4-Methylpyridin-2-Amine Bulk Price Factory Direct Supply
Procurement leaders and R&D directors face significant challenges securing consistent volumes of high-purity pyridine derivatives. Supply chain volatility often compromises industrial purity standards, leading to costly batch failures in downstream pharmaceutical synthesis. NINGBO INNO PHARMCHEM CO.,LTD. addresses these critical pain points through direct factory supply chains.
Technical Specifications and Analytical Methods
Understanding the precise physicochemical properties of 4-Methylpyridin-2-amine is fundamental for process chemists designing scalable reactions. This chemical building block, also known as 2-Amino-4-picoline, exhibits specific thermal and solubility characteristics that dictate storage and handling protocols. The molecular formula C6H8N2 and molecular weight of 108.141 g/mol are critical parameters for stoichiometric calculations in large-scale manufacturing. Deviations in these foundational metrics can signal the presence of isomeric contaminants or hydration issues that affect reaction kinetics.
Our analytical teams utilize rigorous methods to verify that every batch meets the stringent requirements for industrial applications. The melting point range is a primary indicator of crystalline purity, typically observed between 97°C and 101°C for high-grade material. Furthermore, solubility profiles indicate that the compound is soluble in water at approximately 41 mg/ml at 20°C, with varying solubility in lower alcohols, chloroform, ethyl acetate, and DMF. These solubility characteristics are essential for determining appropriate solvent systems during recrystallization or subsequent coupling reactions.
To ensure transparency and facilitate immediate quality verification, we provide comprehensive data sheets detailing every critical specification. The table below outlines the standard technical parameters expected for premium 4-Methyl-2-pyridylamine supplied for commercial use.
| Parameter | Specification | Test Method |
|---|---|---|
| CAS Number | 695-34-1 | Verified |
| Molecular Formula | C6H8N2 | Calculated |
| Molecular Weight | 108.141 g/mol | MS Analysis |
| Purity | >98.0% | HPLC/GC |
| Melting Point | 97°C - 101°C | DSC |
| Appearance | White to Off-White Solid | Visual |
Adherence to these specifications ensures that the material performs predictably in complex synthetic pathways. Procurement officers should verify these metrics against internal quality standards before integrating the material into production schedules. Consistency in these physical properties is the hallmark of a reliable global manufacturer capable of supporting long-term projects.
Troubleshooting Common Impurities and Yield Issues
Even with high-grade starting materials, process chemists may encounter challenges related to impurity profiles that impact overall yield. Identifying the source of these deviations is crucial for maintaining efficiency in pharmaceutical intermediate production. Common issues often stem from incomplete reactions, oxidative degradation, or the presence of structural isomers that are difficult to separate without specialized chromatography.
Managing Isomeric Contamination
One of the most persistent challenges in pyridine derivative synthesis is the separation of regioisomers. During the amination process, there is a risk of forming alternative substitution patterns that closely mimic the target molecule's physical properties. These isomers can act as catalyst poisons in downstream steps, significantly reducing reaction efficiency. Advanced purification techniques, including fractional crystallization and preparative HPLC, are employed to minimize these contaminants to acceptable levels for industrial purity.
Oxidative Degradation and Storage Stability
4-Methylpyridin-2-amine is hygroscopic and sensitive to oxidation, which can lead to the formation of N-oxides or other degradation products over time. Proper storage under dry inert gas and protection from humidity are mandatory to preserve chemical integrity. Exposure to ambient moisture can alter the effective concentration of the reagent, leading to stoichiometric errors in sensitive coupling reactions. For detailed guidance on maintaining stability during formulation, refer to our 4-Methylpyridin-2-Amine Cas 695-34-1 Formulation Compatibility resource.
Residual Solvent Control
Residual solvents from the synthesis or recrystallization process can pose significant regulatory hurdles, particularly for pharmaceutical applications. Strict adherence to ICH guidelines regarding solvent limits is necessary to ensure the final drug substance meets safety standards. Our manufacturing process includes dedicated drying stages and vacuum stripping to ensure volatile organic compounds are reduced to trace levels. Monitoring these levels requires precise gas chromatography methods capable of detecting parts-per-million concentrations.
Detailed Chemical Synthesis Route and Reaction Mechanism
The production of this key intermediate typically involves the nucleophilic substitution of a halogenated pyridine precursor or direct amination of methylpyridine derivatives. The reaction mechanism generally proceeds through a high-energy intermediate where the amino group displaces a leaving group at the 2-position of the pyridine ring. Temperature control is critical during this exothermic process to prevent polymerization or the formation of tar-like byproducts that reduce overall yield.
Catalytic systems are often employed to enhance the selectivity of the amination reaction, ensuring that the methyl group at the 4-position remains intact. The use of specific ligands can stabilize the transition state, favoring the formation of 2-amino-4-methyl-pyridine over other potential isomers. Understanding the mechanistic pathway allows process engineers to optimize reaction conditions, such as pressure and catalyst loading, to maximize throughput. For a deeper technical analysis of the manufacturing process, review our documentation on Cas 695-34-1 Synthesis Route And Impurity Profile.
Scale-up from laboratory to commercial production requires careful adjustment of mixing rates and heat transfer coefficients. Large-scale reactors present different thermal profiles compared to benchtop glassware, necessitating rigorous process safety management. By controlling the addition rate of reagents and maintaining strict temperature boundaries, manufacturers can ensure consistent batch-to-bquality.
Strict Quality Assurance (QA) Workflow and COA Verification
Quality assurance is the backbone of reliable chemical supply, ensuring that every drum shipped meets the agreed-upon specifications. Our workflow involves multiple checkpoints, starting from raw material inspection and continuing through in-process controls and final release testing. Each batch is assigned a unique identifier that tracks its history through the manufacturing plant, allowing for complete traceability in the event of a query.
The Certificate of Analysis (COA) is the definitive document verifying the quality of the shipment. It includes detailed results from HPLC, NMR, and moisture analysis, providing procurement teams with the data needed for internal validation. We encourage all partners to perform independent verification upon receipt to confirm that the quality assurance standards have been maintained during transit. This dual-verification approach minimizes risk and ensures seamless integration into your production lines.
NINGBO INNO PHARMCHEM CO.,LTD. is committed to providing a stable supply of critical intermediates to support global pharmaceutical development. Our dedicated logistics team works to mitigate shipping delays, ensuring that bulk price agreements translate into timely deliveries. By partnering with us, you secure not just a product, but a reliable extension of your own supply chain infrastructure.
Securing a reliable source for 4-Methylpyridin-2-amine requires a partner who understands the complexities of chemical manufacturing and procurement. Our focus on technical excellence and supply chain resilience ensures that your projects remain on schedule without compromising on purity. Partner with a verified manufacturer. Connect with our procurement specialists to lock in your supply agreements.