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N-Propyl Nitrate

    • Product Name N-Propyl Nitrate
    • Alias 1-Nitropropane
    • Einecs 211-839-2
    • 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

    690757

    Chemical Name N-Propyl Nitrate
    Molecular Formula C3H7NO3
    Molar Mass 105.09 g/mol
    Cas Number 627-13-4
    Appearance Colorless liquid
    Boiling Point 93-95 °C
    Melting Point -85 °C
    Density 1.018 g/cm³ (at 20 °C)
    Flash Point 8 °C (closed cup)
    Solubility In Water Slightly soluble
    Vapor Pressure 41 mmHg (at 25 °C)
    Autoignition Temperature 195 °C

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

    Packing & Storage
    Packing A 500 mL amber glass bottle with a secure screw cap, clearly labeled “N-Propyl Nitrate, hazardous, handle with care.”
    Shipping N-Propyl Nitrate should be shipped as a hazardous material, classified as a flammable liquid with explosive potential. It must be transported in tightly sealed, approved containers, clearly labeled, and kept away from heat, sparks, and incompatible substances. Ensure compliance with local, national, and international regulations during handling and shipping.
    Storage N-Propyl Nitrate should be stored in tightly sealed containers, away from heat, sparks, open flames, and direct sunlight. Keep it in a cool, dry, and well-ventilated area, isolated from incompatible substances such as acids, reducing agents, and combustibles. Storage areas must be equipped with explosion-proof electrical fixtures and appropriate spill containment. Always observe proper safety protocols and regulatory requirements.
    Application of N-Propyl Nitrate

    Applications of N-Propyl Nitrate in Industrial Manufacturing

    As a primary manufacturer, we supply N-Propyl Nitrate (NPN) for use in several critical downstream sectors where performance, safety, and compliance with stringent industrial standards are paramount. This section outlines verified industrial application scenarios, focusing on real-world uses where technical parameters, regulatory standards, integration points, and end products define the value of our material in customer operations.

    1. Energetic Materials Formulation for Propellants

    N-Propyl Nitrate serves as a key oxygen-balanced nitrate ester in the production of high-energy propellants for aerospace and defense. Its incorporation improves combustion characteristics while maintaining strict composition control in accordance with military and civil aviation standards. Manufacturers adjust formulation ratios based on thrust profile, burn rate, and stability requirements, carefully integrating the additive at the solvent blending or esterification step while monitoring for thermal sensitivity. Typical finished products include double-base rocket propellants, booster charges, and airbag inflators, each subject to rigorous acceptance and batch traceability protocols.

    Industry compliance standards

    • U.S. Department of Defense MIL-STD-286
    • NATO Standardization Agreement (STANAG) 4170
    • UN Recommendations on the Transport of Dangerous Goods
    • REACH Registration (EC 1907/2006) Annex XVII for explosives

    Typical usage ratio

    • 1% to 7% by mass, adjusted depending on desired volatility; lower end for propellant grains, higher for high-performance formulations

    Downstream process integration

    • Added during nitrate ester blending in solvent-based mixing vessels under controlled temperature and humidity; QC testing for nitrate content and volatility before casting or extrusion

    Final product types

    • Solid rocket motors
    • Ballistic missile propellant grains
    • Automotive airbag inflators
    • Pyrotechnic initiators

    2. Explosives Manufacturing for Mining and Civil Blasting

    In commercial explosives production, N-Propyl Nitrate is utilized as a sensitizer and oxidizing compound in emulsion and slurry explosives. It provides both energetic contribution and fluidizing properties, supporting fast and reproducible mixing with ammonium nitrate and fuels. Dosage ratios depend on sensitivity requirements, water resistance, and desired detonation velocity, with integration occurring after bulk oil phases are emulsified, ensuring stability and uniform distribution prior to packaging into cartridges or bulk systems for field deployment. QC teams monitor for compatibility and performance against site-specific blasting applications.

    Industry compliance standards

    • International Society of Explosives Engineers (ISEE) Safety Recommendations
    • Occupational Safety and Health Administration (OSHA) 29 CFR 1910.109
    • U.S. Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF) ATF P 5400.7
    • EN 13631-2: Explosives for Civil Uses – High Explosives

    Typical usage ratio

    • 0.5% to 4% by weight depending on the desired detonability and water resistance; higher ratios used for deep wet-hole applications

    Downstream process integration

    • Incorporated post-primary emulsion during the aqueous phase mixing, often under vacuum, with continuous monitoring for phase stability and shock sensitivity prior to bulk pumping or cartridge filling

    Final product types

    • Bulk emulsion explosives
    • Water-gel explosives
    • Packaged blasting cartridges
    • ANFO sensitized explosives

    3. Specialty Chemical Synthesis: Nitrate Ester Derivatives

    The compound acts as a targeted reagent in specialty organic synthesis, especially for pharmaceutical precursors and performance-enhancing additives. In this scenario, N-Propyl Nitrate’s pure ester functionality undergoes transesterification or selective nitration under mild to moderate conditions, facilitating the synthesis of complex nitrate esters where alternative nitrate sources may introduce side reactions. Process engineers tightly control the mole ratio and reaction kinetics to maximize yield and minimize by-products, with compliance driven by traceability and solvent purity requirements. Downstream QC confirms molecular structure and residual nitrate levels before the intermediate advances to API or fine chemical stages.

    Industry compliance standards

    • Current Good Manufacturing Practice (cGMP) for Chemical Synthesis (21 CFR 211)
    • ICH Q7: Good Manufacturing Practice for Active Pharmaceutical Ingredients
    • EU Regulation (EC) No 1223/2009 for intermediates in cosmetic substances
    • ISO 9001:2015 for process documentation

    Typical usage ratio

    • Stoichiometric to 8% molar excess, depending on reactivity of co-reagents and scale; analysts may increase feed ratios to drive high-value synthesis without excessive unreacted nitrate ester

    Downstream process integration

    • Charged as a primary nitrate donor into jacketed glass-lined synthesis reactors, under inert atmosphere for controlled addition during the synthesis of intermediate esters or nitroalkane derivatives

    Final product types

    • Specialty nitrate esters for pharmaceutical intermediates
    • Fine chemicals for agrochemical manufacturing
    • Experimental cardiac vasodilator intermediates (R&D use only)
    • Performance additives in specialty paints and coatings

    4. Calibration Fluid Production for Detonation and Explosives Testing

    Research institutions and safety laboratories utilize N-Propyl Nitrate as a controlled reference standard in the preparation of calibration fluids for explosives detection systems and analytical testing. Owing to its predictable detonation properties and defined vapor pressure, the compound is blended at specific concentrations to simulate real-world operational conditions in detector calibration or to benchmark instrument response. Preparation requires precision measurement and documentation to comply with metrological standards, with integration into solvent systems occurring in cleanroom or fume hood environments. End-use applications support regulatory and incident analysis in high-sensitivity detection equipment.

    Industry compliance standards

    • ISO/IEC 17025:2017 for laboratory calibration and testing
    • Federal Test Method Standard No. 6010 (Explosives Detection)
    • ASTM E2677: Standard Guide for Analysis of Explosives
    • National Metrology Institutes’ internal calibration protocols

    Typical usage ratio

    • 0.01% to 0.1% w/w in calibration fluid; precision dosing ensures instrument linearity and repeatability

    Downstream process integration

    • Weighing and blending performed in temperature-controlled laboratory settings with solvent carriers, followed by filtration and sealed storage for standardized reference use

    Final product types

    • Certified calibration solutions for explosive detectors
    • Liquid standards for chromatographic instrumentation
    • Training simulants for forensic laboratories
    • Reference solutions for audit and regulatory compliance testing
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    Certification & Compliance
    More Introduction

    N-Propyl Nitrate: Expertise in Synthesis and Application

    Direct from the Hands of a Chemical Manufacturer

    Manufacturing N-Propyl Nitrate isn’t just a job for us—it’s rooted in the reality of mixing, monitoring, and tuning each batch to meet the strictest standards. Decades spent in our synthesis labs leave you with a deep knowledge of the raw materials, daily adjustments to process controls, and a constant awareness that every shipment relies on safety and consistency. Unlike distributors or brokers, we walk the production lines daily, talking to technicians, examining meter readings, and checking off each step as real product leaves the reactor—not just paperwork.

    Product Overview

    N-Propyl Nitrate (also known as Propyl Nitrate) is a clear, colorless liquid, recognized for its use both in research and selective synthesis. We produce several model specifications, but our most-requested grade sits at a reagent purity above 98%, with moisture content kept below measurable trace levels. Each lot receives batch-specific parameters for density and refractive index, but the core consistently follows the routes outlined through years of plant experience.

    Composition starts with propyl alcohol and high-purity nitric acid. Our team pays close attention during the reaction stage, primarily because the exothermic nature can run out of control without an operator’s guidance. Too many forget that handling such nitrates means daily vigilance—not just routine QA sampling, but education at the plant floor, reinforced by lessons learned from every previous cycle.

    You’ll find that products manufactured in our facility go under multiple tests—spectrometric and chromatographic—long before the containers reach loading bays. Trends in nitrate production highlight the dangers of lingering impurities. Even the smallest traces of acidity, unconverted alcohol, or inorganic residues can create problems down the process stream. We keep our own numbers transparent with customers, logging every finding alongside the date and operator initials.

    Application in the Real World

    N-Propyl Nitrate finds its main use in organic synthesis, especially in laboratories or factories focused on energetic materials and fine chemicals. Beyond the textbooks, practical constraints drive adoption. In energetics development, precise control over esterification goes a long way toward reducing side reactions that complicate scale-up or waste treatment. Researchers use this nitrate because it offers a specific balance: enough volatility to facilitate certain chemical transformations, but still manageable under careful laboratory practices.

    Several customers apply our product as a nitrating agent in pharmaceutical intermediates and for specialty explosives R&D. Here, we see firsthand how even small differences between lots lead to real effects, so our tech support teams often receive requests to match historical batches—notes in logbooks about reaction rates, color formation, or exothermic profiles prompt us to dive back into our own batch data to repeat successful runs.

    It’s common now to see integration with automated equipment, both in academic pilot plants and industrial test lines. This pushes expectations on chemical stability beyond old benchmarks. We focus on low water content and minimized byproducts because clients run these automations around the clock—nobody wants an unscheduled shutdown from an unpredictable side reaction.

    Why Chemical Consistency Matters

    Long-standing partnerships show one truth: chemical manufacturing turns on reliability. Nobody wants to worry about an off-spec batch, especially with nitrates, as even tiny contamination changes how intermediates react or store. Manufacturing at our facility involves strict isolation of process lines and dedicated raw materials, with teams trained to spot the earliest sign of cross-contamination by eye and instrument. For nitrates, which possess specific hazard profiles, that vigilance matters.

    Traveling the plant floor, we witness the importance of cleanroom-grade protocol, double-checking filtration and vessel integrity after every cycle. The familiarity with the sharp, distinctive smell of nitrates in process, the immediate instinct to probe a slight shift in viscosity, or the focus on precise temperature readings—these skills anchor daily work. This culture of precision keeps the product consistent, allowing customers to scale from laboratory vials to 200-liter drums without rewriting entire syntheses.

    While some competitors funnel different products through the same production lines to save costs, our practice keeps N-Propyl Nitrate isolated throughout. We see the benefit directly in performance, as feedback from industrial and defense partners often arrives in technical notes that mention cleaner burns, more predictable yield, or easier downstream purification—real impacts not found in paperwork but in day-to-day work.

    Key Differences from Other Nitrates

    Comparing N-Propyl Nitrate with commonly used methyl, ethyl, or isopropyl nitrates reveals some practical distinctions in the real-world lab. The propyl group brings a slightly higher boiling point compared to methyl or ethyl varieties, making it a better fit for reactions requiring a narrower thermal window. This affects how chemists design syntheses, especially when product volatility or side-product formation play a role in yields.

    In terms of reactivity, N-Propyl Nitrate strikes a middle ground—more manageable than methyl nitrate, which brings aggressive reactivity with lower energy input, but offering greater efficiency in certain alkylation steps than bulkier molecules. Some colleagues spend hours comparing notes about ester stability or gas evolution rates, especially in scenarios where shelf life or intermediate handling come up. Over the years, we’ve learned that a small difference in chain length changes not just the storage risk but how the material performs in chemical processes.

    N-Propyl Nitrate also tends to resist hydrolysis compared to smaller alkyl nitrates, which means less headache for those running longer reaction times. Our process chemists worked for years to eliminate micro-contaminants that easily hydrolize—lessons learned from batches lost to overlooked condensation or tiny leaks that dry analytics missed but experienced hands caught during tank inspections.

    Across the board, the propyl variant finds favor in scenarios where regulatory thresholds or hazard classes shift by volatility, with some markets preferring this molecule for lower raw material losses to evaporation. We document how this balances shelf life against required energy inputs, making recommendations tailored to what our customers see in their reactors—not theory, but plant-tested proof.

    Manufacturing Practices that Drive Better Quality

    Years ago, nitration processes suffered from experimental designs, and even minor errors left batches unstable or inconsistent. Our operations today rely on thermal probes, overpressure safeguards, and constant operator training. Production runs involve close monitoring of reaction times, pH tracking at multiple stages, and continuous logging by both automated systems and on-site managers.

    Supply chain management matters—from controlling the purity of incoming alcohol and nitric acid to managing intermediate storage and waste. We reject raw materials anytime we detect off-spec odor, color, or residue—even a slight bump beyond our control limits means a full halt and reassessment. Some of our biggest efficiency gains over the years stem not from new reactors but from improvements in tank cleaning and employee training—subjects that rarely find their way into marketing blurbs but show up every quarter in product consistency.

    Shipping protocols deserve mention. N-Propyl Nitrate’s stability depends on careful handling, especially for larger batches. Our logistics teams oversee packaging in approved drums and specialized containers, matching temperature and humidity controls set for safe transport. This minimizes risk not only to customers but also to everyone in transit. We supply standard and custom drum sizes by customer request, but each shipment comes with a traceable batch history, while drivers receive their own briefings about nitrate safety and requirements. Our records document years of incident-free deliveries.

    Meeting Regulatory and Safety Expectations

    Nitrate manufacturing cannot operate in a vacuum, isolated from the evolving landscape of chemical regulation. Everything from EU REACH to US hazardous material codes guides our decision-making. Each step of our production receives signoff from internal safety committees trained to align with both international standards and regional laws, reflecting not just compliance but deep-rooted safety culture.

    Historically, minor lapses in monitoring or documentation led to regulatory headaches—inspectors requesting full production logs, agencies proposing new labeling requirements, and lengthy reporting when anomalies occurred. We respond with transparent documentation, signed-off hazard labeling, and ongoing investments in control systems that let regulators audit not just individual batches but entire production histories at a glance.

    That commitment translates directly to risk reduction for our partners. Our internal incident database tracks decades of actual events, not just hypothetical scenarios. Employee education, reinforced by routine drills and open reporting structures, gives us confidence that necessary steps happen before problems can escalate. This brings peace of mind that shipments will arrive not only on time but also within regulatory boundaries—no surprises for your site managers or compliance teams.

    Challenges and Solutions in N-Propyl Nitrate Production

    Challenge arises consistently with heat management—the exothermic nature of the nitration demands robust temperature control. Even slight missteps risk runaway reactions. Every process improvement draws from operator observations and post-mortem analysis of non-conforming batches. Solutions include redundant cooling lines, alarms tied directly into control rooms, and a culture where any operator feels empowered to halt progress at the first sign of anomaly.

    Impurity control remains an ongoing focus. Nitric acid impurities, even in parts-per-million, alter downstream chemistry. Investment in real-time purity analytics, coupled with supplier audits and on-site storage improvements, help push reliability higher. We track each variable, from filtration speed to vessel age, and adjust maintenance schedules based on actual downtime or contamination reports—not theoretical targets.

    Emission controls come into play as environmental rules tighten worldwide. Our plant teams run scrubbers and neutralization tanks keyed to each reaction phase, with emissions measured by both manual checks and third-party audits. We regularly publish our emissions data as part of transparency agreements with local authorities and customers, confident that proactive action beats costly retrofits.

    Supporting Customers with Real-World Knowledge

    Feedback loops matter. Our R&D team spends time not just on new formulations but also listening to client concerns—batch-to-batch repeatability, unexplained color shifts, or improvements in storage life. Having the manufacturer on your side means you get answers rooted in the reality of chemicals, not just catalog descriptions. Customizations, pilot runs, or suggestions for process adjustments all draw from actual production data, with on-site visits and plant photographs available when clients want proof of our methods.

    We see our role as part partner, part technical guide. Many of our customers work in sensitive applications—defense, specialized synthesis, early-stage pharma. They want access to experts who have watched product ship and who respond directly when questions arise. We provide comprehensive access to analytical data, test case histories, and—as needed—failure analysis, so that end-users make evidence-based decisions about fit for purpose.

    Our in-house lab staff consult freely with customer process teams, sharing knowledge gained from production troubleshooting, recommendations for storage solutions that maximize shelf life, or procedural cautions based on emerging risk reports. This sort of support rarely appears in marketing but makes the difference between smooth production and costly downtime for any enterprise relying on specialty chemicals.

    Industry Trends and the Path Ahead

    Demand for N-Propyl Nitrate has shifted as sectors seek clean intermediates for high-value syntheses. Regulatory scrutiny and insurance demands mean many partners demand fresh documentation, production logs, and full transparency behind every product shipment. Digital transformation drives requests for real-time data sharing, meaning our IT and production teams invest in interface upgrades, secure cloud storage for batch records, and traceable audit trails linking raw materials to finished goods.

    Sustainability goals draw attention to raw material sourcing, process effluents, and waste recovery. Upgrades include energy-efficient equipment, improved heat exchangers, and waste reduction strategies developed in consultation with environmental auditors. Historical plant data helped us identify a key finding—process tweaks that started with maintenance staff insights, not consultancy reports, yielded sustainable improvements fastest. These solutions include closed-loop water systems, low-impact cleaning protocols, and minimum-viable waste targets adopted by shop-floor consensus.

    N-Propyl Nitrate’s footprint reflects this evolution. From the earliest days measuring yields with manual titration to today’s automated reactors linked to global supply chains, the core of success lies in discipline, openness, and a manufacturer’s willingness to engage at every step. It isn’t enough to outsource responsibility—the risks inherent to energetic chemicals require real engagement, a lesson taught by experience as much as by compliance.

    Conclusion: Built by Manufacturers, Informed by Experience

    Producing N-Propyl Nitrate consistently demands more than process sheets or laboratory targets. True reliability grows out of daily engagement—listening to operators with decades on the job, running side-by-side trials with process chemists, and tracking every variable that might tip a reaction toward risk. Plant history, evolving regulations, and technical talk in break rooms all contribute to a manufacturing approach that values detail, safety, and transparency.

    For those who require N-Propyl Nitrate, knowing about the origins, hands-on practices, and the working reality behind each drum makes the difference. As a manufacturer deeply involved at every step from raw material selection to final shipment, we take pride in an approach tested by years of feedback—with solutions built to last, and a product designed to become a reliable partner in your demanding applications.