|
HS Code |
209728 |
| Cas Number | 2581-34-2 |
| Molecular Formula | C7H7NO3 |
| Molecular Weight | 153.14 g/mol |
| Iupac Name | 4-methyl-3-nitrophenol |
| Appearance | Yellow solid |
| Melting Point | 96-99°C |
| Solubility In Water | Slightly soluble |
| Density | 1.34 g/cm³ (approximate) |
| Smiles | CC1=CC(=C(C=C1)O)[N+](=O)[O-] |
| Pubchem Cid | 204436 |
| Synonyms | 4-Methyl-3-nitrofenol, p-Cresol-3-nitro |
As an accredited 4-Methyl-3-Nitrophenol factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Amber glass bottle, 100 grams, with screw cap. White label displaying "4-Methyl-3-Nitrophenol," hazard symbols, lot number, and CAS. |
| Shipping | 4-Methyl-3-Nitrophenol should be shipped in tightly sealed, chemical-resistant containers, clearly labeled according to regulatory standards. Protect from moisture, light, and incompatible substances. The package must comply with relevant hazardous materials regulations, including UN identification and safety data (SDS). Transport by certified carriers using appropriate hazard labeling and documentation to ensure safe handling. |
| Storage | 4-Methyl-3-nitrophenol should be stored in a tightly sealed container, away from light, heat, and moisture. Keep it in a cool, dry, well-ventilated area, separated from incompatible substances such as strong oxidizers and bases. Proper labeling is essential, and the storage area should be equipped for spill containment and accessible only to trained personnel. |
Competitive 4-Methyl-3-Nitrophenol prices that fit your budget—flexible terms and customized quotes for every order.
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4-Methyl-3-Nitrophenol is a specialty aromatic compound we have made in our facility for many years. Our team sees its yellow crystalline form move from small-batch kilns to packaging rooms every week. This substance does not just fill orders for laboratories—it shows up in crop protection agents, pharmaceutical building blocks, veterinary treatments, and even dyes. Each batch reflects a recipe we developed from research, field feedback, and hands-on troubleshooting.
The route from raw phenolic feedstock to 4-Methyl-3-Nitrophenol passes through controlled nitration. We invest heavily in clean processes, tight temperature control, and monitoring for byproducts. This keeps purity consistently above 99%. The result: researchers and production engineers can count on reliable melting points, clear GC traces, and standardized handling in every shipment. The molecular formula, C7H7NO3, marks both a technical achievement and a practical tool for other synthesis routes.
The users we talk to most frequently order 4-Methyl-3-Nitrophenol to serve as an intermediate. In the field of agrochemical research, this product can help create molecules that control insects or weeds but leave crops unharmed. Its blend of electron-donating methyl and electron-withdrawing nitro functions creates a platform for further modification, making it more versatile compared to simpler nitrophenols.
We often field questions about batch stability, shipment in different seasons, and how we test for trace impurities. The answers come from years of observation, not just documentation. Spectral checks, color stability, and residue reduction happen right before packaging, not just on paper. Warehouse workers and operators flag unusual product appearance, catching variation early. That direct attention to detail means that the container arriving at a customer's bench matches earlier orders—down to the crystalline sparkle.
Unlike some nitrophenol derivatives, 4-Methyl-3-Nitrophenol handles exposure in the lab with steadier shelf life and less dusting. This lets researchers work longer before opening a new bottle or needing to filter contaminants. Over time, we learned that customers value less breaking or caking in storage, so we adapted both drying and milling setups. These changes do not show on a formal property sheet, but the people using the material in real reactors and beakers understand the difference right away.
In pharmaceutical synthesis, small changes in starting materials often spell the difference between wasted solvent and scalable output. 4-Methyl-3-Nitrophenol supplies an efficient starting ring for chemists building more complex structures. The methyl group in the para position opens additional substitution routes that simpler nitrophenols do not allow. This translates into higher yields in downstream reactions and less waste disposal—a major concern for pharma teams under pressure to minimize cost and environmental impact.
Our operators regularly sit with visiting researchers to compare batch notes, study crystal habit, and tweak crystal size by small changes in cooling rates and solvents. Some modifications arose after a series of clogging issues in a large customer’s continuous reactor. Because we run dedicated lines with traceable lots, we introduced staged crystallization that prevented oversized particles without sacrificing throughput. That direct feedback loop rarely makes headlines outside the plant, but it prevents a lot of frustration for teams who turn our product into lifesaving or crop-protecting compounds.
The regulatory situation for nitrophenol derivatives has not stood still in the last decade. Certain regions imposed strict reporting on residual byproducts, especially isomeric forms of methyl nitrophenol. Our regulatory experts work closely with international partners to update compliance documentation, but more importantly, production supervisors implemented extra filtration and trace impurity analysis well before rules changed. This kept lead times reasonable, with most samples approved for import—avoiding expensive reworking for downstream users.
We have also expanded our ability to offer customized paperwork: product traceability, lot-specific impurity profiles, or user-requested spectral documentation. The investment streamlines the laboratory registration process for our customers, helping them compete in fast-moving global chemical markets. Many distributors rely on paperwork alone; we offer the real process behind it, grounded in practical plant-floor knowledge and live system audits.
Our operators have worked long enough with nitrophenols to recognize their hazards and ensure safe handling. We set up closed loading points and climate controls early, cutting down exposure risks. Medical checks and in-house hygiene training remain routine, teaching new recruits not only good lab practice but the reasoning behind it. Employees frequently propose lower-dust options, smaller drum packaging, and staggered operator schedules—all of which keep safety performance strong.
We do not take lightly the risks posed by nitrogen-containing compounds. Extra ventilation, spill detection, and regular effluent analysis ground our daily routine. Each incremental safety item arose from records, not just regulatory checklists. Neighboring households call our hotline if they suspect unusual odor; we investigate every case. Our wastewater plant runs independent checks for nitroaromatics, and community inspectors tour the site throughout the year. Over time, more transparent policies reduced local complaints while maintaining production volume.
Most technical enquiries for 4-Methyl-3-Nitrophenol begin on the sampling bench. Researchers compare melting point, solubility, and behavior in downstream coupling steps. We provide not just historical data but fresh samples from recent batches. Shipping support does not end at the dock. Overseas clients look for temperature-resilient pack-outs and backup documentation at customs. We created packing designs that buffer against both summer heat and winter cold, protecting the crystalline structure during transit.
Repeat clients often ask how our 4-Methyl-3-Nitrophenol differs from typical 2- or 3-methyl nitrophenol grades. From the chemist’s bench to pilot lines, the 4-methyl version brings distinct substitution patterns. It stands up better to oxidative steps, and the methyl group’s position directs functionalization that gives more consistent yield. This difference lets technical teams pick a more predictable synthetic path with fewer side reactions—especially helpful for scale-up work. The feedback we gather from real process runs shapes future modifications in purification and milling.
In logistics, moving crystalline material from our plant to an end user involves more than freight booking. Customs paperwork, local agency notifications, and specialty carrier vetting all factor into each shipment. Over time, we set up direct lines with most regional hazmat carriers, reducing delays that can cripple a development timeline. We do not rely on off-the-shelf supply chains; each shipment refines the path forward for large-scale clients.
Talking directly with field users taught us the value of reliability. Buyers who once picked cheapest spot market options learned, sometimes through difficult experience, that product inconsistency means failed reactions and costly investigations. Procurement officers and lab managers now emphasize repeatable quality records, consistent fine powder texture, and spending less time handling supplier variation. Our operation maintains batch logs going back years, which helps resolve questions about process tweaks, impurity trends, and unforeseen scale-up changes.
We study the chain of support that extends from our team to the chemist’s bench through to the final formulated product. Expanded feedback loops—email reports, technical visits, remote sampling—bring real improvement to purity control and packaging design. It’s not just a matter of price per kilogram: reliability becomes most visible in the middle of a pilot scale-up or in regulatory review, where suppliers with hands-on manufacturing control can prove their claims. Our customers return not just for what is in the bottle, but for the track record standing behind it.
4-Methyl-3-Nitrophenol output grew over the years, scaling from kilo-lab syntheses to regular industrial runs. This change required reinvestment in raw materials forecasting, process troubleshooting, and plant safety. Starting with small reactors, teams evaluated solvent reuse pathways, crystallization tweaks, and environmental emission controls. Changes came after repeated scale-up experiments, survey feedback, or insight from quality audits. Each improvement had to prove its worth on the floor—not just in presentations.
At volume, things that seem minor at pilot scale—batch blending, mill cleaning, filter paper selection—affect worker safety or final purity in subtle but critical ways. We faced growth pains, including interrupted lines and filter media failures. Every misstep taught us new corrective routines and preventive answers. Today’s output reflects not just current best practices but the weight of applied lessons built up over dozens of campaigns. Small, persistent investments in drying, sieving, and solvent recirculation led to lower reject rates and higher customer retention.
Product improvements continue as customers and our own team suggest refinements. In response to downstream caking, we developed alternate particle size distributions. To address finer filtration needs, additional polish filters process the post-nitration solution. This willingness to adjust for real feedback builds trust in our client base and keeps quality tightly linked to application success.
One question arises repeatedly among users new to 4-Methyl-3-Nitrophenol: how does it compare to related compounds? Most notably, 2-Methyl-4-Nitrophenol and 3-Nitro-4-Methylphenol come up in research conversations. The position of methyl and nitro groups shapes both reactivity and safety. In practice, the 4-methyl attachment favors certain ring-opening or ring-substitution reactions, resulting in intermediate compounds not reachable from the other isomers. In biocidal formulations or pesticide R&D, performance shifts substantially with this orientation; downstream selectivity often improves and byproduct profiles change.
Another overlooked factor: product aging in storage. Crystalline 4-Methyl-3-Nitrophenol from our process outperforms softer, more hygroscopic isomers regarding shelf stability. The product keeps its form and purity in sealed drums, important for labs with intermittent use cycles. After hearing about user difficulties with competitor materials turning sticky, we increased drying stages and improved liner seals on every outgoing drum. Our users see longer-lived reagent batches and spend less on loss recapture or waste disposal.
Some buyers look at lower-cost options without considering filtration burdens or the labor to treat excess fines and visible residues. Ultra-high purity batches include extra filtration and solvent rinsing, valued by regulated pharmaceutical clients. The technical choices happen in real time, matching needs for benchmark laboratory work or continuous scale agrochemical production.
Direct engagement through site audits, sample exchange, and post-shipment reviews shapes the way we evolve 4-Methyl-3-Nitrophenol. Researchers share reaction failures, crystal handling hiccups, and regulatory pressures that impact their programs. We study recovered samples to uncover sources of unwanted side products or shocks in process reliability. On one occasion, feedback about bottle capping led us to introduce a new tamper-proof seal, reducing field contamination and increasing recall accuracy for warehouse teams.
We keep an open channel with customer development chemists, learning not just the end reaction but the day-to-day handling needs. This turned up issues in cold-weather drum transport, which prompted packaging insulation changes and new moisture monitoring in long-haul routes. Some clients deploy our product in continuous flow reactors, reporting on filter clogging or color stability; our technical team brings back those lessons to the batch shop, tuning purification or sieving steps accordingly.
Our trajectory for 4-Methyl-3-Nitrophenol leans on continued site modernization and tighter environmental risk controls. Expansion planning in recent years included larger scrubbers, broader effluent monitoring, and investment in lower-emission process steps. We place high value on both internal feedback loops—operators updating SOPs after near-miss events—and external signals, like shifting international requirements or downstream user demands.
Recent orders have trended toward higher-purity, lower-moisture, and more rigorously documented output. We answer these demands with incremental cyclings of purification, finished product screening, and lot-specific certification. Dialogues with universities and contract manufacturers help steer process changes, particularly as regulatory pressures shift or new synthetic methods bring fresh requirements. Our philosophy: field-driven change improves both quality and customer trust, outpacing generic compliance checklists.
Supplying 4-Methyl-3-Nitrophenol means more than moving containers from raw stock to staged loading bays. Each improvement at the plant comes from a cycle of attention—operator observation, user feedback, technical troubleshooting. Plant upgrades and process shifts happen because tenured staff raise concerns, not just because management issues top-down directives. This approach drives both reliability and meaningful safety and quality upgrades.
End users in agrochemical research, specialty synthesis, and pharmaceutical development face high stakes in both commercial and regulatory settings. By working from the manufacturing floor, not just a remote office, we answer their needs with hands-on, tested solutions. The difference between a good and great supplier grows clearest under real-world trial, crisis, or last-minute technical reviews. Our ongoing investments in technical expertise, plant upgrades, and open communication ensure that our 4-Methyl-3-Nitrophenol users know the full story behind every bottle, drum, or shipment.
Every kilogram reflects shared experience: plant technician insight, researcher feedback, and lessons from each scale-up stage. Our future plans rest not just on economics but on maintaining the trust of chemists, engineers, and workers who build the next generation of chemicals from the building blocks we provide. We continue refining our product and supporting our users, committed to sustainable, high-performing, and practical chemical supply for years to come.