|
HS Code |
323475 |
| Cas Number | 603-69-8 |
| Molecular Formula | C7H8O2 |
| Molecular Weight | 124.14 g/mol |
| Iupac Name | 3-methylbenzene-1,2-diol |
| Appearance | White to off-white solid |
| Melting Point | 65-68 °C |
| Boiling Point | 265 °C |
| Density | 1.17 g/cm3 |
| Solubility In Water | Moderately soluble |
| Smiles | CC1=CC(=C(C=C1)O)O |
| Synonyms | 3-Methylcatechol; 3-Methyl-1,2-benzenediol |
| Pubchem Cid | 11970 |
| Refractive Index | 1.593 (predicted) |
| Flash Point | 132.1 °C |
| Ec Number | 210-048-3 |
As an accredited 3-Methylpyrocatechol factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | The 3-Methylpyrocatechol is packaged in a 100-gram amber glass bottle with a screw cap, labeled with safety information. |
| Shipping | 3-Methylpyrocatechol should be shipped in tightly sealed, chemical-resistant containers to prevent moisture and air exposure. It must be labeled according to regulatory standards and packed with adequate cushioning materials. During transit, it should be kept away from incompatible substances and transported at ambient temperature. Follow all local and international hazardous material shipping regulations. |
| Storage | 3-Methylpyrocatechol should be stored in a tightly sealed container, protected from light and moisture, and kept in a cool, dry, well-ventilated area. Store away from incompatible substances such as oxidizing agents and acids. Ensure the storage area is equipped for handling chemicals and clearly labeled. Avoid exposure to air to minimize oxidation and degradation of the compound. |
Competitive 3-Methylpyrocatechol prices that fit your budget—flexible terms and customized quotes for every order.
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Chemical production often brings up big talk about purity, handling, and specialty products. In the world of fine chemicals, those details aren’t just points for advertising; they’re what keep entire production lines running without a hitch. Years spent manufacturing 3-Methylpyrocatechol have brought us up close with its distinct character and its role across multiple industries. This isn’t another marginal synthetic, but a compound that specialists notice immediately for its sharp, reliable behavior in demanding settings.
3-Methylpyrocatechol stands out among catechol derivatives with its methyl group at the 3-position, opening up select routes for chemical modification and improving its stability compared to plain catechol. Our technical staff has spent countless development hours refining how we synthesize, isolate, and purify this compound to control its profile—because a small impurity can have a major downstream effect. We have seen analytical tests swing a batch’s fate on tenths of a percent.
In physical terms, 3-Methylpyrocatechol comes out as a white to beige crystalline material with a distinctive mild, phenolic smell. From plant scale-up, we learned that controlling moisture and oxygen during isolation prevents color changes the market won’t accept. Our product consistently shows melting points between 107°C and 111°C—right where technical references say it should be, but our actual test sheets speak for themselves.
One fact stands above all in fine chemical supply: end users look for dependable QC data and perfect transparency about process controls. Over the years, working side-by-side with technical teams at pharmaceutical labs, flavor synthesis workshops, and university researchers, we gained insight about where analogues like 3-Methylpyrocatechol can make or break a formulation. Our product always carries a certificate tied directly to our own batch data, not repackaged from some anonymous source. That means analytical work—HPLC, GC–MS, NMR—is done in-house, and results get checked with routine reference standards. So when syntheses fail or precise grades are required, customers know they have a real dialogue, not just a bundle of paperwork.
Take water content for example. While the literature may report an anhydrous expectation, real-world substances always take on trace moisture from processing or storage. So our labs go beyond KF titration, using headspace GC with tight limits on total volatiles. This strategy kept many a client from running into unexpected side reactions or unreliable chromatography downstream.
There’s often a gap between what’s printed on a spec and what comes in the drum. Our line has crossed that gap by putting full chromatograms, spectral overlays, and re-test data against every single lot—we don’t just send a sample, we map out every detectable impurity and track them over time. This reveals subtle batch-to-batch changes most catalog distributors can’t pick up.
Typical batches range 99.2%–99.8% GC purity by area, well above published standards. Common minor impurities such as the 4-methyl isomer and traces of catechol itself get tracked and quantified. Heavy metal content sits below regulatory limits by a wide margin, monitored each batch using ICP–MS. For those in pharmaceutical R&D, these background details make the difference. We also respond to technical requests for fractionated lots—sometimes a team needs just 20 grams at 99.9% purity for specific assays, and our set-up supports that flexibility.
Our minimum order sizes start from just 10 grams for research labs up to 100 kg for bigger pre-commercial runs. Shelf-life is real, not a wishful number. Each shipment gets a stability study reference, not just a promised “best before” guess. If new findings arise, we reach out; some of our longstanding clients have revised protocols based on stability feedback we discovered in the warehouse, preventing headaches and cost overruns.
Catechols, as a family, show strong reducing power and participate in a wide swath of organic synthesis, but small changes in their ring structure define both their reactivity and handling hazards. Unmodified catechol—the parent compound—features high sensitivity to air and polymerization, making it challenging for scale-up or long-term storage. The methyl group in 3-Methylpyrocatechol acts as a protective buffer, decreasing unwanted side reactions during storage or in-process handling.
Those running aromatic substitution reactions, cross-coupling, or oxidation protocols report fewer by-products or higher selectivity when using our 3-Methylpyrocatechol than with standard catechol. Its physical properties minimize loss on drying or decomposition—even in higher humidity zones, as found in summer deliveries—while catechol’s color and purity can drop off quickly under the same conditions.
Electronics industry users point out the difference in metal impurity risk. Phenolics often leach metals from stainless steel or glass-lined reactors. We run special passivation cycles and analyze effluents for every synthesis phase to maintain ultra-low iron and chromium levels—not an afterthought from a distributor’s warehouse, but something we manage step by step in our own plant. This keeps conductivity, oxidation potential, and contamination within strict boundaries, a critical requirement for those building test platforms, circuit components, or high-precision chemicals.
Demand for this intermediate emerges from several sectors—each with its own fine-tuned requirements. In pharmaceutical research, 3-Methylpyrocatechol serves as an important precursor for migraine treatments, anti-infective molecules, and radiolabeled probes. Making these compounds demands a starting material that won’t introduce variable color, trace metals, or unexpected degradants. Orders bound for clinical projects have zero tolerance for contamination, so our staff runs extra controls like stress testing—exposing every lot to UV, heat, and air—to mimic the most punishing lab environments.
Agricultural and environmental chemists lean on the compound for its phenolic backbone in custom pesticides, herbicide research, and soil test calibrations. We’ve watched this sector grow as regulations demand ever-lower impurity levels, and downstream users depend on us to tailor the test findings to match their reporting standards. If a regulator questions a chromatogram’s spike, our technical staff can reach for the original plant log, raw NMR file, or development notes—no red tape, no supplier runaround.
Life sciences and flavor synthesis groups value high lot-to-lot consistency—especially those pursuing natural product analogues or rare-flavor ingredients. Here, the difference between a 0.1% vs 0.05% trace impurity can alter an entire sensory profiling. We supported several flavor companies through taste panel problems, running micro-scale purifications and documenting intervention steps, until the batches aligned with strict panel outcomes.
We even see demand from materials science labs using 3-Methylpyrocatechol in dye-sensitized solar cells and thin-film precursors. Roll-to-roll manufacturers cannot afford off-spec batches: one impurity peak can result in costly functional film failures. Our in-depth QA process, linked right back to the raw material lots, eliminates those headaches because adjustments happen at the plant level, not after a handling mistake in a reseller’s warehouse.
Working on hundreds of real-world cases, some patterns stand out in troubleshooting 3-Methylpyrocatechol use. One recurring issue: cross-contamination in modular reactors, especially in plants running multiple phenolic derivatives. We saw labs lose days of work because a poorly cleaned valve or gasket transferred traces from a prior run, giving false readings. Solving it called for adopting split-batch testing—analyzing both receiving and upstream lines for phenolic fingerprints, then reviewing the solvent purging steps. It also led to our own protocol refinement: critical points along our production line now undergo specific cleaning validation cycles between runs.
Another technical challenge came from oxidative side-products. Clients using impure batches experienced formation of colored byproducts in solution and had unwanted peaks in HPLC profiles. Adjusting both our atmosphere control and antioxidant treatment during packaging, we dropped oxidative impurities below 0.02%. That single tweak improved product performance across several high-throughput screening lines where only clean substrate peaks matter.
Chemists working at scale know that theoretical MSDS information only goes so far—practical storage, handling, and emergency steps form the backbone of safe large-scale work. 3-Methylpyrocatechol behaves better than catechol in many respects, but, like all phenolics, it requires respect and rigor. Our plant stores it in nitrogen-purged drums, away from acids and oxidants. Lot documentation always includes a run of volatility and off-gas testing, because minor leaks can escalate in poorly ventilated spaces.
In accidental release or exposure incidents, speed matters more than paperwork. Teams use standard-issue nitrile or neoprene gloves—it resists breakdown and minimizes skin exposure risk. If larger spills occur, washing down with copious water, followed by dilute sodium bicarbonate, mitigates acidity and reduces lingering odor. We routinely update our safety briefings in light of incident logs from partner labs and field teams, feeding these lessons back into our own protocols. In regions subject to transport vibration or climate variation, we ship with protective barriers and warning indicators for temperature excursions, so users get confidence—not just a bill of lading.
We have seen firsthand how the journey of 3-Methylpyrocatechol from raw material to finished lot carries risks at every stage. Poor-quality material picked up from impersonal traders or importers rarely matches analytical claims, and sometimes brings major batch variability, label confusion, or undetected impurities. Our technical support staff encountered numerous cases where clients spent more time verifying purity and checking batch history than actually using their material, disrupting valuable bench hours and pushing back timelines for pilot or scale-up runs.
By running every synthesis step directly, tracking every control measure, and chasing down every customer support case with transparency, we ensure immediate access to the real production story for every shipment. Our open, experience-driven process means knowledgeable customers stay in the loop every step of the way—tracing not only the grade but the context for each hands-on improvement. This difference shows itself not only in measurable technical outcomes but in the smoothness of project communications, the prevention of rework or lost deadlines, and trust built batch after batch.
Nothing in specialty chemical production stands still. We periodically incorporate feedback from technical collaborators, client audits, and regulatory changes. If a lab reports a new impurity or requests a lower detection specification, we don’t wait for quarterly reviews—our cross-functional teams update settings and apply the new controls straightaway. This approach helped us catch and define previously unnoticed side reactions, and on multiple occasions, we identified alternate purification strategies that allowed for improved throughput without sacrificing purity.
We have invested in additional spectral libraries, brought in supplier audits for raw inputs, and even adapted our own plant layout to reduce transfer line contamination risk after incidents logged in the pharmaceutical industry at large. The result is a robust, flexible operation that adapts to each new challenge while building on hard-earned experience from every batch released.
Chemical manufacturing for sensitive applications means more than hitting a set of numbers—it’s about living up to the challenge of uncertainty, batch after batch. 3-Methylpyrocatechol, though subtle in its appearance, plays an outsize role wherever precision, reproducibility, and transparency matter. Our team stands behind every shipment not with generic claims but with deep-rooted experience, full control over every production stage, and a proven track record of learning and adapting in the field. Sourcing directly from a manufacturer with feet on the ground means more than certainty in the bottle—it means real solutions, at scale, grounded in the tough but rewarding realities of modern chemistry.