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HS Code |
724126 |
| Cas Number | 17321-47-0 |
| Molecular Formula | C4H4N2 |
| Molecular Weight | 80.09 g/mol |
| Iupac Name | 2,3-Dimethylbutanedinitrile |
| Synonyms | Dimethyl dicyanide, Tetramethylethylene dinitrile |
| Appearance | Colorless to pale yellow liquid |
| Boiling Point | 174-175°C |
| Melting Point | -20°C (approximate) |
| Density | 0.926 g/cm³ at 25°C |
| Solubility In Water | Slightly soluble |
| Vapor Pressure | 1 mmHg at 36°C |
| Flash Point | 65°C (closed cup) |
As an accredited Dimethyl Dicyanide factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | 500 mL amber glass bottle with secure screw cap, labeled “Dimethyl Dicyanide.” Includes hazard symbols and safety data prominently displayed. |
| Shipping | Dimethyl Dicyanide must be shipped as a hazardous material, in compliance with international transport regulations. It should be packed in tightly sealed, chemically compatible containers, kept cool, dry, and well-ventilated. Proper labeling, including hazard warnings, is essential. Personnel must wear protective equipment, and emergency procedures should be in place. |
| Storage | Dimethyl dicyanide should be stored in a cool, dry, and well-ventilated area, away from sources of ignition, heat, and incompatible substances such as strong acids and oxidizers. Store in tightly sealed containers made of compatible materials, clearly labeled, and protected from moisture. Ensure proper grounding and use explosion-proof equipment if necessary. Access should be restricted to trained personnel only. |
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Purity 99%: Dimethyl Dicyanide with a purity of 99% is used in pharmaceutical intermediate synthesis, where high chemical yield and product consistency are ensured. Molecular weight 82.10 g/mol: Dimethyl Dicyanide with a molecular weight of 82.10 g/mol is used in organic synthesis processes, where predictable reactivity profiles are critical. Melting point -6°C: Dimethyl Dicyanide with a melting point of -6°C is used in low-temperature catalysis, where it maintains phase stability and processing efficiency. Stability temperature 100°C: Dimethyl Dicyanide with a stability temperature of 100°C is used in high-temperature polymer production, where thermal decomposition is minimized. Volatility high: Dimethyl Dicyanide with high volatility is used in chemical vapor deposition, where rapid substrate coating is achieved. Density 0.81 g/cm³: Dimethyl Dicyanide with a density of 0.81 g/cm³ is used in fine chemical manufacturing, where precise material dosing and blending accuracy are important. |
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Over the years, the landscape of industrial chemicals has changed in ways that reward reliability, efficiency, and trust. Dimethyl Dicyanide—sometimes called malononitrile dimethyl or simply DMDC—sits among a group of chemicals that people in labs and factories know well. Its role isn’t just about adding another bottle to a stockroom shelf. DMDC brings flexibility and specificity, showing up both in advanced synthesis routes and the backbone chemistry of several industries, connecting their needs in a way few compounds do.
Growing up around workshops and science labs, the phrase “the power’s in the bonds” stuck with me. DMDC shows that idea well. Chemically, this compound features two methyl groups flanking a core built from two cyano groups. That gives it a backbone ripe for transformation—exactly what’s demanded across different synthesis applications. You aren’t just getting a nitrile; you’re getting functionality layered right next to easy points of manipulation.
Some of the appeal of DMDC rests in purity and consistency. Most labs demand material that hits purity marks over 98%. Lesser grades won’t cut it for precision work. The melting point sits around 32-34°C, which means it runs as a solid at room temperature yet melts easily enough for controlled measuring and dosing. This brings real practical comfort—no wrestling with hard-to-handle powders or volatile spills. In terms of solubility, DMDC dissolves smoothly in organic solvents like ethanol and ether, slotting neatly into a range of reaction setups. While it remains stable in most settings, basic safety means storing it cool, dry, and away from strong bases or oxidizers.
A lot of people miss that DMDC isn’t a universal ingredient; it’s a specialist’s choice. In pharmaceutical manufacturing, the compound finds its place as a building block for heterocycles, which often form the core scaffolding for active molecules. Years back, I watched a small pharma team hit a bottleneck in their lab: older reagents led to more byproducts and frustrating purification steps. With DMDC in the mix, yields climbed, and columns cleared sooner. Instead of chasing purity in every round, they could focus on optimizing other steps in the pipeline.
Agriculture, too, has found value in DMDC. Certain herbicides and pesticides rely on it during the early stages of synthesis. If you’ve had a conversation with a field chemist lately, you’ll know that regulatory and efficiency pressures force everyone to hunt for ways to minimize environmental load. DMDC, with its clean conversion routes, fits into this without bumping up waste streams unnecessarily. Manufacturers focus on how much input turns into final product, and this compound scores well by that measure. That means less fuss at the waste treatment end and fewer headaches for compliance teams.
In dye and pigment production, the search for vivid, stable colors goes deep. People often imagine art and fashion when they think of dyes, forgetting that many high-grade pigments end up in electronics and laser technologies. DMDC’s role here reflects its capacity to enable finely tuned molecules. Working on development for a fiber technology firm, I saw firsthand how trace differences in intermediate purity could shift a pigment batch’s shade—and the whole job depended on minute details like this.
DMDC doesn’t walk alone. In the world of dicyano compounds, several other nitriles make appearances—think acetonitrile, butyronitrile, or even the simpler malononitrile. Where DMDC stands apart is its dual methyl structure. Alternative nitriles like acetonitrile are better solvents but don’t have the same reactive sites for core-building in synthetic work. Malononitrile, on the other hand, sometimes stands in as a direct competitor because its central structure looks similar. Yet, in reactions demanding methyl side chains for further modification, malononitrile forces extra synthetic steps, dragging out time and expense.
Let’s dig deeper here. Synthetic organic chemists face trade-offs: do you want reactivity, yield, or ease of handling? DMDC helps balance all three without much fuss. A direct competitor, dimethyl malonate, lacks the cyano groups needed for certain cyclization or condensation reactions. That leaves DMDC as a better tool for constructing more rigid, functional molecular architectures. More steps mean more solvents, more purification, and more budget strain. Trimming down the step count by using DMDC taps into both economic and safety upsides.
Looking at environmental and health performance brings more distinctions. Strong-smelling nitriles, notorious for toxicity and volatility, show up all too often in case reports. DMDC carries fewer fumes and is easier to control. I’ve worked in labs where opening a bottle of acetonitrile means checking the ventilation, but with DMDC, air quality stays manageable if you keep things tight and according to chemical hygiene standards. Its solid state at room temperature helps transport and minimize unintended exposure, a key reason many procurement managers prefer it for sensitive applications.
From a buyer’s standpoint, picking DMDC means more than just comparing specs. Any chemist who’s ordered bulk chemicals knows the agony of inconsistent supply and drifting purity standards. Top-tier suppliers back up their material with certificates of analysis and batch-to-batch consistency. DMDC’s manufacturing process has matured enough that major sources stay reliable if you stick with reputable procurement channels.
Small-scale buyers—like research labs and specialty manufacturers—benefit from the chemical’s shelf stability. It sits quietly in cool storage and poses fewer risks for accidental decomposition during lengthy projects. Years spent managing storerooms taught me to value compounds that don’t spoil quickly; nothing bites harder than walking in, ready to run an experiment, just to find key reagents have gone off. DMDC rarely lets you down this way, providing peace of mind when budgets and timelines are tight.
There’s another side worth discussing: transport regulation. Not every chemical books a smooth transit from manufacturer to end user. Some dicyano compounds stumble over hazmat rules. Dimethyl Dicyanide strikes a middle ground—high purity forms travel with standard documentation, and its low volatility means less risk during shipment. Handling practices still need strong protocols, but the logistics are more forgiving. I remember a delivery where customs delays set us back on a big project; since then, we've looked for compounds that avoid these extra landmines. DMDC proved itself both in availability and in making logistics teams happier.
It’s not all about speed or convenience. Quality control in chemical handling starts at the lab bench. DMDC doesn’t pose outsized risks in controlled settings, but ignoring PPE or ventilation practices opens the door to chronic low-level exposure. Most seasoned chemists pick up the right safety habits early, but newcomers need training—especially as this isn’t a compound you’ll find covered in school-level lab books. Reading the chemistry closely and working through credible safety data keeps teams safe.
Interestingly, reports linking DMDC exposure to acute health events remain rare, especially compared to many other nitriles. This might tie back to its relatively steady melting point and solid-state room temperature storage, both of which drive down spill risk in everyday handling. Some older-generation compounds invite headaches through unpredictable vapor release; DMDC, properly sealed, holds its own. That said, the industry shouldn’t relax—carelessness builds bad habits, and every reagent has its thresholds.
From an environmental responsibility standpoint, DMDC breaks down into less persistent intermediates when processed through standard waste streams. Having dealt with many waste audits, I’ve seen how cleaner reagents help facilities hit eco compliance marks and avoid hefty penalties. Proper incineration at controlled facilities processes most byproducts with minimal toxic output, especially compared to heavier halogenated chemicals still used in some older plants.
Scientific progress doesn’t happen by clinging to tradition. Research trends show clear movement toward greener, safer, and more economically viable feedstocks. DMDC fits this mold for many synthesis scientists chasing efficiency and reproducibility. Development chemists have reported that tweaking their workflows with DMDC has opened up more access to novel heterocycles, particularly in areas like anti-viral and anti-cancer drug research, where adding or customizing small chemical features changes activity and selectivity.
Many synthetic pathways still rely on heavy metal catalysts or multi-step solvent switches, ramping up waste and time. DMDC’s chemoselectivity—basically, hitting the target without side reactions—cuts out some of these inefficiencies. Watching a colleague land a difficult cyclization using DMDC, and then repeating it without painstaking troubleshooting, underlines the difference that one smart chemical swap can make. Every skipped purification run translates to savings in labor, solvents, and energy use.
Material science teams use DMDC for the layered synthesis of new polymers and specialty coatings, thanks to its controlled reactivity. While it never pulls the spotlight away from more famous big-player monomers, its reliability for controlled chain reactions adds value in quietly critical ways. I once watched a start-up finally get their high-strength polymer project to commercial scale—they’d been stuck on yield until a bench chemist suggested changing up their nitrile source to DMDC. Success didn’t announce itself with fireworks, but it broke a bottleneck that let the business scale up production.
Chemical markets move with waves of availability and regulation. Every so often, demand for specialty reagents like DMDC spikes because of a breakthrough in drug design or a new regulatory standard in manufacturing. Market availability has been steady, especially in major manufacturing regions in Asia and Europe. Disruptions sometimes crop up from feedstock pricing, but most reliable dealers hold enough stock that users don’t face critical shortages.
Forward-looking purchasing partners sometimes lock in annual contracts for DMDC because price and purity shifts can nudge budgets in uncomfortable directions. In my experience, working closely with the supplier—sharing project timelines, usage rates, and target specifications—makes a difference. Open lines mean you don’t get caught off guard if the market tightens. People forget that buying chemicals is rarely about picking from a menu. it’s a long-term relationship with your supply chain partners.
Every skilled chemist or process engineer weighs up reagents, not just by technical details, but life experience—“Will this help our project move faster, safer, or cheaper?” For many, DMDC answers yes on all three counts. Comparing to other compounds shows these advantages in action: fewer side steps, less environmental load, and a low-maintenance profile during storage. If you’ve spent even a year in a real production plant or R&D facility, you develop a sixth sense for what works and what promises headaches. DMDC steadily built a good name for itself through field experience and direct feedback from people doing the real work.
Product choice doesn’t happen in a vacuum. Everyone from small research teams to process development managers wants the same outcome—safe, reproducible, affordable chemistry. DMDC draws its support from being more than just another powder or liquid. It’s about saving time, reducing risks, and driving progress where every win—however small—builds toward a larger goal. It fits naturally into synthetic chemists’ workflow, and for those reasons, deserves its place in labs and on production lines looking to do better, faster science.
As technology moves, new demands get placed on foundational chemicals. Cleaner reactions, less regulatory pressure, and better margin control all play roles. DMDC brings together key traits needed for the next steps in pharmaceutical, agricultural, and materials research. From early design to full-scale manufacturing, DMDC’s track record makes it one of those rare compounds trusted by both cautious analysts and ambitious innovators.
Some seasoned chemists I know still recall the old days, sorting through unreliable reagents and watching opportunity go out the window because the chemistry just wouldn’t hold. Today, with chemicals like DMDC at the ready, there’s more room to move, more space for innovation, and a little less wasted time staring at broken experiments or unexpected downtime. The industry rewards that kind of dependable backbone—forging ahead on projects that one day, might even rewrite what’s possible.