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

Tetramethylthiourea

    • Product Name Tetramethylthiourea
    • Alias TMTU
    • Einecs 202-851-5
    • 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

    251836

    Cas Number 2487-90-3
    Molecular Formula C5H12N2S
    Molar Mass 132.23 g/mol
    Iupac Name 1,1,3,3-Tetramethylthiourea
    Appearance White crystalline solid
    Melting Point 78-81 °C
    Boiling Point 228 °C (decomposes)
    Solubility In Water Slightly soluble
    Density 1.06 g/cm³
    Flash Point 115 °C
    Chemical Structure S=C(N(C)C)N(C)C

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

    Packing & Storage
    Packing Tetramethylthiourea is packaged in a 500-gram amber glass bottle, sealed with a screw cap, and clearly labeled with hazard warnings.
    Shipping Tetramethylthiourea should be shipped in tightly sealed containers, away from moisture and incompatible substances. It must be clearly labeled, handled with care, and transported according to regulatory standards for chemicals. Appropriate protective packaging and documentation are required to ensure safe delivery, minimizing risk of exposure, spills, or environmental contamination.
    Storage Tetramethylthiourea should be stored in a cool, dry, well-ventilated area, away from sources of ignition, heat, and incompatible materials such as oxidizers and acids. Keep the container tightly sealed and protected from physical damage. Store in a chemical-resistant container labeled appropriately, and avoid exposure to moisture. Ensure access is restricted to trained personnel and use appropriate secondary containment if necessary.
    Application of Tetramethylthiourea

    Applications of Tetramethylthiourea in Industrial Manufacturing

    Tetramethylthiourea serves as a specialty raw material in several industrial sectors. Its chemical properties support reaction processes, impact product performance, and enable precise operational control. Below, we detail significant application routes relevant to actual manufacturing practices.

    1. Vulcanization Accelerator in Rubber Manufacturing

    Rubber processing facilities use Tetramethylthiourea as a secondary or ultra accelerator in high-performance vulcanization systems. Compounders select it for applications demanding rapid vulcanization cycles or heightened curing uniformity, especially in products requiring resistance to heat aging or flex-fatigue. Engineers opt for specific dosages based on compound type, sulfur ratios, and targeted mechanical properties. This accelerator enables reliable cross-link density, tight hardness tolerances, and stable processing windows for technical rubber goods.

    Industry compliance standards

    • ISO 23936-2: Non-metallic materials in contact with media related to oil and gas production
    • ASTM D3182: Standard Practice for Rubber Compounding Materials—Preparation
    • REACH Regulation (EC) No 1907/2006 (EU Market)
    • GB/T 603-2008: Rubber—Vulcanization accelerators—General specifications (China)

    Typical usage ratio

    • 0.2–1.2 parts per hundred rubber (phr) depending on formulation and performance required; lower range for tire inner liner and higher charges for technical rubber sheets

    Downstream process integration

    • Added during the compounding stage after initial plasticizers and prior to sulfur addition
    • Homogenized within Banbury mixers or open mills; temperature kept below 90°C to prevent premature curing (scorch)

    Final product types

    • Automotive seals and gaskets
    • Industrial conveyor belts
    • High-flexibility rubber hoses
    • Oil-resistant rubber components

    2. Intermediate in Pharmaceutical API Synthesis

    Tetramethylthiourea acts as a critical synthetic intermediate for the production of selected active pharmaceutical ingredients (APIs). It participates as a reactant in cyclization or thiourea-type derivatization steps favored in heterocycle construction. Process chemists value its predictable reactivity for constructing thiazole rings and other sulfur-containing cores. Quality control must verify identity and purity to pharmaceutical synthesis standards, supporting reliable downstream yields.

    Industry compliance standards

    • ICH Q7: Good Manufacturing Practice for Active Pharmaceutical Ingredients
    • USP-NF: United States Pharmacopeia–National Formulary
    • EU GMP Volume 4, Part II
    • ChP (Chinese Pharmacopoeia) for supportive documentation

    Typical usage ratio

    • Stoichiometrically matched to the molar requirement of reaction substrate; most API syntheses use 0.95–1.05 molar equivalents, with adjustment for side reactions or yield targets

    Downstream process integration

    • Loaded into batch reactors after solvent charging and inerting
    • Participates in early-stage or mid-stage transformations; controlled temperature (10–50°C) and pH maintained for reaction specificity

    Final product types

    • Thiazole-based pharmaceutical intermediates
    • Anti-hypertensive drug building blocks
    • Active intermediates for anti-diabetic APIs
    • Advanced intermediates in specialty oncology API synthesis

    3. Curing Agent in Epoxy Resin Formulations

    Epoxy resin producers employ Tetramethylthiourea as a latent curing agent to control gel time and thermal stability in adhesive, coating, and composite systems. Its inclusion extends the processing window without compromising final strength and chemical resistance. Formulators adjust its dosage for two-part systems or powder coatings based on desired cure profiles and working time. It supports manufacturing lines operating with lean curing schedules and high throughput demands.

    Industry compliance standards

    • EN 13986: Panels for use in construction—Chemical requirements for adhesives
    • ASTM D1763: Standard Specification for Epoxy Resins
    • RoHS Directive 2011/65/EU (applicable to electronics adhesive use)
    • ISO 9001:2015 Quality Management Systems

    Typical usage ratio

    • 0.5–2.5% by weight of total resin blend, depending on type of final epoxy system and working temperature

    Downstream process integration

    • Pre-mixed into part B (hardener side) of two-component epoxy
    • Introduced during batch blending at 20–40°C, ensuring uniform dispersion prior to final packaging or downstream mixing

    Final product types

    • High-performance structural adhesives
    • Powder coating prepolymers
    • Fiber-reinforced composite panels
    • Electronics encapsulation resins

    4. Corrosion Inhibitor Additive in Metalworking Fluids

    Metalworking fluid formulators add Tetramethylthiourea as a corrosion inhibitor component to enhance the protection of ferrous and non-ferrous metals during milling, drilling, or storage. It forms stable films on metal surfaces, suppressing oxidative degradation under high-humidity and saline exposure. Laboratory and field tests define schematics for additive loadings based on fluid chemistry, targeted application (emulsifiable oil, semi-synthetic fluids), and expected protection timeframes.

    Industry compliance standards

    • ASTM D4627: Standard Test Method for Iron Chip Corrosion
    • ISO 6743-13: Category Y for metalworking fluids
    • TRGS 611: Restrictions on Substances Hazardous to Water (Germany, for water-based fluids)
    • OECD Guidelines for Testing of Chemicals—Ecotoxicological assessment for downstream discharge

    Typical usage ratio

    • 0.05–0.25% by weight, tailored by emulsion type and metal substrate; higher inclusion in high-demand anti-corrosion applications, lower for light-duty hydraulic fluids

    Downstream process integration

    • Incorporated after base oil blending; agitation provides dispersal
    • Final additive blending occurs at storage tank/IBC filling stage

    Final product types

    • Cutting and grinding fluids
    • Storage and layup oils
    • Machining emulsions for automotive parts
    • Corrosion inhibiting surface treatments

    5. Sulfur Donor in Agrochemical Synthesis

    Agrochemical manufacturing facilities integrate Tetramethylthiourea as a controllable sulfur donor during the synthesis of certain herbicides and fungicidal actives. Precision in its addition impacts the conversion yield, impurity profile, and environmental compliance of the final crop protection agents. Chemists monitor usage to match process safety protocols and minimize undesired polythio by-products, using real-time analytical feedback during each batch.

    Industry compliance standards

    • FAO/WHO Specifications for Plant Protection Products
    • ISO 9001:2015 for agrochemical quality management
    • REACH Annex IV & V (EU) for intermediates and downstream use registration
    • GB 2763-2023: Maximum residue limits for pesticides in food (China, relevant for downstream use)

    Typical usage ratio

    • 0.8–1.1 equivalents per target molecule; actual loading adjusted for precursor reactivity and specific crop protection agent being synthesized

    Downstream process integration

    • Charged into jacketed kettles following solvent and co-reactant addition
    • Reacted under controlled temperature (10–30°C) and inert atmosphere; followed by extraction and purification steps

    Final product types

    • Sulfur-containing herbicides (e.g., thiocarbamate derivatives)
    • Fungicidal intermediates with thiazole-functional groups
    • Pesticide synergists in proprietary agrochemical blends
    • Seed treatment actives for crop protection
    Free Quote

    Competitive Tetramethylthiourea 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 admin@sinochem-nanjing.com.

    We will respond to you as soon as possible.

    Tel: +8615371019725

    Email: admin@sinochem-nanjing.com

    Get Free Quote of Sinochem Nanjing Corporation

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

    Certification & Compliance
    More Introduction

    Tetramethylthiourea: Experience-Driven Manufacturing Insight

    Introduction To Tetramethylthiourea Production

    In our years producing specialty organic chemicals, Tetramethylthiourea stands out because of its reliability and strong demand from high-performance ingredient sectors. This compound, sometimes called TMTU, has a well-defined role in chemical syntheses and industrial catalyst formulas. We manufacture Tetramethylthiourea directly at our facility, managing every part of the process: sourcing, synthesis, quality assurance, and shipment. Our experience gives us insight into why our partners prefer our product over others, and what benefits they find in the unique characteristics of TMTU.

    Models And Specifications

    Most of our Tetramethylthiourea leaves the reactor with purity levels above 99%. We monitor batch-to-batch consistency at the molecular level with up-to-date chromatography and melting point verification. Popular demand tends toward crystalline powder form, which assures scalpel-sharp dose control in further processing. We pack and certify purity and physical state in every lot, keeping all handling and documentation transparent and auditable.

    Requests for specific mesh sizes or extra-low moisture lots have grown as downstream requirements become more precise. Our team separates, mills, and screens as requested, ensuring every kilogram reflects the requirements set by your process engineers. If high moisture sensitivity is a factor, desiccant-packed drum options remain available. Each order gets logged with a unique batch identifier, closing the chain of custody from production to receipt at your facility.

    Why Tetramethylthiourea Remains Essential

    Customers often ask us why Tetramethylthiourea persists on their ingredient lists, even as technologies advance and regulation changes shift the marketplace. One reason is its established role as a sulfur donor in various organic reactions. Where reliable sulfur transfer, moderate reactivity, and predictable side products are needed, few alternatives impart the same reaction profiles as TMTU. Its function in thioamide and heterocycle formation remains irreplaceable in synthetic pharmaceutical and agrochemical routes.

    Another segment most vocal about quality and reliability includes polymer additive formulators. Tetramethylthiourea acts as a vulcanization accelerator and antioxidant component in certain specialty rubber mixes. We hear directly about the impact subtle purity shifts can have on batch consistency. These industries depend on tight molecular weight control and low trace impurity content. Our long-term relationship with these clients gives us daily feedback on what matters in the real production environment—consistency, repeatability, and traceability always come up first.

    Why Customers Choose Our Material Over Alternatives

    We see direct competition between Tetramethylthiourea and another sulfur-based agents. Alternatives may be more widely available, but users look to TMTU for specific benefits: less aggressive odor profiles, more manageable toxicity ratings, and smoother handling in multi-step synthesis setups. Over-engineering a solution rarely outperforms sticking to a known, reliable input. End-users have pointed out that TMTU works where more reactive or less stable options fail to control side reactions or produce excess waste.

    One common example surfaces in electronics and specialty coatings manufacturing, where the margin for off-specside products narrows every year. Mistakes or unexpected interactions cost time and money. Decision makers in these sectors appreciate that our Tetramethylthiourea holds up batch after batch, showing the same analytical fingerprint every time. They report fewer contamination events, smoother end-of-line purifications, and a reduction in lot rejection compared with alternative suppliers.

    Beyond reliability, our direct-from-manufacturer approach solves real procurement problems. Instead of working through a series of intermediaries, purchasing managers negotiate directly with us, trim lead times, and minimize transit delays. This eliminates a major source of stress for industries working with tight schedules, regulatory inspection windows, or time-sensitive research programs.

    Tetramethylthiourea In Application: Real-World Use Cases

    Our customers rarely use Tetramethylthiourea on its own as a finished end-product. Instead, it’s a high-impact tool within critical intermediate steps across medicines, agrochemicals, high-strength polymers, and other specialties. Its key attribute—selective sulfur donation—streamlines the creation of heterocyclic rings and thioamide substructures. These reactions produce active ingredients in important classes of antibiotics, antifungals, and other therapeutic agents.

    Working directly with research labs, we see Tetramethylthiourea handled in batches as small as a few hundred grams or scaled all the way to multi-ton runs. Its handling profile makes weighing, blending, and dissolving straightforward, with a melting point generally above ambient temperature in normal conditions. This minimizes the risk of accidental volatilization or loss—an important benefit in environments that keep every gram accounted for by regulation or quality audit.

    Beyond pharma, we participate in rubber and plastics compounding discussions where Tetramethylthiourea's performance in accelerator blends often leads the way in innovative applications. Some teams report minor improvements in elasticity, while others see sharper cut-off points in their cure profiles. The value sits in predictability: quality control teams expect every batch to fall in line with historical norms, and we structure our whole manufacturing workflow to deliver that result, not just meet a minimum specification.

    Direct Dialogue With Industry: Challenges And Solutions

    Open feedback loops between manufacturer and end-user sharpen the value proposition for Tetramethylthiourea. Many customers express concern about possible residue or contamination dragging through a process chain. By running every lot through modern purification steps and maintaining logs accessible for customer review, we mitigate those concerns before raw material hits your dock. If a customer’s downstream equipment shows compatibility challenges or reactivity quirks, we offer samples for validation rather than pushing a standard solution blindly.

    For clients in regions with tough chemical regulations or unpredictable import controls, predictability in documentation makes a difference. We build our export paperwork and product labeling to facilitate regulatory review—transparency at every link. Many large buyers share that mapping the batch lineage and purity data to their facility's historical data streamlines compliance responses, audit preparation, and external reporting requirements.

    Handling And Transport—Reducing Real-World Risk

    Safety plays a big role in our production choices. Tetramethylthiourea has fewer acute toxicity and skin irritation issues than several rougher alternatives in the sulfur donor category, but risk assessment remains central to safe handling. Our team invests in robust packaging that dampens vibration and shields powder from accidental moisture exposure. Each drum and bag carries durable labeling to keep identification easy, even after months in transit or long-term storage.

    Many logistics partners have commented on the improvement in damage rates and lost-in-transit claims since we moved to industrial-grade lined containers. In warehouse conditions, our product keeps well at room temperature, as long as it avoids direct water contact and prolonged UV exposure. Customers in especially humid climates usually request extra sealing; we oblige with custom packaging, keeping the vessel humidity as close to zero as practical by date of receipt.

    Environmental And Compliance Considerations

    Modern chemical manufacturing must keep a close eye on environmental footprint and compliance management. Tetramethylthiourea doesn't persist long in most waste streams, but responsible end-users count on upstream documentation and data for accurate lifecycle reporting. We provide complete SDS information with every shipment, including trace impurity profiles for customers that require clearance from internal and governmental safety teams.

    Waste management in our own facility closes every loop where legally and technically feasible. All filtration media and wash solvents pass through reclamation steps. Our team tracks consumption-to-waste ratios monthly, incentivizing continual process improvement. Large brand partners from pharmaceuticals and electronics trust this approach because it supports their end-to-end sustainability audits. They return repeatedly, confident their own green chemistry claims hold up to independent review based partly on our traceable, fully documented supply chain.

    Key Differences With Other Chemicals In The Same Class

    Buyers with deep experience in thiourea derivatives see the tradeoffs in switching between Tetramethylthiourea and similar compounds. Standard thiourea and its diphenyl variants have served as sulfur sources for generations, but each veers into distinct hazards or reactivity challenges. Many alternatives exhibit unpredictable volatility or higher water solubility, increasing the risk of unwanted byproducts in moisture-sensitive reactions.

    Tetramethylthiourea walks the line between stability and reactivity. Its structure reduces the intensity of dust and inhalation hazards associated with more volatile agents. Application teams confirm processing steps run with fewer hiccups when using TMTU relative to rougher, unrefined grades sourced elsewhere—especially in scale-up phases of new project launches. In catalysis, its moderate electron-donating capacity strikes the right balance for selective reaction pathways, without introducing excessive risk.

    Maintaining Trust Through Direct Production

    One lesson stands above all in our years making Tetramethylthiourea: customer trust comes from transparency and real communication. Buyers that source directly from the manufacturer always get reliable answers about process changes, outage risks, and shifting regulatory landscapes. Our operators know that their attention to cleanliness, organization, and documentation reflects immediately in the reputation we've built across decades in the chemical industry.

    Chemicals like Tetramethylthiourea might seem interchangeable on paper, but users at the sharp end—technical teams that process, transform, and analyze these raw materials—understand the difference real manufacturing expertise makes. We open our doors to site audits, third-party quality checks, and ongoing dialogue. That relationship approach has kept our customer base loyal through waves of market turbulence, price swings, and new regulatory hurdles.

    Continuous Improvement—Listening To The Front Lines

    Feedback drives our innovation, more than any standardized guideline. R&D partners summarized the most important change they saw over the last few years: improved filtering and reduction of trace metallic contaminants. Acting on that, we invested in new purification and analytical equipment, closing gaps that customers spotted in real-world application. It was only through honest, constructive criticism from these front-line users that we refined our process and raised the bar.

    Process engineers in emerging markets asked for smaller, more manageable package sizes, suiting their laboratory-scale test runs. Rather than force large-format drums, shifting to modular packaging opened new doors and cut waste in supply chains from Asia to North America. We watch actual demand trends, keep stock levels as lean as possible, and only scale up when customer signals suggest a real need.

    Conclusion—Tetramethylthiourea’s Place In Modern Industry

    Tetramethylthiourea lies at the intersection of reliability, practical performance, and trusted supply. Across synthetic chemistry, polymer science, and advanced manufacturing, its consistent properties and stable supply make it indispensable in applications where change brings risk. Our manufacturing approach builds on decades of direct customer feedback, perpetual process improvement, and a clear view of compliance from production floor to global markets.

    End-users with a stake in production quality, regulatory alignment, and repeatable results rely on the traceability that comes only from a direct relationship with the manufacturer. We stand by Tetramethylthiourea, shaped by hands-on experience and grounded in the everyday realities of chemical industry needs.