3-Methyl-1-(4-Sulfophenyl)-2-Pyrazolin-5-One
- CAS No.89-36-1
- GradeIndustrial / Pharmaceutical
- Availability● In Stock
High-purity 3-Methyl-1-(4-Sulfophenyl)-2-Pyrazolin-5-One (CAS 89-36-1) designed for professional dye synthesis. Ideal coupling component for Acid and Reactive Yellow series with ≥98.0% purity assurance.
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Product Overview
3-Methyl-1-(4-Sulfophenyl)-2-Pyrazolin-5-One is a specialized organic compound widely recognized for its critical role in the synthesis of high-performance azo dyes. As a key coupling component, this chemical facilitates the production of various yellow shades used extensively in the textile and leather industries. Our manufacturing process ensures exceptional consistency and purity, making it a reliable choice for industrial-scale dye production.
This pyrazolone derivative is engineered to meet rigorous international standards. The molecular structure provides excellent reactivity during coupling reactions, ensuring vibrant color strength and stability in the final dye product. We prioritize quality control at every stage, from raw material sourcing to final packaging, to deliver a product that performs reliably in complex chemical environments.
Technical Specifications
| Parameter | Value |
|---|---|
| Chemical Name | 3-Methyl-1-(4-Sulfophenyl)-2-Pyrazolin-5-One |
| CAS Number | 89-36-1 |
| Molecular Formula | C10H10N2O4S |
| Molecular Weight | 254.26 g/mol |
| Appearance | Light yellow crystalline powder |
| Purity | ≥98.0% |
| Melting Point | >252 ºC (dec.) |
| Density | 1.53 g/cm3 |
Industrial Applications
The primary application of this intermediate lies in the organic synthesis of acid and reactive dyes. It serves as an essential building block for producing C.I. Acid Yellow 11, 25, and 76, as well as Reactive Yellow 17 (active golden KN-G). These dyes are fundamental to achieving specific colorfastness and brightness requirements in textile manufacturing.
- Used as a coupling component in azo dye synthesis.
- Ideal for producing acid yellow series for wool and nylon.
- Compatible with reactive dye formulations for cotton blending.
- Supports consistent batch-to-batch color reproduction.
Quality Assurance and Handling
We understand that impurity profiles can significantly impact dye performance. Therefore, our facility employs advanced analytical techniques to verify purity levels and confirm the absence of unwanted by-products. Each batch is accompanied by a Certificate of Analysis (COA) to guarantee compliance with specified parameters.
Proper storage is essential to maintain product integrity. The material should be kept in a tightly closed container when not in use. Store in a cool, dry, well-ventilated area away from incompatible substances such as strong oxidizing agents. Our standard packing option is a 25kg drum, designed to protect the contents from moisture and physical damage during global transit.
Why Choose Our Supply
As a global manufacturer, we offer competitive bulk pricing without compromising on quality. Our supply chain is optimized for timely delivery, ensuring your production schedules remain uninterrupted. Whether you require technical support for synthesis routes or large-volume procurement, our team is dedicated to providing comprehensive solutions for your chemical needs.
