|
HS Code |
665335 |
| Chemicalname | 2,5-Dimethoxy-Phenol |
| Casnumber | 91-10-1 |
| Molecularformula | C8H10O3 |
| Molarmass | 154.16 g/mol |
| Appearance | White to off-white solid |
| Meltingpoint | 109-113 °C |
| Boilingpoint | 285 °C |
| Solubilityinwater | Moderately soluble |
| Density | 1.21 g/cm³ |
| Pka | 9.95 |
| Refractiveindex | 1.532 (predicted) |
| Synonyms | Syringol |
As an accredited 2,5-Dimethoxy-Phenol factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | A 100g amber glass bottle labelled "2,5-Dimethoxy-Phenol," features hazard symbols, CAS number, and tightly sealed with a screw cap. |
| Shipping | 2,5-Dimethoxy-Phenol is shipped in tightly sealed containers to prevent moisture and light exposure. Packaging meets chemical transport regulations, clearly labeled with hazard information. During transit, the container is cushioned to prevent breakage. Shipping is carried out via approved carriers, ensuring compliance with local and international chemical safety standards. |
| Storage | 2,5-Dimethoxy-Phenol should be stored in a cool, dry, and well-ventilated area, away from sources of ignition and incompatible substances such as strong oxidizers. Keep the container tightly closed and protected from light and moisture. Store in a labeled, chemically resistant container. Follow standard laboratory safety procedures and local regulations for the storage of chemicals. |
Competitive 2,5-Dimethoxy-Phenol 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!
Chemists and process engineers look for certainty in raw materials, and that's something that never goes out of fashion in this business. The product we’re talking about here—2,5-Dimethoxy-Phenol (also known as 2,5-DMP or hydroquinol dimethyl ether, with CAS Number 91-10-1)—brings a level of purity and stability we’d expect from any aromatic compound going into specialty manufacturing. Over the years, we have responded to demanding requirements from pharmaceutical, agrochemical, and material science customers who rely on consistency and transparency at every step.
We synthesize 2,5-Dimethoxy-Phenol using proprietary processes designed to avoid batch-to-batch variability. Each lot offers clear transparency in melting point, water content, and organic impurity profile. To us, working with 2,5-DMP isn’t just about reaching a chemical formula but ensuring reliable supply and repeatable results on every single drum or flask. Over the last decade, requests have sharpened around solvent residue profiles and high HPLC assay (99% and above by area), since downstream transformations often cannot tolerate unknowns. It’s common for clients to perform their own benchmarks against the gasoline-thinned extractives sometimes offered on less controlled markets, and we recognize a chemical is only as useful as the certainty it brings to the table.
In our hands, 2,5-Dimethoxy-Phenol demonstrates a melting point in the 104°C to 108°C range. That seems like a small detail, but in reality, watching product after product match this narrow band assures us the synthesis and purification steps are spot on. Our production uses vacuum crystallization, which trims down extraneous moisture and removes side-products resulting from incomplete methylation. This also reduces any chances of cross contamination that would raise a red flag in pharmaceutical or catalyst use. Compared to commercial lots that sometimes come sticky or brownish, our 2,5-DMP leaves the line as an off-white to faintly cream powder. We analyze each batch for trace water content—experiments in phenolic ether rearrangement chemistry have shown anything over 0.2% water can interfere with catalyst activity. When clients ask about GC-MS or NMR spectra, we provide full documentation without hesitation because it’s the only way to build proper trust.
We’ve run this compound under various storage and transport stress scenarios: sealed in glass, drum-packed, or transferred to polypropylene. No matter the container, 2,5-DMP withstands ambient temperature shipping, with negligible caking or discoloration after several months—critical for international customers who can’t always watch the clock on supply chain transit.
Our daily business has put us in touch with R&D teams modernizing fine chemical synthesis. 2,5-Dimethoxy-Phenol features frequently as a starting material for advanced pharmaceuticals and synthetic intermediates. The methoxy groups activate the aromatic ring, allowing smooth electrophilic substitutions without unwanted ortho/para confusion, and the controlled phenolic proton helps guide regioselective transformations. Polymer scientists have requested high-purity DMP for use in optoelectronic coatings and non-linear optical materials—fields where cost of failure is too high and only rigorously tested material makes the grade. Research inquiries have shown up where teams substitute 2,5-DMP in peroxidase mimetics and aromatic coupling routes. Over the years, we’ve watched dozens of publications cite the need for trace metal or halide-free phenolic sources, and we make sure specifications line up—or we change the process until they do.
One long-standing partnership has focused on dye chemistry—azo and anthraquinone derivatives—where 2,5-DMP’s substitution pattern influences not just color fastness but thermal stability of the dye matrix under repeated washes. Colleagues in the flavor and fragrance sector have explored DMP as an intermediate en route to vanillin-like notes, since its skeletal backbone, once demethylated, provides a springboard for aldehyde variants. While demand from perfume houses remains niche, the requirements for trace solvents (ethyl acetate, toluene, methyl isobutyl ketone) have meant investing in advanced vapor phase stripping, as even a whiff of residuals can disrupt formulation. Every day the plant runs another check, even for those small volume orders, because missing a detail means the work gets sent right back or, worse, a customer’s product roll-out is delayed. That risk simply isn’t tolerable.
No two phenolic chemicals are perfectly alike for synthetic planning. 2,5-DMP provides some unique flexibility over simple hydroquinone or catechol, both in its masking of reactive sites and its oxidative stability. Time and again, researchers report that the dimethoxy pattern offers less air sensitivity, which reduces risks both for storage and in multi-step synthesis. Even in large reactors under oxygen-rich sparging, discoloration and sticky side-products have essentially vanished, costs for rework have diminished, and downstream waste treatment gets simplified. By contrast, catechol users sometimes complain about polymerization and color change within days of opening—even when working under nitrogen. Hydroquinone sits between these two, but it lacks the same degree of electron-donation, so for nucleophilic aromatic substitution, it can stall or force harsher conditions.
Overproduction in previous years, when bulk demand for methoxy aromatics flooded the market, led to some commoditization of lower spec grades—fine for high-volume plastics or cheap antioxidants. But our mainstay business now focuses on the high-end, low-impurity market, not just out of economic sense but because of the direct feedback from users who need to avoid batch rejection. Here, the raw data means everything; whether it’s tight melting points or guaranteed sub-ppm heavy metal content, chemical engineering means doing, not just saying.
Much of our approach is shaped by the steady stream of technical requests. High-throughput pharmaceutical discovery projects want larger volumes of fully traceable 2,5-DMP—with affidavits of origin included and long audit trails for the entire chain of custody. In sectors where regulatory compliance rules, it’s not enough to print certificates after the fact—the chain starts with verified, traceable raw precursor sources. We monitor all precursor material flows so that our 2,5-DMP production leaves no ambiguity over country of origin or purity claims. Every critical raw material batch undergoes incoming quality checks well before any production drums are unloaded.
We’ve had custom requests for lower particle size, solubility variation, and tailored drying protocols. For those orders, process engineers run micro-lot crystallizations and tweak cooling rates, not just to pass a lab test but to keep end-users from encountering clumps or incomplete dissolution in their reactors. Too many bad experiences reached us from customers trying to use general-purpose phenols—overheating, fouling, or uneven reaction rates. Tuning the physical characteristics of 2,5-DMP for these environments isn’t an afterthought; it’s often the difference between a result and a waste.
With new environmental expectations, questions about the environmental and safety footprint of 2,5-DMP manufacture show up more frequently. Production teams have implemented better abatement for methyl halide off-gas and water reuse plans during crystallization. For a material used at kilogram to multi-ton scales in pharmaceuticals and electronics, clean operations are more than a question—it’s a regulatory obligation and an ethical expectation. We continue upgrading waste capture and onsite analytics for trace emissions, with periodic external audits to confirm nothing gets overlooked in scales that affect hundreds or thousands of local residents.
On the safety side, 2,5-DMP presents far lower volatility and skin permeability than more reactive phenol derivatives. Still, our operators know that direct handling without proper PPE makes little sense. Training and mitigation steps, from vapor detection to ergonomic drum transfer systems, have resulted from hard-won lessons. Users in their own sites have told us similar stories—good procedures, tested in practice, let everyone get home without incident and protect the reputation of the product and the wider industry.
It’s easy to print a formula, much harder to back up every shipment with transparency and no-excuse support. Our scale of production allows for meaningful just-in-time delivery schedules, especially for customers running campaign-based manufacturing. We can reserve production blocks for contract partners needing uninterrupted supply during critical product launches—this includes everything from custom drum labelling to special purity requirements and specific palletization requests to fit automated warehousing.
As new end uses for 2,5-DMP appear in the literature and at international fairs, we keep two-way communication alive. Researchers return with questions about downstream compatibility—can our product survive their high-pressure hydrogenation line, or does it need secondary purification before their step? Sharing data and protocols helps us adapt. In some cases, a customer proposes an ambitious project using 2,5-DMP as substrate for drug candidates; we review all impurity data before greenlighting a large-scale translation. We never claim exclusivity or secret sauce—reliability and openness matter more.
To improve our own operation and product, we study every complaint and every success. Some years ago, a customer flagged sporadic off-notes in the odor profile of a lot, traceable to trace solvent carry-over. We didn’t bury the issue or shift blame; instead, we audited the condenser cleanout cycle and initiated new dry-down checks at every batch rotation. Shipping methods have also evolved, from steel drums prone to rubbing rust to lined, food-grade variants. Fewer rejections now, and the change wasn’t complicated once everyone agreed to set a new standard.
Our work with universities and industrial collaborators means 2,5-DMP will keep finding new uses and performance demands, as catalysis becomes more complex, and green chemistry standards keep rising. To us, voices from the lab bench, the pilot line, or the quality office drive worthwhile improvements. Whether it’s shortening lead times, tightening specifications, or providing better material documentation, every step starts with listening to customers and partners. If lab operators flag dusting during transfer, production adjusts the granulation process. When downstream users describe process bottlenecks, we consult on purification tweaks—never hiding behind “industry standard” as an excuse.
Not every journey ends flawlessly. Sometimes, shifting supply chains create raw material delays; in those cases, we keep partners informed and offer alternative production slots. On rare occasions, reaction schemes in customer process development have revealed unexpected byproducts tied to trace oxygen in the DMP—prompting better gas-blanketing in our process tanks. These incidents fuel new rounds of process upgrade, as no one wants to repeat an error learned the hard way. Transparency in both directions builds real trust and protects global-scale manufacturing from preventable setbacks.
On the other hand, some of our proudest partnerships stem from companies and labs who chose to stick with us after a trial, citing the reduced troubleshooting, clear documentation, and the fact that every “standard” product is actually made to serve a demanding experiment or application—not just a line in the catalog. Several of our oldest customers developed blockbuster products with 2,5-DMP as a key intermediate, and the chain of communication and service made the difference between a logistical nightmare and a well-executed launch.
Based on industry feedback, new R&D initiatives focus on improving process greenness and broadening the property profile of phenol derivatives. Teams experiment with alternative methylating agents and milder purification solvents to drive emissions down. Universities investigate the role of 2,5-DMP in new fields such as battery chemistry and recyclables-derived materials. As a production facility, we collaborate tightly with these innovators—providing lot samples, full analytical documentation, and honest feedback on what works at kilolab or ton scale. It’s not about marketing slogans; it’s a matter of helping people reach their next result with reliable, fully characterized material.
We know how critical material quality, responsive communication, and shared troubleshooting are in the margin of success or failure for every project. Our commitment is grounded in experience, not just in procedure. This is how a product like 2,5-Dimethoxy-Phenol continues to support modern industry: not as a commodity, but as an enabler for precise, high-stakes science and manufacturing.