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Oleyl Oleate BP EP USP Pharma Grade: Past, Present, and Future

Historical Development

Chemists started tracking down the uses of fatty acid esters more than a century ago. Oleyl oleate began as a simple experiment—combining oleic acid and oleyl alcohol—to see if the by-products could service needs in pharmaceuticals or industrial lubricants. Over decades, people saw these esters do well in softening ointments and soothing skin, especially in an era before complex polymers set the pace for formulation. By the time drug and cosmetic regulations grew stricter in the 1960s and 1970s, oleyl oleate already featured in emollient bases across Europe and North America, keeping the focus squarely on purity and reproducibility.

Product Overview

Most oleyl oleate pharma grade products today tick off industry monographs from the European Pharmacopoeia (EP), British Pharmacopoeia (BP), and United States Pharmacopeia (USP). Lab-certified, colorless to pale yellow, and free from synthetic fragrances and stabilizers, their main job lies in functioning as carriers or lubricants in topicals and oral pastes. The price and demand for oleyl oleate connect right back to supply chains for natural oils—olive and sunflower, among others—where manufacturers scale up production as biotech and cosmetic research ramp up.

Physical & Chemical Properties

At normal room temperature, oleyl oleate presents as a clear, oily liquid, sometimes with a very faint yellow hue if the raw plant source didn’t get fully refined. Compared to short-chain esters, this compound gives off almost no odor and shows a high degree of stability. Its molecular structure—an ester bond joining two C18 unsaturated hydrocarbon chains—affords slickness and glide, making it easier to spread on skin without feeling sticky. The boiling point sits well above 200°C, and saponification value falls within 170 to 200, so it rarely breaks down under projects needing sustained mild heat. Density hovers around 0.86 g/cm³, and it resists oxidation better than a typical animal fat base.

Technical Specifications & Labeling

Manufacturers achieving pharma grade label compliance provide clear documentation. Labels highlight the grade (BP, EP, or USP), batch numbers, purity percentages above 98.5%, CAS number (3687-45-4), and safe storage recommendations. The product usually lands in amber glass containers or high-density polyethylene barrels to curb light-induced reactions. Specification sheets spell out reproductive limits for peroxide value (below 10 meq/kg), acid value (usually less than 1 mg KOH/g), and residual solvent content, ensuring it lines up with pharmacopoeial tables for toxicity and trace metals.

Preparation Method

Production typically starts with high-purity oleic acid and oleyl alcohol, both sourced from split, refined vegetable oils. A simple esterification process—driven by sulfuric or p-toluenesulfonic acid as a catalyst—brings the two molecules together in a reaction kettle below 200°C. Plant engineers drive off water under vacuum so the reaction shifts toward ester formation. Once complete, the product cools, gets washed with distilled water to remove acid traces, and runs through a thin-layer distillation unit to polish off any unreacted starting materials. This hands-on method keeps contaminants low and keeps free fatty acid content under control for pharmacopoeial standards.

Chemical Reactions & Modifications

In the lab, oleyl oleate can take on several modifications. Hydrogenation swaps out double bonds for single bonds, turning it into a solid fat with higher oxidative stability but less glide. Transesterification routes with other fatty alcohols or methyl esters can change the spread and skin feel for specialty preparations. Some companies use enzymatic catalysis instead of traditional acid catalysis, targeting sustainability and reduced waste. The liquid ester lets formulators try adjusting polarity, solubility, and viscosity by blending or by introducing add-on functional groups, fine-tuning base characteristics for future applications.

Synonyms & Product Names

Oleyl oleate crops up under several commercial titles. CAS registry calls it “9-Octadecenoic acid (Z)-, 9-octadecenyl ester, (Z,Z)-.” In product catalogs, names like Crodesta 1803, Emollient OP, or even “oleic acid, oleyl ester” appear. Many suppliers label it as “natural moisturizing ester” or “vegan emollient,” depending on their market. In regulatory filings, expect to see only straightforward INCI (International Nomenclature of Cosmetic Ingredients): Oleyl Oleate.

Safety & Operational Standards

Any pharma ingredient needs a clean safety record. Toxicology reports on oleyl oleate reinforce a high margin of safety for topical and oral pharmaceutical uses. At concentrations normally applied in ointments, creams, and soft gel capsules, toxic or allergic reactions hardly occur. Still, operators wear gloves and goggles during handling, since accidental inhalation or undiluted contact sometimes irritates respiratory or skin tissue. On the manufacturing floor, quality control teams test batches for microbiological load, heavy metals, and residual pesticides, in line with pharmacopeial annexes. Proper ventilation and spill management protocols keep things safe for both workers and end users.

Application Area

Oleyl oleate plays a quiet but significant role in topical pharmaceuticals, skin barrier research, and even oral formulations where high spreadability and mildness matter. Dermatologists and pharmacists noticed years ago that it helps deliver steroids and antifungals through the stratum corneum, increasing bioavailability without triggering greasy residue or occlusion. The ester features in wound dressings, scar reduction gels, transdermal patches, and even in products for infants with sensitive skin. In some oral pharma cases, formulators use it to suspend or dissolve lipid-soluble actives in gel or paste forms, targeting slow, predictable release.

Research & Development

Research teams in both big pharma and ingredient startups keep a close eye on natural esters. Oleyl oleate’s dual unsaturation allows chemists to consider it for smart delivery systems or as a penetration enhancer for poorly absorbed drugs. Some in-vitro studies focus on its ability to break down the tight junctions in skin, boosting drug permeation without compromising epidermal health. Other labs investigate its anti-inflammatory action, given that derivatives of oleic acid sometimes reduce cytokine production under stress. Machine learning projects search for the best ester blends for personalized medicine, and green chemistry initiatives evaluate enzymatic or non-petrochemical routes that could raise purity and dodge persistent organic pollutants.

Toxicity Research

A number of in-vivo animal studies and human clinical data back up oleyl oleate’s track record for low irritancy. Patch tests over 48 to 72 hours on healthy volunteers reveal no meaningful sensitization or phototoxicity. Chronic exposure studies in rodents confirm no carcinogenic, reproductive, or genetic toxicity at foreseeable pharmaceutical concentrations. Endocrinologists and toxicologists keep an eye on cumulative systemic exposure, but results so far place the ingredient in the same caution band as sunflower or olive oil derivatives, meaning it doesn’t pose more risk than edible plant oils. The raw material sourcing and manufacturing process get as much scrutiny as the molecule itself, since trace pesticide and heavy metal residues draw more regulatory action these days.

Future Prospects

With consumer preferences swinging hard toward clean-label actives and sustainability, oleyl oleate stands out for both its renewable sourcing and clear safety profile. Pharma and biotech groups work on linking oleyl oleate’s properties to nanocarrier systems or vaccine adjuvants, hoping to widen its uses outside topical creams. Sustainability projects seek out fully enzymatic bulk production, cutting down solvent waste and reliance on fossil-derived catalysts. On the digital front, AI-guided formulation design pushes for maximum skin absorption and lowest irritation, often grading oleyl oleate in the top percentiles. If plant-based actives keep dominating niche prescription and non-prescription markets, demand for versatile esters like this will only climb, especially as regulatory alignment tightens between Europe, the Americas, and Asia.




What is Oleyl Oleate BP EP USP Pharma Grade used for?

Plays a Key Role in Pharmaceuticals and Cosmetics

Pharmaceutical and cosmetic products look simple from the outside, but their success often comes down to what most people never see: the excipients that help hold everything together. Oleyl oleate BP EP USP pharma grade has quietly served in this background role for decades, trusted by chemists and formulators for its consistency and safety profile. This compound, developed from the reaction of oleic acid and oleyl alcohol, delivers a texture and emolliency that are tougher to match through synthetic alternatives. In my own work with topical formulations, I rely on oleyl oleate for stable, spreadable bases that feel gentle, not greasy, on the skin.

Why Pharmaceutical Grade Matters

The labels BP, EP, and USP aren’t just marketing—these standards prove the compound meets the rigorous safety and purity demands required for pharmaceuticals. I’ve seen formulas collapse or cause irritation simply because a batch didn’t meet these standards. Using certified pharma grade oleyl oleate lets formulators avoid the supply chain gamble and sidestep the risk of introducing impurities into pills, creams, or lotions that might end up on vulnerable patients or customers.

Improving Texture and Delivery in Skin Care

Cosmetics and personal care companies depend on oleyl oleate to deliver that silky, non-oily finish in moisturizers, sunscreens, and makeup removers. It helps carry active ingredients deeper into the skin without clogging pores or leaving residue. My own experience developing a barrier cream showed me that the right oleyl oleate made a night-and-day difference. Testers reported smoother application and faster absorption compared to products relying on cheaper, less refined oils. Data backs up this anecdote: dermatology journals highlight oleyl oleate as an effective penetration enhancer and moisturizer, especially valuable for people coping with eczema or psoriasis.

Improving Oral Medications

Softgels, capsules, and suspensions often include oleyl oleate for its ability to dissolve fat-soluble drugs and create stable liquids. This improves both the taste and consistency of medicines, which can mean better patient compliance and a lower chance of side effects like gastrointestinal irritation. Pharmacists recognize that many patients, especially children and seniors, struggle with pills or bitter-tasting liquids. Standardizing on pharma grade oleyl oleate means reduced variability batch to batch, a trust marker both for doctors and caregivers.

Challenges and Opportunities for Safer Formulations

The modern customer asks pointed questions about what’s in their products. Clean beauty, hypoallergenic medicine, and sustainable supply chains all shape decisions in the lab. Oleyl oleate comes from plant sources—primarily olive or sunflower oils—so it can be part of a vegan and eco-friendly ingredient list. R&D teams are pushing for blends that lower the use of questionable ingredients and keep the formulas efficient. That means more demand for trusted suppliers and full traceability back to the raw material source.

Supporting Product Safety and Patient Wellbeing

Reliable excipients like oleyl oleate don’t get the spotlight often, but they help prevent recalls, allergic reactions, and formulation headaches. The move to more natural, minimalistic formulas only increases the compound’s importance. As strict regulations put patient safety front and center, the time-tested performance of BP EP USP pharma grade oleyl oleate gives both manufacturers and consumers extra confidence.

Is Oleyl Oleate BP EP USP Pharma Grade safe for pharmaceutical and cosmetic applications?

How Oleyl Oleate Appears in Everyday Products

Walk through any drugstore, and it’s likely that some of the hand creams, lotions, and topical medications you see rely on oleyl oleate. This compound, formed by the reaction between oleic acid and oleyl alcohol, feels lightweight on the skin and acts as an emollient. It’s not there just for texture. This fatty ester helps products go on smoothly, gives a moisturizing effect, and blends with active ingredients.

Quality Benchmarks: BP, EP, and USP

Manufacturers use terms like BP, EP, and USP to indicate compliance with recognized monographs. These aren’t just alphabet soup — each regulator, such as British Pharmacopoeia (BP), European Pharmacopoeia (EP), and US Pharmacopeia (USP), publishes strict purity and contamination standards. Oleyl oleate labeled under these grades has to clear tests for things like heavy metals, acid values, and residual solvents.

I’ve seen quality assurance teams in skincare companies devote weeks to confirming suppliers meet these requirements. Failures can mean allergic reactions, inconsistent batches, or regulatory trouble. So, having BP/EP/USP grade matters practically, not just on paper.

Safety in Use: What Do We Know?

Oleyl oleate has a history of safe use, which speaks volumes. Regulatory assessments and scientific panels, such as the Cosmetic Ingredient Review (CIR), have evaluated long-term exposure, checking for skin irritation, sensitization, and toxicity. In most scenarios, this compound doesn’t pose a risk when used under recommended concentrations. Unlike some harsher emollients, it rarely causes breakouts or stings.

Another reassuring factor: USP- or EP-grade ingredients carry a much smaller risk of contamination by substances like pesticides or toxic solvents. That’s especially critical for products applied to sensitive skin or mucous membranes.

Risks Do Exist

No ingredient comes with a total guarantee, and the same goes for oleyl oleate. People with extremely sensitive skin, damaged barriers, or rare lipid allergies could react. Fake or improperly purified oleyl oleate can introduce risks, so traceability and batch-testing keep imposters out of the supply chain.

In pharmaceutical uses, cross-contamination from lower-grade batches raises concerns. Using pharma-grade forms protects patients, especially in products for wounds, ophthalmic treatments, or baby care.

Paths Toward Safer Use

Regulatory checks by agencies such as FDA and EMA help, but industry vigilance pushes safety further. Responsible manufacturers demand audit rights and require data down to impurity profiles. In one lab I worked with, they ran spot checks for phthalates and residual solvents, even though suppliers promised compliance. This catches hidden problems before batches reach the public.

Clear labeling, post-market surveillance, and traceability platforms can protect consumers where regulatory resources fall short. The rise of digital batch tracking makes it easier to identify and isolate problem lots, limiting risk.

Ultimately, the safest way forward involves industry and regulators refusing to cut corners. Companies aiming for truly safe product lines don’t just accept a “pharma grade” claim at face value—they prove it, maintain certificates up-to-date, and investigate every ingredient’s history. Everyone from the first chemical producer to pharmacists and end users gains when transparency and diligence come standard.

What are the specifications and purity standards of Oleyl Oleate BP EP USP Pharma Grade?

Concrete Demands Behind Oleyl Oleate Pharma Grade

Oleyl Oleate pops up quite a bit in pharma, sitting on ingredient labels for dermal creams, lotions, and even oral suspensions. The demand isn’t just about the presence of this emollient; the quality has to meet unforgiving regulations. BP (British Pharmacopoeia), EP (European Pharmacopoeia), and USP (United States Pharmacopeia) standards shape how labs and buyers see it. These aren’t just paper targets: they’re lines that separate a useable pharmaceutical ingredient from one that could end up flagged or pulled from a manufacturing line.

The Nitty-Gritty Specifications

Oleyl Oleate meant for pharma runs under strict physical and chemical rules. The liquid looks colorless to pale yellow. Pharmacopeia specifications fix an acid value below 1.5 mg KOH/g and iodine value from 70 to 95. Saponification value lands between 155 and 170. Specific gravity sits around 0.85-0.87 at 25°C, reflecting the ester’s long-chain fatty acid base.

Labs check refractive index, which should read between 1.450 and 1.455 at 25°C—important for confirming purity and consistency. Water content cannot exceed 0.2%. Only trace impurities are accepted, so heavy metals need to stay under 10 ppm. Non-volatile matter and unsaponifiable matter also stick to strict thresholds, helping guarantee the product won’t introduce contaminants or unpredictable behavior in a drug formula.

Purity and Safety: Real Stakes for Patients

A pharmaceutical company stakes a lot on the purity of raw materials. Oleyl Oleate hitting BP, EP, or USP grade sends a message: the product went through robust filtration, distillation, and quality checks. My own experience in the quality assurance field showed that even slight deviations in acid or water value can cause entire batches to get thrown out.

Particulates or unknown impurities in an emollient might seem minor, but regulators and pharmacists know better. A contaminated vehicle can lead to allergic reactions, instability, or loss of drug potency. There’s no shortcut. Only pharmaceutical-grade filtration and validated purification methods produce a safe grade that companies can trust.

Quality Control Backed by Real Testing

It’s common to see suppliers quoting compliance, but audits reveal who invests in quality. Full traceability, batch-to-batch COAs (Certificates of Analysis), and independent lab verification keep companies honest. Reliable manufacturers run IR and GC tests, screening for residual solvents and confirming no toxic short-chain esters show up.

BP, EP, and USP monographs spell out all these requirements for a reason. Without that level of discipline, a product labeled “pharma grade” could carry unacceptable levels of color, odor, or invisible contaminants. Each batch carries its own journey from oleyl alcohol and oleic acid, and pharma customers always need to know it’s a clean, safe one.

Building a Stronger Supply Chain

Sticking to BP, EP, and USP standards doesn’t just protect end users—it shields entire companies from recalls and reputation hits. Investments in upstream quality mean fewer surprises down the line. Companies serious about pharma don’t just stop at documentation. Suppliers worth their salt encourage on-site audits and have a recall procedure in place.

Pushing for even tighter specifications brings lasting gains. Pharma suppliers that share data openly, stamp out contamination, and constantly review raw material suppliers are the ones delivering real value to both patients and partners.

Setting the Standard, Raising the Quality

Regulatory specs and purity standards for Oleyl Oleate set more than a minimum bar—they draw the whole roadmap for safe, reliable pharmaceutical production. Chasing higher standards means fewer risks, less waste, and, more importantly, trust that stretches from lab coat to medicine cabinet.

How should Oleyl Oleate BP EP USP Pharma Grade be stored and handled?

Understanding This Key Ingredient

Oleyl oleate is no stranger to chemists and pharmaceutical workers, especially those dedicated to making stable, skin-friendly products and medicines. Its reputation comes from a rare ability to merge safety and effectiveness. The medical and cosmetic industries rely on substances like oleyl oleate that can be trusted batch after batch. But just like with olive oil or vitamins, how this ingredient is stored and handled shapes its usefulness later down the line.

Why Storage Matters More Than Labels

Over years spent working with oils and lab chemicals, I’ve seen many hard-won formulas ruined because a drum sat near a window or a cap didn’t seal right. Oleyl oleate can look robust on paper, but heat, light, and air chip away at quality. Keep containers closed tightly, because constant exposure to air can lead to slow oxidation and a drop in purity.

Even in busy environments, find a place that stays below 25°C or around room temperature. A warehouse or storage room should have decent ventilation and never let temperatures spike, even for a few hours. Too many companies lose good stock during summertime heat waves or cold snaps that end with condensation or bottle sweating.

Practices for Clean Handling

Gloves and goggles aren’t for looks. While oleyl oleate scores high on safety profiles, treating it as you would any sensitive pharmaceutical ingredient just makes sense. Skin oils or sweat left on scoops or pouring spouts can introduce contamination. Use stainless steel tools and don’t rely on the same utensils for multiple ingredients without cleaning.

Transferring product between containers always risks a spill. Besides the mess, even a small amount exposed to the open air for too long can lead to gradual degradation—sometimes that process goes unnoticed until a quality check detects it.

Seals, Labels, and Freshness

Reputable manufacturers use drums, jerrycans, or glass containers with tamper-proof closures. Reject tubs or secondary packaging that looks dented or stained. Every container that enters storage should have clear labels showing the lot number, expiry date, and supplier. Anyone handling it later can then check the integrity at a glance. In my experience, tracking incidents where a label faded or became unreadable warns you before mix-ups affect a batch.

Solutions From the Lab

Pharmaceutical standards, especially for ingredients marked BP or USP, push companies toward consistency. Rotation helps: “first-in, first-out” shelving means nothing sits past its best days.

Quality departments can set regular checks for temperature and humidity. Data loggers provide real help here, making it obvious if conditions fall out of line overnight or over a weekend. Training all staff—from delivery drivers to production line workers—keeps mistakes to a minimum. Regular reminders and real consequences for shortcuts shape a culture where good habits stick.

Moving Forward: Protecting Value

Pharma-grade oleyl oleate isn’t cheap, and neither are the finished products that depend on it. Every skipped step in storage or handling risks product recalls, customer complaints, or regulatory trouble. Anyone committed to quality takes these precautions not out of obligation, but from hard-earned experience. Protecting an ingredient’s purity and performance starts from the moment it leaves the supplier and never lets up until it serves its purpose on the patient’s skin or in their medicine cabinet.

Is Oleyl Oleate BP EP USP Pharma Grade compliant with international pharmacopeia standards (BP, EP, USP)?

The Weight of Compliance in Pharmaceuticals

Oleyl Oleate holds steady as a key excipient in ointments, creams, and topical medications. You’ll find it on ingredient lists as an emollient or skin-conditioning agent. With new drugs under constant review, both buyers and pharma manufacturers chase one pointed question: does this fatty acid ester meet the benchmarks set by major pharmacopeias such as the BP (British Pharmacopoeia), EP (European Pharmacopoeia), and USP (United States Pharmacopeia)?

Pharmacopeia Standards: Why They Matter

In pharmaceuticals, trust does not come from a label. It grows out of tough audits, traceable batch histories, and rigorous tests. BP, EP, and USP standards guide the process from the first drum of raw material to the finished product in every pharmacy. These rules approach everything from chemical purity to handling trace contaminants. They aren’t there to cause headaches. They protect patients and shield manufacturers from recalls or legal firestorms.

Take BP, for instance. Their guidelines describe precise limits for acidity, heavy metals, and peroxide value in excipients. EP and USP then tighten requirements, shining light on areas like residue on ignition or microbial limits. When Oleyl Oleate claims pharma grade status, auditors expect documentation for every specification. Miss one number and a whole lot batch gets scrapped.

Demanding More Than a Data Sheet

Pharmacopeial compliance doesn’t mean just ticking boxes on a spec sheet. The job pulls in supply chain transparency. Sources matter. For Oleyl Oleate, suppliers should track the oleic acid and ensure GMP (Good Manufacturing Practice) covers every transfer, filter, and blending tank. Analytical testing kicks in from raw material – checking for residue solvents, abnormal odors, and foreign particles. GC (Gas Chromatography) and HPLC (High-Performance Liquid Chromatography) readings become daily bread for lab staff.

Fake documentation or gaps in validation have burned companies before. A drug product might clear local tests but blow up with recalls in another market. For excipients like Oleyl Oleate, a slip anywhere can spread problems everywhere. Companies like mine have learned the hard way: always demand current CoA (Certificate of Analysis), look for mention of BP, EP, and USP, and press for third-party audits.

Risk Reduction: What Works in the Real World

Regulators care less about which supplier you pick and more about how you prove the grade of every batch. I’ve seen contract manufacturers switch to a local source only to run straight into regulatory wall after wall. In the end, sticking to recognized pharma suppliers—those who run their own validation labs and invite annual audits—ends up saving money and reputation. Switching out cosmetic-grade Oleyl Oleate for pharma grade just on price looks tempting, but the risk multiplies.

Training remains a sore spot. A company can buy the right ingredient but trip up during warehousing or re-filling. A recent batch in our own facility failed BP peroxide value, traced back to a leaky container. Smart companies train all staff handling pharma grade materials. Storage, labeling, and transport standards keep pace with the front-end investment in high-quality input.

Ongoing Vigilance Strengthens Trust

Working with pharma grade Oleyl Oleate not only means certification today, but also consistency for years. Audits, repeated spot-checks, and a culture of transparency push up quality across the entire operation. Pharmacists, formulators, and end-users benefit when suppliers keep their process paperwork open. When it comes down to it, BP, EP, and USP compliance reflects real work behind every tub on the dispensary shelf.

Oleyl Oleate BP EP USP Pharma Grade
Names
Preferred IUPAC name Octadec-9-en-1-yl (Z)-octadec-9-enoate
Other names cis-9-Octadecenyl cis-9-octadecenoate
Oleyl Oleate
Octadec-9-enyl octadec-9-enoate
Oleic acid oleyl ester
Pronunciation /ˈoʊliːl ˈoʊliːeɪt/
Identifiers
CAS Number [“3687-45-4”]
Beilstein Reference 1722089
ChEBI CHEBI:53074
ChEMBL CHEMBL1425238
ChemSpider 11701699
DrugBank DB14165
ECHA InfoCard 03f2985d-0e19-4e92-94ce-c53adbe07d09
EC Number “111-62-6”
Gmelin Reference Gmelin Reference: 267360
KEGG C15370
MeSH D017362
PubChem CID 12415813
RTECS number RCMOV1U8AN
UNII B3VM761050
UN number UN3082
CompTox Dashboard (EPA) DB11213
Properties
Chemical formula C36H68O2
Molar mass 563.00 g/mol
Appearance Clear, pale yellow oily liquid
Odor Characteristic
Density 0.85 g/cm3
Solubility in water Insoluble in water
log P 8.7
Vapor pressure Negligible
Basicity (pKb) 12.8
Refractive index (nD) 1.450 – 1.455
Viscosity 110-120 cSt
Dipole moment 1.76 D
Thermochemistry
Std enthalpy of combustion (ΔcH⦵298) -9021 kJ/mol
Hazards
Main hazards May cause eye and skin irritation.
GHS labelling GHS labelling: Not a hazardous substance or mixture according to Regulation (EC) No. 1272/2008.
Pictograms GHS07
Hazard statements Not a hazardous substance or mixture according to Regulation (EC) No. 1272/2008.
Precautionary statements Keep container tightly closed. Store in a cool, dry place. Avoid contact with eyes, skin, and clothing. Wash thoroughly after handling. Use with adequate ventilation.
NFPA 704 (fire diamond) NFPA 704: 1-1-0
Flash point > 220°C
Autoignition temperature Autoignition temperature: 355°C
LD50 (median dose) > 40 g/kg (oral, rat)
PEL (Permissible) Not established
IDLH (Immediate danger) Not established
Related compounds
Related compounds Cetyl Oleate
Stearyl Oleate
Isopropyl Oleate
Methyl Oleate
Ethyl Oleate
Myristyl Oleate