: A critical precursor in synthesizing a wide range of active pharmaceutical ingredients (APIs), including antituberculosis and antihypertensive drugs.
• Agrochemical Synthesis: Used in the manufacture of advanced herbicides, fungicides, and insecticides, contributing to crop protection solutions.
• Flavor and Fragrance Industry: Imparts nutty, roasted, and popcorn-like notes, serving as a key component in creating complex flavor profiles for food and beverages.
• Ligand and Catalyst Development: Acts as a fundamental scaffold for constructing chelating ligands in coordination chemistry and catalysis.
• Material Science: Employed in the synthesis of organic semiconductors, conductive polymers, and advanced organic frameworks for electronic applications.
• Chemical Research: A valuable reagent in organic synthesis for constructing complex nitrogen-containing heterocycles in academic and industrial R&D.

Basic Information

Product Name	Pyrazine
CAS No.	290-37-9
Molecular Formula	C4H4N2
Molecular Weight	80.09 g/mol
Synonyms	1,4-Diazine; p-Diazine; Paradiazine; UN 1325; UNII-7R31C7J4QM; Pyrazine, 98+%; 1,4-Diazabenzene
EINECS	206-027-6

Quality Control

Our Pyrazine is produced under stringent quality management systems. Every batch undergoes comprehensive analytical testing to ensure it meets the high-purity standards required for pharmaceutical and fine chemical applications. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided to guarantee traceability and compliance with your specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) and highly volatile nature, the container must be kept tightly sealed after each use to prevent moisture absorption and product loss.

Specification

Item	Specification
Appearance	White to off-white crystalline solid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0%
Melting Point	52 - 55 °C
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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