|
HS Code |
916868 |
| Chemical Name | Pyrocatechol, 3-Methyl- |
| Other Names | 3-Methylcatechol; 3-Methyl-1,2-benzenediol |
| Cas Number | 488-17-5 |
| Molecular Formula | C7H8O2 |
| Molecular Weight | 124.14 |
| Appearance | White to pale yellow crystalline solid |
| Melting Point | 104-106 °C |
| Boiling Point | 265 °C |
| Density | 1.17 g/cm³ |
| Solubility In Water | Soluble |
| Odor | Phenolic |
| Flash Point | 150 °C (closed cup) |
| Pubchem Cid | 10330 |
| Smiles | Cc1cccc(O)c1O |
As an accredited Pyrocatechol, 3-Methyl- factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | The packaging for Pyrocatechol, 3-Methyl- (100g) is a sealed amber glass bottle with a secure screw cap and hazard labeling. |
| Shipping | **Shipping Description for Pyrocatechol, 3-Methyl-:** Ship Pyrocatechol, 3-Methyl- in tightly sealed containers, protected from light, moisture, and incompatible materials. Handle as a hazardous material—label correctly and use secondary containment. Follow all local, national, and international regulations for chemical transportation. Ensure appropriate documentation and emergency contact information accompany each shipment. |
| Storage | **3-Methylpyrocatechol** should be stored in a tightly closed container, in a cool, dry, and well-ventilated area away from sources of ignition and incompatible substances such as oxidizing agents. Protect from moisture and direct sunlight. The storage area should be equipped for chemical spills and labeled appropriately to ensure safe handling and easy identification. Handle using proper personal protective equipment. |
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Producing chemicals like Pyrocatechol, 3-Methyl- often calls for a deeper dive beyond the usual product description. This particular molecule—often referred to as 3-Methylcatechol—emerges during specific synthetic routes involving methylation of catechol bases. The molecular formula runs C7H8O2 with a molar mass that confirms to high-purity laboratory calculations. Working directly within the manufacturing process, we experience first-hand the subtleties that set this compound apart. We observe, for instance, how slight modifications in raw material quality or reaction temperatures lead to measurable effects on final product purity and handling properties.
Our batches of 3-Methylcatechol typically crystallize to a solid or appear as a pale, slightly oily liquid based on the storage conditions and batch scale. The preferred form in large-scale manufacturing hinges on ease of downstream packaging and minimization of loss during handling. Melting points typically line up with reference standards—somewhere between 48 and 53°C—with variations explained by the presence of minor isomeric impurities. Assessment by NMR or HPLC reveals the effect of production tweaks: something as simple as reagent rinse time can shift those numbers, a point we always watch when tightening batch repeatability. As chemists committed to the craft, these little things carry weight, because even small upsets can reflect downstream by way of customer feedback or analysis reports that don’t quite match the internal spec sheets.
Much is said about purity among traders and technical sellers, though as manufacturers we see why those numbers matter from the source. Pyrocatechol, 3-Methyl- produced by us regularly achieves 99% or better by GC analysis. That bar doesn’t happen by accident. Our teams troubleshoot the process from the ground up: sourcing methylation agents with reliable assay guarantees, maintaining strict reaction temperature profiles, and sampling at every phase of the work flow. Trace residuals—mostly phenolic byproducts or unmethylated catechol—are monitored not just as a compliance matter but to preempt variability that could create headaches downstream, especially for end-users in demanding applications like pharmaceuticals synthesis or fine chemical production. Consistency at this level comes from direct experience, not outsourced promises, and it manifests in the confidence that formulators have placing repeat orders over many years.
Direct application tells us more about Pyrocatechol, 3-Methyl- than any technical datasheet. Within our own production site, it serves as a starting point for a range of downstream products, especially those in the agrochemical and pharmaceutical intermediates clans. Researchers value the extra methyl group at the 3-position for the unique reactivity it brings; it provides a subtle increase in electron richness compared to unsubstituted catechol and gives synthetic chemists extra flexibility during cross-coupling steps, protection-deprotection schemes, and oxidation-reduction cycles. The fragrances and flavors segment draws on the nuanced aroma profile this molecule delivers. End-users seeking targeted blends use it for its phenolic tang, which carries specific components in complex olfactory notes.
Tannins and dyes manufacturers look to 3-Methylcatechol for its controlled oxidation characteristics. Processes that depend on predictable redox behavior—like leather tanning or high-grade dye production—benefit from the controlled oxidative transformation that the methyl group encourages. On the research side, university and private lab partners order small batches for developmental work. We ship these in specialized jars to prevent contamination; from our perspective, the main challenge lies in matching small-lot purity with bulk-scale consistency, a balance that is refined over years rather than months.
Our commitment as actual manufacturers develops over the full arc of each production cycle. Pyrocatechol, 3-Methyl- does not simply spring forth at specification; it comes from meticulous process control, regular equipment maintenance, and data logging at every run. Reaction vessels, for example, require specific linings to avoid corrosion from methylating agents. Any trace residue left from another phenolic process can alter product color or odor, issues best resolved by hands-on intervention rather than theory.
Raw material quality stands out as a persistent variable. Sourcing catechol with low organic impurity and matching our methylating sources to those impurity profiles helps maintain high batch reproducibility. Each lot’s organoleptic checks—performed by a trained team—detect outliers that machine analysis can sometimes miss. These practical checkpoints protect both us and our customers from unexpected surprises in finished formulations or downstream syntheses.
Not all catechol derivatives behave alike, and everyday contact with the material sharpens our view on their key differences. The presence of the 3-methyl group in Pyrocatechol, 3-Methyl- subtly affects both solubility and reactivity. Our teams have watched customers try to substitute it with standard catechol or its di-methylated cousins, only for solubility during formulation or color development to fall short. Reactions calling for fine-tuned ortho- or para-selectivity can sometimes falter when switching between closely related molecules. For manufacturers, these lessons get built into advice we give partners: a generic catechol will not reliably stand in for the methyl variant, despite surface similarities in chemical structure.
On the industrial floor, easy confusion between isomers has pushed us to develop better analytical checks and inventory segregation methods. Slight differences in methyl group placement show up in melting point ranges and GC elution times, and mislabeling risks major upsets for anyone running tight batch recipes. Day-to-day, we orient our process controls so these pitfalls do not get transferred beyond the factory, reinforcing reliability at the application site whether it is a pilot plant or a full-scale production line.
Storage and logistics pose their own set of challenges beyond the confines of a laboratory. Our process uncovers that Pyrocatechol, 3-Methyl- keeps best under cool, dry, and oxygen-poor conditions. As little as a degree’s fluctuation in ambient warehouse temperature can induce minor color shifts or form faint peroxides, so temperature control isn’t just a technical requirement—it’s practical wisdom earned through repeated lessons. For bulk shipments, lining containers with inert liners and ensuring minimal headspace restricts oxidative degradation.
Many of our logistics headaches have come from failures in transit control, prompting us to invest in temperature trackers within packaging. This up-front cost reduces returns and complaint ratios at the customer end, improving batch acceptance. Similar care is taken in labeling: chemical shorthand can be a source of mixups, so we include extra checks to confirm lot details match both regulatory and batch records before a single drum leaves the warehouse. The investment here is less about compliance and more about maintaining the trust built over years with repeat buyers—misdelivery or mislabeled drums damage this more than any technical specification.
Manufacturers feel the impact of regulation up close. Pyrocatechol, 3-Methyl- slots under various regional hazard codes due to its phenolic base and low volatility. In the factory, we train our teams on direct handling using tested PPE; the phenolic vapor can cause acute irritation, and spills on open skin create rapid absorption concerns. These aren’t abstract risks—they’re faced any time a drum lining splits or sampling requires a quick changeover.
From an environmental standpoint, waste streams from the methylation process must be neutralized before discharge. We monitor effluent pH and phenol content to below regulated limits, tuning this feedback into our daily operations, not just our annual reports. In the early years, we learned through events where delays in waste treatment led to regulatory scrutiny and sharp lessons in batch scheduling. Adhering to evolving standards protects our processes but also keeps local communities and workers safer—a responsibility that doesn’t end with a signed shipping form.
In handling countless orders over the years, it becomes clear how critical customer feedback is to process refinement. A small difference in melting range or residual color can disrupt downstream operations, especially in dye or intermediate manufacturing. Partners in pharma and R&D routinely compare incoming lots via analytical fingerprint, quickly spotting outliers that might slip past less robust internal controls. We value these reports—they often point out areas where reactor temperature profiles need tighter control or purification steps require an extra pass.
Every time an issue reaches us, the factory teams convene brief sessions to review logs, sample storage, and upstream supplier changes, then act immediately. For customers transferring from another supplier, transition batches run in parallel, and direct operator notes inform adjustments so the downstream formulations work as smoothly as their legacy materials. This form of iterative lot improvement is only possible through close engagement and direct responsibility for every production run—not something an arm’s-length broker or distributor experiences in the same way.
Process improvement remains a constant, not a checklist. New routes for methylation continue to be explored, aimed at reducing side-product burdens or allowing higher throughput without risking core purity standards. Fluctuating costs in key raw materials—especially catechol—press on operational margins, prompting ongoing discussions with suppliers and R&D teams. Automating data capture has helped, as direct sensor feedback on temperature, pH, and by-product formation allows prompt action before issues escalate.
Looking outward, evolving regulatory expectations prompt new investment every year. Requirements reflecting environmental toxicity, occupational exposure, and hazardous transport all circle back to the plant floor. Upgrading emission scrubbers or reworking waste neutralization simply forms part of running a safe, sustainable operation. As manufacturers, our aim is always practical: keep product moving, maintain trust, and keep the next regulator visit routine rather than reactive. Each challenge turns up new improvements, and through steady attention to these shifts, long-term customer reliability is maintained.
Pyrocatechol, 3-Methyl- stands as more than just a chemical entry on a database. Every technical value, from melting point to GC chromatogram, emerges from choices made—sometimes minute ones—on the production line, ingredient sourcing, and batch consistency protocols. Our focus as manufacturers revolves around preserving that quality through vigilance at every stage: raw material procurement, reaction condition optimization, purification, packaging, and delivery. Each order, whether destined for a lab bench or an industrial reactor, carries the mark of decisions made behind the scenes. This is how a chemical becomes not just a commodity, but a result of accumulated practice and earned trust.
Each year exposes new challenges and insights, yet strong foundations in manufacturing discipline, feedback responsiveness, and firsthand accountability ensure that Pyrocatechol, 3-Methyl- keeps earning its place in critical applications. This practice of building reliability into every drum and every shipment remains the core of what it means to work as a manufacturer—and it shapes the tangible quality that end users come to count on.