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2,4,6-Trinitroresorcinol

    • Product Name 2,4,6-Trinitroresorcinol
    • Alias Styphnic acid
    • Einecs 208-248-1
    • Mininmum Order 1 g
    • Factory Site Tengfei Creation Center,55 Jiangjun Avenue, Jiangning District,Nanjing
    • Price Inquiry admin@sinochem-nanjing.com
    • Manufacturer Sinochem Nanjing Corporation
    • CONTACT NOW
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    Specifications

    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 & Storage
    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.
    Application of 2,4,6-Trinitroresorcinol

    Applications of 2,4,6-Trinitroresorcinol in Industrial Manufacturing

    2,4,6-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 Devices

    Military 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

    • UN Recommendations on the Transport of Dangerous Goods, Model Regulations (UN Orange Book)
    • NATO STANAG 4170 (Explosives, Qualification Requirements & Testing)
    • U.S. MIL-STD-1316 (Fuzes, Explosive Devices Safety)
    • International Ammunition Technical Guidelines (IATG)

    Typical usage ratio

    • 2–15% by weight in priming composition, adjusted based on desired sensitivity and form factor
    • Higher ratios used in low-output initiators, lower in multi-component blends

    Downstream process integration

    • Added during high-shear granulation for priming composition manufacture
    • Incorporated in wet-mixing phases with metal powders and binders
    • Blended before pelletizing or cap loading steps in automated lines
    • Subjected to DDT (deflagration-to-detonation transition) burn testing before device assembly

    Final product types

    • Electric and non-electric detonators
    • Blasting caps
    • Percussion primers
    • Initiator squibs and micro-detonators

    2. Energetic Materials for Pyrotechnic Compositions

    Specialty 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

    • EN 15947 (Pyrotechnic Articles – Safety Requirements & Test Methods, EU)
    • U.S. 49 CFR 173 (DOT Hazardous Materials Regulations)
    • ISO 25947 (Fireworks – Quality Control)
    • Chinese Standard GB 10631 (Pyrotechnics, General Requirements)

    Typical usage ratio

    • 3–12% by total composition mass, varying with required burn rate and color effect
    • Lower ratios for stable light sources, higher for rapid-ignition devices

    Downstream process integration

    • Introduced during wet mixing with color agents and oxidizers
    • Distribution control through high-precision powder feeders
    • Preliminary homogenization in rotary mixers before hydraulic pressing
    • QC sampling for burn consistency before machine loading

    Final product types

    • Colored signal flares
    • Marine meteorological flares
    • Emergency smoke-generating cartridges
    • Pyrotechnic torch units

    3. Analytical Chemistry Reagents for Metal Detection

    Chemical 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

    • ISO/IEC 17025 (General Requirements for Testing and Calibration Laboratories)
    • U.S. EPA 7000 series (Spectroscopic Methods for Trace Metals)
    • Chinese Pharmacopoeia / European Pharmacopoeia for Residual Metals
    • ISO 11885 (ICP-OES Determination of Elements)

    Typical usage ratio

    • 50–500 ppm relative to sample volume, depending on sensitivity and matrix complexity
    • Exact dosing determined by method validation protocols and calibration curve requirements

    Downstream process integration

    • Dosed into analytical sample cells during trace metal determination
    • Added to buffered solutions for spectrophotometric metal complexation assays
    • Prepared as standardized solution for calibration and quality control checks
    • Integrated with robotic reagent dispensers in high-throughput analytic platforms

    Final product types

    • Colorimetric metal detection kits
    • Spectrophotometric test strips
    • Trace element analysis reagents
    • Analytical laboratory reference standards

    4. Gas Generator Formulations for Automotive Safety Systems

    Automotive 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

    • ISO 26262 (Functional Safety – Road Vehicles)
    • SAE J211/1 (Instrumentation for Impact Tests)
    • UN Regulation No. 144 (Uniform Provisions Concerning Airbag System Approval)
    • IATF 16949 (Automotive Quality Management Systems)

    Typical usage ratio

    • 2–8% by total weight of gas generant blend, tailored per OEM deployment force requirements
    • Adjustment based on vehicle model, airbag volume, and system design

    Downstream process integration

    • Introduced to dry blending station for homogeneous powder mixing
    • Subjected to in-process density control and particle size screening
    • Compressed with binders to form tablets or wafers for inflator cartridges
    • Gas output validated in closed chamber test rigs before module assembly

    Final product types

    • Driver and passenger airbag inflators
    • Side airbag modules
    • Passenger safety micro-gas generators
    • Pyrotechnic seat-belt pretensioners

    5. Special Propellant Systems for Aerospace Ignition

    Aerospace 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

    • NASA-STD-6001 (Flammability, Offgassing, Materials Requirements)
    • ECSS-Q-ST-70-06C (Space Product Assurance – Material Requirements)
    • U.S. DOD MIL-STD-810 (Environmental Testing for Aerospace Applications)
    • ISO 14644 (Cleanrooms and Associated Controlled Environments)

    Typical usage ratio

    • 1–10% by weight in pyrotechnic ignition compositions, calibrated by system ignition delay and energy output
    • Level adjustment according to initiator train length and environmental thermal requirements

    Downstream process integration

    • Dispensed to propellant binder slurry during controlled moisture workup
    • Pressed with oxidizer and metallic fuel matrix prior to loading in ignition modules
    • QC particle sizing before addition to staging assemblies
    • Final acceptance tested as part of live-fire chain checks

    Final product types

    • Pyrotechnic initiator chains for satellite launchers
    • Ignition charges for sounding rockets
    • Stage-separation thruster initiators
    • Emergency escape rocket modules
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    Certification & Compliance
    More Introduction

    Introducing 2,4,6-Trinitroresorcinol: High Purity for Demanding Applications

    Experience in Manufacturing High-Grade 2,4,6-Trinitroresorcinol

    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.

    Model and Specifications: Built for Precise Needs

    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.

    Distinct Qualities of Our 2,4,6-Trinitroresorcinol

    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.

    Usage: Beyond the Lab Bench

    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.

    Differences From Other Products: Why Formulators Come Back to TNR

    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.

    The Impact of Purity on Performance

    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.

    Handling and Safety: Practice Grounded in Experience

    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.

    Environmental and Regulatory Practices: Reducing Downstream Impact

    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.

    Supporting Customers: Insights from Behind the Scenes

    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.

    Adaptation, Innovation, and Industry Trends

    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.

    The Human Factor: Generations of Chemical Know-how

    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.

    Future Perspectives: Meeting Demand Without Compromise

    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.