Ethyl 5-oxo-1-phenyl-2-pyrazoline-3-carboxylate
- CAS No.89-33-8
- GradeIndustrial / Pharmaceutical
- Availability● In Stock
High purity Ethyl 5-oxo-1-phenyl-2-pyrazoline-3-carboxylate (CAS 89-33-8) serves as a critical coupling component for pigment synthesis, offering exceptional stability and reactivity for industrial dye manufacturing.
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Product Overview
Ethyl 5-oxo-1-phenyl-2-pyrazoline-3-carboxylate, frequently recognized by its synonyms such as PCEP or CEP, stands as a vital organic intermediate within the specialty chemicals sector. This compound is primarily engineered for use in the synthesis of azo pigments, specifically acting as a coupling component for producing C.I. Pigment Red varieties including 38, 39, and 42. Our manufacturing process ensures high molecular integrity and consistent batch-to-batch reliability, meeting the rigorous demands of global dye and pigment producers.
As a key building block in organic synthesis, this pyrazolone derivative exhibits superior reactivity profiles essential for efficient coupling reactions. The chemical structure allows for precise coloration properties in the final pigment products, making it indispensable for manufacturers seeking vibrant and stable red hues in various industrial applications ranging from plastics to coatings.
Key Specifications
| Parameter | Specification |
|---|---|
| CAS Number | 89-33-8 |
| Molecular Formula | C12H12N2O3 |
| Molecular Weight | 232.24 g/mol |
| Appearance | Light yellow crystalline powder |
| Purity | ≥99.0% |
| Melting Point | 252°C (Decomposes) |
| Boiling Point | 335.3°C at 760 mmHg |
| Density | 1.25 g/cm3 |
Industrial Applications
The primary utility of this chemical lies in its role as a coupling component for azo pigment production. It is extensively utilized in the manufacture of C.I. Pigment Red 38, 39, and 42. These pigments are valued for their excellent lightfastness and heat stability, making them suitable for high-performance applications in the plastics, ink, and coating industries. The high purity grade we supply ensures minimal side reactions during synthesis, leading to higher yields and cleaner final pigment products.
Beyond pigment synthesis, this compound serves as a valuable intermediate in broader organic chemistry research and development. Its stable pyrazolone ring structure provides a reliable foundation for deriving various functionalized derivatives required in advanced material science. Manufacturers relying on this intermediate benefit from our optimized synthesis routes that prioritize both environmental safety and economic efficiency.
Quality Assurance and Handling
We maintain strict quality control protocols throughout the production lifecycle. Each batch undergoes comprehensive testing to verify purity levels, physical properties, and chemical identity. A Certificate of Analysis (COA) is provided with every shipment to guarantee compliance with international standards. Our facility adheres to Good Manufacturing Practices (GMP) to ensure product safety and consistency.
For optimal storage, this product should be kept in a sealed container within a cool, dry environment away from direct sunlight and moisture. Proper handling procedures should be followed to maintain its crystalline structure and prevent degradation. We offer flexible packaging options, including 25kg drums, to accommodate various logistical requirements for global distribution. Our team is dedicated to supporting clients with technical data and supply chain reliability for long-term partnerships.
