Overview
Pyrazinone is a heterocyclic organic compound featuring a pyrazine ring with a ketone group. It serves as a versatile intermediate in the synthesis of pharmaceuticals and agrochemicals due to its reactive nitrogen and oxygen atoms. The compound is known for its stability and solubility in both water and organic solvents, making it suitable for various industrial applications. Pyrazinone derivatives are particularly significant in medicinal chemistry, where they are used to develop drugs with antimicrobial, antiviral, and anti-inflammatory properties. Its role in agrochemicals includes the formulation of herbicides and pesticides. The compound’s adaptability and reactivity make it a valuable building block in organic synthesis.
Physical and Chemical Properties
Pyrazinone appears as a white to off-white crystalline powder with a melting point range of 180-185°C. It is soluble in water and common organic solvents such as ethanol, methanol, and acetone. The molecular weight of pyrazinone is 96.09 g/mol, and its heterocyclic structure contributes to its stability under standard conditions. The compound’s reactivity is influenced by the presence of nitrogen and oxygen atoms in its ring, enabling it to participate in various chemical reactions, including nucleophilic substitution and condensation. These properties make pyrazinone a useful intermediate in the synthesis of more complex molecules. Its solubility profile allows for flexible application in both aqueous and non-aqueous systems.
Main Applications
Pyrazinone is primarily used in the pharmaceutical industry as a key intermediate for synthesizing drugs with antimicrobial, antiviral, and anti-inflammatory effects. Its derivatives are explored for their potential in treating diseases such as tuberculosis and HIV. The compound’s ability to form stable heterocyclic structures makes it ideal for drug design. In agrochemicals, pyrazinone derivatives are employed in the development of herbicides and pesticides. Their efficacy in targeting specific biological pathways in pests and weeds enhances crop protection. Additionally, pyrazinone finds use in organic synthesis, where it acts as a building block for creating complex molecules with applications in dyes, coatings, and specialty chemicals.
Safety and Storage
Pyrazinone should be handled with care to avoid inhalation, ingestion, or skin contact. Personal protective equipment (PPE), including gloves and goggles, is recommended when working with the compound. Proper ventilation is essential to minimize exposure to dust or vapors. Storage conditions for pyrazinone include keeping it in a cool, dry place away from direct sunlight and moisture. Containers should be tightly sealed to prevent contamination and degradation. In case of spillage, absorb the material with an inert substance and dispose of it according to local regulations. Always refer to the Material Safety Data Sheet (MSDS) for detailed safety guidelines.
B2B Procurement Guide
When procuring pyrazinone, B2B buyers should prioritize suppliers who provide a Certificate of Analysis (COA) and MSDS to verify purity and safety. The compound is typically available in kilogram quantities, with prices ranging from approximately $50 to $200 per kg, depending on purity and supplier. Key considerations include confirming the required purity level for your application, as impurities can affect performance in pharmaceuticals or agrochemicals. Bulk purchases may offer cost savings, but ensure proper storage facilities are available. Establish long-term relationships with reputable suppliers to ensure consistent quality and reliable delivery. Always conduct due diligence to avoid counterfeit or substandard products.
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