3-Methyl-3-Pyrazolin-5-One

Product Overview

3-Methyl-3-Pyrazolin-5-One represents a critical heterocyclic compound within the realm of industrial organic chemistry. Recognized formally by its CAS registry number 4344-87-0, this substance serves as a foundational building block for the synthesis of various high-performance azo dyes. Our facility specializes in the production of this key intermediate, ensuring that every batch meets rigorous international standards for purity and consistency. The chemical structure features a pyrazolone ring substituted with a methyl group, which imparts specific reactivity profiles essential for coupling reactions. Manufacturers in the textile and pigment industries rely on this compound to achieve vibrant coloration and superior fastness properties in their final products.

Physical And Chemical Properties

From a physicochemical perspective, this material presents as a light yellow crystalline powder, indicating a high degree of structural order and purity. The melting point range of 223 to 225 degrees Celsius underscores its thermal stability, making it suitable for processes involving elevated temperatures. With a molecular formula of C4H6N2O and a molecular weight of approximately 98.10 g/mol, it integrates seamlessly into complex synthesis routes. The density stands at 1.33 g/cm3, and the refractive index is measured at 1.599. These precise parameters are critical for quality control laboratories when verifying identity and assessing batch-to-batch uniformity. Proper handling requires adherence to standard industrial hygiene practices to maintain integrity.

Industrial Applications

The primary industrial application of 3-Methyl-3-Pyrazolin-5-One lies in its function as a coupling component for acidic metal complex dyes and disperse dyes. It is extensively utilized in the manufacture of specific color indices such as C.I. Acid Yellow 106, C.I. Acid Orange 98, and C.I. Disperse Yellow 8. The reactivity of the pyrazolone ring allows for efficient azo coupling, resulting in dyes with excellent leveling properties and wash fastness. This versatility makes it an indispensable raw material for dye houses aiming to produce textiles with lasting color vibrancy. Its consistent quality ensures reproducible results in large-scale dyeing operations.

Key Advantages

• High purity levels exceeding 98.0 percent for optimal reaction yields
• Stable crystalline structure for extended shelf life
• Versatile coupling component for multiple dye classes
• Supported by comprehensive technical documentation

Specifications And Quality Assurance

Quality assurance is paramount in our manufacturing process. Each production lot undergoes strict analytical testing to confirm a purity level of not less than 98.0 percent. We provide comprehensive Certificates of Analysis with every shipment to guarantee compliance with specifications. The product is packaged in 25kg drums, designed to protect the contents from moisture and physical damage during transit. Storage recommendations include keeping the material at normal temperatures in a ventilated, dry place, protected from direct light and sealed tightly. As a global manufacturer, we offer competitive bulk pricing and reliable logistics support to ensure your supply chain remains uninterrupted. Our technical team is available to assist with formulation guidance and regulatory documentation.