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HS Code |
426950 |
| Cas Number | 25557-42-0 |
| Molecular Formula | C9H14N2 |
| Molecular Weight | 150.22 g/mol |
| Iupac Name | 2-isobutyl-3-methylpyrazine |
| Appearance | Colorless to pale yellow liquid |
| Odor | Earthy, green, bell pepper-like |
| Boiling Point | 211-213 °C |
| Density | 0.948 g/cm³ |
| Flash Point | 85 °C |
| Solubility | Slightly soluble in water; soluble in alcohol and oils |
As an accredited 2-Isobutyl-3-Methylpyrazine factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Amber glass bottle, 25 grams, tightly sealed with a screw cap. Label includes chemical name, formula, CAS number, and hazard symbols. |
| Shipping | 2-Isobutyl-3-Methylpyrazine is shipped in tightly sealed, chemical-resistant containers to prevent leaks and contamination. It should be transported under ambient conditions, away from direct sunlight, heat, and incompatible materials. Proper labeling and documentation complying with local and international regulations should accompany the shipment for safe and compliant handling. |
| Storage | **2-Isobutyl-3-Methylpyrazine** should be stored in a cool, dry, and well-ventilated area, away from direct sunlight and sources of ignition. Keep the container tightly closed when not in use, and store away from incompatible substances such as strong oxidizers. Use appropriate chemical-resistant containers and clearly label them. Ensure that storage complies with relevant local chemical regulations. |
Applications of 2-Isobutyl-3-Methylpyrazine in Industrial Manufacturing2-Isobutyl-3-Methylpyrazine serves as a high-impact specialty ingredient in several manufacturing sectors, valued for its potent flavor and aroma properties. Below we present the main real-world industrial applications with precise details on compliance, typical formulation ratios, process workflows, and finished-goods portfolios where our product reliably adds value at scale. 1. Food Flavor Compounding: Savory ProcessingManufacturers of savory foods, snacks, and seasonings rely on this pyrazine to reproduce authentic green and roasted bell pepper notes. It is dosed at critical concentration levels where it imparts a clean, characteristic profile—especially in compounded flavors for seasonings, ready meals, and snack coatings. Compliance with international safety regulations and tailored application rates are essential to maintaining product integrity from bench sampling through commercial batches. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
2. Beverage Flavoring: Alcoholic and Non-Alcoholic DrinksBeverage manufacturers employ this compound to recreate fresh, vegetal, and pepper-like notes in specialty drinks and cocktail mixers, where stability across pH and processing conditions is mandatory. Manufacturers must carefully calibrate its use to avoid overpowering the finished flavor profile, meeting global regulatory standards for beverage ingredients. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
3. Fragrance and Aroma Formulation: Fine Fragrances and Personal CareIn aroma chemical manufacturing, this compound imparts distinctive green and roasted nuances, supporting creative perfumery accords in both fine fragrance and personal wash categories. Strict adherence to IFRA codes and toxicological safety assessments defines its usage in blends for skin-contact and non-contact products. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
4. Pet Food and Animal Nutrition FlavoringProducers of premium pet food enhance palatability in formulations by introducing roasted and savory notes, leveraging this pyrazine for both dry and wet pet diet products. Observing feed-grade purity and maximum residue guidance ensures both animal health and product acceptance, with QC tightly tracking each batch’s use. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
5. Tobacco and Reduced-Risk Product Flavor DesignTobacco manufacturers, including those producing heated tobacco and reduced-risk products, dose this compound into flavor mixtures to reinforce ‘green’ and natural notes in blends. Its application mandates full compliance with tobacco ingredient regulations and detailed documentation for traceability from mixing through stick or pod manufacture. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
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From early experiments in our pilot reactors to finely-tuned production runs, the focus remains the same: achieving a consistent, high-quality supply of 2-Isobutyl-3-Methylpyrazine. Long before this pyrazine went mainstream or gained traction with formulators on a global scale, our chemists sought out reliable methods to produce this compound efficiently and in the quantities the market demands.
This pyrazine didn’t find its way into our offering through trend-chasing or bandwagon effect. As a company built on synthetic aroma molecules, we keep a close watch on which notes matter to real users, whether in snacks, beverages, or flavors for e-cigarettes. 2-Isobutyl-3-Methylpyrazine has proven itself repeatedly for bringing out a rich, green, slightly earthy nuance that transforms products, especially in flavor and fragrance houses aiming to mimic or boost the natural aroma found in bell peppers, peas, and green beans.
Over the years, we’ve narrowed in on the form and grade of 2-Isobutyl-3-Methylpyrazine that get real traction in day-to-day formulations. Solid at room temperature, it appears as a pale-yellow to colorless liquid once brought above its melting point. Our facility targets a purity level of ≥99.0% by GC, avoiding the tradeoff between yield and quality. Moisture is held below 0.5% to eliminate side reactions, which can affect performance in flavors and hinder tailoring in downstream applications. We routinely monitor for key byproducts—additional methylpyrazine isomers, for example—and keep those at negligible concentrations to keep flavors crisp, not muddy.
Barrels, drums, and cans aren’t just filled and shipped off. Every batch carries a distinct fingerprint tied to our processes—production parameters, analytical tracers, and post-processing records link every package to a clear origin, making troubleshooting and support straightforward if a customer faces unusual behavior in their blending or finished products. Documentation is more than compliance; it’s a matter of trust.
2-Isobutyl-3-Methylpyrazine occupies a spot in the ingredient lists of some of the world’s most recognizable food brands, though the general public rarely hears its name. Brands aren’t interested in the name; they care about the sensation. This molecule brings a green, fresh, almost cut-vegetal note that makes a difference in low-dose flavorings. When snack makers want to intensify the authenticity of roasted or grilled pepper notes, or when beverage creators want to provide a subtle green zing that mimics garden-freshness, they turn to this pyrazine. The crystalline clarity of “green” isn’t easily extracted from natural sources in pure enough quantity; crops fluctuate due to climate shifts, cost, and seasonality. Synthetic 2-Isobutyl-3-Methylpyrazine fills the gap, reducing reliance on annual harvests.
We see constant innovation in plant-based meat and vegan cheese sectors, where masking undesired beany or grassy flavors is as crucial as amplifying the “snap” of vegetables. A controlled dose of our 2-Isobutyl-3-Methylpyrazine does more than fix flavor gaps; it gives processors the freedom to adjust profiles, even when the base ingredients change from batch to batch due to source variability. Chefs and food scientists alike acknowledge its value: too little, and the flavor feels flat; too much, and the result can turn harsh or synthetic.
All pyrazines share a backbone—two nitrogens bookended in a six-membered ring—but the side chains matter, especially to formulators striving for nuance. 2-Isobutyl-3-Methylpyrazine stands apart from the more common 2,3,5-Trimethylpyrazine by virtue of its side group. That isobutyl chain, not present in other pyrazines, unlocks the unique bell pepper, earthy and green cut-vegetal aroma prized by flavorists. We often compare batches side-by-side because it doesn’t take much: a trained nose will pick out the sharper, sweeter punch of 2,3,5-Trimethylpyrazine, which fits for chocolate, coffee, and roasted cereal; meanwhile, our 2-Isobutyl-3-Methylpyrazine lands on a verdant note—no mistaking one for the other in a finished product.
Another distinction comes from volatility. Our pyrazine sits at a volatility sweet spot: high enough to function in top notes where consumers expect a burst of aroma, low enough so the flavor persists without vanishing after packaging. By tuning particle size, minimizing residual solvents, and controlling storage, we aim for repeatable performance in industrial kitchens and automated blending lines. Unlike simpler pyrazines, our product resists rapid oxidation, benefiting customers who run extended production or require longer shelf life.
Those who’ve spent years dealing with flavor compounds know that supply stability counts as much as molecular precision. Our own journey saw us battle price spikes when seasonal pepper extracts fell short, and witnessed batch failures caused by moisture drift or off-odors from inferior syntheses. Through continuous refinement, we’ve landed on a combination of precursor choices, reaction controls, and downstream purifications that keeps both cost and quality balanced.
Even so, supply APIs come with headaches: local regulations, raw material shortages, and the logistics of hazardous goods. We face these not as hypothetical scenarios, but as live issues—storm-damaged rail lines, customs holdups, and even the changing patchwork of food-grade standards. Our strategy roots in flexibility. Securing multiple sources of key reagents, backup processing lines, and regular third-party audits build both consistency and backup in one go. By insulating ourselves from single-points-of-failure, we help our customers avoid production halts because one compound fell out of reach or compliance.
Quality assurance isn’t a slogan attached to a logo. Every few months, an auditor checks our calibration records or compares our reference standard’s purity to external benchmarks. If a customer’s analytical lab flags a discrepancy, our teams retrace batch records and even rerun mass spectrometry to get ahead of potential issues. The last thing any of our downstream partners want is an ambiguous flavor drift in high-value applications or regulatory bodies questioning product traceability.
No compound exists in a vacuum. Over the last decade, customers at each stage of the supply chain have pointed out what matters most: reliable supply, clean sensory profiles, and bulletproof documentation. Small but critical changes, whether in particle filtration or how we flush packaging drums before filling, started from conversations with users fighting sediment or flavor migration during their own storage and dosing.
Our on-site tech support teams regularly run side trials with customers to troubleshoot issues, sometimes overnight or through holidays. There’s no substitute for hands-on troubleshooting. Recently, an international snack company flagged haze development in oil-based systems. Field analysis traced the cause back to interaction between trace water and our pyrazine. We revised the dehydration step and batch-checked the final product—problem solved, not by guesswork but through a blend of laboratory analysis and customer partnership.
Issues occasionally arise in finished product shelf life—especially in markets with long transport times or hot climates. By switching to optimized nitrogen flush during packaging, we achieved an extra month of aroma stability at ambient temperatures without resorting to exotic or expensive barrier materials. A single improvement, validated by customer feedback and sensory tests, ripples through the value chain.
Behind every drum of 2-Isobutyl-3-Methylpyrazine lies a web of global regulation and a growing need for transparency. Food ingredient safety standards grow tougher yearly, with shifting guidance from the United States, EU, and Asia-Pacific regulatory bodies. Early on, we committed to traceability from raw materials to finished goods—our lot numbers don’t just tick boxes, they let us map every sample’s journey from precursor selection, through ammonia handling, catalyst use, and reactor cycling, to finished packaging.
Customers—especially those exporting internationally—rely on our documentation to satisfy audits, meet labeling requirements, and pass import scrutiny. Our batch-specific Certificates of Analysis do more than list purity and physical properties; they include solvent residue testing, allergen cross-contamination checks, and occasionally, isotope or radiochemical screening, depending on end-user country demand.
There’s also pressure for lower environmental impact. The classical production of pyrazines leans on energy-intensive steps and generates byproducts that must be handled safely. Our teams have shifted toward greener process alternatives, including solvent recycling and low-temperature synthesis when possible. Early wins surfaced in reducing the carbon intensity of purification stages. To support this, we consistently benchmark our facility’s emissions and pursue third-party environmental audits—more than a passing fad, it’s a necessity for long-term customer acceptance and regulatory alignment.
Waste management can’t be overlooked. All nonconforming batches and reactor residues are segregated and sent for specialist disposal, not mixed into standard waste. Rejecting a batch has real costs, but reputational risk from contamination or regulatory noncompliance outweighs the short-term hit. The real measure isn’t volume output—it’s reliability and responsibility in bringing specialty chemicals to market.
Changing consumer habits influence how our 2-Isobutyl-3-Methylpyrazine is applied year after year. Food processors increasingly develop low-sodium, “clean label” profiles while still wanting bold, fresh flavors. Our product satisfies the demand for a natural taste—even when used at parts-per-billion thresholds—without animal or allergenic carryover. That versatility explains its move beyond mainstream snacks and into health-conscious reformulations, plant-based alternatives, and specialty regional sauces.
We also notice technical demands rise from beverage formulators and specialty culinary producers who request documentation on migration potential, vapor pressure at varying temperatures, and compatibility with novel packaging formats. Rather than pushing out a one-size-fits-all solution, our R&D works closely with key customers, running compatibility and stability studies on their ingredients, glassware, and plastics. This partnership uncovers new needs—sometimes leading to fresh process tweaks for even more precise performance.
Flavor creators in cosmetic applications experiment confidently because our product boasts a predictable green top note—absent the bitterness or medicinal undertones in anecdotal reports with other green pyrazines. The beauty sector tests boundaries, blending our product into deodorants and specialty fragrances where typical green compounds might fall short or drift out of profile during shelf life.
Adaptation defines successful producers. We keep an eye on new analytical technologies that promise more sensitive detection of off-odors and minor isomers. Since implementing real-time GC-MS screening and linking it directly to batch release, spurious “spikes” have gone down sharply and customer rejections follow suit.
Investment in people matters, too. Training new operators on process safety pays off when complex syntheses run for days on end. On one occasion, a minor change in heating curve uncovered more stable reactor yields and reduced the byproduct load in the purification stream—thanks to a sharp-eyed plant technician with decades of experience.
Automation can only take a producer so far; hands-on problem-solving and thorough cross-department reviews regularly catch subtle degradation issues before they leave the gate. In many cases, product quality hinges as much on storage and logistics as on initial synthesis. That’s why we store finished lots in climate-controlled spaces and ship in tested, inert-lined barrels.
Customers don’t want surprises mid-campaign. For our largest contracts, we coordinate delivery schedules with end-user forecasts, sometimes holding finished product in inventory to lock in consistency and guarantee on-time handoffs. During the supply chain shocks of recent years, this flexibility gave several partners the breathing room they needed to maintain launches or seasonal ramps—nobody benefits from a missed fill or flavor drift during a product debut.
Sometimes, the best outcomes grow from cross-industry collaborations. One recent example: a beverage developer suggested a new emulsification protocol that lengthened aroma persistence in citrus blends containing our pyrazine. By integrating their findings into both process and product literature, both companies benefited—lead times shortened, defect rates fell, and subsequent contracts expanded. Chemistry doesn’t operate in isolation, neither do those who keep its gears turning.
2-Isobutyl-3-Methylpyrazine helped shape a new era of flavor design, one where green, natural-seeming notes can be dialed in predictably, regardless of crop failures or seasonal variation. Our ongoing work centers on keeping this molecule available, high purity, and sustainable, as both consumer and regulatory landscapes keep shifting.
From our vantage point, success continues to hinge on grounded, honest process: thorough documentation, continual process optimization, and open communication with end users. The world knows the taste, even if the name stays out of sight, and we are determined to keep the experience fresh and reliable for those who build innovation on real chemistry.