|
HS Code |
474877 |
| Chemicalname | 1-(3-Hydroxyphenyl)-2-Thiourea |
| Molecularformula | C7H8N2OS |
| Molecularweight | 168.22 g/mol |
| Casnumber | 5766-55-8 |
| Appearance | White to off-white powder |
| Meltingpoint | 178-182°C |
| Solubility | Slightly soluble in water, soluble in organic solvents |
| Purity | Typically ≥98% |
| Iupacname | 1-(3-hydroxyphenyl)thiourea |
| Structuresmiles | C1=CC(=CC(=C1)O)NC(=S)N |
As an accredited 1-(3-Hydroxyphenyl)-2-Thiourea factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | 1-(3-Hydroxyphenyl)-2-Thiourea, 25g, is supplied in a sealed amber glass bottle with tamper-evident cap and chemical label. |
| Shipping | 1-(3-Hydroxyphenyl)-2-Thiourea is shipped in tightly sealed containers, protected from light, moisture, and incompatible substances. It is typically packaged according to regulatory guidelines for laboratory chemicals, with appropriate hazard labeling. Shipping complies with local, national, and international regulations, ensuring safety during transit and minimizing risk of spills or contamination. |
| Storage | Store **1-(3-Hydroxyphenyl)-2-thiourea** in a tightly sealed container in a cool, dry, and well-ventilated area, away from direct sunlight and incompatible substances such as strong oxidizers and acids. Avoid exposure to moisture and elevated temperatures. Properly label the container and ensure access is limited to trained personnel, using personal protective equipment when handling the chemical. |
Applications of 1-(3-Hydroxyphenyl)-2-Thiourea in Industrial Manufacturing1-(3-Hydroxyphenyl)-2-Thiourea serves as a specialty intermediate in specific industrial applications, selected for its reactivity and performance in high-value chemical processes. Below are the principal downstream sectors in which our material achieves reliable commercial use, with detailed integration points and compliance requirements based on genuine industry practice. 1. Photographic Chemical Formulations1-(3-Hydroxyphenyl)-2-Thiourea functions as a silver halide sensitizer and antifogging additive in the production of photographic emulsions. Its use can influence grain structure, contrast, and image stability during the manufacturing of black-and-white and X-ray films. Our technical grade maintains batch consistency to comply with strict quality protocols prioritized by global photographic companies. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
2. Agrochemical Synthesis IntermediatesThis compound acts as a functional intermediate in the synthesis of certain phenylthiourea-based fungicides and herbicide molecules. By integrating the hydroxy and thiourea functionalities, downstream manufacturers use it in condensation and cyclization reactions for targeted active ingredient (AI) scaffolds within broad-acre crop protection. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
3. Rubber and Elastomer Vulcanization AcceleratorsIn the specialty rubber sector, 1-(3-Hydroxyphenyl)-2-Thiourea is utilized as a non-black accelerator to modulate vulcanization kinetics for light-colored or technical elastomer goods. This application enables precise adjustment of cure rates and crosslink density while minimizing color formation and bloom, especially valued in electrical insulation and consumer elastomer devices. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
4. Analytical Reagent ManufacturingThe compound is incorporated in high-purity analytical reagent kits as an organic masking agent and selective complexant particularly for metal ion titration and spectrophotometric assays. Laboratories depend on this grade for controlled reactivity, high solubility, and consistent masking performance during metal analysis in water and solid matrices under strict regulatory scrutiny. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
|
Competitive 1-(3-Hydroxyphenyl)-2-Thiourea 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
Flexible payment, competitive price, premium service - Inquire now!
Any manufacturer who has handled specialty organosulfur compounds knows the tricky balance between reliable synthesis and targeted performance. Our team here, working daily with thiourea derivatives, has seen a growing shift toward 1-(3-Hydroxyphenyl)-2-Thiourea, also known by its molecular formula C7H8N2OS. What makes it stand out isn’t just the function, but the hands-on predictability you get batch after batch. We’re not talking about commodity chemicals here. This molecule matters because it delivers a unique blend—one that chemists keep coming back to when other compounds fall short.
Let’s talk about the build. Every crystal leaving our plant has a precise melting point—checked in every production run. Construction of the hydroxy group at the meta position takes extra steps, not shortcuts, confirming there’s no confusion with those para or ortho relatives. That detail supports project success, whether our partners are in pharmaceuticals, fine chemicals, electronic materials, or research. As people who synthesize from raw inputs ourselves, we see firsthand the difference between high-purity product and cut-corner blends. No trader can talk you through the process like a chemist who’s stood by the reactor.
Roll up on our facility floor and you’ll find process vessels adjusted to control sulfur and humidity exposure, especially when working with sulfur donors and phenolic intermediates. Operators handling 1-(3-Hydroxyphenyl)-2-Thiourea wear their pride in every kilogram—because the quality standard comes from our own trial-and-error, not a phone call to a far-off supplier. Each run is monitored by HPLC and melting point analysis, but that’s baseline by our standard. We've learned that only by sampling at several stages, not just at final filtration, can we catch the little swings that lead to downstream headaches. Dedicating batch lines for this compound keeps the consistency real: color, flow, moisture content, and absence of phenol impurities all reflect choices made right at the source.
Those working in downstream synthesis or product development rarely see the upstream headaches we take on so you don’t have to. Tweaking reaction times, cooling protocols, and crystallization rates helped us whittle down off-odors and unwanted isomers. When partners run these crystals under UV or thermal conditions, purity sets the scene for reliable conversions and reproducibility. It’s our responsibility to deliver what we promise, long before shipment packs up for delivery.
Over decades in the lab, one truth sticks out: customers remember failures, not successes. Some researchers, after working with less-pure thiourea derivatives, sent back uneven results, poor yields, or unexplained coloring. Cleaning up that mess from other procurement mistakes usually falls to us, the original source. When the project calls for forming heterocycles, protecting reactive groups, or chasing rare bioactive structures, our 1-(3-Hydroxyphenyl)-2-Thiourea brings both reactivity and predictability to their bench. Unlike the commercially available para or ortho arrangements, our meta substitution sits apart. That extra separation between the hydroxy and thiourea groups opens up new reactivity—especially in hydrogen bonding or in tuning pharmacophoric features.
Even in dye and pigment intermediates, where shade and fastness matter, the purity of this product translates to consistent tone and improved shelf life. In complex synthesis, small impurities lead to unpredictable byproducts or loss in yield. Tight analytical controls allow our customers to scale from research to production without rewriting their process notes. There’s a sense of shared knowledge here—chemists talking to chemists, not middle managers.
Unlike bulk suppliers or unnamed sources, every person on the line has worked their way up by learning the pitfalls and tricks of the process. We take pride in setting up our reactors differently to avoid cross-contamination and keeping the timeline for each step visible to all staff. From recrystallization solvents to drying parameters, each choice is made from hands-on trial, not a guess. Many teams rely on us for the accuracy of our NMR, IR, and HPLC results because there’s no substitute for in-house validation. When clients call with a reaction snag, often an experienced chemist who handled their batch will call back. That’s not a chain of sales; it’s a direct sharing of expertise.
It’s taken us years of tuning to fix the issues that come with thiourea chemistry: sulfur’s stubborn odors, color instability, and storage unpredictability. By running quality checkpoints throughout the process, we're able to pick up on problems that would only show up months later in someone else’s warehouse. Long before the crystals reach packaging, our plant techs are watching color changes, weighing moisture take-up, and logging observations. If a problem shows up on our end, we solve it before it leaves our floor—not later or elsewhere.
The specification for our 1-(3-Hydroxyphenyl)-2-Thiourea grew out of lessons learned from both lab mishaps and scaled production. Every time a researcher reported an off-spec result, we pulled extra controls into the pipeline. Spectral data, melting points, water content, and trace impurities don’t just fill up a report—they’re signposts of how well we ran the lot. We’ve found that a tight melting point and spot-free TLC don’t lie. Yet, the only measure that really matters comes from customer feedback. If an impurity shows up in one batch and not the next, we go back to the reactor record, not an excuse list.
We keep open logs of past production runs—whether the batch had a crystal form shift, slightly different ash content, or discoloration after two months. Real experience taught us that raw specifications only matter if enforced with real checks. Every adjustment happens here, at our benches, not at a sales desk in another country. It may take longer, but the stability and reactivity of the product improve with every cycle.
Customers new to this compound usually ask why they can’t substitute another thiourea or hydroxyphenyl isomer. Factory experience spells out the differences. Meta-hydroxy substitution creates nuanced hydrogen bonding, changing how downstream reactions behave. It affects solubility, protection group chemistry, and how well materials hold up under thermal or photochemical stress. We’ve tested parallel syntheses side-by-side, and the subtle separation between functional groups leads to cleaner conversions and easier separations. Research teams buying impure mixes from other vendors often circle back—sometimes weeks after failed reactions or downstream instability.
Switching to bulk thiourea or other isomers cuts cost but often brings inconsistency. Final product yields drop, color drifts off-target, or impurities trigger extra purification steps. Collaborators in pharmaceuticals notice it first: meta-hydroxy placement makes late-stage derivatization easier and hits target purity faster. For those formulating electronic materials, minor structural variances impact conductivity and stability. Standard suppliers rarely talk through these issues, but working from the manufacturing floor, the lessons pile up quickly and repeatedly. Over time, we’ve adjusted our purification and storage procedures to emphasize stability under storage, reducing customer headaches months down the line.
As the ones carrying out the reaction, not just buying bulk from a warehouse, we see trends that outsiders miss. Variability in upstream precursor supplies, small temperature spikes in crystallization, even shipment lag—all change the quality of the finished thiourea. Unlike those who just list product specifications, our team runs side-by-side tests of every batch against industry standards, double-checking outcomes like thermal stability, purity retention, and behavior in model reactions. When there’s an issue, our engineers solve it by going back to fundamentals, not passing the buck.
Partners who work closely with us benefit from this experience. Sometimes, researchers want a tailored cut, a different solvent profile, or a specific crystal grain. Producing at the source makes these adjustments possible. Our feedback loop isn’t just forms to fill out—it’s a record of real trials, corrections, and successful project launches. Every year brings new findings, whether in pharmaceutical synthesis, pigment production, or research investigation. Customers see us not just as a supplier, but a technical partner able to go deep into the challenges of their work.
In today’s market, traceability isn’t a buzzword—it’s the backbone of sustainable chemical sourcing. No buyer likes uncertainty or vague promises about product lineage. Every container of 1-(3-Hydroxyphenyl)-2-Thiourea originating from our line tracks right back to its batch date, the input chemicals sourced, the conditions of recrystallization, and the notes of techs who oversaw drying and packaging. Being the manufacturer means our hand is on every lever in the process, so there’s never a question of trust. Analytical data, shipment logs, storage profiles—all live in the same system. Problems rarely last more than a batch because we can trace back every step efficiently.
That depth of record keeping has helped solve countless real-world issues. One time, a customer flagged a delayed darkening in finished formulations. By pulling up the lot history and synthesis notes, we tracked the problem to a supplier change in a key starting material. Adjusting procurement and switching back to our validated source restored color stability across several months’ production. No distributor can offer that depth of history or act on it so quickly. Hands-on manufacturing creates a feedback chain that benefits every stakeholder down the line.
As the source manufacturer, we constantly field requests for new applications and modified specifications. Research labs developing novel pharmaceuticals want proven data for regulatory filing. Electronic materials developers push for lowest trace metallic content. Textile and pigment formulators test batch behavior for shade consistency and endurance. We answer these through direct hands-on trials and iterative process changes in our facility. No spreadsheet or theoretical promise replaces the insight you get from dozens of batch cycles and hundreds of runs over years.
Not all requests lead to a perfect fit. Sometimes, we tell clients that our standard product best fits their need, Steering them toward alternate chemistry if the match isn’t right. Some end users seek water-white purity or extreme fineness of particle size for highly sensitive downstream processes. Our technical team routinely runs bench and pilot scale tests upon request, pulling from in-house analytics. Whether it’s custom solvent blends for improved dissolution or optimized drying schedules to reduce moisture pick-up, everything roots in real experience gained on our own line.
Operations never stop presenting new challenges. From batch-to-batch reproducibility to the quirks of international shipment, quality assurance remains a moving target. Humid storage environments, unplanned transport delays, and evolving regulatory requirements all create production hurdles. Our approach—put the challenge in front of our process chemists and operations team, analyze the risks, and make process or logistical adjustments. Once, a long shipment during the rainy season threatened an entire order’s color stability. By adding an extra drying step and moisture-absorbing liner to the packaging, we solved the problem before the product reached the customer.
Scaling up presents its own set of hurdles. Techniques proven at lab scale almost always need fine-tuning as volumes grow. We’ve invested in modular process lines, which allow for rapid adjustment to different run sizes or purity requirements. Not only does this reduce downtime, but it also means customers can get trial batches, pilot lots, or full-scale orders with the same documented care and history. Improvements in one process often migrate to others—fixing a filtration bottleneck here, updating storage protocols there—each change driven by the lessons of direct handling rather than policy.
Quality in specialty chemicals comes down to decisions made hours, days, and sometimes years before a shipment ever leaves a warehouse. Our team stakes its reputation on catching problems early and listening to project feedback when things go right—or wrong. The analytical team checks each batch closely, tuning method sensitivity to catch contaminants at sub-ppm levels. This protects everyone downstream. Every site tour, customer audit, or inspector visit adds new perspective, pushing us to up our standards and avoid complacency.
Practically, that means starting every day knowing that what comes off the line sets someone else up for success—or for trouble. No batch moves out until every box is checked, from spectral confirmation to hands-on texture and appearance tests. In this industry, details matter. It’s not about hitting the bare minimum. It’s about accuracy at every step, backed by people who see the consequences of their work in the real world.
Long-term partners know that supply chain headaches don’t disappear by buying further up the line. At the source, every solution is built from firsthand technical experience, openness in records, and a willingness to rethink a process if it means better outcomes. Our sales and technical staff came up through the lab, through engineering, through years spent making these molecules day in and day out. They answer hard questions because they’ve lived them.
Nothing beats direct source accountability. No intermediary can promise the same traceability or process control as the hands mixing and filtering right here. Working directly with the manufacturer gives every customer more than a molecule—it brings a partnership built on reliability, transparency, and continuous technical discussion. Over time, that deep collaboration means more projects working the first time, higher yields, and less troubleshooting on the customer’s floor. The chain from raw input to final usage stays unbroken.
Looking forward, every innovation in our production approach for 1-(3-Hydroxyphenyl)-2-Thiourea builds on decades of small tweaks, not grand redesigns. Day after day, year after year, we hone our process based on what delivers the best outcome for real-world users. Whether it's a novel pharmaceutical project, advanced materials push, or research trial, the hands-on attention paid to every batch ensures each lot matches or surpasses expectation.
That ongoing investment in quality and in people isn’t a slogan or a stock line—it shows in stories we swap at shift changes, in records checked at midnight, in every solution shared with a project team facing the next big challenge. The role of a specialty chemical manufacturer doesn’t end at production; it extends into fielding questions, solving problems, and sharing the hard-earned tricks of the trade. Across every sector, no one cares about the outcome like the people who made the product from scratch.