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Decyl oleate is a clear, pale yellow to colorless oil with an extremely low odor profile, often described as virtually odorless. This ester exhibits exceptional spreadability and skin feel characteristics due to its balanced molecular structure combining the unsaturated oleyl moiety with the saturated decyl alcohol chain. The compound demonstrates Newtonian flow behavior with viscosity nearly independent of shear rate.
Physical Property Data:
Appearance: Clear, colorless to pale yellow oil
Odor: Virtually odorless, extremely mild characteristic
Density: 0.855-0.865 g/cm³ at 20°C
Viscosity: 15-25 mPa·s at 25°C (similar to light mineral oil)
Refractive Index: n²⁰/D = 1.452-1.456
Melting Point: <0°C (remains liquid below room temperature)
Flash Point: 210-220°C (COC)
Pour Point: -15 to -20°C
Acid Value: ≤1.0 mg KOH/g
Saponification Value: 130-140 mg KOH/g
Iodine Value: 65-75 (g I₂/100g)
Surface Tension: 30-32 mN/m at 20°C
Solubility:
Insoluble in water
Miscible with ethanol, isopropanol, mineral oil, IPM, IPP
Soluble in most organic solvents and vegetable oils
Chemical Behavior and Performance Characteristics:
Decyl oleate functions as an exceptional emollient and solvent due to its unique molecular architecture:
Skin Feel Profile:
Initial feel: Light, non-greasy spreading
Afterfeel: Dry, silky, non-occlusive
Absorption rate: Medium (penetrates without complete absorption)
Comedogenicity: Very low (rated 0-1 on comedogenic scale)
Stability Profile:
Oxidative stability: Moderate (contains one double bond susceptible to oxidation)
Hydrolytic stability: Good under normal conditions
Thermal stability: Stable to 200°C, decomposition >250°C
Compatibility: Excellent with other cosmetic ingredients
Emollient Properties:
Film formation: Creates continuous, breathable film on skin
Plasticization: Softens and plasticizes the stratum corneum
Solvent capacity: Excellent for lipid-soluble active ingredients
Spreading coefficient: High due to low surface tension
Industrial Applications:
Cosmetic and Personal Care Formulations:
Skin care: Lotions, creams, serums, body oils (typical use: 5-25%)
Sun care: Sunscreen carriers, after-sun products
Color cosmetics: Lipsticks, foundations, makeup removers
Hair care: Conditioners, hair oils, serums
Bath products: Bath oils, shower oils
Pharmaceutical Applications:
Topical formulations: Ointments, creams, gels
Transdermal systems: Solvent and penetration enhancer
Lipid nanoparticle systems: Oil phase component
Performance Advantages:
Superior sensory properties: Non-greasy, silky feel
Excellent spreadability: Better than mineral oil or silicone oils
Good solvency: For UV filters, fragrances, active ingredients
Enhanced delivery: Can improve penetration of actives
Stability: Good oxidative stability for an unsaturated ester
SAFETY INFORMATION ABOUT DECYL OLEATE
First aid measures:
Description of first aid measures:
General advice:
Consult a physician.
Show this safety data sheet to the doctor in attendance.
Move out of dangerous area:
If inhaled:
If breathed in, move person into fresh air.
If not breathing, give artificial respiration.
Consult a physician.
In case of skin contact:
Take off contaminated clothing and shoes immediately.
Wash off with soap and plenty of water.
Consult a physician.
In case of eye contact:
Rinse thoroughly with plenty of water for at least 15 minutes and consult a physician.
Continue rinsing eyes during transport to hospital.
If swallowed:
Do NOT induce vomiting.
Never give anything by mouth to an unconscious person.
Rinse mouth with water.
Consult a physician.
Firefighting measures:
Extinguishing media:
Suitable extinguishing media:
Use water spray, alcohol-resistant foam, dry chemical or carbon dioxide.
Special hazards arising from the substance or mixture
Carbon oxides, Nitrogen oxides (NOx), Hydrogen chloride gas
Advice for firefighters:
Wear self-contained breathing apparatus for firefighting if necessary.
Accidental release measures:
Personal precautions, protective equipment and emergency procedures
Use personal protective equipment.
Avoid breathing vapours, mist or gas.
Evacuate personnel to safe areas.
Environmental precautions:
Prevent further leakage or spillage if safe to do so.
Do not let product enter drains.
Discharge into the environment must be avoided.
Methods and materials for containment and cleaning up:
Soak up with inert absorbent material and dispose of as hazardous waste.
Keep in suitable, closed containers for disposal.
Handling and storage:
Precautions for safe handling:
Avoid inhalation of vapour or mist.
Conditions for safe storage, including any incompatibilities:
Keep container tightly closed in a dry and well-ventilated place.
Containers which are opened must be carefully resealed and kept upright to prevent leakage.
Storage class (TRGS 510): 8A: Combustible, corrosive hazardous materials
Exposure controls/personal protection:
Control parameters:
Components with workplace control parameters
Contains no substances with occupational exposure limit values.
Exposure controls:
Appropriate engineering controls:
Handle in accordance with good industrial hygiene and safety practice.
Wash hands before breaks and at the end of workday.
Personal protective equipment:
Eye/face protection:
Tightly fitting safety goggles.
Faceshield (8-inch minimum).
Use equipment for eye protection tested and approved under appropriate government standards such as NIOSH (US) or EN 166(EU).
Skin protection:
Handle with gloves.
Gloves must be inspected prior to use.
Use proper glove
removal technique (without touching glove's outer surface) to avoid skin contact with this product.
Dispose of contaminated gloves after use in accordance with applicable laws and good laboratory practices.
Wash and dry hands.
Full contact:
Material: Nitrile rubber
Minimum layer thickness: 0.11 mm
Break through time: 480 min
Material tested:Dermatril (KCL 740 / Aldrich Z677272, Size M)
Splash contact
Material: Nitrile rubber
Minimum layer thickness: 0.11 mm
Break through time: 480 min
Material tested:Dermatril (KCL 740 / Aldrich Z677272, Size M)
It should not be construed as offering an approval for any specific use scenario.
Body Protection:
Complete suit protecting against chemicals, The type of protective equipment must be selected according to the concentration and amount of the dangerous substance at the specific workplace.
Respiratory protection:
Where risk assessment shows air-purifying respirators are appropriate use a fullface respirator with multi-purpose combination (US) or type ABEK (EN 14387) respirator cartridges as a backup to engineering controls.
If the respirator is the sole means of protection, use a full-face supplied air respirator.
Use respirators and components tested and approved under appropriate government standards such as NIOSH (US) or CEN (EU).
Control of environmental exposure
Prevent further leakage or spillage if safe to do so.
Do not let product enter drains.
Discharge into the environment must be avoided.
Stability and reactivity:
Chemical stability:
Stable under recommended storage conditions.
Incompatible materials:
Strong oxidizing agents:
Hazardous decomposition products:
Hazardous decomposition products formed under fire conditions.
Carbon oxides, Nitrogen oxides (NOx), Hydrogen chloride gas.
Disposal considerations:
Waste treatment methods:
Product:
Offer surplus and non-recyclable solutions to a licensed disposal company.
Contact a licensed professional waste disposal service to dispose of this material.
Contaminated packaging:
Dispose of as unused product
