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HS Code |
912385 |
| Chemicalname | 2,4,6-Trinitroresorcinol |
| Othernames | Styphnic acid |
| Molecularformula | C6H3N3O8 |
| Molarmass | 257.11 g/mol |
| Appearance | Yellow crystals |
| Meltingpoint | 178-180 °C |
| Boilingpoint | Decomposes before boiling |
| Density | 1.833 g/cm³ |
| Solubilityinwater | Slightly soluble |
| Casnumber | 82-71-3 |
| Unnumber | 1346 |
| Pka | 0.75 |
| Explosive | Yes |
| Odor | Odorless |
| Sensitivity | Sensitive to shock and friction |
As an accredited 2,4,6-Trinitroresorcinol factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | The packaging for 2,4,6-Trinitroresorcinol (100 grams) features a sealed amber glass bottle with hazard labels and tamper-evident cap. |
| Shipping | 2,4,6-Trinitroresorcinol (Styphnic acid) must be shipped as a hazardous material due to its explosive and toxic nature. It requires secure, tightly sealed containers, clearly labeled with the appropriate hazard class (Class 1.1D explosive), and compliance with all DOT, IATA, and IMDG regulations for explosive substances. |
| Storage | 2,4,6-Trinitroresorcinol (Styphnic acid) should be stored in a cool, dry, and well-ventilated area, away from heat, sparks, and open flames. Keep it in tightly closed containers, protected from shock, friction, sunlight, and incompatible substances such as strong reducing agents and combustible materials. Use explosion-proof storage and ensure proper labeling to prevent accidental contact or ignition. |
Applications of 2,4,6-Trinitroresorcinol in Industrial Manufacturing2,4,6-Trinitroresorcinol plays a significant role as a specialty raw material in defense, pyrotechnics, analytical chemistry, and energetic materials production. As an experienced chemical manufacturer, we ensure our products fit seamlessly into advanced industrial processes, meeting stringent quality and compliance requirements for downstream sectors. 1. Primary Explosives for Detonation DevicesMilitary and defense sectors use 2,4,6-Trinitroresorcinol as a critical energetic agent in the synthesis of detonators and initiator charges. Manufacturers typically blend the compound with oxidizing agents and metallic fuels for use in ignition formulations. Strict compositional ratios guarantee both reliable ignition sensitivity and minimal misfire rates. Production lines require validated batch records and process controls to ensure consistent granularity, moisture content, and purity, which directly impact the final device's shelf life and safety profile. Engineers optimize the addition point in slurry mixers or granulation drums, and maintain temperature and pH parameters for safe handling. The resulting detonator caps, blasting initiators, and squibs remain compliant with global ordinance specifications and are subject to end-use certifications. Industry compliance standards
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2. Energetic Materials for Pyrotechnic CompositionsSpecialty pyrotechnics manufacturers use this energetic material as a sensitizer and energy booster in colored flare and signal compositions, particularly where high luminous output is necessary. The nitroaromatic structure enhances color purity and burn stability when blended with selected oxidizers and color agents like strontium or barium compounds. Industrial users monitor granulation uniformity and integrate the material during the wet mixing stage to maintain consistent burn rates. The control of particle size and batch blending times are critical for achieving uniform ignition and luminous intensity in the final pyrotechnic devices. These products undergo final blend certification for heat stability and spark sensitivity prior to pressing and encapsulation processes. Industry compliance standards
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3. Analytical Chemistry Reagents for Metal DetectionChemical laboratories and industrial metal analysis facilities employ 2,4,6-Trinitroresorcinol as a specific colorimetric reagent for detecting trace levels of alkali and alkaline earth metals, notably cesium and rubidium. The compound forms colored complexes with targeted ions, enabling precise quantification via spectrophotometry. Analytical process design includes premixing with buffer solutions to achieve regulated pH and reproducible absorbance peaks. Labs use certified-grade raw material to minimize baseline drift in calibration and to fulfill external audit requirements. Controlled batch-dispensing reduces exposure risks and supports traceability in conformity with global analytical testing protocols. Industry compliance standards
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4. Gas Generator Formulations for Automotive Safety SystemsAutomotive airbag and inflator system manufacturers incorporate 2,4,6-Trinitroresorcinol in gas-generant formulations, where controlled release and combustion profiles are critical for airbag deployment. Engineers design the composition to optimize gas evolution rate while reducing toxic by-product formation. Material addition typically occurs as a uniform fine powder phase blended with metallic fuels and binders. In-line process controls monitor blend homogeneity, density, and combustion onset temperature, all directly correlated with deployment reliability under crash conditions. The end product undergoes reproducibility testing under ISO vehicle safety protocols, and process development supports batch-to-batch consistency as mandated by original equipment manufacturers (OEMs). Industry compliance standards
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5. Special Propellant Systems for Aerospace IgnitionAerospace contractors use 2,4,6-Trinitroresorcinol in the high-reliability ignition trains of satellite launch vehicles and sounding rockets. The compound stabilizes ignition under variable pressures and extreme environmental conditions. Integration into pyrotechnic initiator trains requires fine particle control and moisture-free processing to prevent misfires and degradation during extended storage. Facility protocols focus on high-purity manufacturing, trace contaminant analysis, and documented handling within clean room environments. Engineers add the material during binder slurry formation or combine it with pressed fuel tablets for use in first-stage start-up mechanisms. The robust QC framework ensures traceability through serialized batch coding and post-manufacture stress testing. Industry compliance standards
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Anyone who has worked with energetic compounds knows reliability starts with chemistry at a molecular level. Over years in the field, we have focused on 2,4,6-Trinitroresorcinol for projects that cannot accept guesswork when it comes to sensitivity, power, and consistency. Often known under the abbreviation TNR, this compound has been in our product lineup for decades because our partners rely on the unique characteristics only high-purity TNR delivers.
TNR carries a reputation for outstanding detonation properties. In our facilities, workers follow strict batch protocols, and every departure from standard triggers a hands-on review. The product we offer comes in crystal form, exhibiting a deep yellow-orange hue typical for this compound at over 99% purity. Moisture control, particle size, and moisture-free packaging round out routine steps before any shipment ever leaves our gates. An error in any stage of this process throws off sensitivity, so quality control checks begin with raw materials and continue through packing.
We produce both micronized and coarse grades—each batch carefully logged and tested. The micronized option finds use in initiator formulations where reproducible performance is critical. Some laboratories request larger particle sizes, especially during upscaling to pilot or production batches, or when blending with binders demands granular control over the final matrix. The consistent feedback we hear says confidence in particle size proves just as critical as basic assay readings.
Many chemists weigh options between TNR and related compounds like 2,4,6-Trinitrotoluene(TNT) or 2,4,6-Trinitrophenol(picric acid). The differences go beyond chemical names. Picric acid shares some functional groups but takes on water and forms picrate salts much more readily, complicating storage and application. It also tends to exhibit greater acidity, interfering with some binders. TNT, widely recognized for stability and low melt point, does not reach the sensitivity or rapid energy output needed in primary explosive designs. Our TNR avoids both these pitfalls: lower propensity for hazardous salt formation, crystalline stability during handling, and higher specific energy release where formulas demand rapid transition.
Production batches see consistent microstructural inspection because impurity levels can tip the balance between reliability and unpredictability. We use narrow operating windows for temperature and reagent addition, drawing on years of in-house data to reduce unwanted byproducts. Results appear in chemical assay sheets, but the payoff shows most obviously in user feedback. Those pushing the limits of explosive train design or specialized pyrotechnic applications report fewer misfires and greater confidence in reproducible output.
2,4,6-Trinitroresorcinol stands apart for use as an initiator and an ingredient in detonator mixes. Our TNR appears globally in fuse heads, electric blasting caps, and laboratory work calling for carefully controlled detonation thresholds. In research settings, process chemists experiment with resonance and energy profiles in new energetic blends. TNR’s sensitivity surpasses that of TNT but avoids some of the headaches associated with lead azide or fulminates.
Industrial mining operations value TNR in some primers thanks to its balance between sensitivity and manageable storage requirements. The smooth crystal form and predictable melting point let users process it consistently during upscaling or blending. Handling restrictions always stay in mind; decades of accident statistics point out the few who cut corners. For legitimate users with proper training, our experience shows TNR provides a secure, high-performance core to a range of energetic products.
Every time a new customer tours our factory, the conversation turns to differences between energetic compounds. Why invest in TNR instead of older standbys? Our chemists show comparative data: TNR delivers greater brisance per gram than TNT and lends itself better to multiphase explosive trains. Where picric acid runs into regulatory or environmental concerns, TNR’s lower acidity helps. It forms fewer metallic salts and shows less tendency to migrate out of composite blends during storage. Down the production line, these differences spare our users headaches. Explosives manufacturers juggling multiple energetic components report less cleanup and simpler waste disposal protocols when using our high-purity TNR, compared to more aggressive or less stable relatives.
From our first-hand perspective, recall that changes in chemical suppliers—or even switching to lower-purity grades of TNR—throws off established process controls. Our customers return because the trace impurity fingerprint stays steady batch after batch. That means detonator output curves match data on file, troubleshooting in the plant environment drops, and fewer recalibrations interrupt schedules. Our technical teams spend time with customers’ R&D units, pointing out differences in handling and output curves for larger and smaller batches. Teams reporting unexpected misfires or output swings nearly always trace their issues back to product purity or particle-size drift.
In-house, keeping modern analytical methods in use matters. Gas chromatography with mass spectrometry sampling and particle sizing down to single-digit microns reveal subtle shifts that some competitors overlook. Over the years, our chemists have learned no detail proves too small. Even a fraction of excess solvent, or a slightly flattened melting curve, tells a story about changes in upstream processes. Many of our engineers come from plant-floor backgrounds, and their instincts guide ongoing improvements to the production line.
A lesson we’ve seen repeated over time: purity holds the key to performance and safety. Impurities promote side reactions, decomposition, or even autocatalysis, leading to reliability problems or outright hazards. Purification steps follow decades-old methods with in-line monitoring so every kilogram matches the performance data we guarantee. X-ray diffraction regularly checks for crystal form, while high-performance liquid chromatography flags contamination down to trace levels that could escape less rigorous standards.
We respect that performance in lab-scale tests sometimes fails to translate to industrial scale. Our approach draws on both, as our staff regularly rotates between R&D and production. In doing so, we spot recipe drift caused by scale-up, spotting solvent residues or batch aging issues earlier. Multiple customers have shared how switching to our material eliminated legacy issues caused by unnoticeable impurities in less tightly controlled lots.
Experience teaches caution every time TNR gets handled, even by veterans. All staff receive annual retraining, from synthesis through packaging. Labs downplay the lessons at their own risk; the safety record depends on both product quality and habits built by repetition. Segregated storage, antistatic grounding practices, and an uninterrupted chain of custody reduce workplace incidents. Even with high purity, improper storage or unexpected contact with reactive metals brings risk. Textbook procedures—rubberized tools, non-sparking surfaces, humidified rooms—back up quality product at every step past our shipping dock.
On user feedback, the most common cause of incidents remains unexpected cross-contamination. We walk customers through protocols based on decades of incident data, and share real-world fixes. One example: early on, we witnessed minor product caking caused by undetected moisture ingress. That experience drove an investment in modular packaging lines, using hermetic sealing and moisture indicators.
Regulation in this space never stands still. As regional and international frameworks evolve, we track changes closely—not only to stay compliant but to support environmentally responsible production. Our TNR process produces far less waste water and spent acid than 1990s-era systems. Solvent recovery equipment runs around the clock, and input streams use recycled solvent wherever product profiles permit. Waste processing steps undergo third-party audit, and every off-site shipment meets rigorous tracking.
Environmental monitoring picks up even trace vent emissions which our new scrubbers abate to parts-per-billion levels. Sticking to this approach saves on raw costs, but, more importantly, we've noticed fewer regulatory headaches and less neighborhood impact. Users who process our TNR at scale get clear handling and disposal guidance, based on both practical experience and evolving statutory requirements.
The global focus on sustainability pushes every manufacturer to prioritize both traditional and "green" process chemistry where possible. TNR production historically relied on strong acids and energy-intensive steps; today, improvements like heat recovery and secondary containment bring real-world improvements to both cost and footprint.
A chemical manufacturer’s credibility always comes from more than technical sheets or online claims. Our approach puts transparency and shared data front and center. Visits from international partners often turn up questions based on their hands-on experience, rather than just published reports. Those conversations guide our improvements—whether it's updating a packaging line to reduce handling time or tweaking batch scheduling to limit downtime for safety audits.
Long-term customers tell us they chose our TNR because they know every kilogram comes direct, without third-party handling or mystery intermediates. This direct relationship keeps data honest. If an issue pops up, our technical staff walk users through troubleshooting, from sample receipt all the way to ignition testing or long-term storage outcomes. Every year brings new application areas: from advanced detonator formulations in mining and safety fuses in demolition, to growing efforts in defense R&D for precision devices.
A major pharmaceutical research client once faced consistently inconsistent output from another supplier; the problem, traced back to hidden batch mixing—something avoided in our in-house-only approach—cost them months of workflow. By working closely, analyzing residues and environmental controls, both sides achieved a permanent correction with a switch to cleaned, segregated handling.
Chemistry evolves, pressures increase, and product expectations rise. Our lab teams stay locked into the research community, listening to new performance requirements and collaborating on test production runs. The drive for safer, more controllable energetic materials inspires ongoing study and manufacturing upgrades. Recent years saw a surge in interest for alternatives to TNR featuring less sensitivity while maintaining fast energy delivery. For the foreseeable future, high-purity 2,4,6-Trinitroresorcinol continues to occupy a core role in specialty initiators, fuse systems, and controlled detonation trains.
We emphasize not just chemical control, but institutional experience. Failings in the energetic materials industry often stem from overlooked changes: a supplier blending batches or missing a shift in solvent quality. We counter this with regular audits, both internal and external, and assign senior technical staff direct oversight on every production run. In energetic material manufacturing, a well-documented change log proves more useful than any generic datasheet.
Behind every batch of TNR stands a team of skilled chemists, engineers, handlers, and logistics specialists who draw on years, sometimes decades, of direct experience. We recruit and train with one eye on legacy—a respect for established principle—and another on new learning, because energetic chemistry punishes arrogance. At each stage, managers blend textbook theory with facility-specific insight gained at the bench, in the blending room, or on the dock at shift change.
Many of our workers learned their craft watching earlier generations navigate both setbacks and advances. Where some see a repetitive process, we see countless decision points: pressures dialed up or down, cleaning routines adjusted, records checked and cross-checked. One missed observation—be it a subtle discoloration or faint odor—sometimes signals an off-spec run in the making. That wariness, the habit of stopping to ask, shapes every container of TNR that fills our loading bays.
We share practical guidance on best practices, hold frequent safety briefings, and run split-shift reviews so fresh eyes spot brewing problems before they become critical. At its core, our approach combines the heritage of proven chemical techniques with the flexibility to meet new customer challenges. Whether a new application emerges from an R&D partnership or standard product flows to old faces in the industry, our production methods stay rooted in experience and dedicated to continuous improvement.
Shifts in global supply, regulatory climates, and market focus shape our planning horizon. Production of 2,4,6-Trinitroresorcinol sees upswings in demand alongside new regulations or customer projects. We keep a flexible response framework in place—aligning raw material supply chains with production cycles, and holding buffer stocks for surge requirements. For partners planning months or years ahead, this translates into uninterrupted supply and no compromise in consistency.
Where other products bring their challenges—be they higher acidity or unpredictable long-term aging—users report TNR acts as a stabilizing linchpin. Designed around tight process control and responsive support, every shipment we send out reflects an ongoing dialogue between our facility and user projects. Our future strategy stresses responsible growth, technical accuracy, and safety-first culture—built to meet today’s standards and tomorrow’s opportunities without losing sight of reliability earned by experience.