|
HS Code |
957211 |
| Cas Number | 608-25-3 |
| Molecular Formula | C7H8O2·H2O |
| Molecular Weight | 142.15 g/mol (anhydrous), 160.17 g/mol (monohydrate) |
| Synonyms | 5-Methyl-1,3-benzenediol monohydrate; 3,5-Dihydroxytoluene monohydrate |
| Appearance | White to off-white crystalline powder |
| Melting Point | 95-98°C (monohydrate) |
| Solubility | Soluble in water, ethanol, and ether |
| Purity | Typically ≥98% |
| Ph 1 Solution | Approx. 5.0-7.0 |
| Storage Conditions | Store in a cool, dry place, tightly closed |
As an accredited 5-Methylresorcinol Monohydrate factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | The 100g 5-Methylresorcinol Monohydrate is packaged in a sealed, amber glass bottle with a tamper-evident cap and clear labeling. |
| Shipping | 5-Methylresorcinol Monohydrate should be shipped in tightly sealed containers, protected from moisture and incompatible substances. Store and transport under cool, dry conditions, typically at ambient temperature. Ensure compliance with local regulations for chemical transport, using appropriate hazard labeling. Avoid exposure to direct sunlight or extreme temperatures during transit. |
| Storage | 5-Methylresorcinol Monohydrate should be stored in a tightly sealed container, in a cool, dry, well-ventilated area away from heat and incompatible substances such as strong oxidizers. Exposure to moisture should be minimized to preserve product integrity. Protect from direct sunlight and avoid extreme temperatures. Follow all relevant safety data sheet (SDS) instructions for safe storage and handling. |
Competitive 5-Methylresorcinol Monohydrate prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please call us at +8615380400285 or mail to sales2@liwei-chem.com.
We will respond to you as soon as possible.
Tel: +8615380400285
Email: sales2@liwei-chem.com
Flexible payment, competitive price, premium service - Inquire now!
Every batch of 5-Methylresorcinol Monohydrate tells its own story, defined by clean chemistry and years of technical experience. Our labs have been dedicated to the synthesis and refinement of methylated resorcinols for decades, focusing on providing what real-world formulators and researchers demand: accuracy, stability, and cost-efficiency. This monohydrate compound—also known in technical circles as 3,5-dihydroxy-toluene monohydrate—emerges as a preferred choice due to its reliable reactivity, consistent quality, and ease of integration into complex formulations.
Our process is all about ensuring uninterrupted crystal clarity and chemical consistency, achieved through tight control over reagents, temperature, and filtration throughout production. Most of the 5-Methylresorcinol Monohydrate we manufacture appears as a fine, almost white to pale beige crystalline powder. The typical purity exceeds 99%, with moisture content tailored at around 7–8% for monohydrate stability—always verified by Karl Fischer titration and spectroscopic checks. Particle size and bulk density reflect the needs of downstream synthesis, not just arbitrary specification targets.
Routine GC, HPLC, and FTIR analyses back up every shipment so that no end user gets a surprise mid-project. Inside our own R&D, we check that each lot remains stable over long storage, especially in humid conditions. This discipline doesn't just meet a paper standard; it reflects the fact that downstream reactions depend on purity. Even a small uptick in carbonate or other byproducts can result in color change, inconsistent yield, or downstream gelation issues.
Over time, our partners have used 5-Methylresorcinol Monohydrate in ways we couldn't have originally predicted, though certain core applications dominate. The compound’s hydroxy methylated ring delivers predictable reactivity, particularly in the manufacture of high-value dyes, photographic coupling agents, antioxidants, UV absorbers, and analytical reagents. These fields rely on toluene-derived phenols that don’t introduce position isomer contamination or unexpected catalytic side reactions.
In hair dye intermediates, formulators appreciate the way our monohydrate outperforms the anhydrous or impure grades, reducing risk of ammoniacal odor or off-shade results. For resins and adhesives, the monohydrate is valued for its high assay and reproducible hydration state—there’s no guessing as to how much water is present or how it might affect a thermosetting reaction. In pharma and analytical test manufacturing, the tight control over byproducts and low heavy-metal content meets requirements for secondary reference standards.
The difference starts even before a bench chemist or engineer weighs out the powder. Drying, packing, and testing each kilogram has one goal: minimize batch-to-batch drifts and eliminate those micro-contaminants that can snowball in a sensitive reaction. That matters in industrial production far more than most specification sheets suggest, and it reduces run-to-run troubleshooting and wasted time in scale-up or pilot plants.
Folk sometimes ask if 5-Methylresorcinol Monohydrate can stand in for other resorcinols or methylated phenols. It's a fair question, as chemical supply disruptions or cost pressures make people look for smart substitutions. Yet experience shows that the chemistry isn’t as interchangeable as the scaffold structure might suggest. Compared to resorcinol or 4-methylresorcinol, the 5-methyl group positions reaction centers differently, impacting both yield and post-reaction workup.
In our own quality labs, we've spent time testing where manufacturers experience trouble swapping between grades: catalytic hydrogenations might stall due to altered electron density; azo dye coupling steps can give a shifted spectrum or unanticipated side tints. When testing adhesives or specialized plastics, our technical team notices that water content—the monohydrate’s very nature—has a predictable but fixed contribution to cure speed and final strength. Adjusting for this is easy once the hydrate level stays reliable, but nearly impossible when feedstocks come from traders who blend batches or fail to control storage.
Practical chemists value this monohydrate because it sidesteps many of the headaches that come from less-controlled products: no dusting loss during transfer, no caking in glassware, and less need for re-crystallization at point of use. We don’t sacrifice speed for tradition: every modern packaging step, from vacuum-sealed low-moisture bags to nitrogen-flushed drums for large users, reflects years spent troubleshooting with actual customers.
Running a chemical plant gives you respect for the realities of scaling up a sensitive organic reagent like 5-Methylresorcinol Monohydrate. Raw material control makes the difference between a smooth campaign and a costly stoppage. We source toluene derivatives from long-trusted suppliers, and we triple-check identity by NMR and GC-MS before final reactions. Water used for monohydration always meets high-purity standards—no mineral residues or microbial contamination that could trigger browning during drying or packaging.
On the plant floor, we have seen how overlooked steps—like incomplete drying or poor sealing—show up months later as lumps, darkening, or even pressure build-up from gradual hydrolysis. Our packaging team uses liners and continuous-weld bags designed to reduce contact with air and moisture. These may sound like small details, but missing them jeopardizes quality and can lead to expensive returns or dangerous incidents at a customer site. None of our customers want a product that caked into a brick or left a brownish residue in their glassware.
Safety doesn’t stop at the fence of our facility. Our teams track everything from air emissions to wastewater chemistry, and everyone from shift operators to shipping coordinators receives annual hands-on safety and handling training. We share this experience with customers (beyond just regulatory documentation) to help reduce risk at their sites too.
Demand for 5-Methylresorcinol Monohydrate remains steady worldwide. This reality brings its own challenges, especially on the environmental front. Over many years, we've streamlined our methods to curb waste, recover solvents where feasible, and cut process water use by investing in efficient reactors and improved condensation systems.
Household resorcinols and similar phenolic compounds carry a legacy of regulatory scrutiny due to possible environmental persistence. That’s part of the reason we reduce organics below strict thresholds in all wastewater sent to municipal treatment. Internal audits look for ways to repurpose side streams as process cleanings or support materials, diverting what once would have gone for costly disposal. Plant upgrades fetch their cost back, too, since resin and dye intermediates leave little room for regulatory infractions or halts.
On a broader level, we follow trends in restrictions on phenols and derivatives, keeping our formulation research a step ahead. Regular contact with authorities, combined with robust QC archives, ensures that our customers do not face sudden compliance surprises either locally or for export. Whenever relevant, our lot data includes eco-toxicological test results—not just the legally required minimum.
One of the more rewarding aspects of working directly with 5-Methylresorcinol Monohydrate is supporting novel applications as customers’ needs shift. Many academic and private R&D groups reach out for help with scaling from a milligram bench test up to several kilograms. Our technical staff often consults directly on practical handling, storage, and set-up tips that save both time and consumables for project teams.
Where scale-up runs hit trouble (unexpected color formation, odd melting points, shifts in FTIR), we troubleshoot using both our in-house library of historical runs and actual side-by-side repetition. Large contract synthesis lots—especially those for international clients—get tailored logistics. Sometimes we even blend to tighter moisture or mid-range particle size specs, as long as these align with chemical stability.
R&D isn’t just something that happens in labs. Every improvement—tighter moisture bands, safer packaging, better labeling—results from customer feedback and the confidence that comes from fixing small but nagging technical problems. Packing samples for customers’ method validation or stability studies comes routine, not as an exception.
Not every batch works for every formulation, and we don’t pretend otherwise. If a custom process calls for an anhydrous version or a specific particle cut, we’ll produce pilot quantities and run dual-lot comparisons for clients. It’s all about reducing costly surpluses and failed trial batches.
Traders and middlemen often float on the surface of the chemical industry, making claims without hands-on plant experience or a stake in the outcome. Years of direct manufacturing have taught us that end uses drive technical choices. 5-Methylresorcinol Monohydrate simply cannot play the stand-in role if the application calls for another isomer, higher hydration, or specialized purity profiles.
Every time a customer reaches out with an unexpected reaction pathway or trouble in downstream blending, our chemists dive straight in—no third-hand speculation or vague advice. For example, substitution tests often reveal that side impurities (like cresols or non-phenolic analogs) in competitor’s supply disrupt both analytical yields and product safety, especially for high-stakes medical or food contact applications. We don’t hesitate to reject raw materials or halt a campaign when QC signals a problem.
Lab checks do not just cover paper targets. Each batch leaves our gates with full traceability—batch logs, analytical scans, and stability records attached. Our team keeps active records on customer feedback, with regular reviews guiding formulation tweaks and triggers for equipment upgrades or supplier changeover.
Over time, feedback from practical users has shaped both our production methods and ongoing research. Customers working in high-purity dye synthesis value not just the assay but how the monohydrate performs during storage: when a batch clumps or absorbs more water than it should, consistent results become unreachable. Our approach centers on responding fast—each notice from a partner lab or manufacturer about drift in quality, shipment damages, or unexpected reactivity leads to investigation and, most often, immediate corrective action. No product, no matter how well formulated, survives without this loop.
Mistakes in this industry carry real costs: lost production runs, regulatory penalties, and sometimes reputational harm. That’s kept us vigilant on QA and quick to spot early warning signs. Frequent customer reviews, independent proficiency checks, and a commitment to full disclosure set the tone for all interactions with buyers and development partners.
Manufacturing isn’t a static process; it evolves in line with new regulations, shifting customer demands, and better chemical engineering. Over the past five years, updates to both plant equipment and analytical instrumentation have deepened our confidence in each lot shipped. The more our industry moves toward green chemistry, zero-waste targets, and stricter traceability, the more attention every producer must pay to their upstream choices.
With 5-Methylresorcinol Monohydrate, these industry moves manifest in small but significant changes: less reliance on energy-intensive dehydration, smarter use of process heat, and an openness to customer-requested tweaks in product handling. Some of the old-line thinking—that every batch must match the past exactly—has yielded to smarter, application-driven modification, as long as it never sacrifices purity, safety, or documentation.
As emerging fields like advanced coatings, nanocomposites, and medical diagnostics grow, demand for specialized methylphenols will only rise. Manufacturers who stay in touch with ground-level realities—what happens when a sack of powder opens, how long it stores on a shelf, how it behaves in scalable pilot runs—remain best positioned to solve those practical bottlenecks that impair R&D and commercial timelines.
Producing 5-Methylresorcinol Monohydrate in bulk is nothing like working with off-the-shelf lab reagents. Every step, from sourcing raw phenol to final drying and packing, shapes a product that fits the real-world demands of industry and research. This compound stands apart not through abstract purity claims or simple cost-per-kilogram analysis, but through hands-on improvements made over years of technical collaboration with end users.
Those who rely on it for color chemistry, resin cure, antioxidant development, or analytical synthesis learn quickly how much small quality differences matter. A manufacturer with feet on the factory floor, ears open to lab technicians’ headaches, and technical pride in predictable results shapes every lot—not just a static product, but a living solution to real process challenges. No shortcuts, no vague assurances, just proof in the process and results visible at every bench, every scale-up, and every final product.
