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It’s fascinating to watch how specialty chemicals evolve from obscure research notes into important building blocks across industries. Cis-11-Eicosenoate Methyl Ester came into the spotlight in the decades after chemists figured out how to better isolate and manipulate long-chain fatty acids. Researchers searching for ways to improve synthetic lubricants and develop better oleochemicals picked up on the value of unsaturated esters like this one. Over time, the manufacturing process improved, and what started as a chemical curiosity in labs now features on bench-tops in research and commercial sites across the globe. The progress here didn’t happen overnight; persistent chemistry teams dug through trial and error, usually with pretty basic equipment and a guiding hope that tweaking certain processes might generate big improvements in product yield and quality. The story of this compound parallels broader advancements in renewable chemistry, where the shift away from purely petroleum-based feedstocks opened doors for more tailored, functional materials.
Cis-11-Eicosenoate Methyl Ester shows up in catalogs as a colorless to pale yellow liquid. Its formation results from the esterification of gondoic acid, itself a mainstay in specialty fat chemistry. Laboratories and production facilities recognize it for its high purity, which keeps it above the threshold for use in fine chemical applications. Companies turn to this ester for its ability to serve as a substrate or intermediate in both research and scale-up work. It supports not only academic projects but industrial fat and oil processing pipelines. From experience, small adjustments in methyl ester preparation lead to big gaps in eventual product reliability, which has nudged producers and researchers to develop precise process controls.
Cis-11-Eicosenoate Methyl Ester carries a molecular formula of C21H40O2 and typically has a molecular weight of 324.54 g/mol. One outstanding property is that the ester remains liquid at room temperature, with a melting point sitting below zero Celsius and a boiling point reaching just above 360°C at atmospheric pressure. Its density hovers around 0.86 to 0.87 g/cm³ at 25°C, while the flash point sits above 180°C, providing a certain margin of operational safety. From firsthand experience, compounds like this stand out for their low vapor pressure, which makes handling in the lab or plant much easier and safer compared to volatile intermediates. The unsaturated bond at the 11th carbon introduces increased chemical reactivity but maintains enough stability for long-term storage, as long as the container doesn’t let in too much air or light.
Delivering technical quality means providing clear, reliable data. Suppliers label pure Cis-11-Eicosenoate Methyl Ester with CAS Number 2390-01-2, highlighting crucial information like purity (often above 98%), storage recommendations, and reactivity notes. SDS documents indicate risk phrases and first-aid measures, crucial for anyone working at the bench. The best packages resist air ingress to slow oxidation and avoid contamination that could disrupt sensitive equipment or subsequent reactions. Over the years, I’ve found that clear labeling with traceable batch numbers isn’t just bureaucracy—it makes a difference when backtracking quality issues or verifying compliance for regulatory filings.
Manufacturers usually begin with gondoic acid (cis-11-eicosenoic acid), isolated from sources like jojoba oil or processed from fish oil distillates. The esterification process kicks off under acidic conditions, commonly deploying methanol with a catalyst—sulfuric acid or a solid resin. Operators keep the reaction mixture under slight reflux, often for several hours, to drive conversion. Excess methanol evaporates off, and then distillation under reduced pressure helps isolate the methyl ester from unreacted fatty acid and byproducts. This method strikes a balance—enough heat and catalyst strength to push the reaction but not so much that you introduce unwanted isomers or split the double bond. In our labs, simple tweaks to pH or solvent purity made all the difference in yield and downstream performance. A few commercial facilities have even looked to greener catalysts, with enzymatic esterification or solid-phase acid systems promising less waste and easier purification.
The double bond at position 11 unlocks a range of possibilities for further conversion. Ozonolysis cleaves the chain, producing shorter diacids and aldehydes valuable for polymer and surfactant manufacturing. Hydrogenation saturates the double bond, giving a stable, long-chain saturated ester. Transesterification offers another route, swapping out the methyl group for longer or branched alcohols to tailor solubility and processability. In research, functionalization near the double bond opens the door to materials with new properties, especially in the field of biobased plastics and surface-active agents. In my own work, careful attention to reaction conditions saved products from unwanted isomerization—a pitfall when handling unsaturated chains under even mildly acidic or basic atmospheres. As more chemists explore these modifications, the pool of downstream applications keeps growing.
In catalog listings and product datasheets, Cis-11-Eicosenoate Methyl Ester may appear as Methyl Gondoate or 11-eicosenoic acid methyl ester. Some inventories reflect the name Methyl cis-11-icosenoate. Producers of natural fatty acids usually prefer standardized terminology for regulatory compliance, yet old trade names pop up in legacy documents and cross-industry collaborations. This highlights the necessity of precise nomenclature, particularly for researchers sharing materials or referencing past studies. CAS Number tracking remains the surest route to avoid confusion.
Labs and manufacturers handle Cis-11-Eicosenoate Methyl Ester much like other high-purity fatty acid derivatives, focusing on gloves and splash protection during handling. The chemical presents limited acute risks; it doesn’t cause rapid toxicity at lab-scale exposures. Still, through years of lab work, complacency around “inert” chemicals easily creeps in. Vapors or accidental ingestion could cause irritation or gastrointestinal issues. Storage away from strong oxidizers prevents fires or decomposition, and containers need seals tight enough to block oxygen and moisture. Plants handling large drums face potential slip hazards, since spills leave an oily surface that’s tough to clean with just soap and water. Safety Data Sheets stay up to date, complying with GHS labeling and local hazardous material laws.
Cis-11-Eicosenoate Methyl Ester finds traction in specialty lubricant formulations, where its unsaturated structure supports film strength, cold flow, and biodegradability. Cosmetic chemists look to this ester for skin-friendly emollients, thanks to its low toxicity and good spreadability. Surfactant developers value it as a precursor for high-performance molecules, especially those aimed at “greener” cleaning products. Polymer scientists source it for use in biobased plasticizers or in experiments that push the boundaries of renewable plastics. Early biodiesel research tried methyl esters of longer-chain fatty acids, though their high melting points kept them from widespread adoption in colder climates. In my experience, industrial projects in adhesives, coatings, and even pharmaceuticals source related esters when seeking alternatives to tighter-regulated petrochemicals. This methyl ester doesn’t just fill technical gaps—it enables continued innovation as regulatory and consumer expectations evolve.
Interest in methyl esters like this one spans academic and industrial labs. Research teams dig into new synthesis methods, seeking higher selectivity, cleaner separation, and lower environmental impact. Recent years brought more investment in enzymatic processes, which cut out harsh chemicals and reduce energy bills. Polymers made from functionalized esters promise lower carbon footprints and improved recycling, an area that has received grants from both government and private foundations. My own research group collaborated across departments to harness these unsaturated esters for next-gen adhesives—our setbacks often came from fine details in batch-to-batch purity, not grand issues of chemical structure. Every improvement in preparative method or impurity tracking translates straight into better performing end products, linking lab research and commercial application in a clear line.
Evaluating safety is never a one-off task. Toxicological studies on Cis-11-Eicosenoate Methyl Ester suggest very low acute oral and dermal toxicity, with limited irritation at reasonable exposure levels. Eyes and airways can show mild irritation if accidentally exposed to aerosols or handling accidents, but chronic risks look relatively low compared to shorter-chain or more chemically reactive analogues. Long-term studies on related fatty acid methyl esters generally show rapid metabolism and clearance in mammals. Regulatory filings consistently highlight the compound’s low bioaccumulation risk. Even so, mixture effects can’t be written off—complex formulations could elicit unexpected responses if ingredients degrade after long storage. Modern labs run extended testing regimes to comply with local and global standards, giving researchers and end-users confidence in both occupational and downstream safety.
Looking ahead, the outlook for Cis-11-Eicosenoate Methyl Ester tracks closely with broader trends in sustainable chemistry and biobased materials. Markets in renewable surfactants, lubricants, and specialty polymers keep growing. Producers want purer, more selectively functionalized esters, pushing suppliers to scale up greener processes with better yields and less waste. Industry interest in circular economy models means waste esters get a second look as feedstocks for fuels, specialty chemicals, or even advanced materials. Digital tools aid in process optimization, letting chemists dial in conditions that boost efficiency and reduce byproducts. Regulatory drivers around safer, biodegradable molecules create new opportunities almost every year; brands search for drop-in alternatives that deliver performance without compromising safety. Advances in biocatalysis, purification, and analytical chemistry anchor these trends. There’s space here for collaboration between manufacturers, academic partners, and regulatory bodies—both to raise the bar on quality and to make sure safe, sustainable materials reach those who need them, whether in a research lab, on the factory floor, or at the heart of the next generation of consumer goods.
Ask any chemist about specialty esters, and they’ll tell you how each one plays a unique part, sometimes quietly working behind the scenes. Cis-11-Eicosenoate methyl ester—also called methyl gondoate—stands as a good example. Folks often spot this ester within discussions about specialized oils, biodiesel, and skincare science, but its story begins long before it finds its way into modern labs and factory floors.
In the chemical sector, methyl gondoate allows manufacturers to build up other chemicals through transesterification—a backbone reaction for biodiesel. Biodiesel producers in particular value it since it comes from renewable sources, usually derived from natural oils like rapeseed or jojoba. Researchers track its stability and composition, noticing how the long carbon chain resists oxidation. That matters for fuel because stability stands between an engine and failure out in the cold. Biodiesel blends that include methyl gondoate end up with a better shelf life and often outperform straight-up methyl oleate or methyl linoleate.
Personal care makers also use this ester. Its molecular structure helps mimic the natural oils on human skin, which keeps creams and lotions from feeling greasy. I remember working with a formulator who swapped out heavier synthetics in favor of jojoba-based esters and saw customers stop complaining about sticky residues. You’d be surprised just how much user satisfaction rests on tiny tweaks like this in a formula.
Renewable sourcing means something special when you’re talking about high-volume chemicals. Many companies started to turn away from petroleum-based feedstocks, both because of regulatory pressure and consumers demanding green products. Methyl gondoate fits right into that niche, since it comes from crops grown in rotation with food stocks, like canola, or from plants grown on land unsuited for food production, like jojoba. The switch makes sense to anybody who’s watched global fuel or cosmetic ingredient prices zigzag all over the map. Renewable feedstocks create less price volatility over time.
Cis-11-Eicosenoate methyl ester does more than just help machines run or skin feel smooth. Medical researchers have their eyes on it because long-chain fatty acid esters show up in studies related to cell membranes, metabolism, and signaling pathways. Some early-stage research examines how these esters interact with cellular activity in various tissues, hoping to find insight into conditions ranging from skin barrier disorders to metabolic syndrome. Reliable sources like the National Center for Biotechnology Information flag its presence in healthy cell membranes, an area that connects industrial chemistry to cutting-edge health research.
Chemists and supply chain managers see a future where crop science and chemical engineering work hand in hand. Geneticists already test oilseed plants engineered for higher gondoic acid content, which means more efficient methyl gondoate production for industrial use. I’ve sat with sustainability officers brainstorming ways to cut back processing waste, so any step that reduces energy use or raw material input grabs attention fast. The journey for esters like this isn’t only about efficiency or profits—it’s about using today’s science to build tomorrow’s safer, more reliable supply chains. Real progress relies on this kind of practical innovation, digging into the details instead of chasing hype.
Folks often overlook the significance of purity labels on products, whether at the pharmacy, hardware store, or online. Growing up, I saw family members in the lab business double-check every label before an order went out. They knew that quality often boils down to minute differences in content. Trace impurities can impact everything from drug safety to electronics reliability. Take medicine, for instance: even a small contaminant may cause harmful reactions, and in manufacturing, a speck of the wrong material could ruin an entire batch. Labs and factories keep standards high, not just because it’s required, but because standards keep people safe and processes stable.
Grade tells you what purpose a product suits best. No one chooses food-grade bleach for water treatment—too risky. Pharmacy shelves don’t get crowded with technical-grade materials either. In everyday life, hardware store table salt doesn’t taste right in your soup, and baking soda from the cleaning aisle stands worlds apart from what you find by the flour. These distinctions aren’t industry fluff; they keep homes and businesses running as expected.
Laboratory-grade products promise high-quality standards and tight impurity limits, fit for scientific research and critical medical applications. Chemical-grade versions show up in cleaning products, gardening supplies, or educational kits, where cost matters more than chemical “cleanliness.” Each grade comes with guidelines to match its uses, sparing no space for shortcuts. Mistakes with these details can mean failed experiments, rejected crops, or bigger safety threats.
Trust grows from transparency. Reliable producers publish safety data sheets and third-party analysis, showing what’s actually inside each batch. No guessing, no hand-waving. In the food world, food safety recalls happen often when product purity is off or labels mislead. In my own work, I’ve seen clients demand batch certifications before they’ll sign off on a shipment. Asking tough questions about actual content, or looking for lab results showing exact purity percentages, speaks volumes about a supplier’s reliability.
Reading a specification sheet can feel overwhelming, but knowledge beats uncertainty. Look for clear purity percentages, recognizable industry standards, and actual results from tests, not just broad claims. Lean on well-known certifications—pharmaceutical, analytical, or food grades—and ask sellers to explain how their product matches your goal.
The next time a website lists a product as “pure” or “high-grade,” request lab results or batch testing reports. Some companies use vague labels, yet genuine suppliers prove their claims with data. Many offer QR codes linking straight to analysis. In classrooms, on farms, and in medical settings, simple steps like these bridge the gap between marketing and safe, effective results.
The market rewards transparency and consistency. Clear labeling, honest purity stats, and open communication make it easier for everyone to find the right product. Government watchdogs and engineering societies keep tightening standards after public pressure, but buyers have power too. Read the fine print, check the supporting documents, and let clear information guide your decisions. Calling for clarity strengthens the whole system, builds trust, and keeps corners from getting cut.
Cis-11-Eicosenoate methyl ester sounds like a mouthful, but in the lab or factory, it boils down to one thing: handling with care. This fatty acid methyl ester, often used in research, specialty chemicals, or even as a raw material for certain manufacturing processes, doesn’t ask for anything fancy — just a little attention to its quirks.
Temperature swings do chemistry few favors. From years in academia and time working alongside chemists, I know how quickly a compound’s profile can change if the storage room gets sloppy. This ester prefers life in a cool, dry place — think standard chemical refrigerator rather than a freezer or a warm supply closet. Exposing it to heat or sunlight ramps up the chances for it to break down, react with the air, or, in worst-case scenarios, form byproducts nobody wants. Keeping it below room temperature proves ideal, usually in the 2-8°C range.
Many chemicals react if left out in the open or exposed to regular light. If you leave a bottle of Cis-11-Eicosenoate methyl ester under bright lab lights or next to a window, you’re begging for spoiled material. Common sense goes a long way: store it in an amber glass bottle with a tight-fitting cap. This type of dark glass blocks most UV rays, keeping the compound stable longer. Air brings oxygen, which offers up another risk — oxidation. Once this starts, both purity and function start to drop.
Moisture finds its way into almost everything if you let it. I’ve seen plenty of suppliers add a little packet of silica gel or recommend using a desiccator. Any water getting into the container can cause hydrolysis, splitting those esters into fatty acids and methanol, which changes the game entirely. Keeping containers tightly sealed after each use keeps air and humidity at bay.
Anyone who’s spent time in a busy lab knows the pain of finding a half-filled bottle with a peeling label. Labeling with the compound name, date of receipt, concentration, and any hazards never feels like overkill. Using batch numbers also helps if you need to track down a problem later. On more than one occasion, careful labeling saved me from confusing fresh stock with something past its prime.
Cis-11-Eicosenoate methyl ester isn’t highly toxic, but the story doesn’t end there. Gloves, goggles, and a lab coat beat regrets every day of the week. A spill on bare skin or a broken vial on the floor poses not just a chemical risk, but sometimes a mess that lingers and wrecks a workday. Keeping a material safety data sheet handy doesn’t just satisfy the rulebook; it shortens response time when something goes wrong.
Stock rooms easily become graveyards for chemicals past their best. Every few months, take a few minutes to check that everything’s still properly stored, has no cloudiness or odd smells, and that expiration dates haven’t slipped by unnoticed. With extra vigilance, losses from spoiled chemicals drop, and costly mistakes see the door.
Getting storage right isn’t complicated, but it demands a little discipline and respect for what’s on the shelf. Effective handling keeps both people and chemical integrity out of danger, with long-term savings that add up faster than most expect.
Every day, most folks never hear about esters like Cis-11-Eicosenoate Methyl Ester, but industry insiders rely on it just the same. The main sources of this ester trace back to natural oils, notably from mustard seeds and rapeseed. So, even at someone's local supermarket, the contents of cooking oil bottles tie back to this very compound. That direct connection to crops makes attention to its uses critical—not just for scientists, but for anyone interested in food safety, sustainability, and cleaner manufacturing practices.
Factories and auto shops value Cis-11-Eicosenoate Methyl Ester as a backbone in the world of bio-based lubricants. Synthetic alternatives often bring toxic byproducts, and petroleum-based products don’t tick the renewable box. This ester brings in strong lubricity, low toxicity, and it comes from plants. Tests from the USDA show plant-based esters even reduce engine wear when used in biodegradable hydraulic fluids, so the impact goes beyond just the label—it helps cut down pollution if leaks or spills happen. Equipment manufacturers need reliable lubricants that improve equipment lifespan, and plant-based esters answer that demand with growing market acceptance.
Think about shampoos and skin creams. Every time someone smooths lotion onto their hands, a web of chemistry keeps oil and water blended. Cis-11-Eicosenoate Methyl Ester stands out for making this happen smoothly, without the harshness that comes with some petroleum derivatives. Manufacturers depend on its stability and mildness, so consumers with sensitive skin avoid irritation. The ester's gentle performance has even found a home in baby care products and sensitive-skin formulas, areas where consumer trust drives brand loyalty.
Food makers use Cis-11-Eicosenoate Methyl Ester not just as a minor player, but as a functional ingredient that brings texture and shelf-stability. Because it comes from plant oils, people who want vegetarian or allergen-free foods look for it on the label. It works well as an anti-caking agent and even keeps fat-based powders flowing freely—a small tweak that makes blending or storage smoother and avoids spoilage.
Cis-11-Eicosenoate Methyl Ester helps drug makers handle tough molecules. Some pharmaceuticals need carriers that increase bioavailability without causing harm downstream. This ester steps in as a safer alternative to synthetic carriers, and has been studied for use in topical medications aimed at improving the penetration of active ingredients through skin layers. With regulatory agencies like the FDA watching, safer, nature-derived esters get priority in development pipelines.
Demand for sustainable manufacturing keeps climbing, and plant-derived esters can address concerns about toxic waste and resource depletion. Supporting farmers who grow the original oilseeds with fair contracts and sustainable land management gives everyone a stake in the supply chain. Research teams at universities, such as Iowa State and Wageningen, are pushing to boost crop yields while reducing chemical inputs, so these applications deliver benefits all the way from seed to shelf.
People might not see Cis-11-Eicosenoate Methyl Ester on store shelves, but its impact shows up across essential products—cars that run smoother, foods that last longer, and creams that don’t irritate skin. Following the journey from field to finished product reveals just how much one compound can shape safer, cleaner, and more reliable products in daily life.
Walking down the aisle at a local store, it’s easy to spot big tubs, family packs, single-use sachets, and tiny bottles, all stacked up together. Choices seem endless. At first glance, you might think companies just want to reach as many people as possible, but the heart of the matter goes deeper. From my own days living on a tight student budget, the ability to grab a small pack at the cash register saved me from overspending and wasting half the stuff before it went stale. I remember how buying a larger, cheaper bag seemed smart, but half of it turned to dust before the semester ended. Variety in packaging met me where I was at, not just where the marketing plan wanted to land.
Families tend to reach for the bulk boxes, while single folks and city dwellers with smaller apartments lean towards compact packs. People prefer to only store what fits in their pantry. One-size-fits-all sounds convenient, but reality says otherwise. In many industries, products come in small, medium, and large packs not as a luxury, but because daily routines look different in every home. It’s not just an issue for groceries. Think about medicine, cleaning supplies, and even simple things like snacks. The mix of options addresses how much people can carry, store, and finish before things expire.
There’s a catch, though. More packaging sizes can push up manufacturing and logistics costs. Companies need to track stock more closely to avoid empty shelves for the most popular sizes. As a store manager in my twenties, I saw customers frustrated when stuck with giant packs or forced to buy several small ones at a higher cost. Offering the right range cut down on complaints and waste, and people would come back looking for that specific size, not just the cheapest.
Small households rarely finish large packages before spoilage hits. At the same time, big families don’t want to keep restocking every few days. By matching pack size to actual need, people waste less and, frankly, feel less guilty about it. Food Bank volunteers have noted that donations in smaller packs feed more households because they can split inventory fairly. Catering to small and large needs creates less landfill waste and lets everyone play a part in environmental care, without needing a lecture on responsibility.
Lower incomes often mean folks can’t afford to pay extra upfront for the biggest size with the lowest per-unit cost. They’re forced to shop for what fits their cash right now, not what works for the month. Closed choices and pushing people towards “value” sizes can end up costing those least able to pay more in the long run. More flexible sizes let people make choices on their own terms. During supply chain shocks, it’s the smallest and biggest packs that disappear first, showing just how important sizing choices are.
Better labeling, clear shelf signs, and lists of price-per-unit can help people pick the size that makes sense for them, not just for their wallet but for reducing waste too. Retailers sharing advice and manufacturers being transparent about cost breakouts can lead to smarter buying. Giving shoppers meaningful options isn’t just good business—it brings real relief and dignity to people living in all sorts of circumstances.
| Names | |
| Preferred IUPAC name | methyl (11Z)-icos-11-enoate |
| Other names |
Methyl cis-11-eicosenoate Methyl 11-cis-eicosenoate Methyl 11Z-eicosenoate Methyl cis-11-icosenoate 11-cis-Eicosenoic acid methyl ester |
| Pronunciation | /ˈsɪs ɪˈkoʊsəˌnoʊeɪt ˈmiːθəl ˈɛstər/ |
| Identifiers | |
| CAS Number | [23947-78-0] |
| Beilstein Reference | 1845801 |
| ChEBI | CHEBI:38280 |
| ChEMBL | CHEMBL572056 |
| ChemSpider | 197707 |
| DrugBank | DB14097 |
| ECHA InfoCard | 62-60-8 |
| Gmelin Reference | 82102 |
| KEGG | C14827 |
| MeSH | D019335 |
| PubChem CID | 5283425 |
| RTECS number | RGWQX9H0XC |
| UNII | Z5J6GSP7T8 |
| UN number | UN1993 |
| Properties | |
| Chemical formula | C21H40O2 |
| Molar mass | 310.52 g/mol |
| Appearance | Colorless to pale yellow liquid |
| Odor | Unknown |
| Density | 0.86 g/cm3 |
| Solubility in water | insoluble |
| log P | 7.44 |
| Vapor pressure | 1.12E-05 mmHg @ 25°C |
| Acidity (pKa) | Est. pKa = 24.1 |
| Basicity (pKb) | pKb: 15.15 |
| Magnetic susceptibility (χ) | -72.71×10^-6 cm³/mol |
| Refractive index (nD) | 1.447 |
| Viscosity | 4.7 mPa·s (40 °C) |
| Dipole moment | 3.70 D |
| Thermochemistry | |
| Std molar entropy (S⦵298) | 490.8 J·mol⁻¹·K⁻¹ |
| Std enthalpy of formation (ΔfH⦵298) | -241.7 kJ/mol |
| Std enthalpy of combustion (ΔcH⦵298) | -12610.7 kJ/mol |
| Hazards | |
| Main hazards | Causes serious eye irritation. Causes skin irritation. May cause respiratory irritation. |
| GHS labelling | GHS labelling: "No known GHS hazards. |
| Pictograms | GHS07 |
| Signal word | Warning |
| Hazard statements | No Hazard Statements. |
| Precautionary statements | IF ON SKIN: Wash with plenty of soap and water. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. If skin irritation occurs: Get medical advice/attention. |
| NFPA 704 (fire diamond) | 1-1-0-0 |
| Flash point | 220°C |
| Autoignition temperature | Autoignition temperature: 400°C |
| NIOSH | RGQ6240000 |
| PEL (Permissible) | Not established |
| REL (Recommended) | 200 mg |
| IDLH (Immediate danger) | Not established |
| Related compounds | |
| Related compounds |
Eicosenoic acid Methyl oleate Cis-11-Eicosenoic acid Methyl elaidate Methyl erucate |
