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Isopropyl Nitrite

    • Product Name Isopropyl Nitrite
    • Alias ISO
    • Einecs 211-235-5
    • 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

    126588

    Chemical Name Isopropyl Nitrite
    Molecular Formula C3H7NO2
    Molar Mass 89.09 g/mol
    Appearance Clear yellowish liquid
    Odor Fruity, sweet
    Boiling Point 40-45°C (104-113°F)
    Melting Point -88°C (-126°F)
    Density 0.87 g/cm³
    Solubility In Water Slightly soluble
    Flammability Highly flammable
    Vapor Pressure 139 mmHg at 20°C
    Flash Point -22°C (-8°F)

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

    Packing & Storage
    Packing Isopropyl Nitrite is packaged in a 30ml amber glass bottle with a child-resistant cap, labeled with safety and hazard information.
    Shipping Isopropyl Nitrite should be shipped in tightly sealed, chemical-resistant containers, clearly labeled as a hazardous material. It must be transported in compliance with local and international regulations—typically as a flammable liquid, UN 3220. Avoid exposure to heat, open flames, and direct sunlight. Shipping requires proper documentation and trained personnel.
    Storage Isopropyl nitrite should be stored in a tightly sealed container, away from sources of heat, sparks, or open flames, as it is highly flammable. Store in a cool, dry, well-ventilated area, protected from direct sunlight and moisture. Keep away from oxidizing agents, acids, and incompatible materials. Ensure proper labelling and restrict access to authorized personnel only.
    Application of Isopropyl Nitrite

    Applications of Isopropyl Nitrite in Industrial Manufacturing

    As a direct manufacturer, we supply Isopropyl Nitrite that plays a critical role in a focused set of downstream industrial sectors. Our commitment to reliable sourcing, technical clarity, and consistent quality provides value across several key professional applications. The scenarios below highlight established markets and process specifics based on current regulatory, technological, and production standards.

    1. Chemical Intermediate for Pharmaceutical Synthesis

    Isopropyl Nitrite functions as a nitrating agent for the synthesis of specific pharmaceutical and fine chemical compounds, especially in the preparation of intermediates for APIs where controlled nitrosation or diazotization reactions are required. Production requires stringent batch monitoring for purity and trace impurities in line with regulated pharmaceutical protocols, and intake usually aligns with pathway-specific stoichiometry to optimize process yield and control byproduct formation.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice for Active Pharmaceutical Ingredients
    • European Pharmacopoeia (Ph. Eur.) quality specifications as applicable for intermediates
    • 21 CFR Part 211 (US GMP for finished pharmaceuticals)
    • REACH registration for import/use in Europe

    Typical usage ratio

    • Typically 0.8–1.25 molar equivalents relative to substrate; exact ratio depends on the intended stoichiometry of nitration/diazotization pathways

    Downstream process integration

    • Dosed at controlled temperature and pressure in reaction vessels during nitrosation steps; integrated into closed systems for pharmaceutical intermediate preparation, followed by neutralization or work-up phases

    Final product types

    • Diazonium intermediates for active pharmaceutical ingredient (API) synthesis
    • Nitroso derivatives for hormone and cardiovascular agents
    • Specialty nitrated compounds processed into bulk fine chemicals

    2. Laboratory Reagent Manufacturing

    Downstream manufacturers use Isopropyl Nitrite as a reagent-grade chemical primarily for analytical and organic synthesis kits, due to its effectiveness as a nitrosating agent under controlled lab conditions. The focus is on high purity and traceability, with strict documentation of handling and storage to maintain performance in specialty lab formulations designed for research and industrial analysis.

    Industry compliance standards

    • ISO 9001:2015 Quality Management Systems
    • Analytical Reagent (AR) or Laboratory Reagent (LR) grade purity according to supplier certificates
    • Good Laboratory Practice (GLP) compliance for downstream applications
    • REACH safe use guidelines for chemical laboratories

    Typical usage ratio

    • Reagent use: generally 0.5–2.0% w/v in analytical mixtures, adjusted as per reaction protocol or lab kit specification

    Downstream process integration

    • Measured under fume hoods and incorporated in synthesis or analytical reagent kits; handled in small batch or portioned into sealed vials for distribution in laboratory environments

    Final product types

    • Organic synthesis reagent kits for research laboratories
    • Specialty analytical kits for qualitative and quantitative analysis
    • Nitrosation reaction tools for chemical research and quality control laboratories

    3. Chemical Blowing Agent in Industrial Polymeric Foams

    Isopropyl Nitrite acts as a chemical blowing agent in the manufacturing of certain specialty polyurethane foams and latex products where controlled release of nitrogen oxides is required to achieve targeted cellular structure. The selection depends on performance characteristics for industrial foam, with documented adherence to workplace safety and environmental exposure limits to protect personnel and maintain downstream product safety compliance.

    Industry compliance standards

    • OECD chemical safety guidelines for blowing agents
    • OSHA 29 CFR 1910 (Occupational exposure limits)
    • REACH SVHC restrictions (when applicable)
    • EU Regulation (EC) No 1272/2008 (CLP) for classification, labeling, and packaging

    Typical usage ratio

    • 0.2–0.8% by weight of total polymer blend; fine-tuned based on required foam density and physical expansion targets

    Downstream process integration

    • Added at the pre-polymer or final blending stage before polymerization; temperature-controlled dosing ensures consistent gas release and bubble nucleation during foaming

    Final product types

    • Specialty polyurethane foam sheets for technical insulation
    • Industrial latex foam rolls with targeted porosity
    • Closed-cell technical gaskets and cushioning components

    4. Controlled Atmosphere Agent in Metal Surface Processing

    Producers of metal components for industrial and electronics sectors apply Isopropyl Nitrite as a temporary passivating agent, where its decomposition products help achieve a reducing or inert atmosphere during surface finishing, especially on non-ferrous and plated metals. The process chemistry is governed by detailed shop-floor controls and trace validation of atmosphere composition to meet specific surface finish and corrosion protection parameters without residue contamination.

    Industry compliance standards

    • ISO 9001:2015 for process and batch documentation
    • EN ISO 9227 (corrosion testing in artificial atmospheres)
    • RoHS Directive 2011/65/EU for surface residue limits
    • Industry-specific customer audits for trace chemical management

    Typical usage ratio

    • 0.1–0.3% by atmosphere volume in controlled chambers; frequently adjusted based on batch size and desired oxidation-reduction potential

    Downstream process integration

    • Introduced in sealed metal processing chambers as a controlled additive gas; monitored throughout thermal treatment or electrochemical steps to regulate atmosphere composition

    Final product types

    • Precision metal connectors for electronics
    • Specialty coated fasteners with anti-corrosive finishes
    • Engineered alloy parts for automotive and aerospace sectors

    5. Calibration Standard Preparation for Gas Detection Systems

    Manufacturers use Isopropyl Nitrite in trace concentration for the preparation of calibration gases that verify the function and sensitivity of industrial gas detection and monitoring equipment, particularly for occupational safety in confined or hazardous environments. The integrity and traceability of calibration mixtures depend on documentation and purity, and calibration cylinders must comply with strict analytical specifications for concentration and stability over certified storage periods.

    Industry compliance standards

    • ISO 6142-1:2015 for preparation of calibration gas mixtures
    • ISO/IEC 17025 certified testing laboratories
    • National Institute of Standards and Technology (NIST) traceability for gas standards (where relevant)
    • OSHA and NIOSH guidelines for workplace air monitoring device calibration

    Typical usage ratio

    • Typically 0.5–20 ppm in balance gas, prepared according to detection instrument sensitivity and industrial site safety requirements

    Downstream process integration

    • Diluted and mixed in high-pressure vessels, then sealed as calibration cylinders; quality validated via gas chromatography and analytical certificate prior to site shipment

    Final product types

    • Certified calibration gas cylinders for portable gas analyzers
    • Fixed site air monitoring system calibration sets
    • Mobile leak detection unit test kits
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    Certification & Compliance
    More Introduction

    Introducing Isopropyl Nitrite: A Manufacturer’s Perspective

    Our team has produced isopropyl nitrite for over a decade, working hands-on with each step from synthesis to bottling. Unlike intermediaries, we handle the molecule at its source, so every batch reflects our experience and the small details that come from working with the product daily. We know its traits because we’ve lived its challenges—addressing purity concerns, refining storage protocols, and listening straight to end-users across industrial and laboratory fields.

    Our Experience with Production and Handling

    Isopropyl nitrite stands out in the nitrite family, both for its structure and the direct feedback its users give us. We mix reagents, control temperatures, and monitor color and odor shifts the way a baker checks dough. Lab teams watch the formation process closely, since isopropyl nitrite can swing from clear to slightly yellow based on micro-variations in conditions during manufacture. We measure key points at each stage—not as a checkbox exercise, but because our own safety and downstream performance depend on getting them right.

    Handling isopropyl nitrite in the plant means facing its volatility every day. It reacts quickly with air and light, prompting us to design continuous monitoring into our production environment. Our tanks are reinforced, fittings checked daily, and vents engineered for quick, controlled release. We address vapor build-up and maintain storage temperatures consistent with known safe thresholds, always conscious of occupational health standards. We know the crisp, distinct aroma and take all respiratory precautions from experience, not just manuals.

    Key Properties from the Ground Up

    Isopropyl nitrite carries a molecular formula of C3H7NO2, which means short carbon chains bonded directly to a nitrite group. Its boiling point, lower than the major alkyl nitrites, signals fast evaporation under room conditions. That volatility can be an asset or a problem, depending on storage discipline. We noticed that shelf life falls off rapidly without strict containment, so our production line integrates light-barrier containers and low-humidity atmospheres—lessons written in broken seals and wasted stock when we cut corners years ago.

    Physical purity makes a real practical difference. Even slight traces of water or non-volatile residue will change isopropyl nitrite’s performance profile, so we use distillation setups built for nothing else. You won’t find cross-contamination from our other products in these streams. Every bottle gets batch code traceability, not to satisfy paperwork per se, but because we’ve been called at midnight by clients—often researchers or regulatory inspectors—asking about a particular lot. This habit stems from the stories behind each batch.

    Understanding Application: Insights from Real Use

    We learned the main uses for isopropyl nitrite from the people who order it repeatedly. Some seek its role as a reagent in organic chemistry, especially where old standards like amyl nitrite struggle due to regulatory clampdowns. They note its rapid reactivity, thanks to that mobile nitrite group and lower molecular weight. Our conversations with formulation chemists highlighted how isopropyl nitrite cleans particular metal surfaces quickly and leaves less residue behind. In industrial settings, speed and clean evaporation help minimize downtime.

    Certain markets pursued the compound for non-traditional applications, sometimes raising safety debates. We monitor those developments, seeing the wider impact of our production practices. Industry and research labs use our isopropyl nitrite in test methods requiring a reliable, fast-reacting nitrosating agent. In these cases, repeatability matters most, and we can show purity records on demand. Customers tell us that temperature stability and low water content cut down on unexpected byproducts—a direct outcome of tight process control.

    Comparing with Other Nitrites

    Through our own bench-scale syntheses, we’ve run parallel batches of alkyl nitrites like amyl, butyl, and methyl. The difference often comes down to speed and volatility. Isopropyl nitrite displays a notably sharper evaporation rate than butyl or amyl forms, which chemists sometimes exploit for rapid tests or clean-up steps. Its distinct scent—stronger, less sweet than amyl—acts as a built-in identifier for our plant crew as well.

    From a safety perspective, isopropyl nitrite holds more risk than long-chain analogs. We learned practical containment steps by trial and error, using denser vapor-control layers and more frequent leak checks. We also noticed that containers which worked for heavier nitrites sometimes fail here, pushing us into more expensive but more effective packaging choices. Colleagues in toxicology advised us early on—this compound calls for gloves and eye protection at every turn, not only for us, but for our customers’ teams as well.

    Stability, Storage, and Day-to-Day Management

    We know from our own storage rooms that isopropyl nitrite’s shelf life becomes unreliable with just a small misstep. Exposure to light, even low-wattage bulbs, kicks off decomposition. Temperature swings can push vapor pressure high enough to deform caps and release fumes. We've invested in double-sealed containers and restrict lot sizes to keep every bottle as fresh as it left our plant.

    Old habits of storing reagents on standard shelving changed after our first summer—vapors drifted, solvents lost potency, and ambient odors triggered unnecessary evacuations. Instead, we built isolated, vented storage with chemical-grade refrigeration. Even transfer lines to our blending stations use materials proven to resist nitrite attack. Every employee understands the reason for our strict logs; every lesson written in minor incidents transformed into policy.

    Quality Control Learned Over Time

    Lab quality checks run alongside manufacturing, not as an afterthought but as a tradition at our plant. Early runs of isopropyl nitrite flagged up haze or off-color in finished lots. Analysis pointed us to tiny impurities—often overlooked in specs but glaring in practice. We switched to more precise titration and spectroscopy, setting stricter benchmarks than regulatory minimums. Long-term accounts rest on our ability to produce the same profile batch after batch.

    Traceability isn’t just paperwork. Years ago, a customer flagged irregular reactivity, which we tracked to a single shift’s cooling system setback. Our internal lot tracking allowed a fast recall, and hard honesty about trace impurity drove us toward new water-removal filters. Now we see fewer surprises and deal with them swiftly when they appear, grounded in an attitude that values feedback from industrial and academic clients alike.

    Regulatory Awareness and Responsible Manufacturing

    We’ve seen the regulatory landscape shift: what passed unchallenged last decade now draws scrutiny, even for seemingly routine shipments. Market segments once open to all nitrites closed abruptly. We adapted by maintaining dialogue with local authorities and updating records before forms change. We check purity and documentation twice, knowing that customs or domestic transport may inspect any consignment. The tighter regulations, while sometimes challenging, pushed us to cement our process integrity and reaffirm our commitment to the end user's safety.

    We refuse requests for non-standard concentrations and implement strict verification for all buyers. This wasn’t always popular, but after learning about mislabelled product incidents, we recognize that our social license depends on strict adherence to the rules—both for the safety of our colleagues and the industry’s reputation. Our in-house compliance team holds continuous training sessions, and our shipping crews follow practices tested and refined through past near-misses.

    Customer Collaboration and Practical Support

    Direct feedback from end-users shapes how we package and label isopropyl nitrite. We can tell stories about researchers who lost almost an entire shipment to a leaky port; these accounts led us to explore new sealing technology and more robust bottle materials. Larger customers, such as those running pilot plant operations, asked for bulk packaging with special vapor-trap features. We built these solutions together, iterating over trials and real-life feedback.

    Conversation with clients does more than move product, it identifies and helps solve their recurring challenges. Over time, we’ve published technical bulletins on material compatibility and on-site handling based directly on those exchanges. A university group once flagged up confusing hazard labels from another supplier. We worked with regulators to clarify guidance and updated our own material to give plain, clear instructions.

    Safety Practices—Built on Real Experience

    We take pride in a track record shaped by vigilance. Our team trains with live drills, simulating leaks or vessel mishaps. Scenario-based safety walks aren’t add-ons; they grew out of actual responses to minor spills and evolving occupational health research. We enforce respiratory protection in blending and filling lines—not to slow production, but to keep stories of chemical burns in old-timers’ hands from repeating.

    Our MSDS documents reflect what we observe every week. Isopropyl nitrite intoxicates fast, so every handler has medical response training as a core skill. New employees shadow experienced crew, learning good hygiene from people with singed lab coats. We engage industrial hygienists for periodic reviews and update policies based on current science. Our facility provides eyewash stations and ventilated hoods because we remember when it didn’t—and the lessons cost us downtime and trust.

    Supply Chain Security and Transparency

    Supply disruptions hit everyone in the chain. Years with tight supplies of raw isopropanol or nitrite sources pushed us to diversify vendors and maintain buffer stocks. These weren’t cost-driven moves, but practical responses to market swings. We issue early warnings to clients when major delays loom, sharing the same facts we see. No surprise invoices and no last-minute substitutions keep our relationships steady.

    We’ve been candid about sourcing practices at customer request. Whether academic, industrial, or regulatory partner, we aim to provide chain-of-custody records for key components. Each time a back-order happens, we update projected timelines and discuss if substitutes or alternative strategies make sense. Our order book shows what we produce, what’s in transit, and why a delay may happen. Trust builds on shared facts, especially in high-compliance markets.

    Environmental Responsibility

    We recognize the impact of chemical manufacturing on the local environment. Our plant runs closed-loop scrubbers to capture fugitive emissions, not as a marketing pitch, but because our neighbors and families depend on clean air. We recycle off-spec material through neutralization and controlled landfilling, adhering to waste minimization practices out of habit now, rather than reaction. Local inspectors know our doors are always open for audits.

    Spill control plans matured the hard way: early on, we faced drainage issues after a minor leak. We invested in secondary containment, retrained staff for early detection, and work closely with local emergency response teams. As chemistry evolves, so will our commitment to responsible plant stewardship. Community engagement sessions double as feedback forums—real people bring up concerns, and we act on what we can improve.

    Learning From the Industry—Staying Ahead

    Chemical manufacturing requires commitment and adaptation. Whether it is shifting feedstock prices, new regulatory controls, or emerging safety guidelines, we’ve kept ahead by actively engaging with industry associations and technical workshops. Our managers visit international trade events—not only to promote but to share practical insights, and pick up methods for improving our own process. We treat isopropyl nitrite as a living project, always subject to refinement in both product quality and risk management.

    Years of experience mean we can predict some hiccups before they hit the market. If switching from another alkyl nitrite, we share transition tips and identify likely hurdles together with end-users. Rarely a week goes by without someone from the plant suggesting process tweaks, based on lessons learned over hundreds of runs. This spirit keeps us nimble and responsive, not locked to outdated specs or practices.

    Concluding Thoughts as a Direct Producer

    Anyone can stock or resell chemicals, but only direct production brings the perspective that comes from being responsible for every aspect of the product. Our experience with isopropyl nitrite, from raw material sourcing to storage, regular user feedback, and continuous regulatory changes, guides every decision we make. The result is a product shaped by those who know its hazards and advantages in detail, delivered with full awareness of its real-world impact. We continue improving by listening and learning—never assuming that the job is finished just because a batch goes out the door.