Tengfei Creation Center,55 Jiangjun Avenue, Jiangning District,Nanjing admin@sinochem-nanjing.com 3389378665@qq.com
Follow us:

4-Methyl-3-Nitrobenzonitrile

    • Product Name 4-Methyl-3-Nitrobenzonitrile
    • Alias 4-Methyl-3-nitrobenzenecarbonitrile
    • Einecs 626-045-5
    • 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
    VTB
    Specifications

    HS Code

    675655

    Name 4-Methyl-3-Nitrobenzonitrile
    Cas Number 5212-35-5
    Molecular Formula C8H6N2O2
    Molar Mass 162.15 g/mol
    Appearance Yellow crystalline solid
    Melting Point 129-131 °C
    Density 1.30 g/cm³ (estimated)
    Solubility In Water Slightly soluble
    Smiles CC1=CC(=CC(=C1C#N)[N+](=O)[O-])
    Inchi InChI=1S/C8H6N2O2/c1-6-2-3-7(5-9)8(4-6)10(11)12/h2-4H,1H3
    Purity Typically ≥98% (varies by supplier)
    Storage Conditions Store at room temperature, keep container tightly closed
    Hazard Statements May cause irritation to skin, eyes, and respiratory tract

    As an accredited 4-Methyl-3-Nitrobenzonitrile factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing The 4-Methyl-3-Nitrobenzonitrile is supplied in a 100g amber glass bottle, tightly sealed, with clear hazard and identification labeling.
    Shipping 4-Methyl-3-Nitrobenzonitrile is shipped in tightly sealed containers, protected from moisture and direct sunlight. It should be transported as a hazardous chemical, following all relevant regulations (such as DOT and IATA guidelines). Appropriate labeling and documentation are mandatory, and handling requires personal protective equipment to avoid inhalation, skin, or eye contact.
    Storage 4-Methyl-3-nitrobenzonitrile should be stored in a tightly sealed container in a cool, dry, and well-ventilated area, away from incompatible substances such as strong oxidizers and acids. Protect the chemical from moisture, heat, and direct sunlight. Ensure proper chemical labeling, and keep storage away from sources of ignition. Access should be restricted to trained personnel only.
    Application of 4-Methyl-3-Nitrobenzonitrile

    Applications of 4-Methyl-3-Nitrobenzonitrile in Industrial Manufacturing

    4-Methyl-3-Nitrobenzonitrile serves as a highly specialized intermediate in several distinct chemical production chains, supporting critical synthesis steps where its unique molecular structure enables targeted downstream reactions. The applications listed below represent established, high-value B2B scenarios that require strict compliance, defined formulation strategies, and traceable process integration.

    1. Synthesis of Pharmaceutical Pyridine Derivatives

    Downstream pharmaceutical companies select this intermediate for the stepwise construction of pyridine-based active pharmaceutical ingredients (APIs), especially within multi-stage synthesis routes for anti-inflammatory and cardiovascular medications. The raw material acts as a crucial nitrile donor, where its ortho-nitro and methyl substituents facilitate regioselective transformations via reduction, cyclization, or hydrolysis, ensuring purity targets during API development and scale-up. Quality managers evaluate each input based on regional pharmacopoeias and mandatory process validation, as impurity profiles directly impact final API compliance.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice for Active Pharmaceutical Ingredients
    • European Pharmacopoeia (Ph. Eur.)
    • United States Pharmacopeia (USP)
    • China Pharmacopoeia (ChP)

    Typical usage ratio

    • Formulators use 1.0–1.2 molar equivalents relative to the input aldehyde or ketone precursor, matched to the target API synthesis pathway and monitored via in-process HPLC to minimize by-products.

    Downstream process integration

    • Introduced during initial coupling or ring-forming condensation reactions, typically dissolved in polar aprotic solvents and subjected to reductive or oxidative processing before isolation of purified pyridine intermediates.

    Final product types

    • Cyclooxygenase inhibitors (anti-inflammatory drugs)
    • Pyridine-based antihypertensive APIs
    • Pyridine ring-system intermediates for custom synthesis

    2. Agrochemical Intermediate Production

    This raw material supports the production of specialized nitroaromatic intermediates required in new-generation crop protection agent synthesis. Agrochemical manufacturers leverage the electron-rich nucleus for further nitration, reduction, or amination, creating base scaffolds for multiple classes of herbicides and insecticides. Supply chain managers use traceable batches according to agrochemical sector regulatory requirements, as both precursor and process by-products undergo environmental and toxicological assessment before scale-up.

    Industry compliance standards

    • FAO/WHO specifications for pesticide technical materials
    • ISO 9001:2015 Quality Management System
    • Regulation (EC) No 1107/2009—EU Plant Protection Products
    • US EPA Pesticide Registration requirements

    Typical usage ratio

    • Processing facilities adjust input loadings from 0.5–1.3 equivalents per downstream coupling reagent, depending on the product selectivity and conversion rate monitored by in-process GC-MS.

    Downstream process integration

    • Added as a core substrate in nitroaromatic condensation or partial reduction steps, followed by post-derivatization to achieve desired bioactivity profiles in final crop protection agents.

    Final product types

    • Nitrobenzamide herbicide intermediates
    • Systemic insecticide precursors
    • Custom nitroaromatic scaffolds for agricultural R&D

    3. Dye and Pigment Intermediate Manufacturing

    The nitro and nitrile functionalities make this compound highly suitable as a building block in the synthesis of high-performance azo and anthraquinone dyes. Colorant producers require the precursor to enable programmable diazotization and coupling, influencing hue intensity, solubility, and fastness properties of textile and technical pigments. Laboratory and production teams enforce batch characterization using internationally recognized colorant standards to ensure downstream process uniformity and environmental compliance during large-scale manufacture.

    Industry compliance standards

    • OEKO-TEX Standard 100—Chemical Requirements for Dyes
    • ZDHC Manufacturing Restricted Substances List (MRSL)
    • ISO 9001:2015 for pigment/dye production
    • EU REACH Annex XVII Restrictions

    Typical usage ratio

    • Used at 2–8% weight/weight basis in the total dye feed, increased for deeper shade intensity or modified according to chromophore building reactions monitored by spectrophotometry.

    Downstream process integration

    • Intentionally introduced in controlled diazotization or coupling reactors, integrated into the dye backbone at early or mid-stage to maximize chromophore yield along pigment synthesis routes.

    Final product types

    • Azo dyes for textile coloration
    • Anthraquinone pigment intermediates
    • Reactive and direct dye colorant formulations

    4. Liquid Crystal Material Precursor for Advanced Electronics

    This chemical enters as a functionalized precursor for custom-designed rodlike molecules in the production of specialty liquid crystals, necessary for high-performance LCD (liquid crystal display) applications. The presence of both electron-withdrawing and donating groups provides critical polarity and rigidity profiles, directly affecting the optical and electrochemical behaviors in display manufacturing. Downstream integration requires electronic-grade quality management, and material selection must meet comprehensive international reliability and purity standards.

    Industry compliance standards

    • IEC 61249-2-21 for materials in electronic assemblies
    • IATF 16949:2016 for automotive display supply
    • RoHS 2011/65/EU (lead, mercury, and substance restrictions)
    • ISO 14001 Environmental Management System (display sector)

    Typical usage ratio

    • Blending ratio ranges from 0.7–2.5% by total reactant mass, fine-tuned for mesogenic core synthesis based on viscosity and phase transition property analysis.

    Downstream process integration

    • Added at molecular design stages during base skeleton formation when constructing novel mesogens, followed by purification under semi-batch or continuous flow to ensure narrow impurity distribution and consistent batch yield.

    Final product types

    • Liquid crystal display (LCD) mesogens
    • Specialty biphenyl-type liquid crystals
    • Precursor blends for high-definition display panels

    5. Custom Synthesis Building Block in Fine Chemical R&D

    Specialty chemical companies and contract development organizations rely on this compound as a key building block for diverse fine chemical research projects. The defined positioning of nitro, methyl, and nitrile groups enables sophisticated cross-coupling, reduction, and substitution chemistry across pharma, material science, and analytical reagent development programs, where traceability and adaptable batch size are critical. Projects operate within non-GMP or pilot-plant GMP settings with close process monitoring to capture kinetic and purification profiles.

    Industry compliance standards

    • ISO/IEC 17025 for laboratory validation
    • Relevant client-specific standard operating procedures (SOPs) and quality agreements
    • GMP guidelines for investigational or pilot-scale intermediates—if required
    • Responsible Care® and local chemical safety rules

    Typical usage ratio

    • Applied at 0.1–3.0 molar equivalents, adjusted to reaction type (e.g., Suzuki or Buchwald-Hartwig coupling, selective reduction), with preliminary small-scale optimization before transfer to larger vessels.

    Downstream process integration

    • Charged into custom synthesis reactors according to project-specific chemistry, often at key diversification or scaffold-decoration stages to enable targeted molecular design elements.

    Final product types

    • Analytical derivatization agents
    • Functionalized intermediates for pharma/materials startups
    • Specialty ligands for catalysis or polymer modification
    Free Quote

    Competitive 4-Methyl-3-Nitrobenzonitrile prices that fit your budget—flexible terms and customized quotes for every order.

    For samples, pricing, or more information, please call us at +8615371019725 or mail to admin@sinochem-nanjing.com.

    We will respond to you as soon as possible.

    Tel: +8615371019725

    Email: admin@sinochem-nanjing.com

    Get Free Quote of Sinochem Nanjing Corporation

    Flexible payment, competitive price, premium service - Inquire now!

    Certification & Compliance
    More Introduction

    4-Methyl-3-Nitrobenzonitrile: Insightful Perspectives From the Manufacturer’s Workshop

    Bringing a Fine Organic Intermediate to Industry

    4-Methyl-3-Nitrobenzonitrile stands out for its role in chemical synthesis. Through years of experience in the fine chemicals sector, the value of this compound always becomes clear. Working with aromatic nitriles challenges every producer; precise crystallization, purity benchmarks, and safe handling drive daily operations. In the plant, the sight of bright yellow crystalline batches ready for QC reminds us of the precision our processes aim to maintain. This compound, with its methyl, nitro, and nitrile groups, reflects how small changes on a benzene ring shape both reactivity and application.

    Consistent Production: What It Really Means

    Reliable supply and consistent quality do not spring from chance. Glass-lined reactors, calibrated feed pumps, carefully filtered raw materials — those make the difference between good and great batches. Our team only passes batches through final packaging after passing rigorous checks using HPLC and GC-MS. We especially check for isomeric impurities and residual solvents. QC results guide adjustments to every reaction stage. Our best yields approach ninety percent, but experience has shown that even small changes in agitation speed or reaction time alter the profile. This compound’s stability under standard storage frees up logistical planning, avoiding cold-chain headaches that come with more delicate nitriles. Still, trained eyes monitor for any sign of clumping or color change during storage periods longer than six months.

    Diversified Applications in Synthesis

    Colleagues in the pharmaceutical sector rely on aromatic nitriles to construct complex molecular frameworks. The value of 4-Methyl-3-Nitrobenzonitrile rises from its dual functional groups: the electronegative nitro group and the reactive nitrile, linked in a meta configuration with a methyl group ortho to the nitrile. Custom syntheses benefit from this scaffold’s reactivity; amine and amide derivatives spring from catalytic hydrogenations, while reduction elsewhere leads to pharmaceutical intermediates found nowhere else.

    For colorant producers, the combination of nitro and methyl groups enables access to azo dye components that saturate colors or shift spectral absorption. We refine our product’s color properties to suit different pigment manufacturers, tracking hue and brightness as closely as chemical purity. For agrochemical producers, this compound’s reactivity opens doors to urea and amide derivatives with specialized pesticidal activity. Clients regularly discuss projects that hinge on this unique molecular structure — both for new patent applications and for optimizing processes in established product lines.

    Specification and Batch Practice: Experience Over Assumptions

    We produce 4-Methyl-3-Nitrobenzonitrile to typical purities exceeding 99 percent by HPLC, with residual solvent levels well within REACH and local guidelines. Our facilities adopted water-efficient nitration and cyanation methods that lower costs and sharpen purity. Technicians strictly follow charging sequences; even one wrong order of reactants can introduce undesired isomers or oxidation side reactions. To avoid trace contamination, batches switch through dedicated lines, and cleaning logs are cross-verified by separate staff.

    For years, scale-up demanded trial after trial to curb side reactions leading to unwanted ortho or para substitutions. Only consistent testing — from the earliest pilot runs through industrial lots — brought today’s high yields. Our in-house analytics show that particle size distribution matters for certain downstream processes; smaller crystals provide better flow in automated weighing and feeding equipment. Direct feedback from tableting and granulation operators inspired our latest filtration changes, doubling throughput for customers with fine-tuned powder requirements.

    Key Differences From Similar Benzylnitriles and Nitroderivatives

    In daily operations, we see distinctions between 4-Methyl-3-Nitrobenzonitrile and other nitrobenzonitrile isomers or methylated nitriles. Substitution patterns profoundly change chemical and physical behavior. We handle 3-Methyl-4-Nitrobenzonitrile at different temperature profiles because the connectivity shifts melting points and alters reactivity in coupling steps. For process chemists, the position of the nitro group sets the rate of nucleophilic aromatic substitution; yields with various amines or alkoxides change drastically compared to the para- or ortho-analogs.

    Unlike plain benzonitrile, which finds mundane uses in solvents and basic chemical synthesis, this compound works as a specialty building block when selectivity and functionality matter. Downstream polymer chemists choose it to insert nitro and methyl handles at predetermined spots for controlled crosslinking, unavailable from unsubstituted or otherwise substituted benzonitriles. The meta relationship between the nitro and nitrile differentiates its behavior during reductions; we see cleaner hydrogenation sequences and fewer unwanted byproducts than with many ortho alternatives.

    Challenges on the Shop Floor: What Chemists and Operators Notice

    Producing 4-Methyl-3-Nitrobenzonitrile does not just call for technical skill; it calls for daily vigilance. Everyone in our facility knows that nitration reactions demand slow addition and exact cooling, or runaway exotherms can occur. The yellow crystals develop their distinctive color at a narrow point in the workup — too long in the mother liquor, and color quality drops, too brief, and yield lags. During purification, maintaining the right vacuum minimizes residual solvent entrapment. Analytical operators pick out even tiny shifts in impurity profiles, and experienced hands know which process tweaks might be the cause.

    Logistical staff learned to track drum integrity and pallet stacking patterns, especially for export shipments exposed to vibration and climate swings. Tech teams continually upgrade packaging to resist water ingress, as even small moisture uptake can disrupt solubility on clients’ lines. We answer questions on everything from regulatory filings to particle size matching, because each customer’s process — whether continuous or batch — brings new handling insights.

    Health, Safety, and Regulatory Priorities

    Experience teaches respect for every chemical we handle. 4-Methyl-3-Nitrobenzonitrile, though less volatile than some counterparts, still requires gloves, goggles, and diligent air monitoring. Operators run nitration equipment in negative pressure suites, isolating any fume releases and preventing cross-contamination. Training refreshers stress the importance of early detection of leaks or off-spec dust levels. For years, our EHS staff have compiled incident near-misses into a best-practice protocol followed across all shifts.

    Documentation aligns with local and global standards, so shipments meet expectations in the Americas, Europe, and Asia. Continued reporting on SVHC and GHS obligations means our clients keep their own compliance streamlined. Regulatory updates sometimes shift allowable impurity thresholds or trigger new paperwork requirements, which we keep our records up to date to handle. Weekly toolbox meetings bring up any new guidance, and everyone contributes practical solutions to emerging operational safety questions.

    Manufacturing for the Real World: Technology, Cost, and Trust

    All investments, from reactor upgrades to lab automation, draw from years of real-world trade-offs. We didn’t settle on the current workflow without setbacks and restarts along the way. Reactor jacket leaks, imperfect catalyst recoveries, and supply chain snags each left marks on our procedures. R&D teams consult not only published literature but also in-house data when tweaking catalysts or support materials.

    At the purchasing table, rising input prices keep the team alert. Sourcing staff work with a long list of raw material suppliers, hedging procurement to avoid bottlenecks on key reactants like toluonitriles or metallic catalysts. Tank farm staff monitor solvent stocks with an eye on cost, waste, and resale value for spent streams. Every new cost pressure brings brainstorming sessions between engineering, logistics, and safety teams, weighing changes against purity and throughput. The constant aim: keep prices competitive without losing the quality foundation our partners count on.

    Customer Partnerships and Continuous Feedback

    Direct dialogue with formulators and technical staff at customer plants shapes improvement targets every month. Some clients need micron-scale batches, others demand ISO-certified drum lots for high-volume production. Our technicians ship out test samples, not as marketing gestures, but to collect real feedback on crystal structure, solubility response, and application outcomes.

    Our engineers join customer scale-ups for on-site troubleshooting — a crystallization that won’t complete, a blocked filter, or an off-spec powder flow. Those joint sessions turn into the next round of lab trials and production tweaks back home. No technical bulletin matches the insight of a plant operator watching a process in full swing. That collaboration tightens our learning loop and lets us target upgrades that fit production on either side of the partnership.

    Sustainability Moves Beyond Slogans

    Making aromatic nitriles once meant acid waste, solvent overuse, and high-energy footprints. Sustainability shifts only took hold after every team member saw how reworked water systems, energy-efficient pumps, and spent solvent recovery could pay off at scale. Process chemists led by example, redesigning reaction sequences to trim steps and cut solvent inventory. Our largest reduction in waste came after a full review of filtration residues, which led to a greater push for closed-loop cleaning.

    Today we supply 4-Methyl-3-Nitrobenzonitrile from a facility using recovered heat for secondary unit operations, and waste solvent streams flow to external recyclers. Operators suggest tweaks to cleaning routines and swap out legacy packing for greener options as costs and practicality align. These are not static victories; regulatory targets and input prices keep evolving, always triggering another look at the data. Each improvement effort gets measured not just by resource savings, but by process stability and customer reliability. Our future rests on hundreds of small changes, not a single leap.

    Product Traceability and Authenticity

    In a world where adulteration risks rise, traceability and batch integrity remain non-negotiable. Every drum shipped links to digital logs tracing every step — raw material batches, in-process parameters, QC readings, cleaning verifications, and shipment conditions. This database supports audits by major pharma, agrochemical, and dye houses. Counterfeit material never slips through because original certificate records and on-site batch code checks prevent mixing real product with unknowns sold by traders or casual brokers.

    Customers occasionally request chain-of-custody validation, especially for regions with strict customs controls. We provide not only batch history but live access to test results and transport logs. These systems mean our product stands apart from look-alike offerings moving through third-party and resold channels. The real value lies not only in the purity certificate, but in the record of care from loading dock to client’s reactor line.

    Looking Ahead: Innovation Sets the Path

    As markets change and specialty requirements deepen, we keep refining the ways we make and support 4-Methyl-3-Nitrobenzonitrile. Collaborative development with global customers feeds our innovation list, whether the target is smaller batch flexibility for specialty pharma runs or tailored particle profiles for pigment extruders. Continuous investment in automation, faster analytics, and greener route development lets us take on more ambitious projects. Our team adjusts to new batch sizes, packing demands, and compliance scrutiny faster each year.

    Tomorrow’s projects call for even tighter tolerance on specification and delivery, and wider technical support for local and global end-users. Every customer specification triggers fresh conversations between chemists, engineers, operators, and customer representatives. This cycle connects our lab work and plant operations to progress beyond basic supply, and to enhanced value in end-use chemistry. In this partnership, every improvement in production ripples out into better process chemistry, whether in a pilot lab, a paint house, or a pharmaceutical manufacturing line.

    Final Reflections From the Production Floor

    Working with 4-Methyl-3-Nitrobenzonitrile brings a daily mix of routine and challenge. Every shift, lab check, and feedback alert connects us to our customers, our peers, and the chemical community using our product. Manufacturing this compound draws on everything from batch discipline and regulatory expertise to inventiveness in sustainability and authenticity. Our ongoing dialogue with the world’s most demanding chemical users gives deeper meaning to the effort behind each bag and drum we produce. This approach does not just make reliable product — it builds lasting progress for our partners and the industries they serve.