Tengfei Creation Center,55 Jiangjun Avenue, Jiangning District,Nanjing sales7@sinochem-nanjing.com 3389378665@qq.com
Follow us:

4-Methyl-5-(Trifluoromethyl)-1,2,4-Triazolin-3(2H)-Thione

    • Product Name 4-Methyl-5-(Trifluoromethyl)-1,2,4-Triazolin-3(2H)-Thione
    • Alias Metribuzin
    • Einecs 629-383-9
    • Mininmum Order 1 g
    • Factory Site Tengfei Creation Center,55 Jiangjun Avenue, Jiangning District,Nanjing
    • Price Inquiry sales7@sinochem-nanjing.com
    • Manufacturer Sinochem Nanjing Corporation
    • CONTACT NOW
    VTB
    Specifications

    HS Code

    184256

    Cas Number 133075-30-8
    Molecular Formula C4H3F3N4S
    Molecular Weight 196.16
    Appearance White to off-white powder
    Melting Point 171-174°C
    Purity Typically ≥98%
    Solubility In Water Slightly soluble
    Storage Conditions Store in a cool, dry, well-ventilated place
    Smiles CC1=NN(C(=S)N1)C(F)(F)F
    Inchi InChI=1S/C4H3F3N4S/c1-2-8-10(3(12)11-2)4(5,6)7/h1H3,(H,11,12)
    Hazard Statements May cause irritation to skin and eyes
    Synonyms MTT, 4-Methyl-5-(trifluoromethyl)-1,2,4-triazolin-3-thione

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

    Packing & Storage
    Packing White, HDPE screw-cap bottle labeled "4-Methyl-5-(Trifluoromethyl)-1,2,4-Triazolin-3(2H)-Thione, 25 grams, for laboratory use only."
    Shipping This chemical, 4-Methyl-5-(Trifluoromethyl)-1,2,4-Triazolin-3(2H)-Thione, should be shipped in secure, airtight, chemical-resistant containers. It must comply with relevant hazardous material transport regulations, including labeling and documentation. Shipping should occur at ambient temperature, protected from moisture and direct sunlight, and handled only by trained personnel using appropriate safety measures.
    Storage **4-Methyl-5-(Trifluoromethyl)-1,2,4-Triazolin-3(2H)-Thione** should be stored in a tightly sealed container, away from light, moisture, and sources of ignition. Store it in a cool, dry, well-ventilated area, separated from incompatible materials such as strong oxidizers. Properly label the container and restrict access to trained personnel. Use appropriate personal protective equipment when handling.
    Application of 4-Methyl-5-(Trifluoromethyl)-1,2,4-Triazolin-3(2H)-Thione

    Applications of 4-Methyl-5-(Trifluoromethyl)-1,2,4-Triazolin-3(2H)-Thione in Industrial Manufacturing

    We specialize in supplying high-purity 4-Methyl-5-(Trifluoromethyl)-1,2,4-Triazolin-3(2H)-Thione for several key industries. Below we detail actual downstream sectors, with specific emphasis on compliance standards, practical formulation ratios, precise process staging, and the range of finished goods produced by end-users.

    1. Herbicide Active Compound Synthesis

    This material serves as a critical intermediate for manufacturing selective post-emergence herbicides in the agrochemical sector. Major formulation plants use this compound as a building block to synthesize triazolinone herbicides designed for broadleaf and grass weed control in cereals and rice fields. Production incorporates strict residue analysis and environmental monitoring. QC and technical teams qualify each batch for isomeric purity before integrating in the synthesis route.

    Industry compliance standards

    • FAO/WHO Specifications for Plant Protection Products
    • US EPA 40 CFR Part 180 – Pesticide Residue Tolerances
    • GB 2763 (China MRLs for Pesticides)
    • ISO 9001 Quality Management Systems

    Typical usage ratio

    • 10–18% by mass of total technical active substance synthesis batch. Adjustment depends on targeted derivative production (herbicide family) and desired selectivity profile.

    Downstream process integration

    • Charged in the initial condensation step with methylating agents under controlled temperature (0–5°C)
    • Subsequent purification via solvent extraction and chromatography
    • Monitored by HPLC and GC-MS for triazolinone purity
    • Integrated into bulk herbicide concentrate prior to formulation into granules or SCs (suspension concentrates)

    Final product types

    • Selective broadleaf herbicides for wheat fields
    • Post-emergence weed control formulations for rice
    • Tank-mix compatible herbicide active concentrates
    • Custom SC herbicides for export markets with region-specific spectrum

    2. Active Pharmaceutical Ingredient (API) Intermediate

    Downstream pharmaceutical sites utilize this compound as a synthetic precursor in several triazole-based APIs, particularly antifungal and cytostatic agents. Synthesis steps follow ICH and pharmacopeial guidelines, with rigorous solvent and impurity controls. End-users implement validated cleaning procedures to prevent cross-contamination in their GMP manufacturing suites.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice for APIs
    • United States Pharmacopeia (USP) general chapter <825>
    • European Pharmacopoeia Monographs
    • Current Good Manufacturing Practice (cGMP; 21 CFR Parts 210, 211)

    Typical usage ratio

    • 5–12 mol% relative to total starting materials per reaction batch, adjusted based on medicinal chemistry optimization and reaction efficiency.

    Downstream process integration

    • Dissolved and reacted in anhydrous solvent system under nitrogen blanketing
    • Introduced in the nucleophilic ring closure step
    • HPLC-UV monitoring for purity and yield
    • Pooled crude intermediate transferred for downstream transformations and purification steps

    Final product types

    • Triazole antifungal API intermediates
    • Auxiliary intermediates for cytostatic drug molecules
    • Key intermediates for research-scale drug synthesis
    • Reference standards for pharmaceutical R&D and QC labs

    3. Specialty Polymer Additive

    Chemical processors blend this compound into high-performance specialty polymers for advanced engineering plastics. Its molecular structure introduces chemical resistance and modifies surface energy in tailored fluorinated polymers, designed for automotive and electronic assemblies. Internal lab tests determine functionalization degree by analyzing melt-flow and UV stability profiles during compounding.

    Industry compliance standards

    • REACH Registration, Evaluation, Authorisation and Restriction of Chemicals
    • RoHS Directive (2011/65/EU) – Restriction of Hazardous Substances
    • UL 94 – Flammability of Plastic Materials
    • ISO/TS 16949 Automotive Quality Management

    Typical usage ratio

    • 0.4–1.0% by resin mass in compounding mixes, fine-tuned for specific polymer grade and targeted application performance.

    Downstream process integration

    • Masterbatch blending at 160–200°C in twin-screw extruders
    • Compatibility testing in pilot-scale compounding runs
    • In-line FTIR for additive presence and distribution
    • Thermal post-curing stage for network formation in engineered resins

    Final product types

    • Fluoropolymer-based automotive sensor housings
    • Durable encapsulation films for electronic PCBs
    • Anti-corrosion component housings for process equipment
    • UV-resistant cable insulation for outdoor applications

    4. Agrochemical Analytical Reference Standard

    The specialized purity and distinct molecular profile make this compound suited for use as an analytical standard in agrochemical residue and environmental trace testing laboratories. Certified laboratories use this compound to establish calibration curves and perform confirmatory analysis under multi-residue methods approved by regulatory bodies. Strict storage and chain-of-custody recordkeeping is required due to sensitivity to degradation and potential environmental persistence.

    Industry compliance standards

    • OECD Test Guidelines for Pesticide Residues
    • ISO/IEC 17025 Laboratory Accreditation
    • USEPA SW-846 Methods
    • SANCO/825/00 Guidance for Residues Analytical Methods

    Typical usage ratio

    • Calibration level: 0.1–10 mg/L in solvent standard solutions, set per required method sensitivity.

    Downstream process integration

    • Weighted by analytical technicians in Class 10000 cleanroom spaces
    • Diluted and aliquoted for instrument calibration (LC-MS/MS, GC-MS)
    • Stability monitored with periodic re-analysis against certified reference
    • Documentation in laboratory information management systems (LIMS)

    Final product types

    • Pesticide residue reference standards for proficiency testing
    • External calibration solutions for environmental labs
    • Method validation kits for agrochemical QC labs
    • Database standards for regulatory submissions

    5. Synthesis of Veterinary Pharmaceutical Intermediates

    The triazolinethione structure supports synthesis routes for select veterinary pharmaceuticals, especially for antimicrobial and antiparasitic preparations targeting companion and food animals. Our batch records ensure traceability with full documentation covering impurity profiles, handled under GMP-aligned containment. The compound enables the creation of high-value molecule intermediates that undergo rigorous biological activity screening by our downstream veterinary clients.

    Industry compliance standards

    • VICH GL3 – GMP for Active Pharmaceutical Ingredients
    • European Pharmacopoeia (Ph. Eur.) Veterinary Chapters
    • FDA 21 CFR Part 226 – CGMP for Veterinary Drugs
    • China Veterinary Drug Administration Regulation

    Typical usage ratio

    • 3–8% mass by total reaction mixture, set according to synthetic step requirements and purification complexity.

    Downstream process integration

    • Used as a key input in the amidation or triazole ring closure phase
    • Batch dissolution in GMP-flexible reaction vessels
    • QC confirmation with NMR and LC-MS prior to downstream API formation
    • Final batch transferred to crystallization or lyophilization as precursor for finished veterinary drug synthesis

    Final product types

    • Intermediate compounds for veterinary antiparasitics
    • API precursors for livestock antimicrobials
    • Triazole markers for veterinary health monitoring reagents
    • Reference intermediates for veterinary field R&D studies
    Free Quote

    Competitive 4-Methyl-5-(Trifluoromethyl)-1,2,4-Triazolin-3(2H)-Thione prices that fit your budget—flexible terms and customized quotes for every order.

    For samples, pricing, or more information, please call us at +8615371019725 or mail to sales7@sinochem-nanjing.com.

    We will respond to you as soon as possible.

    Tel: +8615371019725

    Email: sales7@sinochem-nanjing.com

    Get Free Quote of Sinochem Nanjing Corporation

    Flexible payment, competitive price, premium service - Inquire now!

    Certification & Compliance
    More Introduction

    Introducing 4-Methyl-5-(Trifluoromethyl)-1,2,4-Triazolin-3(2H)-Thione: A Precision Tool for Agrochemical Synthesis

    Practical Value Brings Real Solutions

    From inside our chemical plant, where each product has to justify its place in both inventory and process, 4-Methyl-5-(Trifluoromethyl)-1,2,4-Triazolin-3(2H)-Thione stands out. By directly handling each batch and seeing its use cases in the field, we have witnessed firsthand why this molecule matters to researchers, formulators, and applied chemists. Unlike generic triazoles or triazolinthiones, this compound—often called with a shorthand, MTTT—does not belong to the broad, undifferentiated group of intermediates.

    Every industry veteran can spot the subtle difference between a specialty intermediate and a stock chemical. MTTT tells its own story by the way it slots into reaction chains, not just as a “triazole variant,” but because its methyl and trifluoromethyl groups alter reactivity, polarity, and downstream compatibility. You notice it when you see the yield difference in heterocyclic synthesis, or the cleaner profile it leaves when developing selective pesticides and fungicides. Researchers working with us have confirmed that downstream derivatives of MTTT behave more predictably during scale-up than analogues lacking those trifluoromethyl substitutions.

    Specifications That Match Industry Rigor

    On the factory floor, attention rests on more than just purity and assay percentages; batch-to-batch consistency matters as much as any Certificate of Analysis. In setting our internal specifications, we base our targets on real-world feedback from both R&D and process environments. Material typically leaves our site as a white to off-white crystalline powder, with a minimum purity checked by HPLC or GC, and low water content verified by Karl Fischer titration. Stability during storage matters too, so materials pass a battery of long-term and accelerated aging tests before heading to formulation plants or research labs. Insight from regular audits of our process stream feeds back into the adjustments that refine future lots.

    It’s worth noting that this product, because of the presence of strongly electronegative trifluoromethyl, does not behave like most simple triazolinethiones. Standard production temperatures and solvent choices for related heterocycles tend to cause byproduct clearances or even partial decomposition. Our shift operators and QC chemists have repeatedly faced—and solved—issues with trace-level impurities arising at the coupling or cyclization steps. It is sometimes these obstacles that lead to incremental changes in how we operate: a modified reaction solvent here, a better in-line drying agent there. The result is a material that more consistently meets challenging downstream needs.

    Molecular Structure Drives Unique Uses

    Talking to the application chemists and process engineers who use this molecule, we keep hearing a recurring theme: predictable, selective reactivity sets MTTT apart. Most purchasing decisions in this sector hinge on how each new batch will influence the next synthesis step. The methyl group makes the heterocycle less susceptible to unwanted oxidation, while the trifluoromethyl group alters basicity and reaction site selectivity, making it a preferred intermediate for certain crop protection molecules. A few years back we supported a development team optimizing a herbicide precursor: switching to our material let them cut three purification steps, saving solvents and reducing manufacturing time.

    Academic and industrial partners tell us that not only does this intermediate contribute to higher-yield routes, but it also reduces complications from side-product formation in common condensation or cyclization reactions. Many have noticed that MTTT-based syntheses reduce waste load in process streams, mainly due to the directness with which it participates in key transformations. Graduate students working in pilot-scale labs remind us they can push conditions a little harder—temperature, pressure, solvent polarity—without compromising recovery or purity.

    Where It Fits: Not a Generic Option

    In the marketplace, dozens of triazole and triazolinone products clamour for attention, but, looking at our own customer records and internal testing, few offer the same blend of stability and functional group reactivity. For any producer not invested in specialty agrochemical or pharmaceutical actives, MTTT might look like just another chemical identifier. But after seeing the challenges of scale-up, from shifting heat-transfer requirements in reactors to keeping vapor pressures manageable in isolation steps, most process chemists appreciate the value of a compound that keeps the line moving rather than introducing process headaches.

    Our materials science team has compared MTTT to common thione analogues, both trifluoromethylated and not. Data from process runs make it clear that including a methyl group alongside the trifluoromethyl function changes melting points and boiling points in practical ways—these are changes that affect cost-of-goods calculations and plant utility usage. Instead of bottlenecking production with endless distillation steps, formulators have found they can isolate and purify this material at lower cost, lower solvent usage, and shorter process windows.

    Routine Handling, Real-World Results

    We know from years in manufacturing that technical grade alone is never enough, especially for regulated markets like crop protection. Customers expect and demand traceability, documentation, and analytical transparency for every batch we ship. We have embedded rigorous trace-level impurity tracking, sourced not just from our own filters and materials but also from solvents and reagents down the supply chain. These upstream controls feed forward into our own process monitoring, aiming for zero surprises when it matters most—especially before scale-up or regulatory submission.

    On storage and transport, the solid powder does not need any special conditions beyond standard dry storage in sealed containers, but trace level introduction of moisture during loading drives our own warehouse handling protocols. These details might seem routine, but anyone who’s had a drum arrive with content caked or stuck knows the unspoken cost built into “standard procedures.” Customers often ask about shelf life and stability; performance remains consistent under controlled storage for extended periods, and QC routinely confirms no degradation in active content.

    Comparisons: How MTTT Differs from Other Intermediates

    Here in the manufacturing plant, side-by-side comparisons have become regular practice. Against other triazole or triazolinethione intermediates, the methyl and trifluoromethyl groups on MTTT achieve effects that neither group alone delivers. With regular triazole thiones, production batches might run smoothly at pilot scale but turn finicky at volume. We have watched even minor impurities in non-methylated, non-fluorinated analogues complicate downstream formulations, affecting stability and reproducibility.

    A clear memory comes from a time when a formulation partner ran their pilot batch using generic triazolinethione instead of MTTT due to raw material delays. They reported lower active recovery and inconsistent color quality, both corrected as they reverted to our material. It showed, under practical conditions, how this molecule’s distinct electronic properties play out in ways that aren’t always apparent from reading a catalog or spreadsheet.

    The presence of the trifluoromethyl group imparts chemical inertness where it’s needed—reactions with strong nucleophiles or bases become much more manageable. Downstream hydrolysis or ring-opening doesn’t lead to unwanted side products as often observed in analogues. A technical services group from a multinational crop protection firm confirmed they could skip certain purification stages thanks to how cleanly our MTTT derivative behaves, reducing worker exposure to harsh process chemicals. This is not a substitute for GMP or GLP, of course, but it points to less ambiguous outcomes in the hands of professionals.

    Field Feedback and Real-Use Stories

    We like to keep communication open with formulation chemists and process leaders who test new routes or formulations. Over several years, the feedback loop from field to lab to plant has driven improvements in our own SOPs and batch records. An early career process engineer described successfully integrating MTTT into a new synthesis route after multiple failed attempts with a related compound, and then revising his protocols to adopt our standard for all subsequent trials. Farm trial managers also tell us their tests with MTTT-derived actives show more consistent, season-long biological performance.

    Chemists heading up pilot plant work talk about the practical difference in filterability and crystallization yields with our product compared to alternative heterocycles—less stuck filtration beds, lower solvent hold-up, and cleaner spectral profiles without extra washes. These aren’t just lab anecdotes; in aggregate they mean safer, less wasteful, and more predictable manufacturing routines up the chain.

    Institutional partners and graduate-level researchers mention the reproducibility and analytical purity of their findings improve with our material, especially when probing fine mechanistic distinctions in agrochemical precursors. They attribute their improved data quality to the well-characterized impurity profile and robust documentation. Modest, seemingly technical advances make the difference: faster validations, quicker response to regulator queries, and simpler authorizations for new field trials or synthesis campaigns.

    Long-Term Investment in Consistency and Innovation

    Working at the intersection of chemistry and manufacturing means dealing with both today’s process realities and anticipating tomorrow’s technical needs. We treat scale-up not just as an internal problem but as a shared conversation with every company aiming to develop the next generation of active ingredients. Routine isn’t the same as “good enough”—every step of producing MTTT gets reviewed against lessons learned both from internal process data and customer outcomes.

    Scaling a triazolinethione that carries both methyl and trifluoromethyl groups called for dozens of small investments in plant modernization—multi-stage distillation, inert handling environments, and custom filtration systems—that together minimize both hazard and variance. Over the years, it’s advice from users in formulation labs, field-testing specialists, and in-plant chemists that has driven most innovation here. They pointed out where residues proved stubborn, or trace byproducts didn't clear during upscaling. We listened and invested in both technical upgrades and training, not just to comply with guidelines, but to set a new bar at each audit and customer visit.

    For customers in segments ranging from synthetic chemistry to large-scale crop protection, the investment in reliability and real-world performance pays off in lower operational costs, fewer stoppages, and higher trust. Few things build a reputation faster than a product that not only works on the bench but also out in the real world—in reactors, formulation plants, and even regulatory submissions.

    Building Confidence Through Transparency

    In this industry, trust comes from both product quality and communication. No process is wholly free from challenge—unexpected weather shutting down a raw materials plant, sudden specification changes downstream, or even simple documentation mix-ups. We make our batch records, impurity studies, and supply chain validations available to partners so they know not just what’s inside the drum, but how we got there, and where each risk is monitored.

    Our own internal audit process checks critical points from raw material intake to final packaging. Customer-facing reports detail not just analytical results, but the test methods and change histories so that buyers see the full decision pathway. This transparency is more than a paperwork exercise; it’s the foundation for collaborative troubleshooting and continuous improvement.

    We’ve been asked, more than once, if certain process improvements or cost reductions led to specification creep or unexpected trade-offs in performance. It’s a fair question, and the audit trail—backed by both in-house and occasional third-party verification—lets buyers and users answer that for themselves. In all these exchanges, the reliability of MTTT ties directly to continuous feedback, analytical disclosure, and incremental improvement.

    A Manufacturer’s Perspective, Shaped by Collaboration

    Years of manufacturing MTTT have taught us that making “good” product goes beyond ticking boxes on a quality checklist. Routine interaction with users drives innovation—process optimizations, new test methodologies, and product tweaks all flow from what users see when the chemical leaves our loading dock. There’s a difference between test-tube chemistry and 2000-liter reactors, and we are reminded of it with every feedback form, lab report, and production data sheet sent back.

    From procurement specialists worried about cost volatility, to analytical chemists requiring trace-level reproducibility, each group shapes how we refine specifications over time. This compound is not a one-size-fits-all solution: the specific needs of agrochemical innovators, specialty manufacturers, and university R&D teams all factor into how we evolve the process and product.

    Looking Ahead: Value for Advanced Synthesis

    We see a growing need for intermediates like MTTT that deliver not just technical performance but also transparent, auditable supply chain records. Regulatory supervisors in agrochemicals check more than just active content; they scrutinize impurities, batch histories, and source materials. Process chemists ask for reproducibility first, but also look for adaptability—options for scaling, purification, and new synthetic pathways. MTTT lines up on both counts: amenable to existing routes, yet open enough structurally for new twists in research.

    Looking out over the next decade, the demand for precision intermediates will only rise. University researchers working on new active structures, or companies seeking more sustainable crop protection, need supply partners who have both modern chemistry and process discipline as standard. From our vantage as the original manufacturer, MTTT represents a working model for how detailed process control, user-driven improvements, and supply chain assurance combine to deliver not only a molecule, but long-term collaborative value.