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2-Nitrodiphenylamine

    • Product Name 2-Nitrodiphenylamine
    • Alias 2-Nitrodiphenylamin
    • Einecs 201-201-9
    • 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

    983850

    Chemicalname 2-Nitrodiphenylamine
    Casnumber 119-75-5
    Molecularformula C12H10N2O2
    Molecularweight 214.22 g/mol
    Appearance Yellow crystalline powder
    Meltingpoint 74-76 °C
    Solubility Slightly soluble in water; soluble in organic solvents
    Density 1.31 g/cm3
    Flashpoint 213 °C
    Synonyms 2-Nitro-N-phenylaniline, o-Nitrodiphenylamine
    Odor Odorless
    Stability Stable under normal conditions

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

    Packing & Storage
    Packing 2-Nitrodiphenylamine is packaged in a 500g amber glass bottle with a secure screw cap, labeled with hazard warnings.
    Shipping 2-Nitrodiphenylamine is shipped in tightly sealed containers, protected from moisture and incompatible materials. It is classified as a hazardous chemical and must be transported following relevant regulations for toxic substances. Proper labeling and documentation are required to ensure safe handling, with storage in a cool, dry, well-ventilated area away from heat and ignition sources.
    Storage 2-Nitrodiphenylamine should be stored in a cool, dry, and well-ventilated area, away from heat, sparks, and open flames. Keep the container tightly closed and protected from direct sunlight and incompatible substances such as strong oxidizers and acids. Use non-sparking tools and ensure all storage areas are labeled. Store in accordance with local regulations and safety guidelines.
    Application of 2-Nitrodiphenylamine

    Applications of 2-Nitrodiphenylamine in Industrial Manufacturing

    2-Nitrodiphenylamine serves as a key raw material across several specialized industrial sectors. As a direct manufacturer, we deliver material that meets stringent requirements for process integration and finished product quality. Below are major application areas, with technical insight into compliance, formulation, process flow, and downstream products.

    1. Secondary Explosives Stabilizer for Nitrocellulose-Based Propellants

    This compound functions as an essential stabilizer in the military and civil propellant industry, specifically within formulations of double-base propellants and certain nitrocellulose powders. The addition controls the degradation of nitro compounds, limits the formation of acidic species, and extends storage life under severe environmental and thermal conditions. Continuous quality assessment and precise dosing ensure final propellants meet aging and safety requirements for both ammunition and industrial charges.

    Industry compliance standards

    • STANAG 4117 (NATO Safety and Suitability for Service of Propellants)
    • US MIL-STD-286 (Inspection of Propellants)
    • REACH registration for explosives precursors
    • Q/CR 0.21.101-2019 (Chinese standards for smokeless powder additives)

    Typical usage ratio

    • 0.5%–2.0% by mass, determined according to base composition and required shelf life

    Downstream process integration

    • Material enters during nitrocellulose paste mixing or gelatinization. Integrators blend it with stabilizers and other additives before extrusion or casting. Dosage may be supplementary with other stabilizers based on real-time lab stability tests.

    Final product types

    • Ammunition propellants for military use
    • Sporting rifle powder
    • Industrial demolition cartridges
    • Pyrotechnic delay compositions

    2. Rubber Antioxidant in Tire and Technical Goods Manufacturing

    Used as an antioxidant, this compound prevents oxidative and thermal degradation of synthetic and natural rubbers in high-performance applications. Controlled integration at the mixing stage supports long-term durability in rubber exposed to heat, ozone, or cyclic stress. The additive operates synergistically with other amines and phenolic antioxidants to prolong the lifespan of critical rubber goods, reducing cracking and hardening during aging.

    Industry compliance standards

    • ISO 9001:2015 (Quality management for rubber processing)
    • ASTM D3157 (Test Method for Rubbers—Antioxidant Content)
    • EU Directive 2005/69/EC (PAH restrictions in rubber articles)
    • Technical specification GB/T 528-2009 (Rubber—Determination of tensile stress-strain properties, China)

    Typical usage ratio

    • 0.3%–1.0% by mass of total rubber compound; ratio depends on base elastomer and exposure intensity anticipated in the application

    Downstream process integration

    • Compounding lines mix the additive directly with polymers and other curatives in the internal mixer during masterbatch preparation. Material disperses prior to preforming, ensuring uniform protection during both vulcanization and finished goods storage.

    Final product types

    • Automotive tire treads and sidewalls
    • Conveyor belts for mining
    • Heavy-duty rubber hoses
    • Industrial gaskets and seals

    3. Intermediate for Azo Dye Synthesis in Textile Chemicals

    In the dye and pigment sector, the product acts as a key intermediate in synthesizing specific C.I. Azo Dyes. Manufacturers rely on its reactivity and substitution pattern to generate stable diazo compounds, which are subsequently coupled to produce shades for cellulosic and polyamide fibers. Assured purity and analytical monitoring during batch processing are essential to meet the stringent shade strength and fastness properties demanded in textile finishing.

    Industry compliance standards

    • Oeko-Tex Standard 100 (Harmful substances limit for textile dyes)
    • REACH Annex XVII (Restrictions on aromatic amines in dyes)
    • ZDHC MRSL (Manufacturing Restricted Substances List in the textiles supply chain)
    • ISO 105-C06 (Textiles—Tests for colour fastness)

    Typical usage ratio

    • Stoichiometric ratios calculated based on required dye chromophore scale; typically 1 mol equivalent per target azo linkage formed

    Downstream process integration

    • Stepwise chemical synthesis: material charges to the diazotization reactor, followed by coupling with aromatic amines under controlled temperature and pH. Purified dye is then isolated, formulated, and standardized before dispatch to textile houses.

    Final product types

    • Sulfonated azo dyes for cotton
    • Naphthol-based dyes for viscose
    • Disperse dyes for polyester fibers
    • Printing paste colors

    4. Corrosion Inhibitor for Industrial Lubricants and Hydraulic Fluids

    The product finds critical use as a corrosion inhibitor in high-specification lubricants for industrial equipment and hydraulic systems. Through tailored dosing, it protects ferrous and non-ferrous metals under boundary lubrication and high load. The inhibitor interacts at the oil-metal interface, suppressing oxidative reactions promoted by temperature and pressure surges on-line. Rigorous lab trials ensure suitable loading for each blend, especially in extended-use or food-grade machinery oils.

    Industry compliance standards

    • DIN 51517-3 (Requirements for lubricating oils—lubricants for industrial gears)
    • ASTM D665 (Test Method for Rust-Preventing Characteristics of Inhibited Mineral Oil)
    • FDA 21CFR178.3570 (Lubricants with incidental food contact, if relevant for food-sector applications)
    • ISO 6743-6 (Classification for hydraulic fluids)

    Typical usage ratio

    • 0.05%–0.3% by volume of finished fluid; adjusted during R&D based on corrosion test panels and oxidation stability benchmarks

    Downstream process integration

    • Blending tanks receive the material after base oil selection and initial additive addition. Continuous agitation ensures inhibitor disperses uniformly before final filtering and packaging. End-users monitor final blend for acid number and corrosion resistance pre-shipment.

    Final product types

    • Gear and bearing oils
    • Hydraulic transmission fluids
    • Compressor and turbine lubricants
    • Antiwear cutting fluids
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    Certification & Compliance
    More Introduction

    2-Nitrodiphenylamine: Quality from Our Factory

    A Closer Look at 2-Nitrodiphenylamine

    Years of experience in the chemical manufacturing industry teach you to tell the good from the mediocre, both in materials and process. We make 2-Nitrodiphenylamine ourselves, straight from raw materials, and have watched its role in the market sharpen over time. In our production halls, every batch takes shape under the strict standards we’ve designed and refined—not for generic appeal, but for chemical integrity and consistency.

    What makes 2-Nitrodiphenylamine matter to so many industrial clients? It stands out as an intermediate in the production of high-energy materials and also as a stabilizer in propellants. Customers rely on its purity so downstream products stay reliable. Some compounds leave too much room for error; this one commands precision in both synthesis and application. Our model follows a technical grade that meets industry-established benchmarks, with an assay that reflects a data-backed control of impurities, especially aniline content and residual moisture. Such purity gives confidence to process engineers who put safety and performance over price tags.

    Manufacturing Methods Shaping the Market

    Unlike many suppliers dealing through warehouses or repackaging, our team oversees the entire route—from nitration of diphenylamine through careful crystallization. Nitration creates by-products that can muddy the use case for some applications. Tight control during washing and drying steps determines if the product disrupts or maintains stability for energetic material blending. Because we run the reactors ourselves, we can validate every lot’s identity by TLC, HPLC, and confirm structure through NMR when unique requirements surface. That hands-on, technician-driven oversight distinguishes our lots from bulk-processed competitors’ material, which sometimes sacrifices tight impurity thresholds to hit higher volumes.

    Many in the marketplace cut corners in drying, which leaves excess moisture and sometimes increases the risk of decomposition or unwanted reactions during storage. Our drying protocol avoids this pitfall and ensures solid product stability over six months without the need for repeated requalification. Reliability here cuts down on headaches for our partners making energetic blends or colorants, who often face costly downtime if their raw material quality waivers.

    Specifications That Matter to End Users

    The standard batch generally presents as pale yellow to yellow crystals, reflecting the control of byproduct chromophores during synthesis. Our analytical results consistently measure the nitro group between 97.5% to 99% through quantitative HPLC, and we keep aniline latents below 0.1%. These numbers aren’t just statistics—they have real meaning. Manufacturers making explosives or smokeless powders get peace of mind knowing their primary stabilizer isn’t adding risk or inconsistency. For those working in specialty dyes, the color profile stays as expected, sparing them surprises in finished product hues.

    Often, manufacturers think all 2-Nitrodiphenylamine is interchangeable, but laboratory work says otherwise. Residual acidity, trace metals, or solvent residues make the difference between a smooth process and one littered with stoppages or scrap. In our facility, each batch report includes spectroscopic validations and, when clients request, information on possible trace impurities picked up at every step. Larger operations often run round-the-clock, so it’s our job to keep those lines running, not just by delivering product on time but doing so with the best analytical backup.

    Where 2-Nitrodiphenylamine Comes Into Play

    Take energetic materials as a concrete example. Propellant stabilizers using our material guard against autocatalytic decomposition, boosting the shelf life and safety profile of restricted explosives and artillery charges. In this sector, technical purity translates directly to reduced risk of runaway reactions during storage. Large military contracts depend on it, and one off-batch can mean more than financial loss—it can mean immediate recall and significant safety risks.

    In dye manufacture, the compound takes part in coupling reactions or acts as a precursor to azo systems. Here, technical impurities or off-color matter because they throw off hue and intensity. There’s a reason a kilo from our line performs better than a “bargain” drum from a trading operation with unclear origins. In our experience, dye-makers using our material find themselves rarely troubleshooting raw material-induced process glitches.

    Distinctions from Similar Products

    “Close, but not quite” often describes what happens when purchasing chemically similar products for a lot less per kilo. Take Diphenylamine, a related stabilizer with a simpler structure. While both compounds provide antioxidant-like stabilization in nitrocellulose mixtures, Diphenylamine lacks the strong electron-withdrawing nitro group. The nitro group on the 2 position modifies reactivity, making 2-Nitrodiphenylamine more suited to certain formulations where higher thermal stability and slower stabilization decay are crucial. Our hands-on trials with client applications underscore these chemical distinctions, and we often see formulators shifting to our version after unexpected instability with standard Diphenylamine.

    Another common substitution error crops up with 4-Nitrodiphenylamine. While commercially interesting, the positional isomer displays distinct properties in terms of melting point, solubility, and stabilization kinetics. Few resellers distinguish between the two, yet in practice, side reactions or color shifts mark the difference on the production line. Our facility keeps strict documentation and product separation for isomers, so clients avoid crosstalk between finished goods.

    Real-World Problem Solving in Quality Control

    Quality control extends beyond ticking boxes on a certificate of analysis. We’ve seen first-hand what happens when a customer’s line grinds to a halt due to overlooked side-reaction products—something as subtle as a shift in TLC spot location causing inconsistent performance in batch stabilization. These troubleshooting efforts often point back to source material, and because we manage synthesis, we provide answers—not guesses—about every batch history. Our chemists know the synthetic variables for each production date, and their attention carries through to client support.

    Some producers test only final material; our lab investigates at every junction—from raw material verification and in-process sampling to endpoint confirmation. By owning the entire process, we identify drifts in reactant quality or conditions, and apply immediate corrections. For instance, an uptick in moisture content flagged by a Karl Fischer titration led us to recalibrate a vacuum pump before a full batch was lost. This ethos of active oversight spares customers much bigger operational headaches.

    Application-Specific Insights from the Factory Floor

    People designing stabilizer packages for explosives learn quickly that theoretical formulation doesn’t guarantee real-life stability. It’s often a trace impurity, or uncontrolled crystal morphology, that triggers unexpected migration or interaction within a complex energetic formulation. Our lot release process includes not just the standard analytical chemistry, but also empirical stability tests—accelerated aging, compatibility runs with standard nitrocellulose, and trace metal exclusion. We don’t rely on textbook values; we read actual process results to adjust methodology where necessary.

    For dye and pigment interests, performance isn’t just about chemical structure but about batch-to-batch consistency. A barely visible trace metal, sometimes picked up from reactor surfaces, can catalyze unwanted oxidative changes, ruining a day’s work. We habitually perform elemental analysis post-synthesis, alert to unexpected contamination. We act swiftly—changing reactor liners or replacing filter media—to protect those who depend on our reliability for their daily output.

    Delivering Value Beyond the Lab

    Direct manufacturing means we answer technical questions with actual process data. Clients often approach with challenging requirements—a need for higher purity, custom packaging solutions to reduce contamination, or an application still under development. Our advantage lies in flexibility: We can trial a synthesis or run a test on a small lot before scaling. If an explosive manufacturer faces a new storage regulation, we tweak drying conditions for maximal shelf life while guaranteeing safe handling. If a dye company requires a tighter color spectrum, we use our in-house spectrophotometers to validate product fit.

    Our involvement doesn’t end at the loading dock. Clients come back for advice when product application throws a curveball, whether troubleshooting a runaway stabilization reaction or identifying sources of unexpected darkening in colorant production. Because we produce every kilo in-house and keep archived samples, we provide traceability and accountability few can match. We partner not with resellers, but directly with downstream manufacturers, so transparency governs every conversation—from technical guidance to logistics.

    Environmental and Safety Commitment in Production

    Running a chemical plant that synthesizes compounds like 2-Nitrodiphenylamine puts environmental leadership squarely on the shoulders of those at the controls. Nitration processes generate acidic waste streams, and we treat every liter to local regulatory standards, neutralizing with precision in closed systems to keep air and groundwater free of contamination. Our emissions audits run quarterly, not just to meet inspection, but to document areas for improvement.

    On the safety front, all personnel train to handle every intermediate—exotherms from nitration, risks of dust during drying, potential for side-product formation. We maintain full records of batch genealogy, storage, and transportation, which enables fast recall and response if an anomaly ever emerges during external use. This level of safety culture reflects experience rather than marketing—someone once burned or exposed to in-plant hazards drives home the lesson far stronger than regulatory text ever could.

    Market Trends and the Role of 2-Nitrodiphenylamine

    Over the past decade, rising global demand for high-stability energetics and tailored dyes pushed up requirements for chemical intermediates. We’ve seen growing scrutiny from export regulatory bodies and customer audits, reflecting a shift from volume purchasing to qualification-driven supply chains. This environment increases reward for those who can document every aspect of synthesis and quality, which aligns with our model as a direct manufacturer.

    Consolidation in the specialty chemicals market sometimes leads to price swings and supply uncertainties. Our forward contracts for raw materials, local partnerships with technical suppliers, and in-house redundancies in critical equipment protect our clients from market shocks. Some competitors attempt to “over-specify” their product, promising laboratory values that often don’t align with day-to-day realities. Our experience proves that direct control over production—from feedstock to finished drum—trumps marketing brochures in the hands of operations managers.

    Pushing Chemical Boundaries Through Research

    Routines in chemical manufacturing don’t breed innovation by themselves. We employ R&D staff who keep tabs on process improvements, novel stabilizer derivatives, and analytical methods that can further reduce impurity levels or boost product performance. In our plant, small percentage gains make a difference—an improvement in crystallization yield, a new filter media that eliminates a trace side-product, or updated analytical standards. These changes ripple through our clients’ results. In some cases, a minor improvement in 2-Nitrodiphenylamine purity led to extended propellant shelf life, measurable in months.

    We don’t simply sell a product; we advance it based on real-life results inside partnering factories. Feedback from experienced engineers prompts us to revisit reaction conditions. Lending our pilot reactors for customer-driven synthesis projects lets us keep knowledge cycles tight and process drift under control. We catalog these lessons—not as academic exercises, but for direct translation into commercial batches.

    Challenges and Solutions Unique to Our Experience

    No chemical manufacturer exists without setbacks. Unpredictable weather once interrupted a shipment of critical starting material, which meant a once-smooth supply chain suddenly creaked at the joints. Because we operate with overstock reserves and can adjust production schedules, none of our customers went without supply. These events crystalize our policy of contingency and clear communication—our partners always get updates, not silent delays.

    In another case, tougher restrictions from environmental inspectors challenged our waste treatment process. Our response didn’t rest on paperwork but on immediate action: investment in upgraded scrubber capacity, additional operator training, and real-time emissions monitoring. This reduced downtime and built confidence with both regulators and downstream clients.

    We appreciate seeing similar commitment among both longtime and first-time clients. They stay sharp with technical questions, challenge every impurity spec, and bring their own application data to the table. The collaborative loop strengthens the entire supply chain, pushing product quality higher with each year.

    Trust Built from Fact, Not Hype

    In this sector, trust doesn’t hinge on a good website or slick presentations. It comes from steady product quality, rapid answers to technical challenges, and transparency about both strengths and limitations. Our partners value the chance to see production records, to request archived COAs, and to walk the floor—sometimes literally, as part of an audit. They return not because of marketing, but because repeated trials confirm our reliability.

    We build each batch of 2-Nitrodiphenylamine on technical knowledge, operator experience, and the willingness to learn from mistakes. Direct feedback from the field keeps us grounded and adaptable. Whether supplying to a multinational cartridge producer, a specialty pigment blender, or an R&D group pushing the bounds of energetic chemistry, our responsibility remains the same: deliver a product that does what it claims, proven by fact at each stage.

    Industrial progress depends on supply chains founded on credibility, diligence, and constant improvement. The manufacturing of 2-Nitrodiphenylamine carries those lessons, batch after batch, for every customer who counts on us to keep their own processes moving ahead.