2-ETHYLHEXYL OLEATE
2-Ethylhexyl oleate is a fatty acid ester formed from oleic acid and 2-ethylhexanol, widely used as an emollient and lubricant in cosmetic, pharmaceutical, and industrial applications.
2-Ethylhexyl oleate appears as a clear, colorless to pale yellow oily liquid with a mild characteristic odor, low volatility, and good thermal and oxidative stability.
Due to its long hydrocarbon structure, 2-Ethylhexyl oleate provides excellent lubrication, skin conditioning, and moisture retention while imparting a smooth, non-greasy feel, making it highly compatible with personal care and specialty industrial formulations.
CAS Number: 26399-02-0
EC Number: 247-655-0
Molecular Formula: C26H50O2
Molecular Weight: 394.67
Synonyms: 2-Ethylhexyl oleate, ethylhexyl oleate, 26399-02-0, 9-Octadecenoic acid (9Z)-, 2-ethylhexyl ester, 2-Ethylhexanol oleic acid ester, SABODERM EO, SYMPATENS-EO, DUB OO, 9-Octadecenoic acid (Z)-, 2-ethylhexyl ester, EINECS 247-655-0, R34927QY59, AEC ETHYLHEXYL OLEATE, Oleic acid, 2-ethylhexyl ester, DTXSID90893468, EC 247-655-0, 2-ETHYLHEXYL 2-OCTADECENOATE, 2-OCTADECENOIC ACID, 2-ETHYLHEXYL ESTER, RefChem:596774, ETHYLHEXYL OLEATE [INCI], DTXCID801323485, 247-655-0, 2-ETHYLHEXYL (9Z)-OCTADEC-9-ENOATE, 2-ethylhexyl (Z)-octadec-9-enoate, UNII-R34927QY59, 2-ethylhexyloleate, SCHEMBL333602, FOKDITTZHHDEHD-PFONDFGASA-N, (+/-)-ETHYLHEXYL OLEATE, MFCD00072286, ETHYLHEXYL OLEATE, (+/-)-, AKOS027322108, AS-66491, NS00004020, A11512, Q27287724, (9Z)-9-Octadécénoate de 2-éthylhexyle, 2-Ethylhexyl (9Z)-9-octadecenoate, 2-Ethylhexyl (9Z)-octadec-9-enoate, 2-Ethylhexyl oleate, 2-Ethylhexyl-(9Z)-9-octadecenoat, 247-655-0, 26399-02-0, 9-Octadecenoic acid, 2-ethylhexyl ester, (9Z)-, ETHYLHEXYL OLEATE, 2-Ethylhexyl 9-octadecenoate, 2-ethylhexyloleate, 9-Octadecenoic acid, 9-Octadecenoic acid (9Z)-, 2-ethylhexyl ester, 9-Octadecenoic acid (Z)-, 2-ethylhexyl ester, 90459-87-3, MFCD00072286, OLEIC ACID, 2-ETHYLHEXYL ESTER
2-Ethylhexyl oleate is a fatty acid ester formed from oleic acid and 2-ethylhexanol, widely used as an emollient and lubricant in cosmetic, pharmaceutical, and industrial applications.
2-Ethylhexyl oleate appears as a clear, colorless to pale yellow oily liquid with a mild characteristic odor and exhibits excellent spreading properties and low volatility.
Due to its long hydrocarbon chains, 2-Ethylhexyl oleate provides effective lubrication, skin conditioning, and moisture retention while imparting a smooth, non-greasy feel.
2-Ethylhexyl oleate is insoluble in water but highly soluble in oils and nonpolar organic solvents, contributing to its stability and compatibility in formulations.
These properties make 2-Ethylhexyl oleate a valued ingredient in personal care products, topical formulations, and specialty industrial fluids where softness, flexibility, and oxidative stability are required.
2-Ethylhexyl oleate is a low or no odor, hydrophobic, highly biodegradable, unsaturated, bio-diluting monoester with low or no odor, formed by the reaction of 2-ethylhexanol with oleic acid, a biobased fatty acid.
2-Ethylhexyl oleate is a bio-based, hydrophobic, 2-Ethylhexyl oleate.
2-Ethylhexyl oleate has low initial color, good color stability, low odor, and good biodegradability.
This ester can be used as a diluent in a variety of formulations, in addition to a wide range of consumer care and industrial systems.
2-Ethylhexyl oleate is an ester derived from oleic acid and 2-ethylhexanol.
2-Ethylhexyl oleate is characterized by its clear, colorless to pale yellow liquid form, with a mild, fatty odor.
2-Ethylhexyl oleate is known for its low viscosity and good solubility in organic solvents, making it useful in various applications, including as a plasticizer, lubricant, and emollient in cosmetic formulations.
2-Ethylhexyl oleate's chemical structure features a long hydrocarbon chain, which contributes to its hydrophobic properties, while the oleate portion provides unsaturation, enhancing its compatibility with other organic materials.
2-Ethylhexyl oleate exhibits good thermal stability and is resistant to oxidation, which is advantageous for its use in formulations that require longevity and stability.
Additionally, 2-Ethylhexyl oleate is considered to have low toxicity, making it suitable for use in personal care products.
2-Ethylhexyl oleate is a solvent and a rheology modifier.
2-Ethylhexyl oleate is applicable for inks and coatings applications.
2-Ethylhexyl oleate is Halal, European Kosher, RSPO, ISO 9001:2015 and Feed Chain Alliance certified.
2-Ethylhexyl oleate is used in washing & cleaning products, lubricants and greases, adhesives and sealants, polishes and waxes, textile treatment products and dyes and polymers.
2-Ethylhexyl oleate is a long-chain fatty acid ester synthesized from oleic acid and 2-ethylhexanol, known for its excellent emollient, lubricating, and conditioning properties.
Structurally, the combination of an unsaturated C18 fatty acid with a branched alcohol results in a molecule that offers high flexibility, oxidative stability, and a pleasant sensory profile.
Physically, 2-Ethylhexyl oleate is a clear, colorless to pale yellow oily liquid with a mild characteristic odor, low volatility, and good thermal stability.
2-Ethylhexyl oleate is insoluble in water but readily soluble in oils and nonpolar organic solvents, which makes it highly compatible with lipid-based formulations.
In cosmetic and pharmaceutical applications, 2-Ethylhexyl oleate is valued for its ability to soften and smooth the skin, enhance spreadability, and reduce the greasy feel of formulations while supporting moisture retention.
Beyond personal care, 2-Ethylhexyl oleate is also used as a lubricant, plasticizer, and carrier fluid in industrial formulations, where its chemical stability, lubricity, and biodegradability contribute to improved performance and durability.
Uses of 2-Ethylhexyl Oleate:
2-Ethylhexyl oleate is widely used across cosmetic, pharmaceutical, and industrial sectors due to its excellent emollient and lubricating properties.
In personal care products, 2-Ethylhexyl oleate functions as a skin-conditioning agent that improves spreadability, softness, and moisture retention while providing a smooth, non-greasy feel.
In pharmaceutical applications, 2-Ethylhexyl oleate is employed as a carrier oil and excipient in topical and transdermal formulations to enhance solubility and skin penetration of active ingredients.
Beyond personal care, 2-Ethylhexyl oleate is utilized as a biodegradable lubricant and plasticizer in industrial formulations, where it contributes to improved flexibility, lubricity, and durability.
2-Ethylhexyl oleate's chemical stability, compatibility with oils, and pleasant sensory profile make it a versatile component in a wide range of specialty formulations.
2-Ethylhexyl oleate is a versatile compound used as a solvent, diluent, plasticizer, lubricant, and emollient in various applications, including cosmetics, pharmaceuticals, and industrial products.
2-Ethylhexyl oleate is recommended as a bio-diluent, solvent, or plasticizer in ink, adhesive, and coating applications.
2-Ethylhexyl oleate can also be used in cleaning and stripping products.
2-Ethylhexyl oleate’s characteristics also allow use as fragrance fixative; industrial lubricant or release agent; and as replacement for mineral, vegetable and selected silicone oils.
2-Ethylhexyl oleate is used in Lubricants and Hydraulic Fluids:
2-Ethylhexyl oleate is used as a lubricant and plasticizer in the production of lubricating oils, hydraulic fluids, and metal working fluids due to its low viscosity and high thermal stability.
2-Ethylhexyl oleate helps to reduce friction and wear in mechanical systems, ensuring smooth operation and extending the life of equipment.
2-Ethylhexyl oleate is used in Plastics Industry:
2-Ethylhexyl oleate is used as a plasticizer in the production of vinyl and other plastics.
2-Ethylhexyl oleate enhances the flexibility and durability of the materials, making them more resistant to cracking and deformation under stress.
2-Ethylhexyl oleate is used in Personal Care Products:
2-Ethylhexyl oleate is used in the formulation of personal care products, such as lotions and creams.
2-Ethylhexyl oleate improves the spreadability of these products, providing a smooth, non-greasy feel on the skin.
This makes 2-Ethylhexyl oleate an ideal ingredient for skincare and cosmetic products that require a pleasant texture and easy application.
Industry Uses:
Lubricants and lubricant additives
Lubricating agent
Surface active agents
Consumer Uses:
Lubricants and lubricant additives
Lubricating agent
Surface active agents
Benefits of 2-Ethylhexyl Oleate:
2-Ethylhexyl oleate provides excellent emollient properties by softening and smoothing the skin while supporting long-lasting moisture retention.
2-Ethylhexyl oleate improves the sensory profile of formulations by offering high spreadability and a non-greasy, silky feel.
2-Ethylhexyl oleate shows high compatibility with oils, waxes, and lipophilic active ingredients, allowing easy incorporation into cosmetic and pharmaceutical formulations.
2-Ethylhexyl oleate contributes to enhanced formulation stability due to its good thermal and oxidative resistance.
2-Ethylhexyl oleate functions as an effective carrier for fragrances and active substances, ensuring uniform distribution and improved performance.
2-Ethylhexyl oleate is biodegradable and skin-friendly, making it suitable for environmentally conscious and sensitive-skin applications.
2-Ethylhexyl oleate enhances lubricity, flexibility, and durability when used in industrial lubricants and plasticized systems.
Production of 2-Ethylhexyl Oleate:
2-Ethylhexyl oleate is produced by the esterification of oleic acid with 2-ethylhexanol under controlled conditions.
The reaction is typically carried out in the presence of an acid catalyst, with water formed during the process continuously removed to drive the reaction toward ester formation.
Temperature and reaction time are carefully controlled to achieve high conversion and product purity.
After completion, the crude ester is neutralized and purified, usually by washing and vacuum distillation, to remove residual acids, alcohol, and catalyst.
Industrial production emphasizes low moisture content and controlled processing to ensure good oxidative stability and consistent quality for cosmetic, pharmaceutical, and industrial applications.
Stability and Reactivity of 2-Ethylhexyl Oleate:
Chemical stability:
2-Ethylhexyl oleate is chemically stable under normal conditions of use, handling, and storage.
Reactivity:
No hazardous reactions are expected under normal conditions.
Conditions to avoid:
Excessive heat, open flames, and prolonged exposure to air and light, which may promote oxidation.
Incompatible materials:
Strong oxidizing agents.
Hazardous decomposition products:
Thermal decomposition may produce carbon monoxide (CO), carbon dioxide (CO₂), and irritating fumes.
Handling and Storage of 2-Ethylhexyl Oleate:
Handling:
Handle in accordance with good industrial hygiene and safety practices.
Avoid prolonged or repeated skin contact.
Storage:
Store in a cool, dry, well-ventilated area away from heat and ignition sources.
Storage conditions:
Keep containers tightly closed and protect from light and air to minimize oxidation.
Packaging materials:
Suitable for storage in stainless steel, aluminum, or approved plastic containers.
Shelf life:
Long shelf life when stored under recommended conditions.
First Aid Measures of 2-Ethylhexyl Oleate:
Inhalation:
Remove person to fresh air.
Seek medical attention if respiratory discomfort persists.
Skin contact:
Wash thoroughly with soap and water.
Remove contaminated clothing.
Eye contact:
Rinse cautiously with water for several minutes.
Remove contact lenses if present and easy to do.
Ingestion:
Rinse mouth with water.
Do not induce vomiting.
Seek medical advice if large amounts are ingested.
Most important symptoms:
Mild skin or eye irritation in sensitive individuals.
Firefighting Measures of 2-Ethylhexyl Oleate:
Suitable extinguishing media:
Water spray, foam, dry chemical powder, or carbon dioxide (CO₂).
Specific hazards:
Combustible liquid; vapors may form flammable mixtures at elevated temperatures.
Protective equipment for firefighters:
Self-contained breathing apparatus and full protective clothing.
Special precautions:
Cool exposed containers with water spray to prevent rupture.
Accidental Release Measures of 2-Ethylhexyl Oleate:
Personal precautions:
Avoid slipping hazards caused by spilled material.
Wear appropriate personal protective equipment.
Environmental precautions:
Prevent large quantities from entering drains or waterways.
Methods for cleanup:
Absorb with inert material such as sand, earth, or vermiculite and collect for disposal according to local regulations.
Exposure Controls / Personal Protective Equipment of 2-Ethylhexyl Oleate:
Occupational exposure limits:
Not established.
Engineering controls:
Adequate general ventilation recommended.
Respiratory protection:
Not normally required under normal use.
Hand protection:
Protective gloves recommended for prolonged contact.
Eye protection:
Safety glasses recommended.
Skin protection:
Protective clothing as needed.
Hygiene measures:
Wash hands after handling.
Avoid eating, drinking, or smoking in work areas.
Identifiers of 2-Ethylhexyl Oleate:
CAS No.: 26399-02-0
Cat. No.: CS-0661277
Purity: ≥98%
MDL No.: MFCD00072286
Molecular Formula: C₂₆H₅₀O₂
Molecular Weight: 394.67
Catalogue number: PA 27 0034426
Chemical name: 2-Ethylhexyl oleate
CAS Number: 26399-02-0
Category: miscellaneous compounds
Molecular form: C26H50O2
Appearance: NA
Mol. Weight: 394.68
Storage: 2-8°C Refrigerator
Linear Formula: C26H50O2
Molecular Weight: 394.68
MDL number: MFCD00072286
Molecular formula: C26H50O2
Average mass: 394.684
Monoisotopic mass: 394.381081
ChemSpider ID: 4942537
Product Name: 2-Ethylhexyl oleate
CAS No.: 26399-02-0
Molecular Weight: 394.67
MDL No.: MFCD00072286
Purity/ Specification: 95%
Molecular Formula: C26H50O2
Storage: Sealed in dry, room temperature
SMILES Code: CCCCCCCC/C=C\CCCCCCCC(OCC(CC)CCCC)=O
CAS No: 26399-02-0
Chemical Name: 2-Ethylhexyl oleate
CBNumber: CB1919231
Molecular Formula: C26H50O2
Molecular Weight: 394.67
MDL Number: MFCD00072286
CAS Number: 26399-02-0
Chem/IUPAC Name: 2-Ethylhexyl oleate
EINECS/ELINCS No: 247-655-0
COSING REF No: 33889
Properties of 2-Ethylhexyl Oleate:
Physical state: Clear, colorless to pale yellow oily liquid
Chemical class: Fatty acid ester (oleate ester)
Molecular formula: C26H50O2
Molecular weight: ~394.7 g/mol
Odor: Mild, characteristic fatty odor
Density (20 °C): ~0.86–0.88 g/cm3
Viscosity: Low to moderate; provides good lubricity
Boiling point: High (decomposes before boiling)
Melting point: Below room temperature
Solubility: Insoluble in water; soluble in oils and nonpolar organic solvents
Volatility: Very low
Hydrophilicity: Lipophilic
Inchi Code: 1S/C26H50O2/c1-4-7-9-10-11-12-13-14-15-16-17-18-19-20-21-23-26(27)28-24-25(6-3)22-8-5-2/h14-15,25H,4-13,16-24H2,1-3H3/b15-14-
Inchi Key: FOKDITTZHHDEHD-PFONDFGASA-N
Molecular Weight: 394.7 g/mol
XLogP3-AA: 10.7
Hydrogen Bond Donor Count: 0
Hydrogen Bond Acceptor Count: 2
Rotatable Bond Count: 22
Exact Mass: 394.381080833 Da
Monoisotopic Mass: 394.381080833 Da
Topological Polar Surface Area: 26.3 Ų
Heavy Atom Count: 28
Complexity: 348
Isotope Atom Count: 0
Defined Atom Stereocenter Count: 0
Undefined Atom Stereocenter Count: 1
Defined Bond Stereocenter Count: 1
Undefined Bond Stereocenter Count: 0
Covalently-Bonded Unit Count: 1
Compound Is Canonicalized: Yes
Specifications of 2-Ethylhexyl Oleate:
Saponification Value: 135 - 145
Hydroxyl Value: 1.0 Max
Acid Value: 1.0 Max
Solubility: Insoluble
Moisture: 0.3% Max
Color: 5 Gard Max
Insolubility: in water
Molecular weight: 394.69
