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Sodium Sulfadiazine

    • Product Name Sodium Sulfadiazine
    • Alias sulfadiazine sodium
    • Einecs 242-354-0
    • Mininmum Order 1 g
    • Factory Site Tengfei Creation Center,55 Jiangjun Avenue, Jiangning District,Nanjing
    • Price Inquiry admin@sinochem-nanjing.com
    • Manufacturer Sinochem Nanjing Corporation
    • CONTACT NOW
    VTB
    Specifications

    HS Code

    865728

    Chemical Name Sodium Sulfadiazine
    Formula C10H9N4NaO2S
    Molecular Weight 272.26 g/mol
    Appearance White to off-white powder
    Solubility Freely soluble in water
    Melting Point 250-255°C (decomposes)
    Cas Number 547-32-0
    Ph Of Solution 7.0-9.0 (for 10% aqueous solution)
    Storage Conditions Store at room temperature, tightly closed, away from light
    Therapeutic Use Antibacterial agent (particularly in burn therapy)
    Synonyms Sodium 4-amino-N-(pyrimidin-2-yl)benzenesulfonamide
    Stability Stable under recommended storage conditions

    As an accredited Sodium Sulfadiazine factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing Sodium Sulfadiazine, 100g, is packaged in a sealed amber glass bottle with a tamper-evident cap and chemical safety labeling.
    Shipping Sodium Sulfadiazine should be shipped in tightly sealed containers, protected from light and moisture. It must be transported in compliance with local regulations for non-hazardous chemicals. Handle with care to avoid spillage, and store at controlled room temperature. Ensure appropriate labeling and documentation accompany the shipment for safe handling and identification.
    Storage Sodium Sulfadiazine should be stored in a tightly closed container, protected from light and moisture, at a controlled room temperature (20°C to 25°C or 68°F to 77°F). Keep away from incompatible substances, such as strong oxidizers and acids. Store in a dry, well-ventilated area, and ensure the area is secure to prevent unauthorized access or accidental exposure.
    Application of Sodium Sulfadiazine

    Applications of Sodium Sulfadiazine in Industrial Manufacturing

    Sodium Sulfadiazine is a specialized active ingredient extensively applied in pharmaceutical and veterinary industries due to its bacteriostatic properties. As a direct manufacturer, we focus on high-purity production and extensive quality control to meet industry-specific requirements for downstream manufacturers. Below, we detail the primary industrial application scenarios, each governed by precise operational and regulatory parameters for safe, consistent use.

    1. Veterinary Injectable Formulations

    Veterinary pharmaceutical manufacturers employ sodium sulfadiazine as a sulfonamide antimicrobial agent in injectable products for livestock disease management. In these facilities, formulation experts integrate the active into complex sterile solutions, adhering to strict quality protocols to mitigate risks of cross-contamination and degradation. The adjustment of concentrations aligns with animal weight and infection severity, requiring tailored batch calculations and in-process analytical verification before final filling and packaging.

    Industry compliance standards

    • European Pharmacopeia (Ph. Eur.) for Active Pharmaceutical Ingredients (APIs)
    • Veterinary Good Manufacturing Practice (GMP) guidelines: VICH GL 35, EU Regulation (EU) 2019/6
    • United States Department of Agriculture (USDA) APHIS requirements for animal drugs
    • China Veterinary Pharmacopoeia (latest edition)

    Typical usage ratio

    • Commonly 5–15% w/v in concentrated stock solution; final product diluted to 0.1–5% w/v based on species and administration protocol
    • Dosage adjusted according to animal weight and infection type, with batch validation for residue compliance

    Downstream process integration

    • Sterile compounding tanks: sodium sulfadiazine added under controlled temperature and agitation
    • Filtration (0.2 µm) and aseptic filling: ensures removal of impurities and biological contaminants
    • In-process QC sampling and HPLC/purity verification before release

    Final product types

    • Injectable veterinary antibiotics for bovine, porcine, and ovine use
    • Premixed injectable solutions for industrial-scale livestock operations
    • Combination antimicrobial formulations (e.g. with trimethoprim for enhanced spectrum)

    2. Topical Pharmaceutical Creams for Animal Wound Care

    Animal health product manufacturers use sodium sulfadiazine as an active antimicrobial ingredient in topical creams to prevent and treat secondary infections in burns, wounds, and surgical incisions. Process engineers in these settings must ensure uniform dispersion and precise melting points during emulsion to avoid segregation or precipitation. Quality managers validate microbial limits and homogeneity before final bulk packaging, guaranteeing consistent activity and safety throughout shelf-life.

    Industry compliance standards

    • US FDA 21 CFR Part 211: Current Good Manufacturing Practice for Finished Pharmaceuticals
    • Veterinary Drug Directorate Canada monographs for topical agents
    • ISO 22716: Cosmetical GMP for topical pharmaceuticals
    • Directive 2001/82/EC (Europe) on veterinary medicinal products

    Typical usage ratio

    • 1–10% w/w in finished cream; standard concentration: 5% depending on regional monograph guidance and lesion type
    • Formulation ratio adjusted based on cream base viscosity and targeted antimicrobial coverage

    Downstream process integration

    • Melting and emulsification: sodium sulfadiazine is dispersed in heated oil or aqueous phase
    • Homogenization under vacuum: to optimize cream consistency and particle distribution
    • In-line sampling and micro-testing: ensures stability and absence of contaminants prior to filling

    Final product types

    • Veterinary burn cream and wound ointments
    • Animal surgical-site antimicrobial dressings
    • Combination wound-care hydrogels for equine, canine, and farm animal application

    3. Premix and Feed Additive Production for Farm Animals

    Feed additive formulators incorporate sodium sulfadiazine in premixes and complete feeds designed for the prevention and control of bacterial diseases in poultry, swine, and ruminants. Addition rates require precise scaling relative to animal age and legal maximum residue levels. Process operators apply micro-dosing and uniform blending technology to avoid “hot spots” and ensure even distribution, verified via in-line NIR spectroscopy and batch reconciliation systems during downstream processing.

    Industry compliance standards

    • European Union Feed Additive Register (Reg. EC No 1831/2003)
    • FDA Food Additive Tolerances for Animals (21 CFR 573, 21 CFR 558)
    • China Feed Additive Code and GB 13078-2017: Hygienic standards for animal feed
    • Codex Alimentarius: Maximum Residue Limits for Animal Products

    Typical usage ratio

    • 10–200 mg/kg complete feed (ppm); upper limit varies by animal species and country
    • Formulator may reduce to 50–100 mg/kg for maintenance or withdrawal period premixes

    Downstream process integration

    • Dry blending with other micro-ingredients in ribbon or paddle mixers
    • Encapsulation or microgranulation to enhance thermostability and palatability if needed
    • Bagging, pelletizing, or crumbling for bulk feed delivery systems

    Final product types

    • Medicated poultry starter and grower feeds
    • Swine and cattle feed premixes with structured withdrawal periods
    • Ready-to-use granular feed additives for on-farm mixing

    4. Bulk Tablet and Powder Manufacturing for Veterinary Use

    Veterinary drug manufacturers formulate sodium sulfadiazine into compressed tablets or soluble powders for oral administration in large-scale farm management. Specialized tableting equipment must handle the compound’s flow properties, adjusting compression force and lubrication to maintain target disintegration times. Quality assurance teams weigh each lot’s blend uniformity and dissolution rate against registration benchmarks before authorizing batch release to market.

    Industry compliance standards

    • World Health Organization GMP for veterinary drugs
    • United States Pharmacopoeia (USP) for solid oral veterinary forms
    • EMA Veterinary Medicinal Products Quality Review Documents
    • Japanese Pharmacopoeia for veterinary pharmaceuticals

    Typical usage ratio

    • Tablet: 20–500 mg active per tablet, adjusted for treated animal’s weight class
    • Powders: typically 1–10% w/w, recalculated based on endpoint dose and administration method

    Downstream process integration

    • High-shear mixing: sodium sulfadiazine blended with excipients and disintegrants
    • Tableting or sachet filling lines: calibrated for dose accuracy and dissolution
    • Final coating or dusting: improves storage and palatability

    Final product types

    • Single-agent veterinary antibiotic tablets for oral dosing
    • Combined sulfonamide-trimethoprim oral powders
    • Effervescent powder sachets for poultry or livestock drinking water systems
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    Certification & Compliance
    More Introduction

    Sodium Sulfadiazine: Meeting Real-World Needs in Modern Chemistry

    Our Perspective as Chemical Manufacturers

    Manufacturing chemicals is not just about quantity and speed; it is about responsibility and a continuous commitment to getting every detail right. For more than three decades, my colleagues and I have been involved directly in the production lines, scaling up processes, and problem-solving in real-time. That deep experience gives us a practical perspective on Sodium Sulfadiazine—a product often recognized for its place in pharmaceutical and veterinary applications, and occasionally underappreciated in terms of the complexity demanded by its practical uses.

    What Sets Our Sodium Sulfadiazine Production Apart

    Sodium Sulfadiazine stands out for us because of the intricate balance it requires during the manufacturing stages. From raw material selection through the crystallization and filtration steps, every stage presents its own challenges. Ensuring chemical purity remains one of our top priorities, and our team invests heavily in quality control methods along the full chain.

    We produce the compound commonly as a white or off-white crystalline powder, optimized for solubility and ease of mixing in downstream formulations. The specifications our clients look for often fall in line with ranges such as 99.0% minimum assay, tightly controlled moisture levels, and a very low tolerance for impurities, especially heavy metals. Achieving and sustaining these targets over large production campaigns is no accident—it demands a methodical approach and, at times, open discussions with the raw material suppliers about the consistency they deliver.

    Understanding the Parameters that Matter

    As manufacturers, we are often asked about the differences between Sodium Sulfadiazine and other sulfonamide salts or similar pharmaceutical actives. Our approach is direct; we examine everything from molecular behavior in solution to the ease with which the compound integrates into various formulations without unexpected reactivity or degradation. Compared with Sulfadiazine or other related compounds, the sodium form offers substantially higher water solubility, which is a key advantage in both injection preparations and oral suspensions.

    Handling sodium salts safely and preserving their stability can bring up unique concerns, especially during hot, humid summer months when storage conditions may fluctuate. We have fine-tuned our packaging lines with moisture-barrier films, and we learned from experience that adjusting warehouse humidity makes a significant difference. As a rule, we do not leave extended supply chain storage to chance; regular audits and checks have become standard practice for us.

    The Role of Sodium Sulfadiazine in Practice

    The largest proportion of Sodium Sulfadiazine produced here goes on to play active roles in human and animal health. Most often, our clients formulate the compound into topical creams for burn wound care, or blend it with other actives for broad-spectrum antimicrobial preparations. Our pharmaceutical partners consistently highlight the need for repeatable dissolution properties: any deviation can affect the product’s performance where it matters most—on patients. Maintaining a fine particle size and a consistent crystalline habit is not just a technicality; it’s a result of years of laboratory work and process improvements on the factory floor.

    On the veterinary side, our product supports oral and injectable solutions intended for large-scale animal husbandry. Our customers' requirements here often differ from those of the pharmaceutical market, especially in dosing, shelf-life, and approval pathways. We have dedicated specific production runs to animal health products, after realizing that cross-contamination and even minor specification drifts could result in rejected batches or regulatory scrutiny. Transparency in production and clear lot tracking—born from firsthand experience—ensure our accountability to each customer.

    Regulatory Standards and Quality Challenges

    Meeting regulatory standards in different global markets demands both rigorous documentation and a practical understanding of how each region approaches pharmaceuticals and veterinary drugs. We’ve invested in modern instrumentation—HPLC, GC, and advanced spectroscopy—to satisfy not just compulsory tests but the detailed request sets from partners planning to register drugs in complex regulatory environments. Our own internal audits often catch small deviations before third-party inspectors arrive; this culture of preemptive quality care became second nature only through years of learning the hard way.

    There are no shortcuts for cleaning reactors and storage vessels. One errant residue of a previous batch or a minor lapse in sterilization can trigger substantial product rework or even a full batch recall. This is not theory for us—every production hiccup echoes through procurement, inventory management, and even relationships with downstream companies. Facing these realities has shaped our insistence on detailed batch records and staff retraining anytime we change a parameter in our process.

    Learning from Experience: Resolving Issues in Real Time

    Many years ago, our team encountered a recurring problem with inconsistent drying patterns in large batch crystallizations of Sodium Sulfadiazine. That led to higher moisture content and, consequently, a greater risk of caking and reduced shelf life. We brought the problem to the table with our operations team, traced it back to airflow inconsistencies in our drying suit, and redesigned the air ducting. What emerged was not only a technical fix but a lesson in the value of open communication between maintenance, QC, and production. Small operational details have long-term impacts on product reliability, storage, and, ultimately, on our customers’ confidence.

    Such lessons inform how we approach each customer query today. We never assume that a batch leaving the factory is perfect. Thorough testing, third-party verification, and sometimes even a double-check of outgoing shipments help ensure that no corners are cut in the quest for efficiency. We have stopped shipments from leaving the premises just because a single HPLC reading creeped above specification for an impurity. That decision slowed things down, but it built a foundation of trust with partners who had faced tighter government inspections.

    Comparisons to Other Sulfonamides and Analogues

    Some buyers ask why Sodium Sulfadiazine should be chosen over other sulfonamide antibiotics. We do not provide medical advice, but from a manufacturing standpoint, the sodium salt’s solubility and stability profiles create specific advantages for dosage form development. For injection-grade applications, Sulfadiazine in its acidic form brings solubility challenges, while the sodium salt gives dosing flexibility and rapid formulation. Our plant’s capability to fine-tune particle size and filtration processes further maximizes the consistency needed for injectable drugs.

    Compared with other sulfa-drugs, such as sulfamethoxazole or sulfadimidine, Sodium Sulfadiazine’s structure and ionic nature support a different spectrum and pharmacokinetic profile. Process control steps—reaction temperatures, pH adjustment, and holding times—require close monitoring. We have upgraded our monitoring systems throughout the years to catch any out-of-tolerance variance early, sparing us from costly reworks. The practical differences, backed by testing and operational data, provide our customers a clearer path between the raw chemical and the finished drug.

    Downstream Handling and Storage: Challenges and Real-World Solutions

    Once Sodium Sulfadiazine leaves our plant, it passes into a chain that sometimes involves repackaging, blending with sensitive excipients, or global transport in fluctuating climates. Years ago, we noticed some customers struggling with caking or minor color shifts after long shipments during humid seasons. We examined transport and storage data, traced issues to inadequate moisture barriers, and responded by improving both internal packaging techniques and outgoing shipment recommendations.

    Direct conversations with users spurred practical ideas—adding desiccants to every drum, using multilayer lining instead of single-layer PE bags, and adjusting recommended temperature storage. Every tweak came from a combination of field feedback and our own investigation, not simply from compliance paperwork. The results spread beyond our own product, influencing how we have since handled additional sulfonamide intermediates and other sensitive bulk drugs.

    Collaborative Projects: Building Knowledge Across Industries

    Over the years, we have partnered with academic teams exploring new uses for Sodium Sulfadiazine beyond its mainstream antimicrobial purpose. Researchers involved with material science applications, such as in polymer blends or water treatment projects, have reached out for higher-purity grades and alternative crystal morphologies. Addressing these queries required flexibility and a willingness to adjust our regular process flow.

    On several occasions, such collaboration pushed us to run pilot batches at lower than normal production speeds, or to operate alternate reaction routes. The process served dual benefits: not only did these short runs support research but they provided us data on the boundaries of our standard operation—a constant learning opportunity rooted in trial and documented adjustment.

    Supporting Safety: Focused Training and Documentation

    Within the facility, handling Sodium Sulfadiazine safely takes more than compliance; it demands a sustained culture of awareness. Powdered forms can generate dust, and accidental inhalation presents health risks. Our staff has undergone thorough training, not just as a regulatory box to check, but drawn from real incidents and near-misses recorded in our own plant logs.

    We value transparent incident reporting and encourage an open culture regarding mistakes or “almost mistakes.” For instance, a minor leak in a filling line triggered a quick evacuation ten years ago, prompting plant management to overhaul not just the line in question but also internal alarm training for all staff. These are the unspoken lessons that shape how materials are ultimately handled, stored, and respected from raw stage through finished packaging.

    Listening to Our Customers

    Our dialogue with customers does not end at the purchase order. Regular site visits, unsolicited phone calls, and even the occasional urgent request during a late-night shift allow us a window into how our product performs down the line. We have seen our Sodium Sulfadiazine contribute directly to the rapid response required during regional health emergencies. The fact that clients repeatedly turn to us during critical points, placing express orders for additional volumes, underlines the trust built by our relentless focus on quality—something spreadsheets alone do not reveal.

    Occasionally, a customer highlights a need we hadn’t anticipated, sparking internal discussion and R&D repositioning. One notable request came from a long-time veterinary medicine partner who required an extra-fine grade for a new oral formulation intended for smaller animals. Months of labwork and equipment adjustment culminated in a new fine-grain product line, now available as a result of a single market observation. Those conversations remind us that product development is not static; customer feedback and evolving science should move hand in hand with manufacturing reality.

    Continuous Improvement and Response to Market Trends

    We do not simply watch market trends from a distance. Broader access to information and advancements in analytical chemistry mean that customers and regulators recognize subtleties in the materials they buy. Ongoing investments in process automation and digital monitoring provide live data that allows us to adjust parameters for every new batch. Years ago, troubleshooting might have taken days; now, our engineers react to changes within hours, backing every adjustment with a detailed log. These investments are less about keeping up appearances and more about ensuring every gram leaving our plant meets a standard that will not fail the next step in the chain of care.

    As part of our continuous improvement, we collect real performance data from customers and monitor shelf-life characteristics under stress conditions that mimic real global shipping and warehousing scenarios. This process has identified the need for new moisture-proof packaging and improved label systems that clearly highlight lot traceability. What began as a single customer complaint over mislabeling years ago now informs the rigorous controls in place for every drum and package that leave our site.

    Sodium Sulfadiazine: Shaped by Real Needs, Not Theory

    Every batch of Sodium Sulfadiazine represents more than chemical synthesis; it embodies the collective learning of everyone in the plant, from lab chemists to warehouse staff. Our experience says that excellence in chemical manufacturing comes from the ground up, shaped by listening, learning, and facing challenges head-on. Real-world use guides our priorities—purity, solubility, particle size, and shelf-life take precedence not because of data sheets but because patients and practitioners count on them.

    This product stands apart for us and our partners not simply because of specification numbers, but because of the attention and care embedded at every step, born from lessons learned across generations of production. Sodium Sulfadiazine’s continued importance across pharmaceutical and veterinary science reflects both its adaptability and the commitment required behind the scenes, every day, to deliver reliability that the entire chain can count on.