© 2026 Sinochem Nanjing Corporation,
All Right Reserved
Long before anyone bothered to draft detailed MSDS sheets, chemists tinkering in cluttered labs found practical value in nitrophenol compounds like Sodium 4,6-Dinitro-O-Cresolate. By the early 20th century, the pursuit of better weed control and pest management was driving rapid advances in agrochemistry. Years of trial, error, and sometimes wild guesses eventually produced this sodium salt—a choice that made sense for a world that needed fields cleared fast and reliably. Not just a relic of the past, the compound stays relevant as conversations shift to environmental and health trade-offs in the use of legacy agrichemicals.
The real story isn’t just about one chemical sitting in a drum. Sodium 4,6-Dinitro-O-Cresolate has played a role across agriculture, railways, and even industrial cleaning. It carries the classic advantages of phenolic weed killers: sticks to its target, works with little fuss, and remains stubbornly effective against tough plant life where newer blends often fizzle. Its uses remain visible where broadleaf control and hard-surface cleaning demand more than gentle alternatives—though these strong qualities carry a price.
Yellow to orange crystals mark this compound out on a shelf. Solubility in water gives it a leg up for rapid mixing and application. Its aromatic backbone, peppered with nitro groups, brings stability for storing but little forgiveness if wrongly handled. Melting points hold steady past 170°C, making accidental decomposition unlikely at room temperature but raising eyebrows near open flames or strong reducers.
Clear labeling often separates safe storage from disaster. Attention focuses on classification, pictograms, and emergency instructions. With recognized risks to skin, eyes, and respiratory systems, proper PPE guidelines spring up in every regulations book. Faded labels or mislabeled batches create unnecessary risk, underscoring why nearly every reputable lab keeps conspicuous warnings front and center.
Most chemists remember their first exposure to nitration reactions as exercises in patience and ventilation. Making Sodium 4,6-Dinitro-O-Cresolate involves introducing nitro groups to a cresol backbone, then neutralizing with sodium hydroxide. Industrial synthesis calls for careful control; too much heat or pressure, and you swap a product for a clean-up job. Good ventilation, controlled addition of acids, and relentless monitoring of temperature help avoid runaway reactions—lessons learned the hard way in decades past.
Nitrated aromatics rarely keep to themselves. Sodium 4,6-Dinitro-O-Cresolate participates in reduction and substitution reactions, offering handles for further tuning or complete degradation. The trick is finding reaction partners that avoid generating new hazards, especially when modern disposal regulations demand accounting for every ounce. Even well-designed processes face scrutiny over toxic byproducts or persistent metabolites, driving research into safer transformations or green chemistry.
Sodium 4,6-Dinitro-O-Cresolate rarely appears under only one label. You’ll find it as DNOC sodium salt, Sodium p-cresol dinitrate, and even some trade names that make tracking toxicity data and best practices difficult. The confusion surrounding commercial aliases deserves more attention, as improper identification can produce dangerous results for handlers and the public.
No room for casual handling here. Training and supervision stay non-negotiable, especially for crews applying it outdoors or near water sources. Regulatory bodies demand spills be treated as chemical emergencies. Skin, eye, and lung protection hold equal weight whether working on a farm, at a depot, or even in research. Accidents shape policy, and the scars of past exposures motivate stricter standards every year, reminding workers and supervisors not to treat any part of the process lightly.
For years, the draw has been speed and effectiveness in weed control over hard-to-eat or resistive species. Everything from railroad embankments to urban utility corridors owed their clear lines to broad-spectrum herbicides like Sodium 4,6-Dinitro-O-Cresolate. Its persistence and activity have saved untold hours of manual labor. These gains sit beside concerns for nearby crops, pollinators, and groundwater, as off-target impacts become harder to ignore with long-term study.
Chemists and agronomists split their time now between seeking more targeted weed control agents and exploring what happens to these molecules after application. Breakthroughs in understanding soil breakdown, uptake by non-target organisms, and alternatives with fewer human health impacts stem from the debates kicked off decades ago. Research now leans into rapid detection methods and remediation strategies for old contamination—a dual approach: manage the old risks while creating options with fewer strings attached.
Health studies on Sodium 4,6-Dinitro-O-Cresolate show a sobering side—acute toxicity in mammals, risk of methemoglobinemia, and evidence of bioaccumulation in food webs. Chronic low-level exposures can trigger nervous, hepatic, and renal symptoms in lab animals. Documented poisonings among accidental and sometimes intentional exposures prompted stricter labeling and storage policies. Monitoring occupational and environmental exposure falls to local health authorities, but the burden often lies with those working closest to the ground.
Calls grow stronger to retire or seriously restrict legacy chemicals like Sodium 4,6-Dinitro-O-Cresolate. Legislative changes and tighter residue regulations push agriculture and maintenance industries to rethink their chemical toolkits. It’s a tall order: effective, low-cost weed control balanced against human and ecological health. Advances in plant biology and robotics aim to fill the gap, but so far, no clear winner has emerged. Phasing out such compounds—not just in markets with deep pockets, but across all economies—requires honest public conversations, support for new technologies, and vigorous research to clean up what lingers in soil and water. Until viable, safer options match the history and punch of this old molecule, the debate over its place continues.
The name sodium 4,6-dinitro-o-cresolate sounds like a mouthful, but this compound traces its history deep into practical agriculture. It grew popular for its role as a herbicide and a chemical thinning agent. Orchard growers used this substance to help control unwanted plant growth. In the world of apple and pear farming, chemical thinning means less reliance on manual labor and more predictable fruit harvests each season. Science didn't invent this molecule in a vacuum—farms needed reliable ways to keep weeds from choking out valuable crops, especially when labor got tight or weather refused to cooperate.
Anyone who has ever fought persistent weeds knows it: some plants won't quit, and hand-pulling gets old fast. Farmers started using sodium 4,6-dinitro-o-cresolate because it deals with those perennial enemies better and faster. Mix it up, spray targeted rows, and you watch the problem shrink. Not only did it knock back weed growth, especially among invasive grasses and broadleaf troublemakers, but it also kept orchard floors clear, which matters during harvest.
The same chemical proved helpful for thinning fruit, too. Not every blossom should set fruit if orchardists want quality apples or pears. By thinning early with this compound, trees focus energy on fewer, better fruits. This means less small, misshapen fruit at the end of the season and more bushels of market-ready produce.
No one can ignore the downside. Handling sodium 4,6-dinitro-o-cresolate brings risks. The compound can irritate skin and eyes, and inhaling its dust over time—well, that never bodes well for lungs. Long-term, environmental concerns stack up. Studies from regulatory agencies confirm this chemical lingers in the soil, may harm aquatic life, and doesn't just disappear overnight. Overuse led to residues sticking around longer than expected. I grew up in a rural community where warnings about water runoff from farm fields showed what happens when regulation lags behind use. More than one well turned up with strange results after seasons of heavy spraying.
Regulatory bodies like the EPA eventually flagged sodium 4,6-dinitro-o-cresolate for review. Use in many countries got restricted or banned outright. Economic pressure pushed for more sustainable methods—mechanical weeders, improved mulching, and, yes, more selective applications of modern, less persistent herbicides.
Chemistry still matters in agriculture, but trust in new solutions never comes easily. Today, growers and researchers work together, exploring options that keep people, wildlife, and water safer while delivering consistent crops. Most new products undergo rigorous testing for safety, half-life in soil, and runoff potential long before they show up on rural shelves.
It's not just about banning one product and calling it a day. The challenge now lies in supporting growers as they shift practices—offering training, cost help, and research into better techniques. Open data helps public watchdogs keep an eye out for new risks without reinventing old mistakes. Responsible use, informed choices, and constant improvement mark the path forward. By remembering the lessons from compounds like sodium 4,6-dinitro-o-cresolate, agriculture finds smarter, safer ways to do the work that feeds us all.
Sodium 4,6-dinitro-o-cresolate doesn’t turn up much in casual conversation, but farmers and workers in agriculture might recognize it from its use as a herbicide, especially in rice paddies or orchards. Chemicals like this rarely get the spotlight until something goes wrong or health concerns pick up steam. I’ve seen people treat protective gear as a nuisance. Still, stories shared around farming communities about rashes, nausea, headaches—it’s not just abstract chatter.
Direct skin contact with this chemical stings and burns. Workers sometimes wear old shirts and thin gloves, figuring a quick splash can’t hurt. Truth is, exposure doesn’t need hours—only a few minutes can lead to skin irritation or worse. Skin absorbs chemicals better than folks think, especially broken or sweaty skin. Once inside the body, this compound messes with cells and nerves. Swallowing or breathing dust can cause symptoms like confusion, convulsions, and even damage to organs.
Toxicology research shows sodium 4,6-dinitro-o-cresolate interferes with how cells make energy. Lab animals exposed to it struggled with muscle weakness and breathing problems. In humans, this compound acts as a mitochondrial uncoupler, much like dinitrophenol, which once turned up in “slimming pills” banned decades ago for killing users. This isn’t theory—it’s documented science.
There’s another level to the story. Rain can carry run-off into streams and fields, polluting drinking water and harming aquatic life. Even as crops grow, residual traces remain a worry, making their way through the food chain. Data from regulator agencies such as the EPA and Europe’s EFSA list it among the substances requiring tight control, not just during use but also in how leftovers get handled.
Farm-life culture leans toward “what works, works.” Safety training often falls short. In countries enforcing strict regulations, risks drop, but in many places, loose rules or lack of oversight mean the burden sits heavy on the workers themselves. Supply stores push chemicals without much guidance. Reading the label rarely gives the full picture—especially if literacy or language gets in the way.
Real solutions start on farms and in warehouses. Providing thick gloves, long sleeves, proper goggles—these basics make a difference. Workers benefit most when supervisors take safety seriously and check that equipment fits and isn’t falling apart. Recognition and rewards for safe habits drive cultural change a lot faster than written rules taped to the wall.
Wider adoption of less toxic alternatives should become a priority. Integrated pest management can cut down on the need for hazardous herbicides. Rotating crops, using natural predators of weeds, and smart water management can lower dependence on harsh chemicals.
Sharing real stories of chemical-related illness guides people to take warnings seriously. Even so, regulators need to keep testing food and water supplies, updating the lists of banned chemicals, and holding big suppliers accountable. The more open these processes stay, the more people can make informed decisions. Anyone who’s handled strong chemicals knows—the risk isn’t just a line on a label. It’s a daily reality worth taking seriously.
I’ve seen chemical storage ignored until a scare makes the news. Sodium 4,6-Dinitro-O-Cresolate sits among those compounds that don’t leave much room for error. Folks use it as a herbicide and as an intermediate in some industrial processes, so plenty of small labs and large warehouses keep this stuff on the shelf.
It’s not just another powder. Left out in the open, it can take on moisture, clump, and break down in ways that change how it reacts. That’s not all—this chemical carries a reputation for causing headaches, dizziness, and skin irritation if handled carelessly. With documented risks for both acute and chronic health effects, taking shortcuts invites trouble. If there are kids in the house, or workers with less experience, mistakes turn into emergencies fast.
A friend once told me about a small workshop where staff put chemicals in any old container, slapped handwritten labels, and left them on a creaky shelf. A single plumber’s torch brought the storage room to the brink of disaster. Certain chemicals, Sodium 4,6-Dinitro-O-Cresolate included, break down into stuff you do not want airborne or in your drains. Leaks contaminate soil, water, and anyone who happens to touch the wrong surface.
Sticking a jar in a dry, cool, locked cabinet protects people and the environment. It keeps the substance from breaking down or causing surprise reactions with rough steel, sunlight, or just plain heat. Use strong, airtight containers made of glass or compatible plastic—many commercial suppliers prefer high-density polyethylene, since it won’t corrode or allow a slow leak. In the old days, steel drums sometimes reacted with chemicals and leaked. These incidents taught everyone a lesson. Store only the minimum quantity you actually need for daily operations. Too much on hand increases risk all around.
Labels matter, but they only go so far. Training everyone who enters the storage area is just as crucial. Workers need to know what to do if they see powder on the floor, notice a weird smell, or hear the faint clink of a broken bottle. Quick, easy access to gloves, chemical goggles, and secure ventilation reduces the chance of injury or contamination. Ventilation keeps dust and vapors out of people’s lungs and out of the rest of the building.
I’ve seen factories get comfortable, and that’s the moment mistakes get dangerous. Once, an old shelf collapsed and mixed incompatible compounds together in the dark. The cleanup took weeks, and employees lost confidence in management. Simple choices—fresh containers, regular inspections, and detailed records—prevent those months of chaos. Regulations from OSHA and EPA spell out the rules, but real safety grows from experience and respect for these materials.
People trust oversight with chemicals that can cause lasting harm. Sodium 4,6-Dinitro-O-Cresolate stays safely on the shelf when each person pays attention and respects what they’re handling. A locked cabinet, a clean, labelled container, a dry room, and scheduled audits all bring peace of mind. Those small details keep folks safe, protect the air and water, and let a business focus on its real work, instead of writing incident reports or dealing with a government investigation.
It’s not about paranoia; it’s about responsibility. I’d rather overdo safety than become the next cautionary tale. Chemical safety begins in the storage room, and each person who walks through its door plays a part in keeping disasters out of the headlines.
Anyone who’s ever handled sodium 4,6-dinitro-o-cresolate knows its reputation. It’s an old-school herbicide, historically showing up in everything from agriculture to industrial cleaning. The catch? It poses real health risks. Breathing in dust or letting the substance touch skin can trigger nasty reactions—burns on the skin, severe eye damage, headaches, nausea, or worse if it gets inside your body. People with asthma or other respiratory troubles may feel the effects even faster. Say you’re working long hours in warm weather; this compound can sneak into your system through sweat-soaked skin. I once watched a coworker get a small splash on his arm; he dismissed it, but regretted it after the burning started. That taught me to never let my guard down with chemicals like this.
Goggles, gloves, and lab coats sound like small things until you need them. Forgetting one piece can mean the difference between a safe shift and an ER visit. Disposable nitrile or neoprene gloves hold up better than cheap latex. Standard cotton work shirts won’t cut it—liquid-proof aprons and long sleeves are the safer bet. Splash-proof goggles keep eyes protected, and simple safety glasses won’t block out dust or vapors. Many labs insist on face shields for extra splash protection. A well-fitted respirator makes sense where dust or vapor levels rise above safe limits; I prefer a half-mask with filters rated for organic vapor and particulates. Not everyone thinks about boots, but chemical-resistant footwear is just as important as gloves.
Good ventilation isn’t extra—it's essential. A chemical fume hood pulls away vapors before they can settle in your lungs. Some workplaces install local exhausts or make fans part of the routine in storage and mixing areas. Proper air flow drops the risk fast. I’ve dealt with poorly ventilated storage rooms where opening a drum set off a wave of sharp odor and headaches within minutes. Taking shortcuts with air flow doesn’t save time or money once incidents start stacking up.
Sodium 4,6-dinitro-o-cresolate stays stable only if it stays dry and cool. High humidity and heat speed up decomposition and raise the chances of accidental release. Only trained staff should handle or move it, always using tools designed for corrosive and toxic powders. Clean up spills fast with dedicated absorbent—improvised scoop-and-brush jobs can spread the compound further. Always work in pairs if possible, so no one faces exposure alone. Nearby emergency showers and eye-wash stations limit injury if someone slips up. Storing the material in sealed containers, well away from food, drink, or regular break areas, keeps cross-contamination low.
Every worker should know the signs of exposure and the location of emergency wash stations. Trained teams react better in crisis; regular safety drills set muscle memory. Keeping material safety data sheets handy proves its worth on busy days when someone forgets a detail. Sharps containers and extra gloves by every sink make it easier to keep good habits. Supervisors who walk the floor and spot-risk help everyone keep their eyes open.
Smart workplaces invest in regular health checkups and air monitoring equipment. Automated handling or closed systems, rather than open pouring, shrink risk even further. Switching to safer substitutes for some applications makes sense if regulations and effectiveness allow. Learning from incidents—no matter how small—prevents repeats. After all, nothing matters more than heading home safe at the end of the shift.
Sodium 4,6-Dinitro-O-Cresolate isn’t a familiar name outside of chemical, agricultural, or research environments. In the real world, people use it mostly as a herbicide or algicide, knocking back aquatic weeds or unwanted plants. The compound can be potent. That’s part of why those searching for a purchase option must think carefully about safety, sourcing, and regulations.
Most casual buyers won’t spot Sodium 4,6-Dinitro-O-Cresolate on any drugstore or hardware shelf. As a writer with research experience, I’ve only encountered it on lab procurement platforms or through approved agricultural suppliers. Sellers screen buyers tightly because of the risk profile: besides killing weeds, this chemical poses hazards to people and ecosystems if mishandled or released without oversight.
Tighter international rules surround chemicals used in agriculture, especially those with toxicity concerns or potential for regulatory abuse. Many companies refuse orders unless the client proves a legitimate need. The seller often requests a business license, proof of professional usage, and sometimes a statement about intended application. This isn’t red tape for its own sake—history shows that high-toxicity substances sometimes wind up in entirely the wrong places.
Researchers or agricultural buyers usually begin on specialty chemical supplier websites. Reputable names like Sigma-Aldrich, ChemService, and Fisher Scientific crop up frequently. These aren’t Amazon quick-buys; expect to fill out paperwork and justify your purchase. At times, even researchers get turned away or asked for extra documentation if the intended use remains unclear.
Agricultural supply firms offer a second avenue, but the seller’s location matters. U.S. and European suppliers often demand Environmental Protection Agency or EU certification. Smaller, regional agrochemical suppliers exist in South America and Asia, sometimes with quicker paths for local buyers with demonstrated agricultural need. If you work outside regulated sectors, don’t expect access.
Government agencies monitor shipments of toxic chemicals. Trying to purchase restricted substances without proper credentials leads to blacklists or legal trouble. Import rules add another layer of complexity. I once saw a shipment redirected midstream because the buyer failed to provide the right customs paperwork. Customs treats undocumented toxic substances as a public safety threat. The fallout isn’t just a lost order: criminal charges sometimes follow.
Plenty of researchers and growers look for safer, less regulated alternatives. Biodegradable herbicides or mechanical removal reduce exposure risks and dodge some regulatory snarls. Some chemical companies now offer less toxic blends for agricultural use; these usually face a simpler purchasing process and have lighter environmental impacts. Anyone handling hazardous compounds should hold rigorous training and safety gear. Reputable operations invest in both, since one slip can ruin lives and reputations.
Ultimately, anyone seeking Sodium 4,6-Dinitro-O-Cresolate takes on real responsibility. This compound’s ability to disrupt biological systems drives strict oversight, not bureaucratic whim. It pays to treat regulations as guardrails, not obstacles. Research or industry professionals who source hazardous materials owe it to their colleagues, neighbors, and the land to meet every standard—on paper, and in practice.
| Names | |
| Preferred IUPAC name | sodium 2-methyl-4,6-dinitrophenolate |
| Other names |
Cresotic acid, sodium salt DNOC sodium salt Sodium 4,6-dinitro-o-cresolate Sodium DNOC Sodium 4,6-dinitro-2-methylphenolate |
| Pronunciation | /ˈsəʊdiəm ˌfɔːr.sɪks ˈdaɪ.nɪ.trəʊ oʊ ˈkrɛs.ə.leɪt/ |
| Identifiers | |
| CAS Number | 1007-89-4 |
| Beilstein Reference | 120928 |
| ChEBI | CHEBI:74950 |
| ChEMBL | CHEMBL61361 |
| ChemSpider | 20625 |
| DrugBank | DB08679 |
| ECHA InfoCard | 100.016.572 |
| EC Number | 208-025-5 |
| Gmelin Reference | 69006 |
| KEGG | C18604 |
| MeSH | Dinitrocresols |
| PubChem CID | 17432 |
| RTECS number | GO9625000 |
| UNII | 6K86MUZ3NP |
| UN number | UN1322 |
| Properties | |
| Chemical formula | C7H5N2NaO5 |
| Molar mass | 227.11 g/mol |
| Appearance | Yellow crystalline powder |
| Odor | Odorless |
| Density | 1.6 g/cm³ |
| Solubility in water | Slightly soluble in water |
| log P | -0.77 |
| Vapor pressure | Vapor pressure: <0.01 mmHg (20 °C) |
| Acidity (pKa) | 4.61 |
| Basicity (pKb) | 13.2 |
| Magnetic susceptibility (χ) | -27.8·10⁻⁶ cm³/mol |
| Refractive index (nD) | 1.619 |
| Viscosity | Viscous liquid |
| Dipole moment | 3.8056 D |
| Thermochemistry | |
| Std molar entropy (S⦵298) | 279.0 J K⁻¹ mol⁻¹ |
| Std enthalpy of formation (ΔfH⦵298) | -382.6 kJ/mol |
| Std enthalpy of combustion (ΔcH⦵298) | -1457 kJ/mol |
| Pharmacology | |
| ATC code | N06AX04 |
| Hazards | |
| Main hazards | Harmful if swallowed, toxic if inhaled, causes damage to organs, harmful to aquatic life with long lasting effects. |
| GHS labelling | GHS02, GHS06, GHS09 |
| Pictograms | GHS06,GHS09 |
| Signal word | Warning |
| Hazard statements | H302, H315, H318, H332, H400 |
| Precautionary statements | Precautionary statements: P261, P273, P280, P305+P351+P338, P337+P313 |
| NFPA 704 (fire diamond) | 3-2-0 |
| Flash point | 143°C |
| Autoignition temperature | > 400°C |
| Lethal dose or concentration | LD₅₀ (oral, rat): 250 mg/kg |
| LD50 (median dose) | LD50 (median dose): Rat oral 160 mg/kg |
| NIOSH | SW2625000 |
| PEL (Permissible) | 1 mg/m³ |
| REL (Recommended) | 1.5 mg/m³ |
| IDLH (Immediate danger) | IDLH: 20 mg/m³ |
| Related compounds | |
| Related compounds |
4,6-Dinitro-o-cresol Dinitro-ortho-cresol (DNOC) Sodium dinitrocresol 2-Methyl-4,6-dinitrophenol Dinoseb Dinoterb |
