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2-Amino-5-(Methylthio)-1,3,4-Thiadiazole

    • Product Name 2-Amino-5-(Methylthio)-1,3,4-Thiadiazole
    • Alias 5-Methylthio-2-aminothiadiazole
    • Einecs 244-562-7
    • 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

    232163

    Chemical Name 2-Amino-5-(Methylthio)-1,3,4-Thiadiazole
    Cas Number 7306-93-4
    Molecular Formula C3H5N3S2
    Molecular Weight 147.22
    Appearance White to off-white crystalline powder
    Melting Point 150-154°C
    Solubility In Water Slightly soluble
    Purity Typically ≥ 98%
    Smiles CSC1=NN=C(N)S1
    Inchi InChI=1S/C3H5N3S2/c1-8-2-5-6-3(4)7-2/h1H3,(H2,4,6)
    Shelf Life Stable under recommended storage conditions
    Storage Conditions Store in a cool, dry place, tightly closed

    As an accredited 2-Amino-5-(Methylthio)-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 chemical is packaged in a sealed, amber glass bottle containing 25 grams, labeled with safety information and hazard warnings.
    Shipping 2-Amino-5-(Methylthio)-1,3,4-Thiadiazole is shipped in tightly sealed, chemical-resistant containers to prevent moisture and contamination. Packaging complies with relevant chemical safety regulations. Transport is via ground or air in accordance with international and local guidelines. The material should be handled by trained personnel using appropriate protective equipment.
    Storage 2-Amino-5-(Methylthio)-1,3,4-Thiadiazole should be stored in a tightly closed container, in a cool, dry, and well-ventilated area away from direct sunlight and incompatible substances like strong oxidizing agents. Protect from moisture and heat. Suitable storage conditions help maintain chemical stability and prevent decomposition or hazardous reactions. Recommended storage temperature is typically room temperature, unless otherwise specified by the manufacturer.
    Application of 2-Amino-5-(Methylthio)-1,3,4-Thiadiazole

    Applications of 2-Amino-5-(Methylthio)-1,3,4-Thiadiazole in Industrial Manufacturing

    As a manufacturer of 2-Amino-5-(Methylthio)-1,3,4-thiadiazole, we supply bulk volumes for key downstream sectors where specific chemical and regulatory requirements drive demand. The following sections address concrete industrial uses, process details, and final goods relying on this intermediate.

    1. Agrochemical Synthesis (Herbicide and Fungicide Intermediates)

    Downstream agrochemical companies incorporate this thiadiazole derivative in multi-step syntheses for designing selective herbicides and fungicides. It acts as a core scaffold in advanced intermediates for crop protection formulations. Buyers request reliable batch consistency for synthesis steps sensitive to heterocyclic substitution patterns. The compound's methylthio group promotes activity in sulfur-bridged agrochemicals and maintains stability under upscaling conditions.

    Industry compliance standards

    • ISO 9001 Quality Management
    • FAO/WHO Technical Guidelines for Pesticide Specifications
    • European Directive 91/414/EEC on Plant Protection Products
    • US EPA Active Ingredient Registration Requirements

    Typical usage ratio

    • 2%–10% by mass in the final synthetic step; actual ratio adjusted per product target molecule and impurity threshold

    Downstream process integration

    • Inputs at penultimate stage of heterocycle construction or directly before functional group elaboration
    • Often handled in sealed reaction systems, with post-reaction extraction preceding formulation blending

    Final product types

    • Crop fungicide technical concentrates
    • Herbicide pre-mixture actives
    • Selectivity enhancer intermediates in niche bioprotectants for grains and vegetables

    2. Pharmaceutical Intermediate (API and Drug Synthesis)

    Research and production facilities synthesize certain APIs via key intermediates built upon the 1,3,4-thiadiazole core. The amino and methylthio substituents facilitate formation of pharmacophores targeting neurological and anti-infective therapy. Manufacturers require high purity and traceability to support regulatory filings. Process teams monitor conversion rates in batch or continuous reactors using validated analytical protocols to ensure tight impurity profiles.

    Industry compliance standards

    • ICH Q7 GMP for Active Pharmaceutical Ingredients
    • USP-NF Monograph references for incorporated intermediates
    • EDQM CEP Guidance (for supply into the EU Rx sector)
    • FDA 21 CFR Part 211 for finished drug product quality

    Typical usage ratio

    • Ranges 0.5%–5% by weight, based on API synthetic scheme; yield and scale optimization determined by downstream route

    Downstream process integration

    • Charged in early to mid-stage synthetic transformations forming the heterocyclic core
    • Introduced before key amide, thioether, or aromatic functionalizations

    Final product types

    • Neuroactive API intermediates (e.g., anticonvulsant precursors)
    • Bacterial infection treatment intermediates
    • Custom synthesis projects for orphan drug candidates

    3. Dyes and Pigment Synthesis (Textile and Ink Applications)

    Industrial dye manufacturers leverage this compound’s sulfur and nitrogen functionalities to construct thiadiazole-based chromophores. The molecule participates as a coupling agent or core-building block, introducing color stability and fastness during textile or ink processing. Formulators rigorously control reaction parameters for consistent yield and reproducibility on high-throughput reactors.

    Industry compliance standards

    • REACH Registration for chemical substances in colorants
    • ZDHC Chemical Manufacturing Restricted Substances List for textiles
    • ETAD (Ecological and Toxicological Association of Dyes and Organic Pigments Manufacturers) guidelines
    • ISO 105 and ISO 11641 for color fastness properties

    Typical usage ratio

    • 1%–7% as a functionalized core or as a coupling agent, depending on color intensity specification and substrate interaction

    Downstream process integration

    • Added during heterocycle-coupling or azo-linkage formation stages
    • Adopted in closed-loop reactors with in-process analytical verification before pigment milling

    Final product types

    • Sulfur-rich azo dyes for cotton and wool
    • Specialty pigment dispersions for inkjet and offset printing
    • UV-stable colorants for automotive and industrial coatings

    4. Corrosion Inhibitor Formulation (Industrial Water Treatment)

    Water treatment chemical formulators integrate this thiadiazole as a key inhibitor where metal surface protection is critical. The compound’s ability to form adsorption layers on ferrous and copper alloys makes it instrumental in protecting recirculating systems under variable pH and temperature. Quality control focuses on inhibitor batch reactivity, dispersibility, and absence of secondary amine byproducts to meet end-user system specifications.

    Industry compliance standards

    • ASTM D4785 for corrosion inhibitor composition
    • ISO 9001 certified water treatment plants
    • EU REACH Annex XVII on chemical safety for water additives
    • China GB/T 21800 for corrosion inhibitor industrial application

    Typical usage ratio

    • 0.1%–2.5% in final industrial formulations; proportion set by water composition, metal type, and protection duration required

    Downstream process integration

    • Dosed directly into blending vessels before final product dilution
    • Pre-mixed with synergist compounds for multimetal system performance

    Final product types

    • Industrial closed-system corrosion inhibitor packages
    • Heat exchange fluid additives
    • Protective concentrates for oil and gas pipeline cleaning

    5. Photographic Chemical Manufacturing (Photographic Process Chemicals)

    Producers of specialty chemicals for the photographic industry use this thiadiazole derivative as a functional intermediate in image stabilizers and developer boosters. Its inclusion modulates redox properties, stabilizing image layers against aging and oxidation. Formulation teams precisely manage dissolution kinetics and compatibility with silver halide and color coupler solutions for sustained processing reliability.

    Industry compliance standards

    • ANSI/NAPM IT9.2 for image preservation requirements
    • ISO 18911 for photographic process chemical stability
    • Compliance with local environmental and effluent discharge standards
    • Manufacturer-specific materials and purity specifications

    Typical usage ratio

    • Typically 0.05%–0.5% in final solution compositions; dose refined per emulsion type and process speed

    Downstream process integration

    • Introduced during concentrated chemistry blending prior to dilution and final packaging
    • Dosed in sequential stages, especially for color developer and image stabilization product lines

    Final product types

    • Photographic developer concentrates
    • Image stabilizer solutions
    • Archival-grade processing kits for film and photo papers
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    Certification & Compliance
    More Introduction

    2-Amino-5-(Methylthio)-1,3,4-Thiadiazole: Insights from the Factory Floor

    Understanding 2-Amino-5-(Methylthio)-1,3,4-Thiadiazole

    Real innovation in chemical manufacturing often begins with raw materials and everyday improvements in synthesis, not with buzzwords. In our line of work, 2-Amino-5-(Methylthio)-1,3,4-Thiadiazole stands out for practical reasons. We don’t just make it because it’s popular in some datasheet — our team has poured years into refining its production and ensuring every batch leaves our reactors with dependable quality.

    This compound looks modest on paper, but the precise way sulfur, nitrogen, and methylthio groups are stitched into its thiadiazole ring gives it a unique profile, especially for specialty intermediates. Chemists on the ground know what this means: a reliable foundation for synthesizing more complex pharmaceuticals, agrochemical ingredients, and specialty materials. We're often asked about the differences between this compound and other aminothiadiazoles. The answer comes from practical experience with reaction yields and downstream transformations — the methylthio substitution impacts reactivity, solubility, and, for certain applications, bioactivity in ways that other groups simply don’t.

    Real Specifications and Consistency

    Many assume specifications are a matter of ticking boxes. Our technical team thinks differently because we’re upstream of the value chain. The white or off-white crystalline solid we produce isn’t just the result of a recipe — it’s the outcome of careful control over raw material purity and reactor conditions. Most orders call for purity above 98%, confirmed by HPLC, and moisture consistently below 0.5%. We run all standard analytical checks, including NMR and IR spectra, and report trace residual solvents. These details matter for reproducibility in further synthesis, and we find researchers and process engineers notice the difference in their own labs.

    We ship standard packaging from 1kg up to full pallet quantities, sealing batches in airtight, light-resistant containers. Years of feedback have taught us how important protection against moisture and light is for this molecule. Handling at the plant follows protocols proven to prevent caking and degradation, based on our own shelf stability studies across varying storage conditions.

    Why Our Manufacturing Approach Matters

    Chemical manufacturing is full of companies making similar products. Yet not all 2-Amino-5-(Methylthio)-1,3,4-Thiadiazole is created equal. Our process engineers have streamlined the synthetic route for scalable output, using high-quality methylthiourea and precise oxidants, without excess byproducts. Waste minimization isn’t just a regulatory box to check for us — every batch is optimized to minimize impurities, which often slip through in lower-grade routes.

    In our experience, reaction selectivity makes or breaks the utility of the product for downstream users. Whether in a pharma pilot plant or a discovery lab bench, inconsistent impurity profiles lead to headaches. We’ve addressed this with an extra recrystallization step and modern process controls that flag off-spec intermediate fractions before they ever reach the final isolation vessel. Time and again, chemists tell us this saves hours chasing ghosts in chromatography or dealing with unpredictable side reactions.

    Practical Uses and Value in Practice

    End uses of 2-Amino-5-(Methylthio)-1,3,4-Thiadiazole often revolve around its role as a building block, not as a finished product. As an intermediate for active pharmaceutical ingredients and agricultural compounds, it offers a high degree of flexibility. Medicinal chemists value the combination of nitrogen and sulfur for its compatibility with further functionalization. A methylthio group tweaks electron density and can act as a handle for subsequent substitution. That means more options at the drawing board when designing new compounds, whether the target is a crop protection agent or a heterocyclic scaffold for a new clinical candidate.

    We’ve seen first-hand how differences in manufacturing quality translate to process reliability in scale-up. Sometimes customers share their own application challenges: an off-flavor in a fungicide or a sticking point in a multi-step drug synthesis. In many cases, improving precursor quality has helped them clear process bottlenecks. This didn’t come from a marketing promise, but from lab reports, yield improvements, and real-world results.

    Comparing to Other Products

    A lot of buyers lump all aminothiadiazoles together. That may be fine for a catalog order, but it’s not how research chemists work. 2-Amino-5-(Methylthio)-1,3,4-Thiadiazole sits apart due to the electron-rich methylthio group, which impacts both chemical reactivity and more subtle handling properties. We’ve run side-by-side trials comparing this product to its alkoxy- or alkyl-substituted cousins. Methylthio often offers a different profile in nucleophilic substitution reactions, letting chemists change reaction conditions or even achieve transformations that stall with more inert groups.

    Another real difference lies in crystallinity and bulk density. Careful control in our own production system gives consistent solid forms, which makes feeding in automated systems more predictable. Complaints about bridging or powder flow don’t come from theory; they come from actual processing lines. Regular customers have told us that we reduced downtime by switching them to our material, thanks to tighter bulk density control in our final packaging line.

    Safety and Handling: What’s Behind the Standard Advice

    Plenty of safety sheets repeat the basics: gloves, goggles, dust control. We know these aren’t just for form’s sake. From the factory floor to the QC lab, the need for real chemical hygiene is clear when handling thiadiazoles. Dust isn’t just a problem for workers — even small exposure to humidity or UV can slowly degrade the compound, so we’ve trained all staff on batch protection.

    We also collect data on long-term storage by batch, tracking color, off-odors, and assay results over six-month windows. This isn’t a paperwork exercise — our commercial partners count on fresh product for their own compliance. By controlling small details, like the sizing of desiccant packs and pallet rotation schedules, we’re able to offer practical shelf lives backed by testing, not by extrapolation.

    From Lab Curiosity to Large-Scale Production

    Not so long ago, 2-Amino-5-(Methylthio)-1,3,4-Thiadiazole was more lab oddity than staple. Small-scale syntheses produced a few grams at a time, often for method development or academic screening. Scaling up brought real challenges. Exothermic reaction steps demand robust temperature control, or else the risk of runaway rises, especially in the oxidation phase. Early on, our engineers saw that careful jacket temperature monitoring and controlled reagent addition kept things both safe and efficient. Now, we apply lessons from those early process runs to keep yields high in every batch.

    Controlling side reactions takes more than just tightening procedures. Every plant visit leads to small innovations: a change in mixer speed, a tweak in solvent volume, or even a new filter type at the isolation step. These add up. Our team keeps records not for compliance, but to catch trends that signal a need for intervention before product ever reaches a customer.

    Supply Chain Challenges and Factory Responses

    Supply chain issues have become a fact of life across the chemical industry. Sourcing high-quality methylthiourea isn’t a matter of picking the lowest price — we carry out verification and compatibility testing for every new supplier. Fluctuations in feedstock availability can hit both lead times and operating costs. Being both producer and innovator, we’re in a position to anticipate bottlenecks further up the line. By working with trusted partners on scheduled orders and qualifying alternate sources before emergencies strike, we keep our promise to deliver to industrial and research users on time.

    Another reality many overlook: energy costs and environmental regulations have a direct impact on batch scheduling and output. We invested in solvent recovery and process water minimization years ago, not for a certificate, but because those moves stabilized our unit costs and let us ride out market shocks. In practice, this gives our customers confidence that we’ll still be shipping when others are out of stock or hiking prices.

    Building Trust Through Traceability

    Not every customer asks for batch records or wants to see operator logs, but end users in regulated spaces, especially pharmaceuticals, need full traceability. Every lot leaving our warehouse can be traced back to raw material lots, reaction logs, and environmental measurements — not just paperwork, but instrument printouts and digital logs.

    This discipline comes from hard experience. Years ago, a customer came to us, stumped by inconsistent performance in their final product. They traced it back not to a glaring impurity, but to a subtle variation in particle size from different suppliers. From that point on, we stepped up both in-line monitoring and post-production particle size analysis, delivering not just purity but predictable behavior in every application.

    Reducing Environmental Impact Where It Counts

    Sustainability talk has become routine, but as practitioners, every solvent and byproduct is a cost to control. We implemented closed reactors and upgraded exhaust scrubbing out of necessity, not for marketing. In waste management, we profile side streams to target reuse where possible — even tinier yield improvements matter when a plant runs hundreds of batches a year.

    By paying attention to water and chemical recovery, our team slashes both emissions and costs. A yearly review of our biggest inputs and outputs brings new ideas for process tweaks and material savings, which makes a real bottom-line difference. Not every measure gets publicized, but each one is rooted in our actual plant operations, not in greenwashing.

    Customer Feedback Guiding Factory Improvements

    Real-world experience doesn’t show up in technical data sheets. It comes in the form of repeated questions, minor complaints, and the rare but valuable compliment about a problem solved. Over the years, we built in feedback loops, inviting users to share results, challenges, and odd observations about our 2-Amino-5-(Methylthio)-1,3,4-Thiadiazole. This led directly to procedural change: a customer struggled with cake formation on opening new drums, so we trialed several anti-caking measures in production. The improvement reduced both returns and awkward workarounds at their plant.

    We treat each comment and every problem as a signal to revisit our process. As technical users push the molecule into new applications — from medicinal leads to materials experiments — we collect their feedback to inform our own QC. This collaboration means customers get not only an off-the-shelf product but a supply relationship grounded in real performance data.

    Technical Collaboration for Application Success

    Standardized product is only half the story. Some research chemists hit roadblocks due to subtle differences in reactivity or purity that aren’t called out on certificates of analysis. We often work directly with technical teams to identify optimal reaction conditions, solvent systems, or purification techniques using our thiadiazole. In several cases, small tweaks to our manufacturing parameters have allowed a partner to unlock higher yields or new transformations.

    This back-and-forth defines the relationship between manufacturer and innovator. As new fields emerge — including advanced materials and targeted crop protection — we expect even more tailored demands. Our team is already piloting adjusted synthesis routes and exploring alternative feedstocks, not because the market demands it today, but because tomorrow’s breakthroughs start with today's plant experiments.

    Continuous Improvement Driven by Real-World Use

    In chemical manufacturing, every product batch tells a story. The journey for 2-Amino-5-(Methylthio)-1,3,4-Thiadiazole has been shaped by both laboratory precision and industrial challenges. Our product line reflects years of iterative improvement — not just in lab yield or product purity, but in reproducibility where it counts.

    The distinctive properties of this compound, shaped by the methylthio group and our synthesis controls, deliver real value beyond a simple formula. Feedback from process chemists, QC managers, and R&D leads pushes us to refine every detail, from initial screening of starting materials to batch finalization and logistics. Over time, these improvements build a supply reputation defined by more than just test results — it’s proven by fewer processing issues, higher downstream yields, and easier application in both established and emerging fields.

    The Road Ahead

    Our perspective as a chemical producer shapes every batch we make and every customer we serve. Producing 2-Amino-5-(Methylthio)-1,3,4-Thiadiazole demands more than technical know-how. It requires a willingness to listen, adapt, and apply feedback, translating laboratory insights and customer experiences into continuous factory improvement.

    We remain committed to supporting researchers and industrial partners alike, adapting to new demands as science evolves. Each new application is not just a test of our product but an opportunity to extend what reliable manufacturing can achieve. With real experience as our guide, we look forward to seeing what is possible next, both in our plant and in the world of innovation built on compounds like this.