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Isooctadecanoic Acid is a branched long-chain fatty acid commonly used in personal care, cosmetics, and industrial applications as an emollient, lubricant, and stabilizer.
Isooctadecanoic Acid is valued for its ability to provide a smooth, non-greasy feel in skincare products and to enhance the texture and consistency of various formulations.
In addition to its moisturizing properties, Isooctadecanoic Acid is known for its role in stabilizing emulsions and improving the spreadability of active ingredients in formulations.
CAS Number: 30399-84-9
EC Number: 250-187-1
Molecular Formula: C18H36O2
Molecular Weight: 284.48 g/mol
Synonyms: Isooctadecanoic Acid, Iso-Stearic Acid, Isostearic Acid, 18-Methylheptadecanoic Acid, Branched C18 Fatty Acid, C18 Branched Fatty Acid, 2-Hexyl-Octadecanoic Acid, Stearic Acid, Iso-Octadecenoic Acid, Isooctadecanoic Fatty Acid, Isostearic Acid Emollient, Cosmetic Grade Isostearic Acid, Isomeric Stearic Acid, C18 Iso Fatty Acid, Octadecane Isomer Acid, Isostearic Acid Emulsifier, Stearic Acid Isomer, ISO-C18 Fatty Acid, 18-Carbon Branched Fatty Acid, Isomer Stearic Acid, 2-Methyl Heptadecanoic Acid, ISO Stearic Acid, Emollient Fatty Acid, Isostearic Acid for Personal Care, Industrial Grade Isostearic Acid
APPLICATIONS
Isooctadecanoic Acid is widely used in skincare products, such as moisturizers and lotions, where it provides a soft, non-greasy feel and enhances skin hydration.
Isooctadecanoic Acid is included in sunscreens and after-sun products, where it helps stabilize emulsions and ensures a smooth application on the skin.
Isooctadecanoic Acid is an ingredient in body creams and butters, where it improves spreadability, providing a luxurious texture and enhancing user experience.
Isooctadecanoic Acid is used in hair care products, such as conditioners and serums, where it provides smoothness and shine, making hair more manageable and frizz-free.
Isooctadecanoic Acid is applied in hair styling creams and sprays, where it offers flexible hold and prevents hair from becoming stiff or dry.
Isooctadecanoic Acid is incorporated into leave-in treatments, where it enhances conditioning and provides long-lasting softness.
Isooctadecanoic Acid is used in lip balms and lipsticks, where it imparts a creamy texture, making the product glide smoothly and feel pleasant on the lips.
Isooctadecanoic Acid is a common component in foundations and face powders, where it improves texture and provides a matte, velvety finish.
Isooctadecanoic Acid is utilized in eye shadows and blushes, enhancing product spread and creating a smooth, even finish on the skin.
Isooctadecanoic Acid is found in household and industrial lubricants, where it reduces friction and wear, extending the life of machinery and equipment.
Isooctadecanoic Acid is used in metalworking fluids, where it provides lubrication and prevents rust, improving overall processing efficiency.
Isooctadecanoic Acid is incorporated into coatings and sealants, where it enhances adhesion and provides a smooth, durable finish.
Isooctadecanoic Acid is essential in agricultural formulations as an adjuvant, improving the spreadability and adherence of pesticides and herbicides on plant surfaces.
Isooctadecanoic Acid is applied in textile processing, where it softens fibers, improving fabric feel and quality in finished garments.
Isooctadecanoic Acid is included in adhesives and sealants, where it provides flexibility and improves bonding strength across different surfaces.
Isooctadecanoic Acid is found in candle formulations, where it improves the burn rate and provides a smooth, uniform appearance to the candle surface.
Isooctadecanoic Acid is used in polishes and surface treatments, providing a smooth application and adding a layer of shine and protection to treated surfaces.
Isooctadecanoic Acid is incorporated into car wax and polishes, where it helps achieve a glossy finish and protects surfaces from environmental wear.
DESCRIPTION
Isooctadecanoic Acid, also known as Isostearic Acid, is a branched fatty acid known for its emollient, stabilizing, and lubricating properties, making it widely used in cosmetics, personal care, and industrial products.
Isooctadecanoic Acid is appreciated for its ability to provide a smooth, non-greasy feel in personal care products, enhancing texture and user experience.
In industrial applications, Isooctadecanoic Acid is valued for its stable structure and effective lubricating properties, reducing friction and wear in machinery.
Isooctadecanoic Acid is biodegradable and derived from natural sources, aligning with sustainability-focused products in both consumer and industrial applications.
The branched structure of Isooctadecanoic Acid provides unique properties compared to straight-chain fatty acids, including enhanced spreadability and improved skin compatibility.
Due to its stability and mildness, Isooctadecanoic Acid is suitable for use in products formulated for sensitive skin and delicate applications.
PROPERTIES
Chemical Formula: C18H36O2
Molecular Weight: 284.48 g/mol
Common Name: Isooctadecanoic Acid
Appearance: Colorless to pale yellow liquid
Density: Approx. 0.85 g/cm³
Boiling Point: >300°C
Melting Point: -4°C
Solubility: Insoluble in water; soluble in oils and organic solvents
Flash Point: >200°C
Reactivity: Stable under normal conditions; avoid strong oxidizing agents
Chemical Stability: Stable under recommended storage conditions
Storage Temperature: Store in a cool, dry place away from direct sunlight
Vapor Pressure: Low
FIRST AID
Inhalation:
If Isooctadecanoic Acid vapors or fumes are inhaled, move the affected person to fresh air immediately.
If breathing difficulties persist, seek immediate medical attention.
If the person is not breathing, administer artificial respiration.
Keep the affected person warm and at rest.
Skin Contact:
Wash the affected area with soap and water.
If skin irritation or rash develops, seek medical attention.
Eye Contact:
In case of eye contact, flush the eyes with plenty of water for at least 15 minutes, lifting upper and lower eyelids.
Seek immediate medical attention if irritation or redness persists.
Remove contact lenses if present and easy to do; continue rinsing.
Ingestion:
If Isooctadecanoic Acid is ingested, do not induce vomiting unless directed to do so by medical personnel.
Rinse the mouth thoroughly with water.
Seek immediate medical attention.
If the person is conscious, give small sips of water to drink.
Note to Physicians:
Treat symptomatically.
No specific antidote.
Provide supportive care.
HANDLING AND STORAGE
Handling:
Personal Protection:
Wear appropriate personal protective equipment (PPE) such as gloves and safety goggles when handling large quantities of Isooctadecanoic Acid.
Use in a well-ventilated area to avoid inhalation of vapors or fumes.
Ventilation:
Ensure adequate ventilation when handling Isooctadecanoic Acid to control airborne concentrations below occupational exposure limits.
Avoidance:
Avoid direct contact with eyes and prolonged skin contact.
Do not eat, drink, or smoke while handling Isooctadecanoic Acid.
Wash hands thoroughly after handling.
Spill and Leak Procedures:
Contain spills to prevent further release and minimize exposure.
Absorb with inert material (e.g., sand, vermiculite) and collect for disposal.
Dispose of in accordance with local regulations.
Storage:
Store Isooctadecanoic Acid in a cool, dry, well-ventilated area away from incompatible materials such as strong oxidizers.
Keep containers tightly closed when not in use to prevent contamination.
Store away from heat sources, direct sunlight, and moisture.
Handling Cautions:
Avoid inhalation of vapors and direct contact with skin and eyes.
Use explosion-proof equipment in areas where vapors may be present.
