Isobutyl Nitrite

    • Product Name: Isobutyl Nitrite
    • Alias: Rush
    • Einecs: 208-779-0
    • Mininmum Order: 1 g
    • Factroy Site: Yudu County, Ganzhou, Jiangxi, China
    • Price Inquiry: admin@ascent-chem.com
    • Manufacturer: Ascent Petrochem Holdings Co., Limited
    • CONTACT NOW
    Specifications

    HS Code

    329287

    Chemical Name Isobutyl Nitrite
    Molecular Formula C4H9NO2
    Molar Mass 103.12 g/mol
    Cas Number 542-56-3
    Appearance Clear yellow liquid
    Odor Fruity, sweet, volatile
    Boiling Point 65-67°C
    Melting Point -160°C
    Density 0.874 g/cm3 at 20°C
    Solubility In Water Slightly soluble
    Vapor Pressure 237 mmHg at 25°C
    Flammability Highly flammable
    Flash Point -16°C
    Refractive Index 1.385 at 20°C
    Stability Unstable; decomposes over time

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

    Packing & Storage
    Packing Isobutyl Nitrite is packaged in a 30ml amber glass bottle with a secure screw cap, labeled with hazard warnings and handling instructions.
    Shipping Isobutyl Nitrite must be shipped as a hazardous material according to international and local regulations. It requires leak-proof, secure containers, proper labeling, and documentation. The package must be kept away from heat, flames, and oxidizers, with ventilation ensured during transport. Only trained personnel should handle shipment and emergency procedures must be in place.
    Storage Isobutyl Nitrite should be stored in a tightly sealed container, away from heat, sparks, open flames, and direct sunlight. Store in a well-ventilated, cool, and dry area, separate from oxidizing agents, acids, and reducing materials. Protect from physical damage and moisture. Ensure proper labeling and keep out of reach of unauthorized personnel. Use appropriate explosion-proof storage if available.
    Application of Isobutyl Nitrite

    Applications of Isobutyl Nitrite in Industrial Manufacturing

    Isobutyl nitrite serves as an essential intermediate and process chemical for specialized industrial sectors. Below, we provide detailed application scenarios across major downstream segments based on direct manufacturing experience and documented use cases.

    1. Synthesis of Organic Intermediates for Agrochemicals

    Manufacturers in agrochemical production use isobutyl nitrite as a nitrosating agent for converting amines into nitroso derivatives, often in the multi-step synthesis of herbicide and pesticide active ingredients. This process requires controlled reaction conditions to achieve targeted molecular transformations, essential in formulating selective herbicidal and fungicidal compounds. The safety profile and reactivity of isobutyl nitrite demand close process monitoring, with precise dosing and reaction time adjustments to prevent undesired by-products during batch and continuous synthesis routes.

    Industry compliance standards

    • REACH (EC No 1907/2006) registration for safe substance use
    • ECHA guidance for downstream chemical synthesis
    • ISO 9001:2015 certified quality management systems for batch record traceability
    • National environmental and workplace safety standards (e.g., US EPA, EU CLP Regulation)

    Typical usage ratio

    • 0.8 – 2.0 molar equivalents relative to the primary amine substrate
    • Adjustments based on the desired degree of nitrosation and process yields

    Downstream process integration

    • Nitrosation step following amine extraction and prior to cyclization or coupling stages
    • Integration with automated dosing in closed reactor systems
    • Post-reaction quenching and separation for nitroso intermediate isolation

    Final product types

    • Nitrosamine fungicide precursors
    • Nitrosoalkane intermediates for herbicides
    • Custom agrochemical actives

    2. Rubber Accelerators and Vulcanization Aids

    In the rubber processing industry, isobutyl nitrite acts as a curing and vulcanization accelerator, modifying polymer network structure to enhance flexibility, durability, and aging resistance of finished rubber products. Typically, formulators dose isobutyl nitrite directly into the compounding phase, ensuring intimate dispersion with sulfur donors and secondary accelerators. Quality control laboratories monitor nitrite residue and crosslinking density per finished batch, as process consistency critically impacts physical performance for technical rubber grades.

    Industry compliance standards

    • ASTM D3182 for mixing practices
    • ISO 9001:2015 for compound traceability
    • RoHS Directive (EU) for permissible nitrosamine residues
    • NIOSH recommendations relating to process air quality

    Typical usage ratio

    • 0.2 – 1.5 phr (parts per hundred rubber) depending on base elastomer type
    • Adjustment based on required cure speed and final mechanical properties

    Downstream process integration

    • Batch addition during mastication with fillers and sulfur
    • In-line feed prior to open mill or internal mixer operation
    • Post-mixing thermal activation in press or mold curing

    Final product types

    • Automotive tire components
    • Sealing gaskets and O-rings
    • Specialty hoses and technical goods

    3. Industrial Metal Surface Cleaning and Etching

    Metal finishing facilities use isobutyl nitrite in controlled acid solutions to facilitate mild chemical etching and de-scaling of steel and copper surfaces. The compound generates nitrogen oxides in situ, enhancing the removal of oxides and residues prior to electroplating. Operators feed measured amounts during bath make-up, adjusting ratios based on the thickness and nature of the oxide layer. Process safety measures focus on limiting excessive vaporization, as well as adherence to environmental handling protocols for effluent treatment.

    Industry compliance standards

    • ISO 14001:2015 for environmental management
    • OSHA 29 CFR 1910.1200 (Hazard Communication Standard)
    • EU RoHS compliance for metal finishing chemicals
    • Wastewater discharge regulations (e.g., US EPA 40 CFR Part 433)

    Typical usage ratio

    • 0.5 – 1.2% by volume in acid cleaning bath formulations
    • Ratio adjusted in relation to base metal and expected oxide load

    Downstream process integration

    • Inline addition to pre-treatment and pickling baths
    • Metered dosing during continuous metal strip cleaning operations
    • Waste neutralization following etch cycles

    Final product types

    • Plated steel coils and copper foils
    • Engineered metal connectors
    • Electronics-grade circuit board substrates

    4. Intermediate for Bulk Pharmaceutical Chemical Synthesis

    The pharmaceutical manufacturing sector incorporates isobutyl nitrite as a precursor in synthesizing active pharmaceutical ingredient (API) intermediates, particularly for producing certain vasodilators and related compounds. Reaction conditions require full cGMP compliance, given sensitivity to nitrite impurities and product purity thresholds. Formulation chemists strictly control charge weights, solvent systems, and reaction monitoring to meet stringent pharmacopoeial standards, with downstream isolation and purification steps tailored to the target API route.

    Industry compliance standards

    • ICH Q7 (Good Manufacturing Practice for APIs)
    • USP/NF and Ph. Eur. standards for API intermediates
    • ISO 14644-1 for cleanroom manufacturing
    • FDA 21 CFR Part 211 for finished pharmaceuticals

    Typical usage ratio

    • 1.0 – 1.3 molar equivalents versus the primary substrate
    • Optimization follows pilot-scale yields and impurity profiling

    Downstream process integration

    • Nitrosation of amino derivatives in a controlled glass-lined reactor
    • Post-reaction phase separation and solvent stripping
    • Purification via crystallization or chromatography

    Final product types

    • Bulk intermediates for pharmaceutical vasodilators
    • Specialty nitroso API building blocks
    • Reference standards for regulated synthesis

    5. Laboratory Reagent for Analytical and Diagnostic Chemistry

    Producers of diagnostic testing kits use isobutyl nitrite in reagent-grade formulations for generating nitrosating species in biochemical assays, particularly for nitrosamine detection and qualitative testing of amines. Formulation teams standardize reagent concentration and purity to support analytical repeatability, and package kits in sealed, single-use ampoules or bottles for laboratory safety. Documentation supports traceability and compliance with laboratory chemical management standards.

    Industry compliance standards

    • ISO 17025 for laboratory management
    • GHS labelling under UN Recommendations on the Transport of Dangerous Goods
    • REACH Annex II for safety data sheets
    • Globally Harmonized System (GHS) packaging requirements

    Typical usage ratio

    • 0.1 – 1.0% (w/v) depending on test sensitivity
    • Adjustment based on assay method validation

    Downstream process integration

    • Direct preparation of colorimetric reagent solutions
    • Dispensing into multi-component diagnostic kit vials
    • Integration with automated pipetting for high-throughput assays

    Final product types

    • Commercial nitrosamine test kits
    • Biochemical analytical reagent sets
    • Quality control chemistry consumables

    6. Commercial Airbag Inflator Gas Generant Production

    Safety system manufacturers use isobutyl nitrite in the formulation of gas generant compositions for automotive airbag inflators. It reacts under controlled thermal conditions to release nitrogen oxides, contributing to the rapid, consistent deployment of airbag modules. Research and development teams optimize isobutyl nitrite inclusion to achieve target inflation rates and suppress undesirable combustion by-products, with rigorous in-process monitoring for trace contamination and batch reproducibility.

    Industry compliance standards

    • ISO/TS 16949 for automotive quality management
    • SAE J2239 (Airbag Gas Generant Test Methods)
    • DOT and UN regulations for transport of hazardous materials
    • Automaker-specific material specification standards

    Typical usage ratio

    • 0.3 – 1.0% by weight of total generant composition
    • Ratio varies with inflator canister volume and targeted gas output

    Downstream process integration

    • Pre-mixing in generant slurry blending operations
    • Compaction with other oxidizer and fuel components
    • Curing and granulation before final airbag module loading

    Final product types

    • Automotive driver and passenger airbag modules
    • Commercial side curtain inflators
    • High-speed crash sensor gas cartridges
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    Certification & Compliance
    More Introduction

    Isobutyl Nitrite: Behind the Product – Insights from the Factory Floor

    Understanding Isobutyl Nitrite from the Manufacturer’s Perspective

    Isobutyl nitrite stands out in the family of alkyl nitrites, with a long history in chemical industries that value reliability, good handling characteristics, and consistent reactivity. Here on the production floor, we spend every working day tracking how raw materials, operating temperatures, process controls, and storage impact the batch quality. That firsthand knowledge gives us a particular respect for nuances lost in generic descriptions.

    Many conversations about isobutyl nitrite start with its unique chemical structure. Looking past the formulas, you find a liquid with a low boiling point, a characteristic odor, and chemical properties that demand constant vigilance throughout manufacturing. We have learned that while raw materials such as isobutyl alcohol and sodium nitrite appear straightforward, any shift in purity or environmental conditions can upset the process, which needs precise temperature control and specialist venting to prevent unwanted byproducts. By maintaining close relationships with suppliers and calibrating our reactors daily, we build batches that minimize impurities and offer consistent reactivity, measurable both in lab assays and in the tangible feel of the liquid itself.

    Product Model and Specifications that Matter

    Within our facility, we produce isobutyl nitrite in liquid form, color ranging from clear to pale yellow, with strict monitoring of moisture, acidity, and density. The product typically delivers a purity level above 99.5 percent on a weight basis, measured by in-house gas chromatography. During bottling, we certify that each lot matches customer requirements for appearance, density—usually measured at 0.865 grams per cubic centimeter at 20°C— and acid content, which must stay below a set threshold to avoid destabilization during storage or application.

    We have found that strict batch segregation keeps contamination and double handling in check. Segregating lots stops cross-reactions, which can lead to costly downtimes. The investment in leakproof glass-lined tanks with controlled venting protects our operators and serves as an important layer of safety that those downstream in distribution may not always see.

    Main Uses and Industry Experience with Isobutyl Nitrite

    In production, usage trends shape what we make and how we adapt our process. Most end-users source isobutyl nitrite as a volatile component for specialized cleaning and solvent applications. Others value its role in gases for medical research, diagnostic test reagents, or in rare cases, as a chemical intermediate for niche synthesis.

    True utility emerges in real-world handling: isobutyl nitrite vaporizes quickly, dissolves in many organic solvents, and reacts with reducing agents. This combination attracts customers aiming to clean precision instruments, laboratory glassware, and in less common instances, in chemical research settings. Medical and research-grade users, in particular, require purity and stability, and every failed seal or off-spec batch brings pointed feedback – the kind that drives us to tweak processes, recheck filters, and demand tighter control on every inbound shipment.

    How Isobutyl Nitrite Compares to Other Alkyl Nitrites

    Many buyers ask why isobutyl nitrite instead of amyl nitrite, or even methyl nitrite. From the factory lens, small structural differences show up as big changes in volatility, odor, and storage demand. Isobutyl nitrite, for instance, carries a stronger aroma than some cousins, driven by the isobutyl group. This property shifts workplace handling requirements.

    Amyl nitrite, with two extra carbon atoms, brings higher boiling and melting points. Amyl dissolves less rapidly into air at room temperature, so handling protocols and recommended packaging shift accordingly. As a manufacturer, narrowly defined product specs let us optimize vacuum stripping, glassware cleaning, and even drum size, reinforcing that a one-size-fits-all mindset misses the point. Our technicians see fewer vapor losses with isobutyl nitrite than methyl nitrite and clearer, more reproducible test reactions compared to less pure alternatives.

    Stability and ease of sampling also come into play. Isobutyl nitrite tends to avoid rapid decomposition under normal refrigerated storage—a property that stems as much from careful stabilizer blending and tight batch turnover as from theory. Our process allows customers to work with fresh material that holds up under regional shipping and delays at the end-user site. Lab teams confirm, time and again, that batches made toward retailer-driven schedules display more variable performance, underlining the difference between carefully managed production and lower-cost imports.

    Quality Assurance Starts on the Workshop Floor

    Trust in our isobutyl nitrite begins far before bottles get labeled. The journey starts with solvent-grade isobutyl alcohol from vetted regional partners and reagent grade sodium nitrite, which we store under dry air to block caking and clumping. Blending, cooling, separation, and neutralization follow, each monitored with temperature probes and sampling to track acid content and prevent over-nitration.

    Technicians in our team routinely tweak reaction rates based on batch size and ambient humidity. Experience shows that minor pump speed changes or lapses in stirrer performance change the output, often flagged by unexpected acidity spikes or altered odor. Each batch receives in-line sample checks and post-process storage in nitrogen-flushed drums, avoiding atmospheres that erode stability across days or weeks. Final quality control depends on hands-on inspection—trained noses and eyes, supported by validated instrument data, catch issues that escape the casual user or traded products.

    Storage, Transportation, and Shelf Life: Lessons Learned

    Safe management of isobutyl nitrite doesn’t come down to catalog recommendations alone. Our direct experience moving product between tank farms and packaging lines uncovered the importance of vented, tightly sealed containers. This chemical likes to off-gas at mild temperatures, so even temporary lapses provoke noticeable weight loss or bottle deformation.

    Packaging lines run on a just-in-time basis, balancing between customer ship dates and internal humidity control. We ship fresh product in amber glass or fluorinated polyethylene bottles, never metal or porous plastics. Shipping under cooled conditions stretches shelf life but adds cost. More than a few lessons were learned from transport delays that forced re-validation of drum integrity and visual checks for pressure build-up. Over time, we implemented mandatory logging of every shipment’s temperature history to protect our downstream users.

    On site, storage under dry, cool, and dark conditions maintains product utility for six months or more—far longer than most outside observers believe possible. Users who respect date of manufacture and storage guidance usually see full activity through the entire volume, minimizing wastage and disposal needs.

    Health, Safety, and Compliance: Practical Implementation

    No matter the end-use, isobutyl nitrite’s safety profile drives decision-making every hour. Every batch that leaves the plant has passed hazardous waste management planning. Vapors trigger easy detection among even experienced teams, so training and well-ventilated spaces are part of every job.

    We fit our filling rooms with continuous vapor detectors at breathing height and build in emergency ventilation zones to avoid accidental exposure. Certified spill kits and neutralizing agents sit within arm’s reach near each tank and drum. This infrastructure grew over years of near misses and regulatory input, culminating in protocols that cut accident rates and satisfy rigorous internal audits.

    Worker protection never comes as a simple add-on. We supply full safety eyewear, nitrile gloves, and face shields for routine handling. Each operator passes a practical safety exam before working lines unsupervised. From exposure records to dedicated first aid points, we bake these processes into our daily routine and share them with customers interested in practical, not just theoretical, risk management.

    Market Pressures and Sourcing: The Manufacturer’s Reality

    Pricing and availability of isobutyl nitrite move with far more than just raw ingredient costs. Regional supply crunches, transportation strikes, and changing environmental controls all hit the factory, not just the trading desk. During tight periods, we draw down safety stocks and expand QC on inbound alcohol and nitrite, recognizing that subtle shifts ripple across every downstream order.

    Cheaper imports, often cut with higher water or residue, force us to clarify to customers what real, batch-tested isobutyl nitrite looks and performs like. The responsibility doesn’t end at the warehouse gate. Product recalls elsewhere have driven most end users—especially in scientific and medical areas—back toward direct sourcing from established manufacturers, spurring deeper relationships and stringent audit requests.

    Customer Feedback and Continual Improvement

    End-user feedback is the most honest barometer of how well our process serves real-world needs. Researchers and industrial users report not just on purity but the repeatability of reactivity from bottle to bottle. Irregular batches attract pointed criticism, leading us to upgrade vacuum dryers, recalibrate balances, or even tweak reaction times in response to customer complaints.

    Field data highlighted times when old drum stock failed mid-application, prompting upgrades to our packaging change-out frequency. The lessons learned from institutional users often drive us to change our labels, add lot traceability, and recalibrate every shipment’s documentation. Whenever a customer sends back a bottle due to odor changes or strange coloration, our technical teams launch a full review, from raw supplier logs to individual plant operator notes.

    The Role of Traceability, Transparency, and Regulatory Diligence

    Regulators and customers alike value transparency. Our facility maintains complete product tracing from raw material batch logs through reactor data, right to shipment records. This documentation isn’t treated as a paperwork exercise; it serves as the backbone of rapid problem-solving during investigations or internal process audits. Continuous improvement relies on honest record keeping, not marketing slogans.

    Periodic updates in environmental and chemical handling regulations call for rapid responses, affecting production schedules and documentation. Whenever new permits or reporting rules issue, we pivot immediately, revising storage capacities, updating fire safety plans, and communicating risks proactively rather than reactively.

    Looking Beyond the Batch: Challenges and Innovations

    Developing new application pathways for isobutyl nitrite never stops. Research teams bring fresh requests—from alternative solvent formats to wants for smaller, more user-friendly packaging. Change brings daily technical challenges: how to preserve purity, maintain stable bottling, and deliver on time.

    We see promising growth in electronic component cleaning, where material compatibility and low residue are critical. Innovators approach us directly, seeking modifications—like custom stabilizer blends or altered concentration—to suit device manufacture. These requests push us to rethink foundational processes and invite input from both customers and internal research staff.

    Pilot runs sometimes stumble. Attempts to switch to new reactor materials, or trials of different anti-oxidant additives, do not always deliver instant results. Failures and off-batch production, dissected in operator meetings, drive serious process overhauls. Every setback serves as a teaching moment for the workforce and a step forward for future batches, marking a continuous journey rather than a static achievement.

    Building Lasting Partnerships from Manufacturing Expertise

    Throughout daily production cycles, patterns emerge. Customers who engage deeply with the process get stronger results—a consequence of shared technical vocabularies and mutual respect. Taking the time to build those bridges, through factory tours, collaborative troubleshooting, or joint safety audits, yields more than numbers on a specification sheet.

    Market needs shift, and our approach has always been to adapt each process while holding quality and safety at the center. Every improvement—be it in reactor design, software-driven temperature tracking, or waste reduction—originated from hands-on operator feedback and close cooperation with partners who value a guarantee rooted in real work, not just documentation.

    A Commitment to Knowledge Sharing and Ethical Practice

    The chemical sector faces constant change: legislation, sustainability drives, and ever-rising standards for documentation and risk management. Navigating these demands requires production teams to treat every day as a learning opportunity, not merely a target to hit. Staff training, open discussion forums, and monthly audits reflect a culture where ignoring near-misses never gets normalized.

    Ethical manufacturing of isobutyl nitrite means refusing shortcuts, even as industry norms fluctuate. Every batch must stand for more than regulatory approval; it represents the shared trust of industrial buyers, research scientists, and factory workers keeping families safe. Compliance serves as a foundation, but the daily reality demands creativity and humility to act before problems escalate—not after the fact.

    Conclusion: Value Rooted in Hands-On Manufacturing

    Every bottle of isobutyl nitrite that leaves our facility represents more than a line item on a supply contract. It embodies the efforts of plant technicians, QC managers, and logistics teams whose routines are shaped by years refining every part of the process. By committing to practical, evidence-based improvement, partnership with genuine users, and strict adherence to process safety, we deliver both quality and peace of mind—batch by batch. Our work highlights the value of direct connection to manufacturing, where each decision grounds itself in concrete action, not distant corporate policy.

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