4-Fluoro-2-Methoxy-5-Nitroaniline Synthesis Route Manufacturing Process
- [Process Kinetics]: Advanced telescoped flow chemistry achieves 83% isolated yield while mitigating thermal runaway risks associated with traditional nitration.
- [Supply Chain]: Secure tonnage quantities with verified batch-to-batch consistency and factory-direct logistics for uninterrupted production.
- [Regulatory Status]: Full compliance with international safety standards, supported by comprehensive COA and MSDS documentation for global export.
As a critical key starting material in the pharmaceutical industry, 4-Fluoro-2-methoxy-5-nitroaniline (CAS: 1075705-01-9) serves as the foundational building block for third-generation EGFR tyrosine kinase inhibitors, specifically Osimertinib. The demand for this Aniline derivative has surged due to its efficacy in treating non-small cell lung carcinomas. For process chemists and procurement officers, understanding the nuances of the synthesis route is vital for ensuring industrial purity and supply chain stability.
At NINGBO INNO PHARMCHEM CO.,LTD., we specialize in the scalable production of high-value pharma intermediates. Our technical team has optimized the manufacturing process to balance reaction yields with safety protocols, ensuring that clients receive commercial grade material suitable for direct incorporation into complex synthetic sequences.
Optimized Synthesis Route for High Yield
The production of this Fluoroanisidine derivative typically involves the nitration of 4-fluoro-2-methoxyaniline. Historical literature suggests a direct nitration using potassium nitrate and sulfuric acid can achieve laboratory yields upwards of 95%. However, scaling this direct method introduces significant challenges regarding regioselectivity and impurity profiles, specifically the formation of ortho-nitro isomers which are difficult to remove.
To address these purity concerns, a protected synthesis pathway is often preferred for commercial scale operations. This involves an initial acetylation of the amine functionality to form N-(4-fluoro-2-methoxyphenyl)acetamide, followed by controlled nitration and subsequent deprotection. While this multi-step approach involves additional unit operations, it significantly enhances the quality of the final product. Recent advancements in continuous flow technology have allowed for the telescoping of the acetylation and nitration steps. This modular microreactor platform operates with precise temperature control, achieving an isolated yield of approximately 83% at pilot scale throughput rates of 0.46 kg/h.
For buyers evaluating suppliers, it is essential to request detailed impurity profiles. When sourcing high-purity 4-Fluoro-2-methoxy-5-nitroaniline, buyers should verify that the manufacturer employs robust crystallization steps to remove unreacted starting materials and side products. Our facility utilizes advanced HPLC monitoring to ensure that the molecular formula C7H7FN2O3 corresponds to a purity level exceeding 98.5% by area normalization.
Manufacturing Process Safety and Controls
Nitration reactions are inherently exothermic and pose risks of thermal runaway, particularly when handled in large-scale batch reactors. The transition from laboratory benchtop synthesis to industrial production requires rigorous hazard analysis. The use of fuming nitric acid and sulfuric acid mixtures necessitates specialized corrosion-resistant equipment and strict temperature maintenance below 5°C during the addition phase.
Our manufacturing process integrates real-time calorimetry to monitor heat flow during the nitration step. By adopting a kinetically controlled regime using acetic acid and aqueous nitric acid, we minimize the accumulation of unreacted nitrating agents. This safety-first approach not only protects personnel and infrastructure but also ensures batch-to-batch consistency. For procurement managers, this means reduced risk of production delays caused by safety incidents or quality deviations.
Furthermore, the handling of the final product requires adherence to strict safety data protocols. As a nitro-compound, proper storage and transportation classifications must be followed. We provide full MSDS documentation with every shipment, ensuring that your logistics team can handle the material in compliance with local and international transport regulations.
Scale-up Capabilities for 2026 Production
The global market for EGFR inhibitors continues to expand, driving the need for reliable factory supply of intermediates. Executives must consider not only the current bulk price but also the long-term scalability of their supply partners. NINGBO INNO PHARMCHEM CO.,LTD. has invested in flexible production lines capable of ramping up from kilogram to tonnage quantities without compromising quality.
Looking toward 2026 production targets, our capacity planning accounts for the increasing demand for Osimertinib generics. We maintain strategic stock levels of raw materials, such as 4-fluoro-2-methoxyaniline, to mitigate supply chain disruptions. Our quality assurance team performs full COA verification on every batch, ensuring that the material meets the stringent requirements of regulatory filings in major markets.
For organizations seeking a global manufacturer with a proven track record in complex nitration chemistry, our facility offers a competitive advantage. We combine technical expertise with commercial viability, ensuring that your production timelines are met with cost-effective solutions.
| Parameter | Specification | Test Method |
|---|---|---|
| Product Name | 4-Fluoro-2-methoxy-5-nitroaniline | - |
| CAS Number | 1075705-01-9 | - |
| Molecular Formula | C7H7FN2O3 | - |
| Molecular Weight | 186.14 g/mol | - |
| Purity (HPLC) | ≥ 98.5% | Area Normalization |
| Appearance | Yellow to Orange Crystalline Powder | Visual |
| Loss on Drying | ≤ 0.5% | Karl Fischer / LOD |
| Heavy Metals | ≤ 10 ppm | ICP-MS |
To secure your supply chain for upcoming production cycles, we recommend establishing a long-term procurement agreement. Please contact our technical sales team for a batch-specific COA, SDS, or bulk pricing quote. Our representatives are ready to discuss custom packaging options and delivery schedules tailored to your manufacturing needs.