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2-Amino-5-Bromo-[1,3,4]Thiadiazole

    • Product Name 2-Amino-5-Bromo-[1,3,4]Thiadiazole
    • Alias 5-Bromo-2-aminothiadiazole
    • Einecs 253-738-0
    • 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

    232729

    Chemical Name 2-Amino-5-Bromo-[1,3,4]Thiadiazole
    Molecular Formula C2H2BrN3S
    Molecular Weight 180.03 g/mol
    Cas Number 16082-74-1
    Appearance White to off-white crystalline powder
    Melting Point 185-188°C
    Solubility Slightly soluble in water, soluble in organic solvents
    Purity Typically ≥97%
    Storage Condition Store in a cool, dry place, tightly closed
    Synonyms 5-Bromo-1,3,4-thiadiazol-2-amine
    Smiles Brc1nnc(N)s1
    Inchi InChI=1S/C2H2BrN3S/c3-1-2(4)6-7-5-1/h(NH2)H

    As an accredited 2-Amino-5-Bromo-[1,3,4]Thiadiazole factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing The 2-Amino-5-Bromo-[1,3,4]Thiadiazole is packaged in a sealed 25-gram amber glass bottle with tamper-evident cap.
    Shipping 2-Amino-5-Bromo-[1,3,4]Thiadiazole is shipped in tightly sealed, chemical-resistant containers to prevent contamination and moisture exposure. Packaging complies with international transport regulations. Store in a cool, dry place, away from incompatible substances. Ensure appropriate labeling and documentation for safe handling during transit. Handle with care following relevant safety guidelines.
    Storage 2-Amino-5-Bromo-[1,3,4]Thiadiazole should be stored in a tightly sealed container, in a cool, dry, and well-ventilated area, away from incompatible substances such as strong oxidizers. Protect from light, moisture, and heat. Appropriate personal protective equipment (PPE) should be used when handling the chemical, and proper labeling and safety protocols must be followed at all times.
    Application of 2-Amino-5-Bromo-[1,3,4]Thiadiazole

    Applications of 2-Amino-5-Bromo-[1,3,4]Thiadiazole in Industrial Manufacturing

    As a core manufacturer specializing in 2-Amino-5-Bromo-[1,3,4]Thiadiazole, we focus on reliable export supply for high-value industrial fields. Below, we outline verified downstream application areas, compliance requirements, processing integration, and finished product examples based on proven formulation and market practices across the fine chemical sector.

    1. Pharmaceutical Intermediate for Sulfonamide Synthesis

    Inverse electron demand and bromine reactivity make this thiadiazole a valued intermediate for synthesizing advanced sulfonamide-based APIs. Medicinal chemists use it in second-step heterocyclic core assembly, typically under controlled reaction monitoring for purity and residual bromide. End users in the formulated drug sector require traceability and pharmacopoeia compliance for all supply chain inputs. Manufacturers adjust raw material charge ratios to suit reaction kinetics, targeting complete conversion with minimal side-product formation.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice for Active Pharmaceutical Ingredients
    • USP–NF monographs reference for related pharmaceutical ingredients
    • China Pharmacopoeia (ChP) and EU GMP Part II
    • REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) dossier for pharmaceutical use

    Typical usage ratio

    • 0.8–1.2 molar equivalents depending on target reaction scale and yield optimization
    • Adjustment aligns with sulfonyl chloride counterpart, by-product minimization required

    Downstream process integration

    • Charged at heterocycle formation stage, after pre-purification of starting aniline or hydrazine inputs
    • Followed by controlled heating and in-process HPLC for purity assessment
    • Pilot batch evaluated before commercial lot production

    Final product types

    • Sulfonamide antibiotics APIs (e.g., sulfamethoxazole derivatives)
    • Intermediate blocks for other antimicrobial agents
    • Finished pharmaceutical compounds containing heteroaryl motifs
    • Regulatory-filed drug starting materials

    2. Agrochemical Intermediate for Fungicide Actives

    Regional agrochemical producers utilize this compound as a key intermediate for triazole and thiadiazole fungicide precursors. The bromo group enables site-selective functionalization, supporting downstream scaffold diversification. Users in the pesticide sector comply with strict pesticide residue and impurity profile standards, executing large-scale synthesis in closed reactor lines to guarantee dust and emission control.

    Industry compliance standards

    • FAO/WHO Specifications and Evaluation for Agricultural Pesticides
    • ISO 9001:2015 Quality Management for Agrochemical Production
    • China National Standard GB 2763 Maximum Residue Limits for Pesticides
    • EU REACH Annex XIV for biocidal applications

    Typical usage ratio

    • 1.00–1.10 molar equivalents with triazole nucleophile input
    • Fine-tuned by process chemist based on desired impurity cut-off and final assay

    Downstream process integration

    • Added during stepwise assembly of triazole–thiadiazole hybrid cores
    • Continuous-flow or batch reactor, typically prior to final ring closure
    • Followed by phase separation, solvent exchange, and product crystallization

    Final product types

    • Agricultural fungicide technical concentrates (TCs)
    • Emulsifiable concentrate (EC) and suspension concentrate (SC) pesticide formulations
    • Custom triazole-thiadiazole actives for field crop protection
    • Seed treatment active compound intermediates

    3. Intermediate in Dye and Pigment Production

    OEMs in the colorant sector source this thiadiazole for use in specialty azo and heterocyclic dye synthesis. Its brominated structure supports diazo coupling and nucleophilic aromatic substitution to yield high-stability chromophores tailored for plastics, textiles, and coatings. QA inspection requires batch identity proof and full trace impurity data to meet colorfastness benchmarks.

    Industry compliance standards

    • OEKO-TEX® Standard 100 conformity for textile dye raw materials
    • EU REACH registration for dye intermediates (Annex VII–VIII)
    • Dystar compliance protocols (global dye sector)
    • ISO 105-E04 Color Fastness to Perspiration (for pigments in textiles)

    Typical usage ratio

    • 0.6–1.3 molar equivalents relative to coupling partner (e.g., aminophenol or nitrophenol)
    • Tuning determined by shade and depth requirements

    Downstream process integration

    • Fed into coulping reactor post-diazonium salt formation
    • UV absorbance assay after each block assembly
    • Product filtered, milled, and tested for color index profile

    Final product types

    • Textile dyes for cotton and synthetic fibers
    • Plastic color masterbatches
    • High-performance organic pigments for paints and inks
    • Special-effect dyes for leather and industrial coatings

    4. Intermediate for Custom Electronic Material Synthesis

    Specialty electronics manufacturers exploit this compound’s electron-rich nitrogen-sulfur ring system to construct functionalized aromatic intermediates for high-temperature and high-resistance polymer backbones. Strict cleanroom procedures and trace metal analysis assure process reliability during additive or block copolymer assembly for flexible circuits and display substrates.

    Industry compliance standards

    • RoHS (Restriction of Hazardous Substances Directive) for electronic compounds
    • IEC 62474 Material Declaration Standard
    • ISO 14001 Environmental Management for electronics material supply chain
    • UL 94 Flammability Standard (for polymer resins and films)

    Typical usage ratio

    • 0.3–0.8 molar equivalents in mixed monomer feed, dictated by polymer chain design
    • Engineers adjust ratio to balance conductivity and flexibility in the finished resin

    Downstream process integration

    • Blended at monomer pre-polymerization stage
    • Subjected to vacuum stripping and in-line IR monitoring
    • Post-polymerization, the block is characterized by GPC and DSC

    Final product types

    • Conductive polymers for flexible electronic boards
    • Display panel substrates with anti-static properties
    • Heat-resistant resins for connector and housing applications
    • Dielectric coatings for microelectronic devices
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    Certification & Compliance
    More Introduction

    2-Amino-5-Bromo-1,3,4-Thiadiazole: Insights from the Production Line

    Real-World Chemical Manufacturing Experience

    Walking the plant floor, you notice the unique characteristics that make certain molecules stand out. With years of experience in synthesizing heterocyclic chemicals, we've had many opportunities to refine our approach to 2-Amino-5-Bromo-1,3,4-Thiadiazole. This compound doesn’t just pass through reactors – it undergoes a transformation born from close attention to detail and a deep understanding of organobromine chemistry.

    Molecular Profile: What Sets It Apart

    The synthesis of 2-Amino-5-Bromo-1,3,4-Thiadiazole brings together halogen and nitrogen groups on the aromatic thiadiazole ring. This structure plays a significant role in the compound’s reactivity and downstream applications. The bromine atom at the fifth position, combined with the amino group at the second position, creates unique electronic effects. In the reactor, even small changes in pH or temperature can alter product quality, so tight process control becomes critical. From batch monitoring to final filtration, each step adds value.

    A trained eye spots the differences in crystal growth or powder flow, sensing already how the molecular structure will influence solubility and functional group compatibility in future reactions. These insights translate directly to the lab bench and to our partners’ projects. Every shipment carries the assurance of experience— chemistry handled not by protocol alone, but by intuition honed through thousands of cycles.

    Purity, Consistency, and Real Manufacturing Challenges

    Purity is just the start. Maintaining consistent 2-Amino-5-Bromo-1,3,4-Thiadiazole takes a combination of analytical vigilance and mechanical reliability. At the earliest stages, we select raw materials for reliability—our years working directly with suppliers matters here. Reaction vessels see regular maintenance schedules, and we calibrate analytical tools before every run. Though machines handle most of the heavy lifting, seasoned operators notice the subtle cues that keep molecules in line. UV-Vis spectroscopy, HPLC, and NMR results point to process health as much as finished material.

    Some lots find their way to customers specifying tight limits for related impurities or trace moisture. Adjusting process parameters such as brominating agent concentration or reaction time tunes those results. This feedback loop, quick communication between technical teams and manufacturing, makes sure each drum or package matches declared specifications and real-world performance.

    The Role of 2-Amino-5-Bromo-1,3,4-Thiadiazole in Advanced Synthesis

    Industry partners use 2-Amino-5-Bromo-1,3,4-Thiadiazole as a building block for more complex molecules. The amino and bromo groups present valuable anchor points in cross-coupling and condensation reactions. Compared with non-halogenated thiadiazoles, this compound opens doors for ligand design and pharmaceutical intermediate synthesis. Our in-house R&D team collaborates with customers to tweak form or grade, based on a project’s reactivity needs.

    Our experience shows that brominated thiadiazoles behave differently from their chlorinated or iodinated cousins. Bromine’s unique size and electronegativity create a sweet spot – not too reactive for storage and transport, but plenty active under the right base or catalyst. Instead of shifting resources between dozens of intermediates, focusing synthesis and scale-up protocols around robust, reliable 2-Amino-5-Bromo-1,3,4-Thiadiazole clears bottlenecks. Many customers report improved yields and fewer by-products once steps built on a foundation of quality start with us.

    From Reactor to Final Product: Practical Differences

    Compared to 2-Amino-5-Chloro-1,3,4-Thiadiazole or its non-halogenated relatives, processing 2-Amino-5-Bromo-1,3,4-Thiadiazole means different hazards and practical requirements. Handling brominating agents demands careful workspace ventilation and monitoring. Procedures developed in-house over the years ensure safety from feed tank to final drying. We invest heavily in dust collection and waste management, making certain that our workers and the surrounding community remain protected from stray material.

    The finished compound’s melting point, stability profile, and appearance set the tone for how clients will use it downstream. Some lots go out as free-flowing powders; others ship as fine crystals tailored to a specific formulation. Each targeted outcome takes planning at the formulation and packaging stages. Over time, we’ve discovered small tweaks—switching a filter medium, adjusting drying temperature—that can increase shelf life and ease of handling for our partners.

    Quality Control Rooted in Practical Knowledge

    Manufacturing is never just a checklist. It comes down to the judgment calls made on the line every day. Regular spot checks and comparison against historical batches build trust. For each production run, we retain reference samples and run purity checks using reliable techniques. If even a small deviation turns up—solubility off, appearance less than optimal—production halts while the team troubleshooting and problem-solving on the spot.

    Inspection extends beyond finished chemical. We test incoming solvents and bromine for trace contaminants, knowing that batch-to-batch consistency depends just as much on what goes in as on what comes out. By deeply understanding the interaction between process and ingredient variability, we maintain high standards that hold up under regulatory or partner scrutiny.

    Market Applications: From Ideas to Industry

    Work with this compound reaches into pharmaceuticals, agrochemicals, electronics, and beyond. Our experience shows that certain applications—like biocidal molecules or OLED intermediates—demand a specific particle size or moisture specification. These requirements emerge from years of both lab work and dialogue with formulation teams. Each request energizes us to rethink processing if needed. Examples include fine-milling steps or advanced drying designed around a partner’s downstream production line.

    Take, for instance, the synthesis of tailored fungicides. A small change in impurity content or particle morphology affects formulation and end-product stability. Based on long-term feedback, we now offer several specification “bands,” each based on real requests from application scientists, not guesses from the marketing department. 2-Amino-5-Bromo-1,3,4-Thiadiazole shapes its value through successful application, not just analytical reports.

    Environmental and Regulatory Responsibility

    Production teams encounter challenges with waste bromine and solvent recovery. Investment in closed-loop systems and continual monitoring stems not from external audits, but from a sense of responsibility. By recycling solvents and capturing most of our reactants, we cut down on both input costs and environmental impact. Mistakes in chemical waste handling can set a facility back for months—firsthand experience with compliance and site visits informs our daily choices on the line.

    Our records on emissions and waste are transparent, with all data kept for compliance—and for learning. The team works hard to minimize energy consumption through tailored reaction conditions and heat integration. Our aim goes beyond legal requirements, building a culture where each technician understands the reason behind every safety and environmental step. That pride in work reflects in the final product that leaves our doors.

    Technical Support That Starts with Listening

    On the business end, we recognize the value in technical conversations with our partners. Years spent answering tough questions sharpened our skills. From troubleshooting solubility issues to helping set up pilot-scale reactions, we approach support through shared problem-solving. Open exchanges of experience and facts drive practical solutions, whether for scaling up in a new plant or introducing a fresh analytical method for purity testing.

    This level of interaction sets chemical production apart from simple trading. Partners work with us not only for material, but for know-how that helps avoid failed batches or costly rework. The real impact lies in lines of code in a scientist’s notebook or in unexpected color changes observed in a plant reactor. We value every shared result, adjusting what we offer to match evolving requirements.

    Continuous Improvement: Lessons Learned

    Continuous improvement never stops, even with well-established molecules. The adoption of process automation and real-time analytics came incrementally as real-world problems needed solving, rather than simply for technology’s sake. Operators and chemists collaborate on small-scale test reactions before full-scale implementation, measuring results with the same instruments used in production. Lessons learned with 2-Amino-5-Bromo-1,3,4-Thiadiazole often end up refining how we handle other related thiadiazoles, spreading knowledge throughout the facility.

    Some of the most important lessons come from things that go wrong: unexpected byproducts, filtration issues, or changes in supplier quality. Each challenge sharpens response routines, both for the immediate batch and for policy going forward. Post-run reviews are typical on the workshop floor. These reviews invite everyone—from the shift leader to the junior analyst—to share facts and personal observations. That broad base of perspective keeps the organization agile.

    Distinctions and Advantages over Other Thiadiazoles

    Practical differences set this molecule apart from others in the 1,3,4-thiadiazole family. Compared to compounds without halogen groups, the bromo variant supports functionalization at the fifth position, unlocking reactions unavailable to simpler structures. Chlorine-based analogs present toxicity handling differences and reactivity shifts, influencing downstream project viability. Technicians see it every day—the control of exotherms, the formation of solids, or the way byproduct formation responds to changes in base or acid strength.

    In project partnerships, this direct experience builds confidence. Our feedback has often helped guide client substitutions—switching from more hazardous or less predictable intermediates to 2-Amino-5-Bromo-1,3,4-Thiadiazole for both cost and performance gains. Over time, industry feedback has shown that this molecule offers a good balance of availability, reactivity, and manageable hazards, streamlining both lab and production-scale workflows.

    Supply Chain: Resilient and Transparent

    Production doesn’t stop at synthesis. Upstream logistics affect downstream reliability. Knowing that the best chemical cannot cure a delayed shipment, we emphasize transparency in raw material sourcing and shipment planning. The team builds safety stock based on demand forecasts shaped by regular conversations—not just historical spreadsheets. We maintain open lines with supply partners to catch bottlenecks before they appear, which keeps projects on track.

    Each order receives individualized care, with lot traceability and visible QA records. Customers trust knowing where the product came from—a traceable journey from raw bromine to the final crystal. Competing with resellers, we often find ourselves fixing issues left behind from less experienced supply lines: inhomogeneous lots, wrong particle size, or improper labeling all make their way back to the manufacturing floor for correction, not cover-up.

    Facing Down Real Issues and Planning Ahead

    Every cycle through production surfaces new challenges—feedstock volatility, changes in global regulations, shifting market demands. No two runs are ever exactly the same. Bringing together experienced chemists and engineers creates solutions grounded in firsthand process knowledge. Practical adaptations—swapping out aging pumps, designing custom containment, or installing better dust collectors—come from skills built in the field.

    We see the entire project arc, from powder production to project completion at the customer’s site. Handling hazardous reactants, delivering material in weather-proof packaging, or modifying a shipping schedule to meet critical deadlines comes from understanding not just chemistry, but project management and customer needs. Over the past years, we’ve learned that the real advantage is flexibility rooted in reliable production capacity.

    Commitment to End Users and Long-Term Partnerships

    Delivering 2-Amino-5-Bromo-1,3,4-Thiadiazole surpasses ticking boxes on a data sheet. We value each downstream operation, knowing that our reliability means a pharmaceutical client meets project milestones or a specialty formulation team reaches the next round of product testing. The team’s pride in each batch, combined with an openness to daily learning, sets the pace for everything we do.

    Long-term relationships with users of 2-Amino-5-Bromo-1,3,4-Thiadiazole grow through openness, feedback, and proven performance. Change comes swiftly in the specialty chemical industry; those who ignore it fall behind. Everyday technical exchanges with partners bring better material and keep production aligned with both current and future end-use cases. Each small improvement ripples outward, making the next run a little smoother for everyone involved.

    Shaping Chemical Progress with Experience and Practical Skill

    Years in chemical manufacturing reinforce the value of practical skill, clear communication, and steady improvement. 2-Amino-5-Bromo-1,3,4-Thiadiazole delivers more than its molecular formula. It carries the mark of experience, shaped by those who run the lines and those who keep learning from every batch. Value emerges in steady hands and open minds—never just from equipment or paperwork alone.

    Partners in synthesis, formulation, and research find a reliable ally in our team. 2-Amino-5-Bromo-1,3,4-Thiadiazole deserves a place at the center of innovative projects, not because of standard product language, but because of lived, tested, and continually refined expertise. The best results grow out of that foundation—one drum, one conversation, and one lesson at a time.