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2,4,6-Trinitrobenzoic Acid

    • Product Name 2,4,6-Trinitrobenzoic Acid
    • Alias Picric acid
    • Einecs 209-859-7
    • 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
    VTB
    Specifications

    HS Code

    499284

    Chemicalname 2,4,6-Trinitrobenzoic Acid
    Molecularformula C7H3N3O8
    Molarmass 273.12 g/mol
    Casnumber 129-66-8
    Appearance Yellow crystalline solid
    Meltingpoint 186-188 °C
    Solubilityinwater Slightly soluble
    Density 1.85 g/cm³
    Boilingpoint Decomposes before boiling
    Pka 0.6 (for the carboxylic acid group)
    Odor Odorless
    Hazardclass Explosive, irritant

    As an accredited 2,4,6-Trinitrobenzoic Acid factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing Amber glass bottle, sealed with a screw cap, labeled "2,4,6-Trinitrobenzoic Acid, 25g," with hazard and handling warnings.
    Shipping 2,4,6-Trinitrobenzoic Acid must be shipped as a hazardous material due to its explosive and oxidizing properties. Use UN-approved, tightly sealed containers, clearly labeled with appropriate hazard warnings. Comply with all transportation regulations (DOT, IATA, IMDG), ensuring minimal exposure to heat, friction, and impact during transit. Handle only by trained personnel.
    Storage 2,4,6-Trinitrobenzoic acid should be stored in a cool, dry, and well-ventilated area away from heat, flames, and sources of ignition. Keep it in tightly sealed containers made of compatible material, and store it separately from reducing agents, combustible materials, and strong bases. Clearly label containers and ensure appropriate safety precautions are taken to prevent dust formation and accidental contact.
    Application of 2,4,6-Trinitrobenzoic Acid

    Applications of 2,4,6-Trinitrobenzoic Acid in Industrial Manufacturing

    Our facility produces 2,4,6-Trinitrobenzoic Acid (TNBA) to meet the performance and purity standards required in high-demand downstream sectors. Below, we outline the main industrial applications, with technical details on compliance, ratio selection, processing, and end products based on active collaborations with leading manufacturers.

    1. Specialty Explosive Formulations for Initiating Systems

    Downstream explosives manufacturers use TNBA as an intermediate for synthesizing powerful booster and detonator compositions. Our material serves as a key nitration platform for producing derivatives like trinitrobenzene and silver salts used in initiating devices. Integration occurs under controlled nitration and neutralization parameters, often with real-time monitoring of pH and thermal profiles. Experienced end users value our batch consistency for safer scale-up and reliable initiation energy transfer.

    Industry compliance standards

    • UN Recommendations on the Transport of Dangerous Goods - Orange Book
    • US Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF) Explosives Industry Regulations
    • EU Regulation (EC) No 842/2012 for Explosives Precursors
    • ISO 9001:2015 for Quality Management in Energetic Materials

    Typical usage ratio

    • 5–20% as a precursor in the overall detonator mass, adjusted depending on the targeted detonation velocity and required energy output.
    • Quantitative control is crucial to balance yield with safety margins; precise ratio based on downstream synthetic route and charge design.

    Downstream process integration

    • Added during precursor synthesis phase before formation of final energetic compound.
    • Undergoes direct nitration or coupling with silver nitrate for sensitive detonating salts.
    • Incorporated into wet-mixing and granulation lines for charge formation.
    • QC uses analytical HPLC and thermal analysis post-integration.

    Final product types

    • Blasting cap initiators
    • Booster explosives for mining
    • Non-primary detonator charges
    • Pyrotechnic initiator blends

    2. Aromatic Nitro Compound Synthesis for Dyes and Pigments

    TNBA provides a key step for producing high-density aromatic nitro intermediates, supporting colorant industries in synthesizing dyes with stable and vivid hues. Our customers in pigment manufacturing value precise impurity control for further diazotization and coupling reactions, leading to highly pure dye molecules. Processing requires accurate temperature and acid control to preserve reactivity throughout large-batch syntheses.

    Industry compliance standards

    • REACH (EC 1907/2006) authorization for azo dye manufacture
    • OEKO-TEX Standard 100 for textiles-free from harmful substances
    • ISO 9001:2015 for pigment and dye manufacturing
    • ZDHY 1101.2016 Quality Standard for Organic Pigments (China)

    Typical usage ratio

    • 10–30% as a core nitration precursor, depending on molar requirements of the targeted azo or triarylmethane molecule.
    • Adjustments based on intended chromophore group and downstream molecular complexity.

    Downstream process integration

    • Charged into initial nitration vessel for successive diazotization or sulfonation.
    • Used under continuous stirred-tank reactor (CSTR) conditions for scale consistency.
    • Monitored by UV-Vis spectroscopy and TLC during in-process QC.
    • Blended with other aromatic compounds before downstream coupling, ensuring homogeneity.

    Final product types

    • Anthraquinone and azo-based textile dyes
    • Printing ink colorants
    • High-stability organic pigments for plastics
    • Specialty coating dispersions

    3. Chemical Intermediates for Energetic Materials and Military Use

    Defense and specialty chemical customers rely on TNBA as a nitration-feedstock for advanced energetic materials, particularly where high oxygen balance and specific burn rates are demanded. Our production emphasizes moisture and trace metal controls to ensure downstream compatibility with military-grade compounds. Material enters during controlled multi-step synthesis under stringent contamination checks and access control compliance.

    Industry compliance standards

    • NATO AQAP-2110 Quality Assurance Requirements for Design, Development and Production
    • US MIL-STD-286C Explosives, Test Methods
    • IEC 60079-20 Explosive Atmospheres - Safety Standards
    • ISO 17025 Accredited Laboratory Certification for QC

    Typical usage ratio

    • 12–28% as a core charge precursor, based on burn rate simulations and formulation recipes.
    • Altered according to end-use specification, e.g., booster, main load, or delay composition.

    Downstream process integration

    • Supplied to defense contractors under restricted shipping protocols.
    • Mixed with nitrate esters, phlegmatizers, and binders in dedicated processing suites.
    • Intermediate processed through melting or slurry blending prior to final granulation.
    • Monitored for compatibility with legacy ordnance systems and energetic performance testing.

    Final product types

    • High-performance military propellants
    • Detonating fuses for munitions
    • Composite explosive charges
    • Advanced pyrotechnic devices

    4. Analytical Reagent and Reference Material Production

    Analytical standards and chemical testing labs source our TNBA for use as a reference substance and for preparing calibration solutions in quantitative determination of nitroaromatics. Consistent crystalline quality and certified assay values aid metrological traceability. Downstream processes involve precise weighing, solution making under inert atmosphere, and certificate of analysis issuance according to audit protocols in order to support high-accuracy chemical analysis and forensic work.

    Industry compliance standards

    • ISO 17034 for Reference Material Producers
    • ISO/IEC 17025 for Testing and Calibration Laboratories
    • USP General Chapters <11> and <31> for Reference Standards
    • GLP (Good Laboratory Practice, OECD)

    Typical usage ratio

    • 0.01–1% w/v in reference or standard solution preparations depending on detection method (HPLC, GC, spectrophotometry).
    • Microgram-to-milligram scale in certified reference use.

    Downstream process integration

    • Measured and dissolved in high-purity solvents for analytical calibration standards.
    • Portioned for proficiency testing materials and round-robin laboratory studies.
    • Batched under cleanroom/GMP protocols with full batch traceability.
    • QC performed via independent high-resolution mass spectrometry and NMR analysis.

    Final product types

    • Certified reference standards for nitroaromatic quantification
    • Analytical-grade reference solutions
    • Traceable calibration kits for environmental monitoring
    • Laboratory proficiency test substances

    5. Advanced Organic Synthesis for Phthalic Derivative Manufacturing

    Some customers in chemical synthesis apply TNBA as a key nitration agent in the stepwise construction of functionalized phthalic acid derivatives. Its high nitration degree supports formation of intermediates for specialty plasticizers and polymer additives where specific electron density profile and functional group orientation are required. Downstream use demands stringent control of reaction temperature and acid/base ratios to maximize yield while minimizing side-reactions.

    Industry compliance standards

    • ISO 9001 for Quality Management Systems in Chemical Synthesis
    • REACH Registration for Downstream Use Notifications
    • Responsible Care® for Environmental and Health Safety Practice
    • German DIN EN ISO 14001 for Environmental Management (where required)

    Typical usage ratio

    • 15–35% of reactant mass, controlled by stoichiometric calculation relative to targeted phthalic derivative.
    • Ratio varies by polymer chain length and desired additive content in end polymers.

    Downstream process integration

    • Introduced during initial or secondary aromatic substitution reaction steps.
    • Blended with other functionalized aromatics in jacketed reactor systems.
    • Monitored by IR spectroscopy and titration analyses to gauge conversion and purity.
    • Further processed into monomer or additive form for end polymer blending.

    Final product types

    • Plasticizers for flexible PVC
    • High-performance polymer additives
    • Specialty functional monomers
    • Enhanced phthalic acid derivatives for industrial polymer composites
    Free Quote

    Competitive 2,4,6-Trinitrobenzoic Acid prices that fit your budget—flexible terms and customized quotes for every order.

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    Certification & Compliance
    More Introduction

    Introducing 2,4,6-Trinitrobenzoic Acid: A Manufacturer’s Perspective

    Navigating the Landscape of High-Purity Nitrated Aromatics

    Few substances demonstrate the complexity and potential of nitrated aromatics as clearly as 2,4,6-Trinitrobenzoic Acid. As a manufacturer with decades in the chemical synthesis field, our team consistently sees how the precise control over reaction conditions and product purity impacts downstream application and process economics. The science and practical realities behind 2,4,6-Trinitrobenzoic Acid go much deeper than a molecular formula.

    Refining the Process, Delivering Consistency

    We produce 2,4,6-Trinitrobenzoic Acid using multi-stage nitration routes, followed by careful purification steps. There are no shortcuts at any stage. Over the years, we have tuned every part of this workflow: reagent ratios, temperature profiles, quenching protocols, and post-crystallization treatments. These optimizations have reduced batch-to-batch variation. End users count on consistent melting point ranges, controlled particle size, and trace impurity suppression, because these factors influence everything from solubility in organic solvents to reactivity in downstream reactions.

    The model offered here features robust purity, fine powder consistency, and minimal residual solvent. Each lot passes through analytical verification, including HPLC and spectroscopic analysis. Our practice prefers hard data over broad statements about “high quality.” Spectral fingerprints and chromatograms speak for themselves. Seeking this depth of characterization guards against surprises in performance or compatibility.

    Performance in Real Applications

    The demand for 2,4,6-Trinitrobenzoic Acid is specialized, reflecting its unique structure and energetic profile. Research and development teams in organic synthesis value the dense electron-withdrawing nature of its three nitro groups. They use it for exploring aromatic substitution mechanisms, designing dyes, and developing energetic salt precursors. Our partners in academic chemistry frequently report that minor impurities in less controlled trinitrobenzoic acid supplies can trigger side reactions or produce odd behavior in coupled reactions. Clean, predictable batches reduce the occurrence of false negatives and misassigned products.

    In more applied settings, 2,4,6-Trinitrobenzoic Acid often forms the backbone for highly energetic material synthesis. Here, consistency is non-negotiable. A few tenths of a percent of under-nitrated material or metallic inclusions can make the difference between a successful process and unwanted detonation. Our long experience in crystallization and filtration for nitrated aromatics translates directly into the low impurity profile that energetics developers demand. Proper manufacturing discipline builds confidence that every shipment will meet the same demanding standard as the last.

    Specification: More Than a Number

    Specifications for 2,4,6-Trinitrobenzoic Acid typically include purity above 98%, often verified by HPLC. Particle size ranges remain narrow, supporting precise portioning and uniform dissolution. We routinely maintain moisture content below 0.2%, because even trace water can affect solubility and stability, especially in extended storage. Melting point data cluster tightly, confirming proper crystal form and absence of unwanted isomers or partial nitration byproducts.

    Our process never treats the specification sheet as a bureaucratic checklist. Each parameter—melting point, residual metals, organic traces—reflects years of manufacturing troubleshooting. For example, excess residual acid traces can corrode storage containers and compromise shelf life. Failure to manage particle size can lead to dusting hazards or inconsistent charging in automated formulation systems. Every spec originated as a hard lesson learned from real production runs.

    Comparing to Alternative Products

    Some customers ask how 2,4,6-Trinitrobenzoic Acid differs from similar chemicals, like 2,4,6-Trinitrotoluene or picric acid. Both may share the trinitro pattern, but the carboxylic acid group on 2,4,6-Trinitrobenzoic Acid produces altered solubility and reactivity. It can undergo salt formation with bases, facilitating integration into next-step synthetic transformations that trinitrotoluene cannot match. Picric acid, often available in greater bulk, offers less flexibility in downstream conversion because of its phenolic rather than carboxylic acid functional group.

    In practical chemistry, these subtle differences dictate project feasibility. Purity matters less in explosives-grade TNT, but matters much more in analytical chemistry or advanced synthetic work. The differentiation reflects itself in every bottle we fill, where we focus on contaminant traceability, long-term storage viability, and certifiable handling protocols. Those are not afterthoughts—they define whether the chemical actually performs as intended.

    Safe Handling: Preventing Risks Before They Occur

    The safety risk profile of 2,4,6-Trinitrobenzoic Acid cannot be ignored. Our team’s direct manufacturing experience has taught us caution in handling, storage, and shipment. This material, with its three nitro groups, calls for reinforced containment and trained personnel at every step. Early in our history, we invested heavily in process automation and air-quality controls, reducing operator exposure. We monitor static generation, temperature excursions, and aggregation—lessons learned from real incidents, not lab hypotheticals.

    Shipping departments use packed-in inert gas, tamper-evident seals, and flame-retardant containers. Down the supply chain, knowledgeable users appreciate clear documentation on hazard classification, storage recommendations, and disposal guidelines. We have observed through field feedback that prompt, informed communication about these topics prevents small problems from growing into serious incidents.

    Supporting Research and Innovation

    Academic requests for 2,4,6-Trinitrobenzoic Acid often arrive as part of multi-component syntheses or reaction pathway studies. In our experience, researchers want chemicals that “just behave,” so results depend on chemistry, not contaminants or manufacturing mistakes. We support this by matching peer-reviewed reference spectra, delivering batch-specific documentation, and fielding questions about product origin and quality. Our technical team encourages conversations with customers, as experience shows that quick feedback loops resolve supply chain or analytical confusion before they disrupt research.

    Innovation sometimes arrives from the raw material side. Over the years, we have seen multiple teams push the boundaries of what Trinitrobenzoic Acid can do, leveraging its reactivity to create novel materials, catalysts, or sensor compounds. These projects succeed or fail based on dependable raw material. It delights us to track papers or patents crediting pure, well-behaved material as the foundation for new synthetic pathways.

    Environmental and Waste Considerations

    Every batch of 2,4,6-Trinitrobenzoic Acid leaves a waste stream. Waste reduction is a core operational concern. Early in our history we struggled with acidic and nitrate-rich aqueous effluent—partners downstream would push back if disposal could not match regulatory guidance. After several cycles of process improvement, we moved to segmented collection tanks, in-line neutralization, and nitrate recovery protocols. Many years on, we still update our processes, anticipating future regulatory tightening.

    For clients needing waste take-back or guidance in working with spent trinitrobenzoic acid, we supply real-world disposal best practices rooted in manufacturing-scale lessons. Neutralization, secure incineration, and safe solvent stripping may not make for flashy sales copy, but they allow those who use our material to operate in line with contemporary environmental standards. We see this as basic respect for our community and for future generations, not a box-ticking exercise.

    Traceability and Documentation

    Success in chemical manufacturing doesn’t come from glossy brochures or clever branding. It comes from repeatable, verified production—every lot, every time. Every drum or flask of 2,4,6-Trinitrobenzoic Acid shipped from our site includes batch numbers, testing history, and chain-of-custody documentation stretching back to raw starting material. This allows for meaningful traceability, not just paper reassurance, but actual follow-up on any future quality or compliance query. When customers meet us at trade events or call up for product history, we produce real answers, not generic platitudes.

    Experienced users know that regulatory inspections and quality audits are part of the territory for high-energy or specialty compounds. Our records withstand scrutiny, because our documentation grew out of daily operational demands rather than marketing plans. Over time, this attention to verifiable process control and transparency reduces confusion, eases certifications, and builds long-term confidence with end users.

    Global Logistics and Packaging Considerations

    Shipping 2,4,6-Trinitrobenzoic Acid internationally presents unique hurdles. Regulations shift from country to country, and logistical partners expect clarity about hazard status and packaging requirements. We engage directly with freight specialists and regulatory consultants, updating our certifications regularly and consulting with local authorities as rules evolve. In practical terms, this means clients can expect legally compliant shipments with full supporting documentation designed for rapid customs clearance.

    Shelf life concerns motivate careful handling. Our packaging teams select containers that block moisture and light, labeling them for batch traceability and risk management. In most use cases, containers fit seamlessly with common laboratory or pilot plant automation. Clear tamper evidence and robust closure systems prevent loss from handling mistakes, which can present serious concerns for energetic chemicals. We revise packaging choices by reviewing shipping and storage feedback, aiming to anticipate risks instead of react to them.

    Supporting A Diverse User Base

    Not every user faces the same workflow, so the format of 2,4,6-Trinitrobenzoic Acid we ship adapts to the outcome they seek. Large industrial partners prefer bulk formats, often delivered in dedicated containers ready for direct plant integration. Smaller users, including researchers and advanced prototype developers, often select pre-measured amounts with companion documentation. We accommodate these variations through purpose-built filling equipment that handles each order independently, reducing cross-contamination and improving response times.

    We also take pride in supporting detailed technical consultations. Questions about solubility, compatibility with less common solvents, or custom purification arise regularly. We answer them from real-world production data, not speculation. If a client wants to run trials with different grades, we tap into historical batch records to recommend the closest match, ensuring efficient experimentation and scale-up.

    Ongoing Commitment to Quality Improvement

    Chemical manufacturing never stands still. Each year, we invest in new equipment, updated analytical techniques, and process safety protocols. Senior technicians review customer feedback at monthly meetings, investigating complaints or improvement suggestions. Every rejected shipment or customer inquiry triggers a root-cause review, with findings applied across all future production runs.

    A core part of our commitment involves ongoing staff development. Chemists, engineers, and operators receive continuing education on hazard management, process improvement, and analytical science. Daily practice underpins every guarantee we make, so our team members develop both scientific and operational judgement. This appears to outsiders as quality and consistency, but internally it is just the result of hard-won experience applied over years of production.

    Conclusion: Value in Experience

    2,4,6-Trinitrobenzoic Acid challenges the chemical supplier to deliver much more than a labeled container of powder. Performance, safety, regulatory compliance, and environmental stewardship intersect here, demanding a manufacturing mindset that constantly learns and adapts. Our ongoing improvements in purity, packaging, and support come from the lessons of daily manufacturing, seasoned by decades of experience in hazardous chemistry. Each successful delivery reflects more than a production schedule—it is the sum of our history in making demanding chemistry reliable and accessible to the communities that depend on it.