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C18 Stearic Acid is a long-chain saturated fatty acid naturally found in animal fats, vegetable oils, and dairy products, widely used in cosmetics, pharmaceuticals, food, and industrial applications.
C18 Stearic Acid is valued for its emollient, thickening, and stabilizing properties, making it an essential ingredient in soaps, skincare, lubricants, and candles.
C18 Stearic Acid is also used as a surfactant, emulsifier, and release agent in various formulations.
CAS Number: 57-11-4
EC Number: 200-313-4
Molecular Formula: C18H36O2
Molecular Weight: 284.48 g/mol
Synonyms: C18 Stearic Acid, Stearic Acid, n-Octadecanoic Acid, Octadecanoic Acid, n-Stearic Acid, Cetylacetic Acid, Stearate, C18 Fatty Acid, Stearic Acid for Cosmetics, Stearic Acid for Pharmaceuticals, Stearic Acid for Food Applications, Stearic Acid for Industrial Uses, Stearic Acid Emulsifier, Stearic Acid Lubricant, Stearic Acid Thickener, Stearic Acid for Soaps
APPLICATIONS
C18 Stearic Acid is widely used in skincare products such as creams, lotions, and body butters for its emollient and thickening properties.
C18 Stearic Acid is included in facial cleansers and moisturizers to improve texture and stability.
C18 Stearic Acid is found in shaving creams and body washes for its ability to enhance foam and spreadability.
C18 Stearic Acid is employed in cosmetics as a structuring agent in foundations, mascaras, and lipsticks.
C18 Stearic Acid is used in sunscreens and anti-aging products to provide a smooth, non-greasy feel.
C18 Stearic Acid is applied in solid deodorants and balms to improve hardness and longevity.
C18 Stearic Acid is incorporated into soaps and detergents for its cleansing, emulsifying, and foaming properties.
C18 Stearic Acid is used in sulfate-free surfactants for its mildness and skin-friendly characteristics.
C18 Stearic Acid is found in baby care products such as wipes and creams for its conditioning effects.
C18 Stearic Acid is utilized in food processing as an emulsifier and stabilizer.
C18 Stearic Acid is included in confectionery, dairy products, and baked goods to improve consistency and shelf life.
C18 Stearic Acid is applied in food-grade coatings and release agents.
C18 Stearic Acid is used in pharmaceutical formulations as an excipient in tablets and capsules.
C18 Stearic Acid is found in medicinal creams and ointments as a stabilizer and thickener.
C18 Stearic Acid is incorporated into controlled-release drug delivery systems.
C18 Stearic Acid is employed in industrial applications such as lubricants, greases, and mold release agents.
C18 Stearic Acid is used in biodegradable coatings and wax blends for eco-friendly products.
C18 Stearic Acid is applied in rubber processing to improve elasticity and reduce sticking.
C18 Stearic Acid is included in candle production for hardness and improved burning properties.
C18 Stearic Acid is used in plastic manufacturing to act as a lubricant and anti-static agent.
C18 Stearic Acid is incorporated into textiles and paper coatings to improve water resistance and smoothness.
C18 Stearic Acid is widely used in the production of soaps, where it serves as a surfactant and emulsifying agent, helping to remove dirt and oils while producing a rich, creamy lather.
C18 Stearic Acid is employed in the cosmetics industry, where it is used in the formulation of creams, lotions, and moisturizers to improve texture, stability, and provide a smooth, non-greasy finish.
C18 Stearic Acid is used in the manufacture of candles, where it enhances the wax’s texture, improving its hardness, stability, and burn quality.
C18 Stearic Acid is used as an emulsifying agent in food products, such as margarine, butter, and other processed foods, to improve consistency and prevent separation.
C18 Stearic Acid is applied in the production of lubricants and greases, where it acts as a thickener and helps enhance the product’s stability and performance in high-pressure conditions.
C18 Stearic Acid is used in the production of biodiesel, where it contributes to the creation of fatty acid methyl esters (FAMEs), providing a renewable energy source.
C18 Stearic Acid is employed in the formulation of pharmaceutical products, such as ointments, creams, and tablets, to stabilize active ingredients and improve texture and consistency.
C18 Stearic Acid is used in the production of surfactants for industrial cleaning products, helping to break down oils, grease, and dirt while maintaining effective cleaning performance.
C18 Stearic Acid is used in the formulation of hair care products, such as conditioners and styling creams, where it helps improve hair texture, manageability, and shine.
C18 Stearic Acid is employed in the textile industry, where it acts as a softener and lubricant, improving the texture of fabrics and reducing friction during processing.
C18 Stearic Acid is used in the manufacture of non-stick coatings for cookware, where it helps improve the durability and performance of the coating.
C18 Stearic Acid is included in the production of emollients for skin care products, where it helps moisturize and soften the skin, providing a smooth, silky feel.
C18 Stearic Acid is used in the production of industrial waxes, where it improves the texture, stability, and hardness of the wax, making it suitable for various applications.
C18 Stearic Acid is applied in the formulation of deodorants and antiperspirants, where it helps to solidify the product and improve its texture and application properties.
C18 Stearic Acid is used in the production of plasticizers, helping to improve the flexibility, durability, and processing properties of plastics.
C18 Stearic Acid is employed in the formulation of specialty surfactants for agricultural chemicals, such as herbicides and fungicides, to improve the dispersion and stability of active ingredients.
C18 Stearic Acid is used in the production of specialty foams, where it helps to improve foam stability and performance in products like shaving creams and facial cleansers.
C18 Stearic Acid is used in the production of specialty resins and coatings, where it helps enhance the durability, resistance to wear, and finish of the final product.
C18 Stearic Acid is employed in the formulation of bath products, such as bath oils and salts, where it helps improve the texture and application of the product.
C18 Stearic Acid is used in the manufacture of paper products, where it helps improve the texture, durability, and water resistance of the paper.
C18 Stearic Acid is used in the production of rubber products, where it serves as a processing aid, improving the flexibility and workability of the material.
C18 Stearic Acid is applied in the formulation of specialty adhesives, where it helps improve the bonding strength and performance of the adhesive.
C18 Stearic Acid is used in the development of biodegradable plastics, contributing to improved material properties while maintaining environmental sustainability.
C18 Stearic Acid is used in the production of non-toxic, biodegradable cleaning agents, offering a gentle yet effective cleaning solution in various industrial and household cleaning applications.
C18 Stearic Acid is employed in the formulation of anti-aging products, where it helps to moisturize and soften the skin while contributing to the emulsion's stability and texture.
DESCRIPTION
C18 Stearic Acid is a white, waxy solid or crystalline powder with a mild fatty odor.
This long-chain fatty acid is naturally occurring in animal fats, cocoa butter, shea butter, and palm oil.
C18 Stearic Acid is known for its excellent emulsifying and thickening properties, making it a staple in cosmetics, pharmaceuticals, and industrial applications.
C18 Stearic Acid is insoluble in water but highly soluble in alcohols, oils, and organic solvents.
This compound provides stability and structure to formulations, preventing separation and improving consistency.
C18 Stearic Acid is widely used as a precursor in the synthesis of stearates, surfactants, and waxes.
C18 Stearic Acid is an essential fatty acid in biological systems, playing a role in lipid metabolism and cellular function.
This fatty acid is recognized for its skin-conditioning properties, making it ideal for hydrating and protective formulations.
C18 Stearic Acid is commonly utilized in sustainable and biodegradable product formulations.
C18 Stearic Acid, also known as octadecanoic acid, is a saturated fatty acid with the chemical formula C18H36O2, commonly derived from animal fats and vegetable oils such as palm oil and coconut oil.
C18 Stearic Acid is a white, waxy solid at room temperature with a mild, fatty odor, and it is soluble in organic solvents but insoluble in water.
C18 Stearic Acid is widely used in the production of soaps and detergents, where it helps to emulsify oils, improve foam quality, and enhance cleaning performance.
C18 Stearic Acid is a versatile ingredient used in the formulation of personal care products, including creams, lotions, shampoos, and deodorants, where it helps improve texture, consistency, and emulsification.
C18 Stearic Acid is used in the production of biodiesel, where it is converted into fatty acid methyl esters (FAMEs) for use as a renewable energy source.
PROPERTIES
Chemical Formula: C18H36O2
Molecular Weight: 284.48 g/mol
Common Name: C18 Stearic Acid
Appearance: White crystalline solid or waxy powder
Odor: Mild fatty odor
Density: Approx. 0.85 g/cm³ (at 25°C)
Melting Point: 69–70°C
Boiling Point: 383°C
Solubility: Insoluble in water; highly soluble in alcohol, oils, and organic solvents
pH: Weakly acidic
Reactivity: Reacts with strong bases and oxidizing agents
Chemical Stability: Stable under normal storage conditions
Storage Temperature: Store at 10–30°C in a sealed container
FIRST AID
Inhalation:
If C18 Stearic Acid dust or vapors are inhaled, move the affected person to fresh air immediately.
If breathing difficulties persist, seek 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 thoroughly with soap and water.
If skin irritation or rash develops, seek medical attention.
Remove contaminated clothing and wash before reuse.
Eye Contact:
Flush 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 C18 Stearic Acid is ingested in large amounts, rinse the mouth thoroughly with water.
Seek medical attention if discomfort or symptoms persist.
If the person is conscious, give small sips of water to drink.
Note to Physicians:
Treat symptomatically.
No specific antidote is required.
Provide supportive care as needed.
HANDLING AND STORAGE
Handling:
Personal Protection:
Wear appropriate personal protective equipment (PPE), such as gloves, safety goggles, and protective clothing, when handling C18 Stearic Acid.
Avoid inhaling dust or mist during processing.
Ventilation:
Ensure proper ventilation to minimize exposure to airborne particles.
Use local exhaust systems if necessary.
Avoidance:
Avoid direct contact with eyes, skin, and clothing.
Do not eat, drink, or smoke while handling.
Wash hands thoroughly after handling.
Spill and Leak Procedures:
Contain spills to prevent further release.
Use inert absorbent materials (e.g., sand, vermiculite) to collect spilled material.
Dispose of waste according to local regulations.
Storage:
Store in a cool, dry, well-ventilated area away from heat, moisture, and incompatible materials.
Keep containers tightly closed and properly labeled.
Protect from direct sunlight and air exposure to maintain product integrity.
Handling Cautions:
Avoid prolonged exposure to air and moisture to maintain product stability.
Ensure containers are sealed properly to prevent contamination.
