TRIDECYL STEARATE

Tridecyl Stearate is an ester compound formed from tridecyl alcohol and stearic acid. 
It is commonly used as an emollient, lubricant, or conditioning agent in cosmetics and industrial formulations due to its smooth, oily texture and hydrophobic characteristics.
CAS No.: 93803-87-3
Synonyms
Stearic acid tridecyl ester,Octadecanoic acid, tridecyl ester,Tridecyl octadecanoate
Tridecyl stearate ester,C13 stearyl ester,Stearic acid, C13 alkyl ester

Introduction
Overview of esters in chemistry
Historical background and development of fatty esters
General role and classification of alkyl stearates
Introduction to Tridecyl Stearate: definition, structure, and usage categories
Importance of Tridecyl Stearate in modern industries

Chemical Identity and Structure
IUPAC name: Tridecyl octadecanoate
Molecular formula: C31H62O2
Molecular weight: 466.83 g/mol
CAS Number: 93803-87-3
Structural formula and molecular geometry
Functional groups and chemical bonding
Isomerism and stereochemistry

Physical and Chemical Properties
Appearance: clear, oily liquid
Odor, color, and texture
Melting and boiling points
Density and viscosity (at various temperatures)
Solubility: in water, alcohol, oils, organic solvents
Flash point and autoignition temperature
Refractive index and surface tension
pH behavior in emulsions

Synthesis and Production Methods
Raw materials: stearic acid and tridecanol
Esterification reaction mechanism:
Acid-catalyzed esterification
Enzymatic synthesis
Solvent-free synthesis pathways
Reaction parameters (temperature, pressure, catalysts)
Yield optimization techniques
Post-reaction purification processes (distillation, crystallization)
Environmental considerations during production

Applications
a. Industrial Applications
Use as a lubricating agent and slip agent
Plastic and rubber processing
Emollient in plasticizers

b. Cosmetic and Personal Care
Emollient and skin-conditioning agent in lotions and creams
Role in makeup products (lipsticks, foundations)
Sunscreen and anti-aging products

c. Lubricants and Greases
Synthetic base fluid or additive in automotive and industrial lubricants
High-temperature lubrication properties
d. Other Uses
Potential in pharmaceuticals and veterinary products
Role in biodegradable formulations
Use in textiles and coatings

Formulation and Compatibility
Compatibility with oils, silicones, surfactants, emulsifiers
Behavior in O/W and W/O emulsions
Interaction with active pharmaceutical and cosmetic ingredients
Synergistic effects with other fatty esters and alkanes
Guidelines for blending and incorporation in formulations

Stability and Storage Conditions
Thermal stability range and decomposition point
Hydrolytic stability and resistance to oxidation
Shelf life under various storage conditions
Recommended storage parameters (temperature, containers)
Effect of pH, UV exposure, and oxygen on long-term stability

Analytical Methods of Characterization
Gas chromatography (GC) and GC-MS
Fourier-transform infrared spectroscopy (FTIR)
Nuclear Magnetic Resonance (NMR) spectroscopy
High-performance liquid chromatography (HPLC)
Mass spectrometry (MS)
Differential Scanning Calorimetry (DSC) and Thermogravimetric Analysis (TGA)

Environmental Impact and Biodegradability
Biodegradation pathways and half-life in various environments
Impact on aquatic ecosystems
Bioaccumulation potential
Eco-toxicological data (algae, daphnia, fish toxicity)
Waste management strategies and disposal guidelines
Green chemistry perspective and sustainability ranking

Regulatory and Safety Guidelines
REACH registration and compliance
U.S. FDA regulations (cosmetic, food-contact uses)
EU Cosmetic Regulation (EC) No 1223/2009
Globally Harmonized System (GHS) classification
Labeling requirements and safety datasheet standards
Transport and handling codes (ADR, IMDG, IATA)

Comparative Analysis with Similar Esters
Comparison with other stearates: isodecyl stearate, cetyl stearate
Physical property and performance differences
Price-performance ratios
Market availability and commercial brands
Synthetic vs. natural derivatives

Recent Research and Innovations
Novel synthesis techniques (e.g., biocatalysis, green solvents)
Formulation advances in dermatology and pharmaceutics
Applications in biodegradable and sustainable packaging
Research on enhanced skin penetration and delivery systems
Study of oxidative resistance and UV-protective properties

Future Prospects
Market trends and demand forecast
Potential for replacing petroleum-based ingredients
Innovations in renewable feedstock production
Applications in green chemistry and circular economy
Opportunities in nanotechnology and drug delivery systems
Integration into regulatory frameworks for safer cosmetics

SAFETY INFORMATION ABOUT TRIDECYL STEARATE

 
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