| HS Code | 281322 |
| Name | 1,8-Dinitronaphthalene |
| Chemical Formula | C10H6N2O4 |
| Molecular Weight | 218.17 g/mol |
| Appearance | Yellow crystalline solid |
| Melting Point | 178-180 °C |
| Boiling Point | Decomposes before boiling |
| Density | 1.64 g/cm³ |
| Solubility In Water | Slightly soluble |
| Cas Number | 602-35-7 |
| Pubchem Cid | 12440 |
| Iupac Name | 1,8-dinitronaphthalene |
| Hazard Statements | Irritant; harmful if swallowed or inhaled |
| Odor | Odorless |
| Synonyms | 1,8-naphthalenedinitro, Naphthalene-1,8-diyldinitrate |
| Stability | Stable under normal conditions |
As an accredited 1,8-Dinitronaphthalene factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | 1,8-Dinitronaphthalene is packaged in a 100g amber glass bottle with a tight-seal cap, labeled with hazard warnings. |
| Shipping | 1,8-Dinitronaphthalene should be shipped in tightly sealed containers, clearly labeled, and compliant with relevant regulations for hazardous materials. It must be transported under cool, dry conditions, away from heat, sparks, or open flame. Proper documentation, including safety data sheets and hazard labels, is required for safe and legal shipment. |
| Storage | 1,8-Dinitronaphthalene should be stored in a tightly sealed container, in a cool, dry, and well-ventilated area away from sources of heat, ignition, and incompatible substances such as strong acids, bases, and oxidizing agents. It should be kept away from direct sunlight and moisture, with appropriate chemical hazard labeling, and access restricted to trained personnel. |
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As a chemical manufacturer with decades of hands-on experience, we have watched 1,8-dinitronaphthalene become a dependable ingredient in specialized applications. Quite a few industries turn to this aromatic nitro compound for its consistent molecular structure and chemical robustness. The product carries a molecular formula of C10H6N2O4 and a high purity grade. The manufacturing process at our facility focuses on stability, batch-to-batch reliability, and integrity at each stage. We understand the difference it makes to work only with materials that maintain strict quality standards. Relying on reproducible conditions in synthesis and crystallization, we consistently deliver a product that meets customer expectations.
Our 1,8-dinitronaphthalene presents as a yellow crystalline solid, maintaining a clear appearance throughout its shelf life given proper storage. As manufacturers, we keep close tabs on melting point ranges, typically recorded at about 210-213°C. Moisture content and impurity levels are critical; we invest effort into minimizing these variables. Evidence of unchecked contaminants often manifests during downstream production, so our team takes regular chromatographic checks seriously. By keeping trace impurities low, we enable users to build on a reliable platform, whether the end use is as a starting material, intermediate, or reference sample.
Solubility remains a subject of frequent discussion. Our product dissolves well in hot organic solvents such as chloroform and ethanol, but resists being solvated in water. This selective solubility plays a role in purification and process development, especially for customers running custom syntheses in research or production settings. Our focus stays rooted in chemical facts, not shortcuts.
The utility of 1,8-dinitronaphthalene stretches far beyond laboratory curiosity. In synthesis, it acts as a stepping stone for creating specialty dyes, energetic materials, and pharmaceutical intermediates. Over time, we have adjusted the purification process to support research institutes as well as large-scale material plants. For those scaling up nitroaromatic chemistry, consistency ranks highly. We ship every batch for these specific needs, having witnessed the fallout from inconsistent starting materials.
The explosive and materials science sectors have further relied on this compound during the design of target molecules and energetic materials. Engineers and chemists in charge of propellant research point to its well-defined structure and performance. From a manufacturing standpoint, guaranteeing this structure comes down to careful control during nitration and post-treatment. Choosing a supplier with experience in aromatic nitro compounds translates to fewer surprises and greater peace of mind.
Users in specialty chemicals routinely select 1,8-dinitronaphthalene for multi-step syntheses. Our clients often use it in the formation of naphthalene-based ligands, catalysts, and as a precursor to naphthylamine derivatives. Given its electron-deficient aromatic ring, reactivity can be tuned for further substitution or reduction. These features set up advantages in the pathway design phase, letting chemists direct selectivity or create value-added products further down the chain.
On the manufacturing floor, this product’s ability to withstand reasonable storage intervals without noticeable decomposition also lessens waste. Moisture and ambient light accelerate degradation in some sensitive compounds; this product avoids such pitfalls under standard warehouse conditions. We designed shipping and packaging standards with this knowledge—using moisture-barrier liners and UV-blocking drum coatings—so that received material mirrors our out-of-factory standards.
Amid a spectrum of dinitronaphthalenes, the 1,8-isomer stands out, not only for its well-known melting point but for specific reactivity differences. Isomers like 1,5- or 1,4-dinitronaphthalene have their niches, but they do not always provide the unique synthetic handles needed in high-value material development. Through both feedback and our own R&D testing, we observe that the 1,8 placement of nitro groups on the naphthalene ring grants certain steric and electronic characteristics. These differences allow for regioselective reactions downstream—particularly helpful when a target structure requires the ortho relationship for cyclization, reduction, or complexation reactions.
Because our process is vertically integrated, we can guarantee product identification and traceability from raw material to shipment. We do not aggregate shipments from third parties or resellers. This makes a tangible impact on quality assurance. The chemists overseeing incoming quality control at customer sites notice the difference during spectral analysis and assay verification.
Direct contact with nitroaromatic substances calls for diligent safety management. Our plant teams receive regular training in handling, storage, and incident response. 1,8-dinitronaphthalene should be managed with attention to dust control, static charge minimization, and proper ventilation. While accepted safety protocols protect workers, it is equally vital to ensure downstream users get accurate hazard communication. We provide the necessary documentation and advocate for open communication about waste streams and personal protection.
We have improved packaging in response to both environmental and workplace safety concerns. Using sealed polyethylene-lined containers reduces the likelihood of leaks and contamination. We also support batch-specific certificates of analysis, which detail not just purity percentages but also minor byproducts and trace metal content. Customers from regulated industries, such as explosives and pharmaceuticals, benefit from this degree of transparency. Open dialog remains at the center of safer, smarter chemical supply.
Environmental responsibility ranks as an ongoing project for the factory team. Reducing wastewater and off-gas from nitration steps keeps us in line with tightening environmental standards across global markets. Our in-house engineers review process waste regularly, aiming to reduce generation at the source. Solvent recovery programs decrease emissions and cut back on raw solvent demand. While we do not claim perfection, we document progress year after year, working toward leaner, cleaner output.
Our operations team maintains a closed-loop system for process water in certain parts of production. Post-reaction neutralization and carbon filtering capture nitrates and aromatic residues before effluent leaves the site. By keeping environmental monitoring data in clear, accessible formats, we have weathered regulatory inspections and collaborated with both local agencies and international partners.
Our approach to quality control is shaped by lessons learned during scale-up years ago. Changes in reactor materials, temperature profiles, or even agitation speed can influence impurity profiles. Pre-shipment analysis includes HPLC, GC-MS, and classic wet chemistry techniques. We choose test frequencies and batch splitting based on customer needs and the likelihood of specific contaminants.
Ensuring particle size consistency goes beyond just product handling—excessively coarse product can complicate dissolution, while fine dust may pose inhalation hazards. Packing density and filtration protocols reflect this balance. Our technical teams do not shy from feedback; every nonconforming batch gets a root-cause analysis. Over time, such processes have helped us reduce batch rejection rates and move towards more robust day-to-day practice.
Only after chemists and operators certify that each batch meets published standards does the product reach packaging. Barcode tracking, sealed pallets, and load inspections form the baseline at our facility. Downstream users share with us that fewer surprises on arrival save costly downtime and troubleshooting.
Years working directly with end-users have shown us that real-world conditions outstrip laboratory expectations. Customers simplify their production lines by standardizing inputs, which only works if the input supplier maintains long-term reliability. Variability disrupts schedules, budgets, and end-product quality. Our team maintains open lines for technical support at each stage—from method development to troubleshooting.
Research partners have worked alongside our in-house team to optimize pathway designs and analyze byproduct formation. Such close technical collaboration brings about both process improvements and new application ideas. We see ourselves as part of a larger project that stretches from raw material all the way to innovation.
Aromatic nitration as a field has a long and occasionally controversial history given the role these chemicals play in both civilian and military contexts. As a manufacturer, respecting history means learning from the lessons of past incidents and striving for safer, better technology. 1,8-Dinitronaphthalene production grew from older batch approaches—often labor-intensive, inconsistent, and less contained. Modern production, as practiced in our facilities, brings automation, real-time monitoring, and a commitment to quality-assured batches. Today’s chemists apply time-tested reactions with new layers of data and technological control.
Early adopters in colorant manufacturing valued both the dye precursors and intermediates derived from dinitronaphthalenes. As chemical understanding deepened through the last century, the use of these materials shifted toward advanced fields, such as microelectronics and high-energy applications. As the context for use grew, so did the typical customer’s expectations about traceablility, certification, and product uniformity. Our operating standard keeps pace with those expectations: full tracking, complete transparency, ongoing investment in cleaner, safer syntheses.
Within the family of dinitronaphthalenes, isomer placement remains the deciding factor for performance. Chemically, the 1,8 arrangement tends to enforce planarity and influence charge distribution across the molecule. These characteristics matter deeply during downstream steps, like selective reduction or cyclization. In certain applications, such as specific dye or energetic material synthesis, only 1,8-dinitronaphthalene delivers optimal yields or selectvity in follow-up chemistry.
Compared to mononitro derivatives, the dinitro compounds do introduce greater handling vigilance for safety, yet they offer unique reactivity not found in less substituted naphthalenes. Selection between isomers tends to come down to reaction scope and the end product’s designated function. Our internal research confirmed over the years that even small differences in nitro group placement can cause significant changes in reactivity and product properties. We advise partners based on both literature data and our operational record, giving practical, experience-based guidance that supports smart purchasing and smarter lab practice.
We do not blend batches or rely on spot purchasing. Feedback from repeat customers confirms that this approach underpins both productivity and safety outcomes.
Continuous improvement shapes both philosophy and practice in the chemical plant. We run periodic reviews not just after incidents or complaints, but as routine. Employee safety training, equipment calibration, and batch data analytics are integral. Our R&D wing collaborates with the plant operations team to adapt chemical pathways as technology evolves or regulations tighten.
Reduction in solvent use, improvement in energy efficiency, and active partnering with downstream users have all followed this hands-on approach. In practical terms, this means fewer production interruptions and less regulatory hassle for both us and those we supply. Resource optimization—such as recycling spent acids—supports the sustainable use of raw materials, which customers increasingly expect of their suppliers.
Customers bring us real-world challenges—batch size mismatches, atypical contaminants, or new analytical demands. We see these not as disruptions but as invitations to push process knowledge and operational agility. This culture enables us to partner with clients in both established and emerging sectors, reinforcing a two-way dialogue that benefits both facilities.
Technical innovation in analysis has never mattered more for complex chemical intermediates. Investment in chromatography, mass spectrometry, and elemental analysis forms a core part of our manufacturing operation. Real-time monitoring during critical nitration and work-up stages means deviations rarely go undetected. By detecting issues early, we circumvent the bigger headache of off-spec product downstream.
Ambitious users, such as those driving innovation in specialty materials or energetic composites, depend on such analytical confidence. Every shipment gets a full profile, more than just a number for purity. We reference spectral libraries and compare to both in-house and external reference standards. Keeping the analytical lab updated and operated by chemists who work side-by-side with production staff closes the gap between specification and reality.
As global supply chains become more complex, stable sourcing for nitroaromatic intermediates has grown harder. We maintain relationships only with vetted suppliers of raw naphthalene and reagents, maintaining transparent documentation to support audits. Volatility in raw material markets directly affects operating costs and planning. Our customers have shared stories of delayed shipments and inconsistent performance because traders or distributers cut corners on traceability or purity. Keeping production vertically integrated shields our partners from this kind of disruption.
Managing hazards inherent to nitration chemistry, our facility continually updates equipment and protocols. Pressure relief systems, continuous temperature monitoring, and regular equipment checks keep the plant and staff secure. Our investment in process safety supports both regulatory compliance and day-to-day resilience.
Manufacturing 1,8-dinitronaphthalene offers technical challenges, but long-run success comes from building knowledge and supporting users. We maintain an active technical support desk staffed by chemists—not call center employees—who can interpret spectral anomalies or troubleshoot process issues in depth. Publishing technical notes, sharing best practices, and hosting user forums all serve to disseminate the collective lessons of experience, both ours and our customers'.
Beyond basic support, we provide case studies on purification, scale-up, and application-specific issues to all customers who request them. We believe the flow of information should move both ways; customers' on-site innovations have led us to refine process steps, improve product packaging, and offer new product formats over the years. This open culture underpins our reputation and performance.
As applications in electronics, energy storage, and advanced materials evolve, 1,8-dinitronaphthalene continues to find new relevance. We support technical partnerships and early-stage innovation efforts to test new routes and formulations. Innovation inside our factory includes ongoing automation of production lines, adoption of digital tracking, and investment in data analytics to detect trends before they become problems.
The trend across all client segments increasingly demands sustainability, deep traceability, and flexible supply arrangements. Our focus remains not only on meeting these evolving requirements, but also anticipating coming challenges and opportunities.
Years working directly in manufacturing have reinforced a fundamental lesson: quality chemical products arise only from disciplined, transparent operations, and meaningful collaboration with expert users. As we see it, 1,8-dinitronaphthalene serves as both legacy and bridge—a reliable staple, and a platform for innovation in some of chemistry’s most dynamic fields.
