|
HS Code |
211120 |
| Chemical Name | Malononitrile |
| Cas Number | 109-77-3 |
| Molecular Formula | C3H2N2 |
| Molecular Weight | 66.06 g/mol |
| Appearance | White to pale yellow crystalline solid |
| Melting Point | 31-33°C |
| Boiling Point | 220°C |
| Density | 1.127 g/cm³ |
| Solubility In Water | Miscible |
| Flash Point | 160°C (closed cup) |
| Vapor Pressure | 0.08 mmHg at 25°C |
| Odor | Faint, characteristic |
| Refractive Index | 1.419 at 20°C |
| Pubchem Cid | 7738 |
| Iupac Name | Propanedinitrile |
As an accredited Malononitrile factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Malononitrile, 250g, is packaged in a tightly sealed amber glass bottle with hazard labels, product details, and safety instructions. |
| Shipping | Malononitrile should be shipped in tightly sealed containers, protected from moisture and incompatible substances. It is typically transported as a hazardous material under UN 1307, Class 6.1 (toxic substances). Use appropriate labels and documentation, and ensure compliance with all local, national, and international shipping regulations for safe handling and transit. |
| Storage | Malononitrile should be stored in a tightly closed container, in a cool, dry, and well-ventilated area away from heat, sparks, and open flames. It must be kept away from incompatible substances such as strong oxidizers and bases. Storage conditions should minimize moisture exposure to prevent hydrolysis, and containers should be clearly labeled to ensure safe handling and identification. |
|
Purity 99%: Malononitrile Purity 99% is used in pharmaceutical intermediate synthesis, where high purity ensures optimal yield and reduced side products. Melting Point 31°C: Malononitrile Melting Point 31°C is used in organic reactions requiring precise temperature control, where its low melting point facilitates easy handling and dissolution. Stability Temperature 70°C: Malononitrile Stability Temperature 70°C is used in storage and transportation, where its thermal stability minimizes decomposition risks. Molecular Weight 66.06 g/mol: Malononitrile Molecular Weight 66.06 g/mol is used in agrochemical formulation, where accurate dosing is enabled by consistent molecular mass. Moisture Content ≤0.3%: Malononitrile Moisture Content ≤0.3% is used in polymer additive production, where low moisture content prevents hydrolysis and enhances reaction efficiency. Particle Size <50 µm: Malononitrile Particle Size <50 µm is used in catalyst preparation, where fine particle distribution improves catalytic surface area and reaction rates. Assay (GC) ≥99.5%: Malononitrile Assay (GC) ≥99.5% is used in dye manufacturing, where high assay levels ensure vibrant color formation and uniform product quality. Residual Solvent <0.01%: Malononitrile Residual Solvent <0.01% is used in electronic chemical synthesis, where minimal residual solvent maintains electrical properties and material integrity. |
Competitive Malononitrile prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please contact us at +8615365186327 or mail to admin@ascent-chem.com.
We will respond to you as soon as possible.
Tel: +8615365186327
Email: admin@ascent-chem.com
Flexible payment, competitive price, premium service - Inquire now!
Producing malononitrile year after year has taught us what attention to detail really means. Chemically known as propanedinitrile, malononitrile plays a critical role across several sectors—pharmaceuticals, organic synthesis, electronics, and dye manufacturing. Here, our focus remains on purity, integrity of material, and supporting clients who depend on stringent quality every time they open a new drum. We don’t cut corners, because each batch reflects on our credibility as the manufacturer.
Our standard production follows a rigorous quality protocol, always using high-grade raw materials. The chemical structure, CH2(CN)2, might look simple on paper but the process behind clean, uniform, colorless crystals requires real experience. Staying consistent batch after batch matters more than any claim made in glossy brochures. We monitor every step—from condensation of chloroacetonitrile to drying and crystallization. The GC purity on our lots typically sits at or above 99.5%. Traces of water, residual organics, and acidity are tracked at parts-per-million levels. Hard work goes into choosing the right grades of sodium cyanide or the solvents during synthesis; not every shortcut leads to a reliable yield or safe handling practice.
Over the last decade, we standardized our main model of malononitrile around a crystalline solid—a free-flowing, fine white powder. Granule size averages between 20 and 80 mesh, and moisture control is always enforced, with maximum allowed water content below 0.3%. Our common drum sizes run from 25 kg to 200 kg, with the most frequent orders at 25 kg fiber drums lined with polyethylene. This isn’t just for convenience; the packing limits exposure to air and helps avoid caking in high humidity. For specialty users, we offer 1 kg sample packs—same product, same purity, just smaller packaging. Because malononitrile gives off a strong, sharp odor, secure and airtight sealing always takes priority, both for personal safety and shelf life.
In synthesis labs and full-scale manufacturing, malononitrile’s versatility means it crosses paths with many different products. We supply it mainly to pharmaceutical companies, specialty chemical plants, and dye factories. It forms the backbone for Knoevenagel condensations, a staple for building barbiturates, amino acids, vitamins like B6, or efficient organic pigments. Many of our oldest customers use it for heterocycle synthesis; those six-membered rings with nitrogen atoms open doors to dozens of important agents.
Any discussion with process engineers confirms that reproducibility trumps speed. Our clients routinely say—malononitrile from different origins can skew yields if impurities float above specification. Even slight deviations in acidity or color can change the final outcome in multi-step syntheses. We maintain feedback loops: batch records, customer feedback, reanalysis of returned material if concerns arise. We welcome these checks. Many of the end products are designed for human use—small impurity levels matter more than price per kilogram.
One segment we serve is the organic electronics crowd. Chemists harness malononitrile as a backbone for donor–acceptor molecules, essential in dyes for solar cells or OLEDs. They demand solids with minimal contamination, zero visible foreign particles, and verification of trace metals below instrument detection. For this, we use special glass-lined reactors and extra polishing of product streams.
We get approached by buyers who tried cheaper malononitrile and faced headaches—excess discoloration, unexpected odors, or reactor fouling. It’s easy to promise theoretical specifications, but customers learn fast that not all samples labeled “malononitrile” serve their aims. In practical terms, the biggest differences come down to physical cleanliness, stable crystalline form, and honest tracking of impurities. Generics and resellers might offer “99%” by calculation, but we back up our grades through repeated in-house and third-party chromatographic analysis. Handling, storing, and shipping cleanly-cut powder reduces operator risk, controls exposure, and helps the compound dissolve as intended in target solvents.
From personal experience, we also know storage time affects malononitrile. Degradation begins with exposure to trace moisture or heat, leading to color shifts or odor development. Larger suppliers may keep material in stock for months, sacrificing freshness and risking inconsistent results. Our approach has always been short stock cycles and fresh lots. Customers trust us because their batch-to-batch performance matches lab trials—a point raised often in follow-up conversations.
Some users compare malononitrile with analogous reagents like cyanoacetic acid or ethyl cyanoacetate. These compounds present different nucleophilicity, solubility, and pKa values, altering the reactivity and selectivity of typical reactions. For example, malononitrile enables milder condensation, higher yield routes in the preparation of heterocycles, without introducing carboxylic acid contaminants from acid analogues. Our technical staff fields questions on substitution all the time; we run comparative reactions in-house and aren’t surprised that most clients stick to malononitrile once they’ve optimized their route.
We take regulatory and environmental duties seriously. Cyanide chemistry can’t be taken lightly; our waste streams are treated in-house and pass strict controls for cyanide levels and by-products before discharge. Every employee trained to handle malononitrile walks through protocols for disposal and emergency management. Our plant historians share countless stories where process changes—however small—required reworking PPE procedures and ventilation. Mishandling a batch or failing to contain dust runs the risk of exposing workers to hazardous vapors. Respiratory irritation, headaches: they’re preventable, not theoretical risks.
Repeated audits from environmental authorities have shaped how we operate. We no longer tolerate open storage or leaky drums—an incident over a decade ago brought in new building-wide negative air pressure controls. We now share lessons with customer sites, offering ideas on drum handling and spill control. End users benefit if the original manufacturer stands behind the entire supply chain, including return policies, proper waste advice, and updated safety literature.
Malononitrile quality can’t stop at “meets specification.” We regularly validate our analyses against internationally recognized methods: GC for purity, HPLC for residuals, Karl Fischer for moisture, and elemental analysis at external labs on a quarterly schedule. Some of our biggest pharmaceutical buyers now perform “shadow” tests—double checking vendor certificates in their own labs before approval. We welcome this; transparency keeps standards moving up, not down.
Routine testing doesn’t end at the gate. Our “lot-to-lot” comparisons and stability studies often dig up improvement areas missed in the first round. We recall a phase where trace iron content from old reactor valves crept into batches. Catching this early through routine colorimetric checks prevented larger issues for customers sensitive to metal contamination. Today, redesigned equipment and upstream purification knock this back down to non-detectable limits. Real improvement grows out of feedback, not paperwork.
Clients often request dissolution curves—how fast the solid goes into various solvents—and we maintain historical data by lot. Viscosity in methyl ethyl ketone, color change in dimethylformamide, melting point reproducibility: real-world consistency reassures repeat buyers and helps new users choose process conditions. Shipping records track temperature exposure in transit. If a drum sits on a dock during hot season, our team checks temperature logs and, if concerned, offers prompt replacement. We solve issues here, not after a client’s reactor stops midway through a campaign.
Volatility in raw material markets makes long-term malononitrile supply a constant balancing act. Sodium cyanide and other precursors swing with currency shifts, regulatory changes, and the dynamics of global manufacturing hubs. Instead of hiding behind brokers or distributors, we negotiate supply contracts directly with upstream producers, passing stability to our customers. Open communication lets us anticipate price fluctuations. Sharing realistic timelines—even if lead times extend—protects our users against last-minute shortages.
We work with forward-looking partners to address sustainability. Over recent years, regulatory bodies across Asia and Europe have tightened restrictions on both cyanide handling and waste. Our ongoing investment in zero-discharge and recycling technologies addresses these challenges. We implemented closed-loop solvent recovery, pushing down both cost and emissions. It demonstrates that clean chemistry and commercial success go hand in hand—the team behind each batch understands full-lifecycle impact, not just output at the loading bay.
Outsiders sometimes underestimate the risk of contamination, quality drift, or safety gaps with malononitrile. Years of customer partnerships revealed key ways to outpace these risks. Maintaining tight integration between R&D, production, and quality teams remains the foundation. The most valuable solutions have come from unexpected places—an operator’s tip about packing density, or a maintenance engineer’s concern about drum liners—feeding into more robust SOPs and better customer guidance.
Investing in talent delivers long-term dividends. Many of our senior staff trained on the floor, not in offices. Cross-pollination with university chemists, practical troubleshooting, and close relationships with customers help us design processes not found in textbooks or compliance checklists. Chemists trust us to answer their direct questions, whether about analytical interference or on-the-ground handling decisions.
Loyalty isn’t won with low prices. Our best partnerships formed through stability, open technical support, and ready accountability. Our improvement meetings with long-term buyers focus equally on practical issues—like minimizing batch requalification—and on forward-thinking topics like greener processes or supply risk mitigation. In production reality, things sometimes go wrong: a valve sticks, a shipment delays, or a drum leaks. Our willingness to offer immediate remedies builds the kind of trust that can’t be bought.
Frequent visits to customer plants reinforce what labs alone can't reveal. Some facilities run semi-continuous lines; others depend on small-batch flexibility. With every visit, we gain fresh insight into what users face, be it local regulation, space constraints, or operator training needs. Our role goes beyond making and selling. Conversations with real chemists, engineers, and managers offer feedback cycles no remote distributor can match. Close contact helps us anticipate—not just react to—demand shifts, seasonal changes, or evolving technical requirements.
All malononitrile leaving our facility carries full traceability—from raw materials through synthesis, purification, drying, and packing. Every container is coded for origin, production date, and batch. Should a customer report a deviation, our records pinpoint each step and team member involved. This level of accountability pays off in fast problem-solving and gives our clients assurance not just of product grade but also history. Auditors and process managers alike want details; we don’t shy away from difficult questions.
Working with local logistics partners reduces transit risk and downtime. We train drivers and warehouse staff to spot container damage, check seals, and maintain clean transfer zones. If storage conditions at client sites fall short, our technical team steps in with advice—reducing spoilage, minimizing dust, and extending safe working life. Regular contact with shipping companies also means that, if disruptions occur, we offer updated ETAs and remedial action.
Customers often probe about the next evolution—better product grades, safer containers, digital batch tracking, and environmental innovations. Internal R&D is no afterthought; it’s built into our production cycles. Pilot lines test higher-purity malononitrile for advanced electronic and pharmaceutical use. Results guide us before full-scale rollouts ensure supply stability. We challenge the “good enough” mentality—resources funnel into every potential yield boost, impurity trimming, and equipment upgrade.
Malononitrile production exists in a competitive, highly regulated space. Consistently high quality, diligent safety, thorough technical support, and a willingness to adapt form the basis of industry reputation. Real-world experience runs deeper than product codes or lab spec sheets; each batch should bring technical peace of mind and real economic value to those who choose it. As a true manufacturer, our ongoing dialogue with customers, regulators, and technical partners protects not just today’s output, but lays the groundwork for tomorrow’s safe, high-purity chemical solutions.