4-Nitro-1,2-phenylenediamine
- CAS No.99-56-9
- GradeIndustrial / Pharmaceutical
- Availability● In Stock
High purity 4-Nitro-1,2-phenylenediamine intermediate for professional hair dye manufacturing. Reliable supply with full documentation.
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Product Overview
4-Nitro-1,2-phenylenediamine, identified by CAS number 99-56-9, is a specialized organic compound widely recognized for its critical role in the synthesis of azo dyes and hair coloring agents. As a key aromatic amine derivative, this chemical serves as an essential building block in the pharmaceutical and cosmetic industries. Our manufacturing process ensures that every batch meets rigorous international standards for purity and consistency, making it an ideal choice for large-scale industrial applications.
The compound features a nitro group positioned ortho to the diamine functionality, providing unique reactivity profiles suitable for complex organic synthesis. We prioritize quality control at every stage of production, from raw material sourcing to final packaging, ensuring that clients receive a product that performs reliably in their specific formulations.
Technical Specifications
| Parameter | Specification |
|---|---|
| Chemical Name | 4-Nitro-1,2-phenylenediamine |
| CAS Number | 99-56-9 |
| Molecular Formula | C6H7N3O2 |
| Molecular Weight | 153.14 g/mol |
| Appearance | Orange red crystalline powder |
| Purity (HPLC) | ≥99.0% |
| Melting Point | 199-201°C |
| Loss on Drying | ≤0.5% |
| Ash Content | ≤0.5% |
| Iron Content | ≤40ppm |
Industrial Applications
This intermediate is primarily utilized in the production of oxidative hair dyes, where it acts as a coupler or primary intermediate depending on the specific shade requirements. The high purity level ensures minimal side reactions during the dye formation process, resulting in consistent color development and improved stability in the final cosmetic product. Beyond cosmetics, it finds applications in the synthesis of various heterocyclic compounds and specialized pigments.
Research and development teams also leverage this chemical for exploring new organic synthesis routes. Its well-defined physical properties, including a specific melting point and density, make it a reliable standard for laboratory-scale experiments and pilot plant operations.
Quality Assurance and Storage
We implement a comprehensive quality assurance protocol that includes HPLC analysis, heavy metal testing, and physical property verification. Each shipment is accompanied by a Certificate of Analysis (COA) to guarantee compliance with stated specifications. Our facility adheres to strict safety management systems to prevent contamination and ensure product integrity.
- Stored in a cool, ventilated area away from direct sunlight.
- Keep containers tightly closed when not in use.
- Avoid contact with strong oxidizing agents.
- Use appropriate personal protective equipment during handling.
Packaging is available in 25 kg drums, with custom options available upon request to suit specific logistical needs. We support global shipping with secure packaging methods to maintain product quality during transit. For bulk orders, competitive pricing and dedicated account management are provided to streamline your supply chain.
