|
HS Code |
418254 |
| Cas Number | 872-85-5 |
| Molecular Formula | C7H7NO2 |
| Molar Mass | 137.14 g/mol |
| Appearance | White to off-white solid |
| Melting Point | 152-157°C |
| Solubility In Water | Slightly soluble |
| Density | 1.273 g/cm³ (calculated) |
| Pka | 3.95 (carboxylic acid group) |
| Synonyms | 2-Methylisonicotinic acid |
As an accredited 2-Methylpyridine-4-carboxylic acid factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Clear, sealed 25g amber glass bottle with white cap, featuring chemical name, hazard symbols, batch number, and manufacturer label. |
| Container Loading (20′ FCL) | Container Loading (20′ FCL): Securely packed in fiber drums or bags, 2-Methylpyridine-4-carboxylic acid, net weight up to 12 metric tons. |
| Shipping | 2-Methylpyridine-4-carboxylic acid is shipped in tightly sealed containers to prevent moisture absorption and contamination. It should be protected from light and stored at room temperature. Shipping complies with relevant chemical transportation regulations, utilizing appropriate safety labeling to ensure safe handling during transit. Expedited delivery is recommended to preserve product quality. |
| Storage | 2-Methylpyridine-4-carboxylic acid should be stored in a tightly sealed container, away from moisture and direct sunlight, in a cool, dry, and well-ventilated area. Keep away from incompatible substances such as strong oxidizing agents. Label the container clearly, and ensure appropriate chemical safety protocols are followed to prevent exposure or accidental release. |
| Shelf Life | 2-Methylpyridine-4-carboxylic acid typically has a shelf life of 2-3 years when stored in a cool, dry, sealed container. |
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Purity 99%: 2-Methylpyridine-4-carboxylic acid with purity 99% is used in pharmaceutical intermediate synthesis, where high purity ensures minimal by-product formation. Melting point 127°C: 2-Methylpyridine-4-carboxylic acid with a melting point of 127°C is used in organic reaction optimization, where precise phase transition enhances reaction controllability. Molecular weight 137.14 g/mol: 2-Methylpyridine-4-carboxylic acid with a molecular weight of 137.14 g/mol is used in analytical standard preparation, where accurate mass facilitates calibration reliability. Stability temperature up to 150°C: 2-Methylpyridine-4-carboxylic acid stable up to 150°C is used in high-temperature catalytic processes, where thermal stability maintains compound integrity. Particle size < 100 μm: 2-Methylpyridine-4-carboxylic acid with particle size less than 100 μm is used in formulation of solid dosage forms, where fine particle distribution promotes uniform blending. Solubility in water 15 mg/mL: 2-Methylpyridine-4-carboxylic acid with solubility in water of 15 mg/mL is used in aqueous chemical reactions, where enhanced solubility improves reaction efficiency. |
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For anyone working in research, chemical manufacturing, or applied laboratory settings, choosing the right building blocks shapes the direction and success of every project. 2-Methylpyridine-4-carboxylic acid stands out as a distinct asset for chemists who demand purity, predictability, and adaptability from their specialty chemicals. Over years spent in the lab and collaborating with formulation teams, the importance of picking the right pyridine derivative became clear with every reaction’s outcome, adjustment, and troubleshooting session.
With a molecular formula of C7H7NO2, 2-Methylpyridine-4-carboxylic acid carries both a methyl group and a carboxylic acid group on its pyridine ring. These features are more than mere labels—they directly affect solubility, reactivity, and compatibility across different types of synthesis. The acid is most often found as a white to off-white crystalline solid, and it offers purity levels suitable for high-demand applications in chemical synthesis and pharmaceutical development.
The methyl group at position 2 on the pyridine ring subtly boosts electron density, while the carboxylic acid at position 4 provides a site for transformations like amide coupling and esterification. It’s not just about performing a reaction; the predictability and availability of these functional groups can help avoid longer, more convoluted synthetic pathways. During my own work scaling up processes from milligram to gram quantities, reliable reactivity from each component made a tangible difference in reproducibility and yield.
Labs and manufacturers use 2-Methylpyridine-4-carboxylic acid in a variety of ways. In organic synthesis, this acid acts as a versatile intermediate. It’s popular for preparing ligands, active pharmaceutical ingredients, agricultural chemicals, and heterocyclic compounds. When I was troubleshooting inconsistent yields in a medicinal chemistry project, swapping in this acid as a starting material helped us cut steps and improve overall efficiency. Not all pyridine carboxylic acids can deliver the same practical advantages because their substitution patterns steer downstream chemistry quite differently.
Besides drug development, the acid often finds its way into polymer research and specialty materials. Its structure lends itself well to creating linkers and monomers that need both aromatic stability and modifiable positions. Years ago, in developing specialty copolymers for an electronics application, I saw colleagues in formulation quietly favor 2-Methylpyridine-4-carboxylic acid for its well-balanced reactivity and consistent quality from reputable suppliers.
Authenticity and traceable quality matter most to those hoping to produce reliable, publishable, or certifiable results. This acid, when offered with purity >98%, supports both routine bench work and high-stakes industrial validation alike. Even the best chemist can’t account for hidden impurities—they skew results, complicate purification, and sometimes cause entire batches to fail. Suppliers who back up their claims with real lot-specific analytical data (NMR, HPLC, elemental analysis) give users the confidence to invest in a full batch for scale-up, not just a small test sample.
Grain size, moisture content, and storage conditions often get overlooked until problems arise. From my own storage mishap—when a sample absorbed moisture and clumped—I learned the value of proper packaging and desiccation. Because this acid holds up well when sealed and kept dry, its shelf life and ease of handling set it apart from less stable pyridine derivatives.
2-Methylpyridine-4-carboxylic acid holds certain advantages over other regioisomers and related acids. Positional changes on the pyridine nucleus produce different chemical behavior. Swapping the methyl or carboxylic acid group to other positions changes not just the synthesis, but also physical properties and reactivity. For example, 4-methylpyridine-2-carboxylic acid and nicotinic acid display different acidity, solubility profiles, and application ranges.
I remember running side-by-side tests in an academic setting where a single shift in substitution led to divergent reaction outcomes in a simple amidation. The 2-methyl/4-carboxylic arrangement produced higher yields and required less purification, mainly thanks to cleaner reaction profiles. For chemists who value efficiency, time, and reproducibility, these differences are more than trivia—they drive better project outcomes.
Besides its unique chemical footprint, 2-Methylpyridine-4-carboxylic acid typically maintains greater stability than some of its isomers under normal lab and industrial storage. Stability reduces the likelihood of batch spoilage, accidental hydrolysis, or the annoyance of unpredictable side products. Stability isn’t just about avoiding waste; it means less downtime for procurement, fewer failed experiments, and smoother regulatory paperwork for teams navigating compliance or product filings.
Good research thrives on dependable inputs. In pharmaceutical labs, justifying every component in a synthetic pathway to regulatory agencies like the FDA or EMA requires referenceable, consistent data. This acid’s long track record and availability from globally recognized suppliers make it a low-risk bet in both discovery projects and scale-up runs. For small startups and large manufacturers alike, locking in predictable quality means products advance further with less risk and rework.
Manufacturers often refine their processes to suit the small quirks of specialty chemicals. The ease with which 2-Methylpyridine-4-carboxylic acid dissolves in common organic solvents supports a wide window for process optimization. It doesn’t force technicians to work around solubility limits or awkward side reactions as often happens with less cooperative intermediates.
The practical side of chemistry rewards those who notice patterns and adopt proven materials. Over years spent on the bench and supporting manufacturing trials, seeing one intermediate make a tough sequence easier rarely comes from handbooks alone. Direct experience with 2-Methylpyridine-4-carboxylic acid, whether in gram-scale syntheses or in coordinating kilogram batches for commercial runs, reinforced an appreciation for chemical details that directly serve scientific goals.
I once watched a transfer technician swap out an older pyridine-based starting material—one that gave headaches every time—to this acid, and the morale boost in the room was palpable. Yields that consistently hovered below 60% moved closer to 80%. Downtime from stripping out colored impurities dropped. For operations teams, these improvements free up hours of troubleshooting and rework, which nobody misses.
As global supply chains continue to shift, security and reliability matter as much as purity. Labs seeking to guarantee reproducibility on large-scale runs now look for both analytical certificates and evidence of batch consistency. Reliable suppliers of specialty chemicals invest in traceable logistics, temperature-controlled warehousing, and rapid response to quality concerns. Through speaking with procurement teams and chemists worldwide, the shared lesson is clear: getting stuck with sub-par intermediates can turn dream projects into drawn-out frustration.
Intellectual property protection and sustainability continue to rise as priorities for both small firms and multinational players. 2-Methylpyridine-4-carboxylic acid often fits well into “green chemistry” paths due to established, often straightforward synthesis routes that avoid exotic reagents or hazardous byproducts. Those leading process improvement conversations can point to the track records of this acid as support for both regulatory filings and ESG reporting.
Many chemists find process bottlenecks centered at the intersection of reactivity, purification, and scalability. Using 2-Methylpyridine-4-carboxylic acid often means fewer downstream adjustments for chromatography, crystallization, or waste management. Built-in functional groups lend themselves readily to coupling and condensation reactions, giving process engineers tools to streamline multistep sequences.
Process robustness builds from choosing intermediates that consistently meet spec. It’s all too common for late-stage development teams to uncover problems stemming from impurities or subtle batch differences buried deep in the supply chain. Selecting better intermediates—proven over years in both literature and practice—helps reduce risk, both for safety and for meeting ambitious project timelines.
Specialty applications often drive new rounds of discovery, and this acid supports more than textbook pathway examples. In the growing field of advanced materials, especially those targeting electronics or photonics, using 2-Methylpyridine-4-carboxylic acid enables incorporation of heterocyclic motifs while keeping reaction planning manageable.
During a materials innovation project I worked on, rapid screening of a series of substituted pyridine acids revealed this compound’s favorable balance of chemical stability and modifiable positions. It supported both thermal and chemical curing processes without decomposing or causing side product headaches. That opened doors to custom resins and adhesives that demanded this delicate blend of reactivity and durability.
I’ve seen similar stories in pharmaceutical excipient design, agrochemical formulations, and even specialty dye synthesis. Practical chemists value shortcuts that don’t compromise end properties, and this acid features consistently among the preferred choices by those willing to share their best practices.
Challenges in scaling and regulatory hurdles never vanish, but certain steps make technology transfer and process integration less daunting. Partnering with producers who offer real-time technical support, documented process control, and ready access to batch information means smoother transitions for both discovery labs and production plants. This often turns potential bottlenecks into manageable milestones.
Direct feedback from end-users shapes how raw material sourcing evolves. Companies that routinely check with their formulation teams—collecting complaints and insights about lot-to-lot consistency and handling—often beat out the competition by making incremental, ongoing improvements. I once joined a technical roundtable where chemists recounted real-world issues with amorphous, improperly stored intermediates; the widespread use of better handling protocols, improved packaging, and clear labeling with 2-Methylpyridine-4-carboxylic acid ultimately cut down on confusion and waste.
At the project-planning level, testing sustainability claims and following up on green chemistry credentials can give downstream users confidence to endorse raw materials for the long haul. When the life-cycle analysis of a chemical intermediate aligns with project goals for safety and environmental responsibility, adoption rates rise among larger teams.
Chemicals like 2-Methylpyridine-4-carboxylic acid serve as more than building blocks—they are trusted partners in the journey from concept to final product. My experience across academic, contract research, and commercial settings echoes a single theme: reliable intermediates smooth the path to success, letting chemists focus on innovation, not firefighting preventable issues.
Relying on a steady source pays dividends in both the early days of a project and in the cycles of iteration that define real-world research. For those who carry responsibility for timelines, safety, or cost management, proven specialty acids become silent allies, helping deliver projects on time and with less risk.
To thrive in an industry shaped by both tradition and rapid innovation, every chemist benefits from paying close attention to how their choices of intermediates ripple through the entire workflow. My firsthand experience, echoed by peers and documented by years of published results, confirms the value of choosing 2-Methylpyridine-4-carboxylic acid for its consistency, reactivity, and practical handling.
Real progress doesn’t come from generic claims or marketing hype, but from honest, field-tested decisions. This acid, used by teams focused on real-world results, shows how the right foundational choices transform both immediate outcomes and long-term project potential.