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5-Amino-3H-1,2,4-Dithiazole-3-Thione

    • Product Name 5-Amino-3H-1,2,4-Dithiazole-3-Thione
    • Alias Aminorat
    • Einecs 259-775-5
    • 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

    908666

    Product Name 5-Amino-3H-1,2,4-Dithiazole-3-Thione
    Molecular Formula C2H2N2S3
    Molecular Weight 150.25 g/mol
    Cas Number 17758-45-7
    Appearance Yellow to orange crystalline solid
    Melting Point 178-181 °C
    Solubility Slightly soluble in water, soluble in organic solvents
    Purity Typically ≥98%
    Boiling Point Decomposes before boiling
    Storage Conditions Store in a cool, dry place, tightly closed
    Iupac Name 5-amino-1,2,4-dithiazole-3-thione
    Smiles Nc1snc(=S)s1

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

    Packing & Storage
    Packing The packaging is a 25-gram amber glass bottle with a tightly sealed cap, labeled "5-Amino-3H-1,2,4-Dithiazole-3-Thione, 25g" and hazard symbols.
    Shipping 5-Amino-3H-1,2,4-Dithiazole-3-Thione is shipped in sealed, chemical-resistant containers under ambient conditions. It must be clearly labeled and accompanied by a safety data sheet (SDS). Handle and transport in accordance with relevant regulations for hazardous chemicals, avoiding exposure to moisture, heat, and incompatible substances during transit.
    Storage 5-Amino-3H-1,2,4-dithiazole-3-thione should be stored in a tightly sealed container, away from moisture, light, and incompatible materials such as strong oxidizing agents. Keep it in a cool, dry, and well-ventilated area, preferably in a designated chemical storage cabinet. Ensure proper labeling and restrict access to trained personnel only. Follow relevant safety and regulatory guidelines during storage.
    Application of 5-Amino-3H-1,2,4-Dithiazole-3-Thione

    Applications of 5-Amino-3H-1,2,4-Dithiazole-3-Thione in Industrial Manufacturing

    5-Amino-3H-1,2,4-dithiazole-3-thione is an organic intermediate favored by fine chemical producers for its thiol and amine functionalities. Its unique structure enables specific downstream uses in specialty chemicals, agrochemical actives, rubber compounding, and electronics materials. As the primary manufacturer, we ensure strict quality controls to support demanding industrial formulation requirements.

    1. Agrochemical Active Ingredient Synthesis

    Producers utilize this raw material as a key intermediate in synthesizing selective fungicides and seed treatment actives. Its dithiazole ring supports heterocycle construction for sulfur-rich biocidal molecules. Downstream reactors introduce this compound under controlled temperature and base conditions, optimizing yield while minimizing byproducts according to regulated process flows.

    Industry compliance standards

    • FAO/WHO Specification for Technical Grade Agrochemicals
    • ISO 9001-based QMS for technical intermediates
    • EU REACH registration for precursor safety
    • BPR (EU Biocidal Products Regulation) traceability

    Typical usage ratio

    • 0.8–1.1 molar equivalents per biocidal synthesis batch, adjusted by target active type and crop registration.

    Downstream process integration

    • Charged in initial reactor stage after primary solvent and metal base addition
    • Subjected to controlled heating (50–80°C) during nucleophilic attack step
    • Optionally chelated downstream to minimize impurity formation
    • Batch filtration and solvent extraction before further derivatization

    Final product types

    • Non-systemic dithiocarbamate fungicides
    • Sulfur-rich seed dressing actives
    • Intermediate blocks for soil biocide synthesis

    2. Vulcanization Accelerator Precursor in Rubber Manufacturing

    Rubber compounders synthesize highly efficient thiuram and sulfenamide accelerators using this dithiazole derivative as a nucleophilic building block. Its amine-thione functionality allows rapid crosslink formation during accelerator preparation. Production lines integrate the material to match target compression set and heat aging resistance in tire and technical rubber applications.

    Industry compliance standards

    • ASTM D3182 (Rubber compounding procedures)
    • ISO 9001:2015 for chemical suppliers
    • China GB/T 21883-2008 for rubber chemicals
    • Automotive OEM specification for low-toxicity accelerators

    Typical usage ratio

    • 5–12% by mass in standard accelerator pre-mix (weight basis), based on vulcanization speed and compound formulation.

    Downstream process integration

    • Direct addition to blending vessel before main vulcanization accelerator formulation
    • Mixed at 60–90°C with other sulfur donors and activators
    • Controlled neutralization to ensure homogeneous reaction
    • Subsequent purification and drying for stable storage

    Final product types

    • Primary accelerator masterbatches (tires, belts)
    • High-performance industrial rubber composites
    • Heat-resistant gaskets and vibration absorbers

    3. Electronic Materials Synthesis for Corrosion Inhibitors

    Manufacturers of specialty electronic fluids and surface treatment chemicals employ this dithiazole compound as a precursor to metal-complex corrosion inhibitors. It introduces strong sulfur coordination, boosting copper surface passivation and wire protection. The controlled integration into aqueous or solvent-based formulations supports high-purity electronics cleaning and etching operations subject to trace impurity restrictions.

    Industry compliance standards

    • JEDEC J-STD-033B.1 (Handling for electronic-grade chemicals)
    • IEC 62474 RoHS compliance for surface treatment chemicals
    • ISO 14001:2015 for environmental process control
    • IPC-5704 for electronic assembly cleaning agents

    Typical usage ratio

    • 0.2–0.7% by volume in cleaning or passivation fluid, calibrated for circuit density and device architecture.

    Downstream process integration

    • Dissolved into master batch prior to complexation with transition metal salts
    • Blended at ambient or mild-warmed conditions under agitation
    • Tested for particle content and ionic contamination before bulk packaging
    • Distributed as high-purity additive for controlled dosing at PCB assembly plants

    Final product types

    • Printed circuit board (PCB) passivation agents
    • Electronic-grade anti-tarnish coatings for copper contacts
    • Microelectronic wet process solutions

    4. Pharmaceutical Intermediate for Heterocyclic APIs

    Pharmaceutical fine chemical plants deploy this thione-bearing intermediate in custom routes towards dithiolated, nitrogen-containing heterocycle APIs under cGMP controls. The compound enables efficient ring formation at low temperature, with minimal side product generation during stepwise synthesis. Downstream process engineers carefully monitor input quality and impurity profiles to meet pharmacopeial monographs for subsequent API registration.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice for API Intermediates
    • USP/NF monographs for raw material quality
    • EU GMP for pharmaceutical production lines
    • DMF filing and traceability support for regulated APIs

    Typical usage ratio

    • 1.0 molar equivalent per API intermediate synthesis, adjusted by scale and route inventory.

    Downstream process integration

    • Utilized in step 2–5 of multi-step synthesis schemes for heterocycle API core
    • Charged under inert atmosphere to reduce oxidative degradation
    • Monitored by HPLC or GC for conversion and purity control
    • Wet cake or solid intermediate isolated and transferred to next synthetic operation

    Final product types

    • Dithiolazoline API core intermediates
    • Antimicrobial heterocyclic drug candidates
    • Reference standards for dithiolated, amine-substituted APIs
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    Certification & Compliance
    More Introduction

    Introducing 5-Amino-3H-1,2,4-Dithiazole-3-Thione: Proven Utility in Industrial Applications

    Drawing from Experience in Chemical Manufacturing

    Many in the chemical industry search for solutions that balance stability and reactivity. Through years of producing specialized intermediates, we have seen real-world demands shift toward compounds capable of unique transformations and specific properties. 5-Amino-3H-1,2,4-Dithiazole-3-Thione answers these demands with a reliable blend of functional groups and sulfur-nitrogen moieties. As a manufacturer, focus always lands on purity, batch consistency, and process reliability rather than push-button commodity output. Each detail in the production route shapes the product’s downstream behavior.

    What Makes 5-Amino-3H-1,2,4-Dithiazole-3-Thione Distinct

    High-value intermediates must do more than just fill a spec sheet. Our experience tells us that supply partners need fine control over reactivity, and this molecule stands out because of the dual presence of sulfurs in a heterocyclic ring and an amino group positioned to enable further derivatization. Compared with similar dithiazole compounds, the thione group here brings a different spectrum of reactivity in thiol-displacing, sulfur transfer, and various cyclization reactions. Not every dithiazole variant achieves this flexibility.

    Process Insights from the Manufacturing Floor

    Our synthesis process draws heavily on careful staging of raw material introduction and reaction monitoring. The thione functionality demands controlled conditions to prevent over-oxidation, and handling the amino group necessitates moisture and pH vigilance. Each batch undergoes analytical verification by advanced chromatographic, spectroscopic, and elemental analysis—the results influence adjustments to ensure repeatability. By responding to live data, not just recipes, faults get caught before they impact quality. This hands-on manufacturing approach reduces unexpected lot-to-lot deviations seen from less rigorous processes.

    Understanding the Role of This Compound in Practical Application

    In the chemical industry, every molecule earns its stripes by the results it delivers in actual use. 5-Amino-3H-1,2,4-Dithiazole-3-Thione brings a combination of electronic properties and structural features that support several roles. In agriculture and crop-protection research, it shows compatibility with a wide range of active ingredients when designers seek sulfur-rich scaffolds. Pharmaceutical labs explore dithiazole systems for enzyme targeting, selective binding, and redox tuning. The thione group proves highly adaptable in ligand frameworks, while the free amino functionality offers further coupling opportunities.

    We have followed multiple projects from scale-up lab work to pilot plant, watching as this compound fits synthetic steps many other building blocks struggle with. Some needs cannot be met with off-the-shelf thioamides because their structures lack the extra sulfur or the same tautomeric options. 5-Amino-3H-1,2,4-Dithiazole-3-Thione provides a reliable core for attaching custom chemical handles. Its reactivity can enable shorter, more direct synthesis pathways or greater selectivity during functional group transformations.

    Key Physical and Chemical Features Shaped by Real Manufacturing Experience

    Our batches routinely show a high degree of crystallinity and distinct spectral markers, with melting points reflecting minimal contamination or racemization. When stored under dry, cool conditions away from oxidizers, chemical stability remains robust over extended periods. Customers report consistent results under both batch and flow conditions. The marginal volatility and moderate solubility in polar organics simplify handling and blending, especially compared to less user-friendly sulfur heterocycles.

    From handling, packaging, and logistics, on through to custom blending with user-supplied matrices, direct experience with the physical attributes of this product saves headaches down the line. The powder remains free-flowing; caking, discoloration, or unwanted byproduct formation rarely compromise utility when best-practice storage is followed. Each lot undergoes strict verification both in-house and through third-party validation.

    Application Examples: Leveraging the Chemical Structure

    Customers pursuing thione-based synthons in diverse segments benefit from features unique to this molecule. Through collaborations with R&D partners, we have traced its path in medicinal chemistry, where the thione acts as a masked thiol capable of smooth conversion or metal coordination, and the dithiazole ring opens new possibilities for molecular recognition. Agricultural clients incorporate it into heterocyclic frameworks not easily accessible through more common S,N compounds. The amino group enables rapid formation of derivatives, such as amides or imines, without the need for excessive protection-deprotection cycles.

    Industrial feedback highlights robust compatibility in multistep reaction schemes, especially in sulfur exchange and replacement chemistry. Some users have pivoted to this product after running into safety, volatility, or byproduct challenges with alternative thione predecessors. The specificity of the dithiazole system prevents side-reactions seen with simpler thioxamides or less constrained ring structures.

    Quality Control and Analytical Assurance

    Each production campaign starts with authenticated raw material lots, and all vessels receive dedicated cleaning to eliminate cross-contamination risk. Sampling during synthesis checks for off-target product formation at each stage, using time-tested but continually refined techniques like HPLC, FTIR, and mass spectrometry. Final lots receive detailed certificates based on actual results, not stock statements. This data-centric approach pays off in the trust labs place in our product. Projects in electronics, coatings, and specialty reagent development have all benefited from the lot-to-lot transparency we offer.

    Process documentation closes gaps before they open; root-cause traceability and rigorous deviation reporting stem from long-standing protocols. Employees receive hands-on training not just in procedural execution but in the underlying chemistry principles, allowing real-time troubleshooting should the unexpected arise mid-batch. Customer feedback loops allow us to fine-tune the process and respond to specialist needs. Reliability in production fosters research progress downstream, with no need for repeated requalification.

    Why Choose This Dithiazole-Thione over Alternatives?

    Many routines across fine chemical synthesis rely on multi-functionalized building blocks. The extra sulfur atom in 5-Amino-3H-1,2,4-Dithiazole-3-Thione compared to mono-thioxamides opens a broader field of chemical reactivity, especially in metal-binding or sulfur insertion chemistries. Not every dithiazole or thione can be handled with the same ease; some introduce instability, foul odors, or challenging waste streams. Our product features an optimized blend of bench stability and functional group versatility.

    Attempts to substitute simpler dithiazole structures with this compound often reveal key differences in reaction outcome, product isolation, and downstream modifications. Custom catalyst makers and specialty pharmaceutical researchers have shared real-case results: reactions that stalled with structurally similar molecules proceeded smoothly when built on this scaffold. The amino substituent supports bridging between polar and non-polar synthesis steps, sidestepping protection bottlenecks and delivering more robust overall yields.

    Environmental and Safety Considerations Informed by Practice

    Chemical manufacturing brings a duty beyond the immediate bottom line. Long experience handling sulfur-nitrogen heterocycles underscores the importance of proper airborne containment, scrupulous wastewater management, and comprehensive employee training. While 5-Amino-3H-1,2,4-Dithiazole-3-Thione avoids some of the volatility hazards of small thiols or isothiazoles, it still requires proper ventilation and personal protective equipment during handling and transfer.

    Waste minimization starts at the source. Process engineering focuses on maximizing conversion to target product while reducing solvent and reagent consumption. Spilled or off-spec material enters approved treatment streams where sulfur and nitrogen loading can be managed without environmental surprises. Regular audits and compliance reviews shape not only logistics planning but daily process routines. Technology upgrades target both sustainability and output efficiency. In recent plant upgrades, investments in local exhaust and scrubbing systems further cut down fugitive emissions; results get logged and reported to local authorities as part of ongoing responsible manufacturer conduct.

    Troubleshooting and Technical Support Based on Real-World Scenarios

    Challenges emerge at every step of the chemical supply chain, but an open feedback culture between plant teams and customer labs resolves most issues before escalation. Our technical team spends time in both plant and customer settings, gathering practical insight on how the product’s properties play out in diverse workflows. Detailed guidance on solvent compatibility, storage conditions, or batch blending gets shared on an as-needed basis, supported by actual process data, not just reference literature.

    Repeat users continue to return thanks to this commitment. Unexpected clumping, color shifts, or solubility anomalies receive prompt investigation—samples get pulled, rerun, and if necessary, the entire lot recycled or replaced. Where special purity requirements or controlled particle sizing are requested, we use in-house or trusted partner facilities to meet these adjusted specs. The dialogue with customers extends beyond the sale: shared insight improves future output and informs updates to internal best practices.

    Continuous Process Optimization: What Years of Iteration Teach

    Chemical plants improve batch by batch, adaptation by adaptation. The route to 5-Amino-3H-1,2,4-Dithiazole-3-Thione has not stood still. Early experiments revealed bottlenecks in oxidation control or product isolation efficiency. Once, minor tweaks in reactant addition order improved selectivity and cut batch times. Later, real-time spectral feedback let us detect when crystallization began so as not to overcool or over-stir. Feedback from customer process chemists has fine-tuned drying and packaging routines, further reducing residual moisture and dusting on transfer.

    Small, steady increments have built a foundation where output today shows both efficiency and reliability. Plant metrics report upticks in yield, cycle time, and throughput, aided by digitized batch tracking and review of key variables. The plant team maintains a focus on both output volume and reproducibility—knowing that customers count on lot-to-lot sameness at scale, not just on paper.

    Supporting Research and Innovation Across Sectors

    The value of 5-Amino-3H-1,2,4-Dithiazole-3-Thione reaches far beyond a single industry. Over the years, university teams, research institutes, and multinational innovators have sourced material for advanced molecular design, new ligand development, and pilot-scale agrochemical syntheses. We have witnessed the compound serve as a launching pad for chiral derivatizations, fragment-based lead discovery, and new classes of macromolecular binders. Each application confirms the importance of chemical structure tailored not from theoretical need but from actual problem-solving work.

    In some cases, uptake comes after alternative routes prove less efficient or more hazardous. Collaborative development cycles leverage the reactivity and specificity unique to the thione-dithiazole pairing, sparing troubleshooting time and avoiding dead-end synthesis routes. Where research pushes into new territory, the need for a proven, consistent, and well-characterized source of building blocks cannot be overstated. Years of supply history and project partnerships reinforce the reliability and fit-for-purpose nature of our product.

    Supply-Chain Security and Batch Customization

    Complex regulatory and procurement landscapes make reliability of supply just as important as price or minimum order size. Our production facility operates with enough surge capacity to account for demand swings, and inventory systems flag potential stock-outs well before delivery is at risk. Batch records, shelf-life data, and shipping documentation accompany all shipments, and support always stands behind each transaction—ready to answer questions or provide downstream technical guidance.

    Some clients need product in customized packaging, particle size, or purity. Drawing from a flexible manufacturing workflow, we offer small or large lots, along with tailored front-end or post-reactor adjustments. Orders can be coordinated so both major and minor users receive equal assurance of product quality and consistency. Over the past years, this agility has proven key for both established buyers and innovators piloting new processes using 5-Amino-3H-1,2,4-Dithiazole-3-Thione in specialty workflows.

    Practical Lessons for Future Users

    Each product carries lessons drawn from hard-won operating experience, customer feedback, and iterative improvement. For 5-Amino-3H-1,2,4-Dithiazole-3-Thione, key takeaways emphasize the importance of conscientious handling, testing, and documentation throughout the chain of custody. Fresh material consistently performs best in critical applications, so planning for shelf-life and appropriate storage pays dividends.

    Pioneering users have published on its applications ranging from sulfur scavenging to advanced heterocycle building, confirming what plant-based manufacture and R&D collaborations have shown in practice. The compound supports further exploration for those pushing the limits of synthetic chemistry. With feedback and shared expertise, future projects can build on a base of reliability and proven chemistry, confident that each batch meets the standards critical to research and production success.