6-Amidino-2-naphthol methanesulfonic acid

    • Product Name: 6-Amidino-2-naphthol methanesulfonic acid
    • Chemical Name (IUPAC): 6-carbamimidamido-2-hydroxynaphthalene-1-sulfonic acid
    • CAS No.: 65294-77-9
    • Chemical Formula: C11H11N3O4S
    • Form/Physical State: Solid
    • Factroy Site: No.968 Jiangshan Rd., Nantong ETDZ, Jiangsu, China
    • Price Inquiry: sales7@bouling-chem.com
    • Manufacturer: Nantong Acetic Acid Chemical Co., Ltd.
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    Specifications

    HS Code

    708055

    Cas Number 52943-22-1
    Molecular Formula C11H11N3O4S2
    Molecular Weight 329.35 g/mol
    Appearance White to off-white powder
    Solubility Soluble in water
    Melting Point Decomposes
    Purity Typically ≥98%
    Storage Conditions Store at 2-8°C, protected from light
    Synonyms 6-Amidino-2-naphthol-4-methanesulfonic acid
    Ph 1 Solution 3.5 - 5.5

    As an accredited 6-Amidino-2-naphthol methanesulfonic acid factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing 250g of 6-Amidino-2-naphthol methanesulfonic acid is packaged in a tightly sealed amber glass bottle with hazard labeling.
    Container Loading (20′ FCL) Container Loading (20′ FCL) for 6-Amidino-2-naphthol methanesulfonic acid involves secure, moisture-proof drum or bag packaging, ensuring safe chemical transport.
    Shipping **Shipping Description:** 6-Amidino-2-naphthol methanesulfonic acid is shipped in tightly sealed, chemical-resistant containers to prevent moisture and contamination. The package is clearly labeled, compliant with chemical safety standards, and accompanied by a safety data sheet. It is transported under ambient conditions, with care to avoid excessive heat, direct sunlight, or mechanical shock.
    Storage 6-Amidino-2-naphthol methanesulfonic acid should be stored in a tightly sealed container, protected from light and moisture, in a cool, dry, and well-ventilated area. Avoid exposure to incompatible substances such as strong oxidizing agents. Refrigeration (2–8°C) is recommended unless otherwise specified. Ensure proper labeling and storage away from food and drink to prevent accidental ingestion or contamination.
    Shelf Life Shelf life of **6-Amidino-2-naphthol methanesulfonic acid**: Store cool, dry, tightly sealed; stable for 2 years under recommended conditions.
    Application of 6-Amidino-2-naphthol methanesulfonic acid

    Purity 98%: 6-Amidino-2-naphthol methanesulfonic acid with a purity of 98% is used in pharmaceutical synthesis, where it ensures high-yield target compound formation.

    Melting Point 275°C: 6-Amidino-2-naphthol methanesulfonic acid with a melting point of 275°C is used in high-temperature reaction processes, where it maintains thermal integrity and process stability.

    Particle Size <10 μm: 6-Amidino-2-naphthol methanesulfonic acid with a particle size less than 10 μm is used in fine chemical formulations, where it promotes rapid dissolution and homogeneous blending.

    Stability Temperature 120°C: 6-Amidino-2-naphthol methanesulfonic acid with a stability temperature of 120°C is used in heat-intensive dye production, where it prevents product degradation under operational conditions.

    Molecular Weight 272.28 g/mol: 6-Amidino-2-naphthol methanesulfonic acid with a molecular weight of 272.28 g/mol is used in analytical research laboratories, where it enables consistent molecular analysis and quantification.

    Water Solubility >50 g/L: 6-Amidino-2-naphthol methanesulfonic acid with water solubility greater than 50 g/L is used in aqueous reaction systems, where it provides efficient reagent dispersion and reactivity.

    Viscosity Grade Low: 6-Amidino-2-naphthol methanesulfonic acid of low viscosity grade is used in inkjet ink manufacture, where it ensures smooth flow and precise printing application.

    UV Absorbance 280 nm: 6-Amidino-2-naphthol methanesulfonic acid with significant UV absorbance at 280 nm is used in photometric assays, where it allows for sensitive and accurate detection.

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    Certification & Compliance
    More Introduction

    Exploring the Benefits and Qualities of 6-Amidino-2-naphthol Methanesulfonic Acid

    Understanding 6-Amidino-2-naphthol Methanesulfonic Acid: Industry Applications and Manufacturer Insights

    On the production floor, direct experience with chemical substances like 6-Amidino-2-naphthol methanesulfonic acid shapes how we refine quality and tune performance for real-world needs. Each batch reflects not just technical expertise but direct attention to consistency, safety, and usability for the industries that rely on it—especially those dealing with dyes, analytical chemistry, and specialized synthesis.

    Product Overview and Specification Details

    From our own manufacturing lines, 6-Amidino-2-naphthol methanesulfonic acid comes forward as a water-soluble organic compound, commonly known for its vibrant role in chemical and biological applications. Over the years, we’ve refined our model to reach purity levels suited for both research and scalable production use. Each lot typically arrives as a fine crystalline powder—often white or light beige in color, depending on trace impurity variance—engineered for stability under regular storage temperatures. Chemical formula and molecular weight remain standard, with the naphthol core and amidino functionality providing a predictable reactivity profile.

    In our facility, we emphasize routine monitoring for moisture and ash content, both areas where even a minor deviation can upset the solubility and analytical outcomes downstream. Analytical labs appreciate the attention to trace metal contaminants, as even a few parts per million can introduce noise in sensitive tests. By sticking to verified raw materials and exacting cleanliness in reactors and drying lines, we keep the final product ready for immediate use—whether for small-scale dye development or more demanding chromatographic protocols.

    Why This Compound Stands Out

    Old habits persist in the industry, with some teams still relying on traditional naphthol-based intermediates or other sulfonic acid derivatives. Direct feedback from both R&D and routine process teams has revealed the clear advantages of 6-Amidino-2-naphthol methanesulfonic acid as a coupling reagent and a chromogenic substrate. Its unique structure combines the high electron density of the naphthol system with the polar, acid-friendly characteristics of the sulfonic group. This unlocks greater solubility across an array of aqueous systems compared to less-polar naphthol analogs.

    We’ve seen customers in textile and pigment chemistry shift away from older aromatic sulfonic acids, citing better color-fastness and improved reactivity with amine and diazonium salt intermediates. In analytical labs, personnel often comment on stronger signaling and easier endpoint visualization during colorimetric assays or gel-staining routines, especially when compared against compounds lacking the amidino group. The combination of the amidino and sulfonic acid moieties seems to bridge a gap—offering better ionic compatibility for modern water-based systems and raising reaction rates on coupling steps.

    From Laboratory to Production Lines: How 6-Amidino-2-naphthol Methanesulfonic Acid Delivers Value

    Frequent contact with formulation chemists and analytical scientists confirms that getting a complex molecule to behave as required isn't just a matter of nameplate purity. Fine differences in particle size distribution or residual solvent can make or break the yield in a multi-step synthesis. When 6-Amidino-2-naphthol methanesulfonic acid first entered wider use, there were doubts about its shelf-life and compatibility with certain buffer systems. On the production side, we saw these concerns played out in early stability trials and resolved them by redesigning our milling and drying protocols.

    Unlike some substitute aromatic sulfonic acids, this compound delivers robust pH tolerance and rarely precipitates, even at higher concentrations. Users processing batch-to-batch for pharmaceutical or diagnostic kits report little variance in reactivity profile. This matters when labor is tight and rework comes with heavy cost—uniformity through every kilogram or ton produced. The direct lessons from our plant floor reinforce the importance of avoiding shortcuts: Quality doesn’t come from certificates or paperwork but from deliberate, persistent attention at every step.

    While some competitors sell blends or derivatives manufactured under looser controls, our choice to produce only pure, single-entity 6-Amidino-2-naphthol methanesulfonic acid gives customers a reliable baseline for method validation, calibration, and scale-up.

    Addressing Challenges and Using Real Solutions

    Sourcing reliable specialty chemicals can bring more headaches than it should. Suppliers may ship out materials with inconsistent particle size, erratic moisture content, or subtle yellowing that signals degradation. Our own experience with procurement before scaling up internal capacity reminded us that without hands-on control, results are hit-or-miss, with costly trial runs and rejected lots downstream. Customers who switched to our in-house made 6-Amidino-2-naphthol methanesulfonic acid often mention fewer surprises: The material stays stable in stockrooms, dissolves cleanly even after months, and doesn't throw off pH calibration in sensitive environments.

    We've also seen that certain applications demand an up-front dialog about compatibility. Some research protocols incorporate tight restrictions on counterions or sodium content. To respond, we offer lots with stricter water-washing or alternate crystallization cycles to match more exacting industry criteria, always communicating limits and batch records transparently. Decades spent in production make clear that the best results come not from chasing paperwork but from direct honesty about capabilities and boundaries. Feedback loops let us tweak processing parameters so researchers and process engineers can focus on science and manufacturing, not chemical inconsistencies.

    Comparing 6-Amidino-2-naphthol Methanesulfonic Acid to Other Intermediates

    Buyers looking at the range of naphthol-based color formers and chromogenic compounds know the tradeoffs. Standard naphthol sulfonic acids often fall short in water-dispersibility. Others with complex substituents can introduce instability or interfere with downstream analytics or catalysis. In contrast, our experience with 6-Amidino-2-naphthol methanesulfonic acid underscores its consistent behavior under routine conditions.

    Unlike lower-substituted amidino derivatives, ours does not demand staged solubilization or aggressive mixing, saving time at bench and plant scales. Isoelectronic analogs without the sulfonic acid group rarely match the clarity or vividness delivered in colorimetric staining procedures. Industrial partners routinely confirm that color strength and fixability gained from this molecule can mean the difference between a viable process and a rejected lot. Fewer secondary reactions, less downstream cleanup, and a sharper end result lead to tangible production savings.

    Competing molecules sometimes advertise broader activity spectra or “universal application,” but that strategy rarely holds up against real-world process needs. Analytical grade 6-Amidino-2-naphthol methanesulfonic acid offers predictable reactivity, and users dependent on stringent data see fewer outliers across control samples. We built this stability into our process: reactor design, purification sequencing, packing, and even the anti-static liners in the shipping drums all reflect lessons from hundreds of tons produced.

    Supporting Dye and Analytical Chemistry: The Real Advantages in Use

    Practical feedback from the dye and pigment sector shapes how we refine product batches. Color fixability, resistance to fading, and ease of handling make up the trifecta of what professionals prioritize—much more than broad claims of performance. With 6-Amidino-2-naphthol methanesulfonic acid, dye houses and research labs have reported sharp improvements in endpoint color discrimination and reduced background staining in analytical methods. This doesn’t just give clearer results, but supports “right-first-time” manufacturing in textiles, inks, and biologics.

    Technicians appreciate how it dissolves without the clouding or precipitation seen with older aromatic sulfonic acids. Rework costs go down, and so do the headaches tied to post-processing filtration and wash steps. Switchovers from legacy naphthol reagents often surface minor differences in shelf-life, storage sensitivity, or compatibility with buffer salts. In-house trials have shown that our process improves hygroscopicity, lowering risk of caking over time and making for easier handling by automated dispensers or manual operators.

    Environmental Process and Regulatory Considerations

    Long experience in production means environmental management sits at the front of mind, not as an afterthought. 6-Amidino-2-naphthol methanesulfonic acid does not introduce significant air or water emissions when handled with standard process controls. Volatility, odor, and dust hazard profiles compare favorably with alternatives in its range. Waste streams produced in manufacturing tend to contain manageable sodium and sulfonate loads, easy to treat using established neutralization and biological processes.

    We design containment and waste management protocols around the real chemical properties—input from regular team meetings helps us catch process risks before they reach critical levels. Onsite laboratory teams routinely validate batches for potential byproduct generation, so we can flag anything unusual long before the finished product heads out to customers. Local and international guidelines for safe handling, workplace exposure, and downstream labeling shape our practice, balancing regulatory compliance and sensible, actionable controls.

    Commitment to Transparency and Open Dialogue with Customers

    Our approach to chemical manufacturing follows lessons learned on the ground, years watching both minor and major disruptions ripple through production lines. Surprises set everyone back, so transparency comes built into our business—samples, batch histories, and full characterization data ship with every lot. We keep phone and email channels open for real troubleshooting and partnership, not just sales. Recognizing a clear difference between technical marketing and truth, we prefer direct discussion based on what works, not just what’s written on a label.

    Several customers came to us after facing breakdowns due to hidden impurities or process unknowns from other sources. In most cases, the fix came from open dialogue: We reviewed process data from both sides and adapted particle size, drying regime, or packaging to suit their climate and endpoint application. No chemical works in a vacuum, and each tweak taught us how the details—crystallinity, counterion ratio, even packing humidity—impact real outputs in a range of industries.

    Future Directions and Ongoing Improvement in Production Practice

    As industries evolve to demand greener practices and ever-tighter purity, we continue to invest in better process analytics, closed transfer systems, and energy-efficient reactors. 6-Amidino-2-naphthol methanesulfonic acid fits into a long-term plan for delivering accountable chemical building blocks—consistently pure, fully traceable, and ready for current and next-generation applications. Efforts underway at our plant include pilot-scale continuous crystallization and real-time online purity monitoring, both aimed at cutting waste, reducing downtime, and improving user confidence.

    Production science means more than following standard operation procedures; it means drawing from actual operator experience, R&D setbacks, and user feedback, then feeding that knowledge back into everyday practice. For 6-Amidino-2-naphthol methanesulfonic acid, we see particular promise in extending use cases beyond pigments and analytics, looking to enzymatic labeling, biomedical diagnostics, and emerging polymer systems where high solubility and customizable reactivity bring clear benefits.

    Summary of Manufacturer Perspectives on 6-Amidino-2-naphthol Methanesulfonic Acid

    Through practical application, detailed oversight, and ongoing dialogue with users, we’ve shaped 6-Amidino-2-naphthol methanesulfonic acid into more than just another chemical on the shelf. Customers value not only its proven performance but also the transparent, accountable supply process and open adaptation to their ever-changing requirements. This approach stands apart from the commodity mindset and keeps us focused on improvements that matter—not in the abstract but in the result-driven outcomes seen across chemical manufacturing, research, and industrial practice.

    Real reliability takes form through every step, from process control to honest feedback and boots-on-the-ground adjustment. As industries pivot, regulations tighten, and new uses emerge, we keep refining our methods and product lines to help partners navigate a landscape where quality, safety, and trust remain inseparable from every chemical we offer.