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Acetyl Thiourea

    • Product Name Acetyl Thiourea
    • Alias Acetylthiourea
    • Einecs 211-740-3
    • 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

    282161

    Chemical Name Acetyl Thiourea
    Cas Number 591-08-4
    Molecular Formula C3H6N2OS
    Molecular Weight 118.16 g/mol
    Appearance White to off-white crystalline powder
    Melting Point 172-175°C
    Solubility In Water Slightly soluble
    Boiling Point Decomposes before boiling
    Density 1.34 g/cm³ (approximate)
    Purity Typically ≥98%
    Odor Odorless
    Synonyms N-Acetylthiourea; Ethanoylthiourea

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

    Packing & Storage
    Packing White plastic bottle with blue screw cap, labeled "Acetyl Thiourea, 100g," featuring hazard symbols and storage instructions, securely sealed.
    Shipping Acetyl Thiourea should be shipped in tightly sealed containers, protected from moisture and direct sunlight. It must be handled as a chemical substance, following all relevant safety regulations. Ensure proper labeling, and transport in compliance with local, national, and international chemical shipping guidelines to prevent leaks, spills, or contamination.
    Storage Acetyl Thiourea should be stored in a tightly closed container, in a cool, dry, and well-ventilated area, away from direct sunlight and sources of ignition. Keep it away from incompatible substances such as strong oxidizing agents. Ensure that storage areas have suitable spill containment and are clearly labeled. Protect from moisture and handle using appropriate personal protective equipment (PPE).
    Application of Acetyl Thiourea

    Applications of Acetyl Thiourea in Industrial Manufacturing

    Acetyl Thiourea serves as a crucial specialty intermediate for a select group of high-value chemical industries. Leveraging advanced process integration and quality-focused production, our manufacturing partners apply Acetyl Thiourea in several niche segments where its unique properties add measurable value in compliance, performance, and precision synthesis. Below are the principal real-world downstream scenarios for this raw material, based on its established utility and integration into global manufacturing chains.

    1. Pharmaceutical Intermediate for Cephalosporin Antibiotics

    In cephalosporin antibiotic synthesis, Acetyl Thiourea acts as a sulfur source and reactant to build key heterocyclic intermediates. API manufacturers introduce this raw material during the nucleophilic substitution and cyclization steps that form the β-lactam core, requiring rigorous quality control and compliance with international pharmacopeial standards. Dosage, timing, and purity levels must fit the structural requirements of specific cephalosporin subtypes, including 7-ACA derivatives.

    Industry compliance standards

    • USP and EP standards for API intermediate purity
    • ICH Q7 GMP guidelines for active pharmaceutical ingredient manufacturing
    • FDA 21 CFR Parts 210/211
    • Chinese Pharmacopoeia quality specifications

    Typical usage ratio

    • 0.5–3.0 molar equivalents relative to the core β-lactam precursor; adjusted based on desired yield and impurity profile

    Downstream process integration

    • Added during cyclization or condensation stage after introduction of the penicillin or cephalosporin ring system

    Final product types

    • Cephalosporin API intermediates (e.g., 7-ACA, 7-ADCA, cefalexin intermediates)
    • Finished cephalosporin antibiotics (for oral and injectable formulations)

    2. Vulcanization Accelerator for Industrial Rubber Manufacturing

    Within the rubber and elastomer sector, downstream producers utilize Acetyl Thiourea as a secondary vulcanization accelerator, enhancing cross-link density and tensile properties. Producers especially rely on it in the manufacture of heat-resistant technical rubber products, where formulators must balance curing speed with aging resistance. Manufacturers must monitor levels strictly to meet VOC regulation and ensure low free thiourea content in the final elastomer matrix.

    Industry compliance standards

    • ASTM D2000 (rubber material classification)
    • EU REACH regulation on chemical safety
    • ISO 9001:2015 for quality consistency in compounding
    • RoHS (Restriction of Hazardous Substances, for electronics-related rubber)

    Typical usage ratio

    • 0.2–1.0 phr (parts per hundred rubber by weight), depending on the rubber polymer matrix and accelerator package

    Downstream process integration

    • Introduced to the rubber compounding stage together with primary accelerators and sulfur, prior to curing in heated molds or continuous presses

    Final product types

    • Heat-resistant rubber gaskets and seals
    • Industrial conveyor belts
    • Wire and cable insulation components
    • Automotive rubber parts

    3. Precursor for Agricultural Fungicide Synthesis

    Synthetic crop protection manufacturers rely on Acetyl Thiourea as a building block to prepare high-performance dithiocarbamate fungicides. It reacts with carbon disulfide and amines or metal salts to create key active ingredients, with purity and reaction yield tightly correlated to field product effectiveness. Facility protocols require full batch traceability and strict worker/consumer safety assurance as detailed by agrochemical regulatory authorities.

    Industry compliance standards

    • FAO/WHO pesticide specification formats
    • ISO 9001:2015 for agrochemical manufacturing
    • EU Regulation (EC) No 1107/2009 for plant protection products
    • China ICAMA registration guidelines for pesticide active ingredients

    Typical usage ratio

    • 0.8–1.2 molar equivalents per dithiocarbamate functional group targeted, based on technical grade feedstock

    Downstream process integration

    • Participates as a primary reactant in closed-system synthesis reactors, before neutralization and isolation of technical-grade fungicide actives

    Final product types

    • Dithiocarbamate fungicide technicals (e.g., mancozeb, thiram intermediates)
    • Finished wettable powder and suspension concentrate formulations for field use

    4. Electroplating Bath Additive for Non-Ferrous Metals

    Specialized metal finishing operations use Acetyl Thiourea as an auxiliary agent in acid copper and other non-ferrous electroplating baths. Its chemical properties help suppress irregular nucleation and enhance deposit uniformity on complex-shaped components, essential for manufacturers supplying electronic connectors and corrosion-resistant coatings. Precise dosing is required to avoid negative impacts on bath stability and to comply with effluent discharge limits.

    Industry compliance standards

    • ASTM B567 (measurement and quality of electrodeposited coatings)
    • ISO 4527 for non-ferrous metal coatings process control
    • EN 12540 for electroplated coatings on metallic materials
    • Compliance with local wastewater treatment regulations (e.g., US EPA 40 CFR)

    Typical usage ratio

    • 1–10 mg/L in working plating solution, with adjustments based on workpiece surface area and deposit thickness requirements

    Downstream process integration

    • Dosed directly into the circulating electroplating bath after bath make-up and before start of controlled current deposition cycles

    Final product types

    • Copper and other non-ferrous metal plated components
    • PCB connector pins and contact points
    • Industrial hardware and decorative metal finishes

    5. Chemical Reagent for Analytical Applications

    Reagent producers supply Acetyl Thiourea as a high-purity standard or derivatizing agent for analytical laboratories, where it is used to detect trace metals or as a precursor in certain colorimetric assays. Users prepare working solutions following detailed laboratory protocols and validated analytical procedures, with documented batch traceability and conformance to ISO chemical reagent standards.

    Industry compliance standards

    • ISO 6353-1: Reagents for chemical analysis
    • Analytical Reagent (AR) and HPLC grade purity specifications
    • GLP (Good Laboratory Practice) guidelines
    • Internal QC audit requirements for reference materials

    Typical usage ratio

    • 1–100 mg/L in prepared analytical solutions, titration mixtures, or standard curves, adjusted according to analyte sensitivity

    Downstream process integration

    • Dissolved and mixed in buffer or reaction solution preparation during stepwise analysis or sample derivatization

    Final product types

    • Laboratory-grade metal ion detection kits
    • Colorimetric assay reagents
    • Certified reference laboratory standards
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    Certification & Compliance
    More Introduction

    Acetyl Thiourea: From Factory Floor to Critical Applications

    At our manufacturing site, Acetyl Thiourea starts life not as an end product, but as a key ingredient shaped and tuned by many hands and machines familiar with the demands of real chemical processes. We produce this compound, often referenced under model numbers like 99-9 or 1-ACT, with specifications tuned by industry feedback and decades of process knowledge. Our production batches feature an assay consistently exceeding 99.0%, moisture levels held below 0.5%, and a melting point hovering between 180 and 185°C. Every batch faces rigorous, hands-on quality checks; our operators and lab staff notice even minor shifts in color, purity, or flow, because our clients notice too.

    Production Realities: Crafting Consistency at Scale

    Anyone making Acetyl Thiourea at scale knows the devil lives in downstream purification. We do not grind out tons and let them settle as “good enough.” Quality here stems from careful acetylation and precise temperature profiles, with urea and acetic anhydride handling performed by trained staff. Fail to watch pH at several steps and you get off-flavors, discoloration, or expanded impurity profiles. All our product leaves the factory after GC and HPLC checks confirm nothing hides outside the accepted spectrum.

    We carry out the final drying under reduced pressure, which avoids thermal breakdown—a lesson learned from seeing yields slip across hot drying rooms in years past. Acetyl Thiourea crystals should break cleanly, show that stark, white, needle-like appearance, and flow readily from the discharge hopper. Our staff piles years of practical learning into each batch. Feedback from clients in the dye, pharmaceutical, and technical industries helped us refine each stage. The tolerance windows we use now did not come out of a laboratory designer's dream, but out of fixing real-world snags and building up a base of repeatable, reliable tricks.

    Major Use Cases: The Link in Multiple Industrial Chains

    We see the bulk of our material heading out in drums labeled for dye intermediates and pharmaceutical syntheses. Acetyl Thiourea often acts as a key intermediate in the making of thiourea-derived dyes and pesticides. Several major API manufacturers rely on it for its nucleophilic properties, especially where cyclization steps demand a reagent that can add an acetyl group without introducing sulfur-based odor or unwanted byproducts.

    Beyond colorant chemistry and pharma, our chemical also finds a home in polymer stabilization, oil additives, and certain specialty electroplating baths. In each environment, users care less about abstract product claims than about ash content, trace metal residuals, and stability under their process conditions. We conduct routine tests for chloride, sulfate, and iron content. Any drift triggers corrective action in the plant, not apologies to customers after the fact.

    What Sets Our Acetyl Thiourea Apart

    Having spoken directly with customers running continuous processes, we know reliance on steady supply matters as much as purity. We run parallel reactors and a conservative maintenance schedule, accepting tighter profit margins for the sake of never missing a shipment window. This has earned us the trust of buyers who remember sudden price spikes or supply failures from previous market disruptions.

    Standardization beats novelty in industrial chemical supply. The request usually runs: “Can you make product X, at Y price, every month, with never a blip in consistency?” We listen, then implement in the plant. Once, a customer switching from a competitor’s material called our technical team to describe a bottleneck in their synthesis. Turns out, too high an acetyl impurity in their former supplier’s batches forced them into repeated rework. We fine-tuned our process and matched their flow behavior and solubility curves from lab scale up to tons. The feedback from their process engineers soon showed improved throughput and zero unexpected downtime.

    Our final product distinguishes itself from alternative routes not only by chemical purity, but by the effort behind the scenes: handlers who know the quirks of each reactor, logistics staff monitoring drum compatibility, and an R&D team ready to tweak specifications on demand. These differences, built from years of feedback and incremental improvements, separate the work of those who manufacture from those who only repackage and label.

    Differences from Other Compounds and Final Factories

    It’s easy for trade companies or distributors to blur the lines between Acetyl Thiourea and other thiourea or urea derivatives. We see this when customers inquire about cost savings by switching to generic thiourea or N-acetylurea compounds. The reality: neither is a direct substitute in applications demanding specific nucleophilicity or acetyl protection.

    Our in-process QCs track specific reactivity patterns, not just purity. Acetyl Thiourea offers a better leaving group compared to parent thiourea, giving it a different profile in cyclizing reactions. It resists acid decomposition and exhibits lower volatility, which matters in continuous flows where boil-off translates to losses and safety risks.

    Field feedback shows that commodity thiourea can introduce sulfur odor in agrochemical syntheses, spoil active intermediates, and create more handling hazards. Some buyers try switching but return to Acetyl Thiourea after a few batches, citing more controllable reaction profiles and cleaner splits between major and minor components.

    We discourage substitution unless our technical team can confirm compatibility in the target route. Specification drift or mislabeling causes more headaches here than price differences ever do. For any customer whose process depends on known reactivity and trace impurity limits, sticking with proven Acetyl Thiourea remains the cost-saving choice in the long run.

    Experience-Driven Adaptation: Meeting Real Needs

    Customers in high-value industries rarely tolerate surprises. Each time a process engineer reports inconsistent results with another supplier, our technical service crew logs a call and sometimes ships on-site samples. Years spent in these conversations taught us to hold fine control of crystallization temperature, strictly monitor for cross-contaminants, and offer a shelf life guarantee of two years under dry, cool conditions.

    A typical buyer in pharmaceuticals, for instance, demands not just a COA but real transparency: recent batch histories, on-site sampling opportunities, competitive impurity profiles, and assurance of consistent polymorph production. We see them run side-by-side comparatives before deciding on a supply relationship. Our record of satisfied, returning clients goes back decades, and we keep every technical support query on file as a source for future improvements. Feedback on unusual crystallization behavior in high-purity applications led us to refine filtration and washing protocols, tweaking solvent mixtures until we saw a uniform, robust crystal habit that spectroscopists confirmed as single-phase.

    Challenges and Continuous Improvement

    Global chemical regulation grows more complex every year. Our compliance team keeps current with evolving REACH and TSCA requirements; paperwork without attention to real plant procedures means nothing when shipments get delayed for clerical oversights. We keep real, auditable records from raw material sourcing to finished product drums. No batch ships without traceability, and we chase down any out-of-spec result right away, rather than pushing it down the line.

    We’ve partnered with outside labs to cross-check results on heavy metals and secondary decomposition products. This caught one supplier’s inconsistent urea material, which let us shift procurement early and avoid off-spec production. Sometimes, we find issues that other manufacturers do not, especially in terms of minor byproduct formation from improperly neutralized intermediates. These issues show up as haze, off-color, or drifting melting points. Identifying and solving them keeps us at the top of our field.

    Physical handling plays a bigger role than many realize. Humidity control throughout storage and transport prevents caking and keeps our product pouring freely—a difference noticed most by warehouse and production-line staff, who dislike drum-scraping as much as anyone. We never load-out on rainy or humid days unless climate controls ensure dry fill.

    Direct Support and Application Advice

    A specialty product like Acetyl Thiourea still lends itself to adaptation across new fields. Researchers approach us from battery startups or specialty coatings, asking about downstream reactions, compatibility with other organics, or safe handling at pilot scale. We’re honest about what we know and what’s still in the pipeline. Data on shelf-life under inert gas, for instance, only became available after in-house testing and cooperation with a European electronics firm.

    Our technical support staff carries real plant experience. Their advice stems from seeing both lab and production failures solved in the real world—not from manuals but from trial and error. They continue to assist in everything from scale-up advice to impurity troubleshooting, always documenting new application notes as the market evolves.

    Sustainability and Safety in Daily Operations

    In today’s world, customers and regulators alike watch for sustainable practices. We run closed-loop processes wherever possible, recovering acetic acid byproducts and minimizing water discharge through multi-stage washing. The waste streams stay below statutory levels, and we report results to interested customers upon request. In some markets, environmental auditing is as important as technical specification. We share operational process summaries with qualified partners, and maintain a strong internal audit policy enforced monthly.

    Safety is visible on the factory floor every day. Handling acetic anhydride demands loyalty to proper airflow and PPE, not just a set of written rules. We reviewed and upgraded fume extraction after one near-miss, and our accident-free record in recent years shows the results of continued training and investment. Buyers sometimes ask about risk during transit or handling; our team, drawing on years of practice, can describe incident response protocols and documentation procedures without pausing to find their notes.

    Long-Term Partnerships and Transparent Communication

    Over years in the chemical industry, we’ve learned customers stay with suppliers who deliver more than what’s on paper. They look for honesty when something goes wrong; we’ve had years when certain vital raw materials ran short, and we always called partners directly with timelines and alternate options. This upfront style builds resilience for both sides and avoids last-minute crises.

    Routine collaboration with process engineers from end users contributes to our own learning. Batch feedback and plant visits create a feedback loop: ideas for more efficient packaging, suggestions for improved bulk handling, and shared troubleshooting tips benefit everyone. Feedback led to us switching to antistatic liners and shorter drum fill pipelines; it also drove us to improve our lab turnaround time for product certifications.

    Trusted Experience: Manufacturing with Purpose

    Acetyl Thiourea sits at the intersection of chemistry and applied problem-solving. Every gram leaving our plant reflects not just a certificate of analysis, but ongoing collaboration, steady investments in process integrity, and a team devoted to meeting direct user needs day after day. What makes our product unique is the combination of tightly-held process knowledge, willingness to adjust specifications, and transparency with both process details and test results.

    We see steady demand across sectors not just for generic product, but for the consistency, insight, and support that come only from long-term manufacturing. Our business grew not from speculative trading, but from hard work, shared expertise, and solving technical problems in real time. From drum filling to documentation, every step proves our belief in making Acetyl Thiourea not just available, but optimal for each client’s needs.

    Looking Forward: Evolving with Changing Demands

    The chemical landscape never stays the same. New applications crop up, regulations grow ever tighter, and client expectations rise year by year. We invest both in modern analytics and in upgrading plant safety systems, so our staff and clients stay ahead of the curve. Every improvement feeds back into production discipline, and we’re honest about our strengths: repeatable outcomes, robust support, and strict adherence to traceability in a world of shortcuts and unknowns.

    Acetyl Thiourea will continue to play a role in both standard and adventure-driven chemical syntheses. We make it with a level of care that comes only from owning every step of the process. Customers—both new and long-standing—count on us for product reliability, straightforward communication, and technical support that stands up to the challenges of an evolving marketplace.

    We believe direct manufacturing experience, ingrained quality discipline, and continuous feedback are what keep our product more than a generic chemical—instead, a partnership with every client in the business of building, making, or discovering something new.