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HS Code |
525879 |
| Product Name | (2,2-Bipyridine)nickel dibromide |
| Chemical Formula | C10H8Br2N2Ni |
| Appearance | Dark green solid |
| Cas Number | 20778-36-7 |
| Density | 2.2 g/cm3 |
| Solubility In Water | Insoluble |
| Melting Point | Dec. >200°C (decomposes) |
| Coordination Geometry | Octahedral |
| Storage Conditions | Store in a cool, dry place, protected from light |
| Main Uses | Homogeneous catalysis, organometallic synthesis |
| Synonyms | Nickel(II) dibromide bipyridine complex |
| Ec Number | 243-813-3 |
| Color | Green |
| Sensitivity | Air and moisture sensitive |
As an accredited (2,2-Bipyridine)nickel dibromide factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | 50g of (2,2-Bipyridine)nickel dibromide supplied in a sealed amber glass bottle with tamper-evident cap and hazard labeling. |
| Container Loading (20′ FCL) | 20′ FCL typically loads 10-12 metric tons of (2,2-Bipyridine)nickel dibromide, packed in sealed fiber drums or UN-approved bags. |
| Shipping | (2,2-Bipyridine)nickel dibromide is shipped in tightly sealed containers to prevent moisture and air exposure, and packed in accordance with relevant hazardous material regulations. The packaging is clearly labeled, and the compound is typically transported by ground or air with appropriate documentation, ensuring compliance with safety and environmental guidelines. |
| Storage | (2,2-Bipyridine)nickel dibromide should be stored in a tightly sealed container, protected from moisture and light, in a cool, dry, and well-ventilated area. The chemical should be kept away from incompatible substances such as strong acids and bases. Store at room temperature and ensure easy access only for trained personnel. Always follow institutional and manufacturer safety guidelines. |
| Shelf Life | (2,2-Bipyridine)nickel dibromide is stable for at least 2 years if stored tightly sealed, dry, and protected from light. |
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Purity 98%: (2,2-Bipyridine)nickel dibromide with a purity of 98% is used in homogeneous catalysis, where high purity ensures enhanced catalytic efficiency and reproducibility. Catalyst loading 2 mol%: (2,2-Bipyridine)nickel dibromide at a catalyst loading of 2 mol% is used in cross-coupling reactions, where reduced catalyst concentration achieves high product yields. Molecular weight 367.82 g/mol: (2,2-Bipyridine)nickel dibromide with a molecular weight of 367.82 g/mol is used in organometallic synthesis, where precise molecular mass allows accurate stoichiometric calculations. Particle size <20 microns: (2,2-Bipyridine)nickel dibromide with particle size less than 20 microns is used in fine chemical applications, where small particles increase surface area for improved reactivity. Thermal stability up to 180°C: (2,2-Bipyridine)nickel dibromide with thermal stability up to 180°C is used in high-temperature polymerization, where maintained structure supports consistent reaction conditions. Solubility in acetonitrile 50 mg/mL: (2,2-Bipyridine)nickel dibromide with solubility in acetonitrile at 50 mg/mL is used in electrochemical applications, where high solubility ensures uniform ionic distribution. Water sensitivity: (2,2-Bipyridine)nickel dibromide characterized by water sensitivity is used in glove box manipulations, where sensitive handling prevents decomposition and maintains activity. Anhydrous form: (2,2-Bipyridine)nickel dibromide in an anhydrous form is used in sensitive ligand exchange studies, where absence of water avoids hydrolysis and enhances reproducibility. |
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I’ve been in the lab long enough to know that not every coordination compound delivers as promised. Among nickel complexes, (2,2-Bipyridine)nickel dibromide offers a solid reputation. Usually found as a reddish-brown powder, it doesn’t just look different from the standard green of nickel(II) chloride or the pale-yellow of bis(1,5-cyclooctadiene)nickel(0); it brings a set of properties tailored for creative work in synthesis. Containing a square planar nickel(II) center coordinated with two bromide ions and a chelating 2,2’-bipyridine ligand, this material fits right into the current boom in cross-coupling chemistry.
Its chemical formula, NiBr2(bipy), puts it in that family of preformed nickel(II) complexes that gain popularity for their air stability and versatility. If you’ve been burned by moisture-sensitive catalysts or unpredictable yields, this compound comes as a relief. The bipyridine ligand keeps the nickel center more stable than in plain nickel halides, giving longer shelf life and more predictable reactivity. For research chemists who value reproducibility and safety, that’s not trivial.
I like how this nickel complex handles common cross-coupling tasks. The Suzuki-Miyaura and Kumada reactions often wrestle with sluggishness when using only nickel(II) halides; (2,2-Bipyridine)nickel dibromide turns up the dial on efficiency. Swapping out a traditional catalyst for it usually bumps up the yields, trims down reaction time, and works under milder conditions. Extra bipyridine isn’t required, cutting out unnecessary weighing and purification. Practical bench chemists will recognize the value of one less step and one fewer variable to mess with.
If green chemistry matters, there’s another benefit: this catalyst often performs in aqueous or mixed-water solvents where some precious metal complexes would decompose or stall. I’ve watched researchers replace palladium with this nickel complex to keep cost and environmental impact low, especially in pharmaceutical manufacturing where every atom counts toward sustainability and regulatory compliance. You can tailor ligand electronics by trading out the bipyridine or using substituted versions when higher selectivity is needed, but the parent complex gives a great all-rounder start.
Ask anyone synthesizing arylamines or heterocycles—choice of nickel complex can make or break a project. Traditional nickel(II) salts like NiBr2·3H2O or NiCl2 aren’t pre-ligated, so extra ligand weighing and mixing introduces errors. It’s also easy to lose activity with incomplete in situ complexation. Preformed (2,2-Bipyridine)nickel dibromide brings a tighter handle on stoichiometry and reactivity, which really matters when scaling up.
Compared with air-sensitive Ni(0) sources—those yellow bis(1,5-cyclooctadiene)nickel and Ni(PPh3)4 varieties—(2,2-Bipyridine)nickel dibromide stands up to a wider range of storage and shipping conditions. In my experience, it ships comfortably without expensive inert packaging and keeps its punch after months in a regular desiccator. That alone sidesteps headaches when sourcing from abroad or transferring between university and industry stockrooms.
Industrial teams tapping into organometallic routes for fine chemicals are hungry for reliability. This complex’s crystalline structure resists hydrolysis and delivers strong, clear NMR and UV-Vis signals—great for undergraduates confirming identity or QC techs running batch release. Purity stays high, and batch variability sits low. If you ask managers why they stick with a certain pre-catalyst, it nearly always comes down to smooth integration with both old protocols and modern robotics.
Let’s not forget the teaching labs. Educators introducing real catalysis want their students to see something besides the tired palladium or copper salts. Nickel provides a window into modern sustainable syntheses, and this bipyridine complex lets students set up air-tolerant couplings without specialized equipment.
You’ll find this product listed by its model name “Nickel(II) bromide bipyridine complex” with product numbers that signal it’s the classic trans form—though its square-planar arrangement makes the naming somewhat moot for daily use. Formwise, it comes as a crystalline powder; color tells you freshness and purity straight away.
Solubility sits right where it needs to be: soluble enough in DMF, acetonitrile, and DMSO for most coupling reactions. In my work, that means fewer surprises, especially when switching up from small to semi-pilot runs. For solid-phase processes, the complex can be filtered out with minimal fuss. No explosion risk, no pyrophoricity, and barely a whiff of toxicity in the standard handling range give it serious appeal over older nickel carbonyls or exotic specialty complexes.
Sometimes chemists stick with palladium by force of habit: it’s famous, and it gets cited everywhere. The cost of palladium, along with its supply risks and looming environmental penalties, tip many into the nickel camp instead. This particular nickel complex keeps that transition easy. Most protocols translate without fanfare, and because it tolerates a range of functional groups, people rely on it for heterocycle synthesis, cross-electrophile couplings, and C–N bond-forming reactions.
Copper salts can catalyze similar couplings but rarely deliver without higher temperatures and more forcing conditions. Nickel, especially in a bipyridine-ligated case, gives you access to milder, more forgiving conditions. That shows up as less side-product and easier purification. I’ve seen the jump in selectivity play out in side-by-side trials, with nickel cutting troublesome byproducts by half or more compared to copper bromides.
No catalyst solves every problem. Nickel complexes can spark concerns around chronic toxicity if handled too loosely, especially on the multi-kilogram scale; workplace controls and PPE need to keep pace. Some newer C–O and C–N coupling methodologies demand still more active nickel catalysts or demand tailored ligands. For labs chasing higher yields or wider substrate tolerance, supplementing with electron-rich bipyridines or tweaking reaction temperature unlocks further performance.
Supply chain hiccups sometimes show up for specialty ligands—let’s not pretend lab stockrooms always run like clockwork. Bulk synthesis of the bipyridine ligand has become more streamlined, bringing costs down and shortening lead times. Still, forward-thinking teams keep extra stocks on hand and seek reliable distribution channels. Open communication between research, purchasing, and regulatory teams guards against interruptions.
On the waste and environmental front, nickel isn’t precious, but it’s far from benign. Downstream processing needs proper nickel recycling or neutralization protocols, especially if the product heads for human or animal applications. I’ve seen some promising work on reusable catalyst supports and next-gen bipyridine ligands that let you recover and regenerate the metal center more efficiently. In a market that cares more about green metrics every year, that’s the direction to watch.
The best innovations often come from small changes—switching a catalyst, shifting a ligand, turning a reliability issue into an asset. Labs that adopt (2,2-Bipyridine)nickel dibromide often see not just smoother results, but a jump in team confidence. I’ve heard process chemists report fewer reruns, less variable yield, and less time wasted recovering from failed reactions.
In drug discovery, the ability to run cross-coupling in the presence of complex, sensitive side chains with no fancy setup opens the way for fast SAR cycles. Scale-up teams keep batch records clean and reproducible, avoiding trouble during tech transfer to manufacturing. The nickel complex supports both small-batch custom synthesis and longer pilot runs without changing up protocols or safety measures.
The landscape of transition metal catalysts keeps evolving. Lab after lab wants more sustainable reactions, greater reliability, and smarter use of resources. Experience says this nickel bipyridine complex isn’t just another bottle on the shelf—it’s a workhorse ready for modern chemistry. Safety stands strong, supply sits stable, and cost stays low compared to palladium. These practical advantages let chemists focus on discovery and application instead of troubleshooting and substitutions.
Years of chasing zero-defect yields and green chemistry goals in academic and industrial settings convinced me: the right catalyst isn’t just about yield or price. It’s about letting creative people solve real problems, day in and day out, with fewer barriers and a stronger sense of purpose. (2,2-Bipyridine)nickel dibromide delivers on those points—straightforward, adaptable, and built for the way real labs work today. Labs that value workflow, reproducibility, and environmental progress find a lot to like in this reliable nickel complex.
