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D5 Cyclomethicone is a volatile, clear, and odorless silicone-based cyclic compound widely used in personal care and cosmetic formulations.
D5 Cyclomethicone, also known as decamethylcyclopentasiloxane, is valued for its lightweight feel, rapid evaporation, and excellent spreading properties.
This versatile ingredient is a popular choice for enhancing the texture, spreadability, and absorption of skincare, haircare, and cosmetic products.
CAS Number: 541-02-6
EC Number: 208-764-9
Molecular Formula: C10H30O5Si5
Molecular Weight: 370.77 g/mol
Synonyms: D5 Cyclomethicone, Decamethylcyclopentasiloxane, Cyclopentasiloxane, Cyclomethicone D5, D5 Silicone, D5 Siloxane, Silicone Fluid D5, Decamethylpentacyclosiloxane, Volatile Silicone D5, D5 Cosmetic Silicone, Lightweight Silicone D5, D5 Silicone Carrier, D5 Silicone Emollient, Decamethylsiloxane, D5 Personal Care Silicone, D5 Evaporative Silicone, D5 Silicone Solvent, D5 Silicone Intermediate, Decamethylcyclosiloxane
APPLICATIONS
D5 Cyclomethicone is extensively used in skincare products, such as moisturizers and serums, to enhance spreadability and deliver a silky feel.
D5 Cyclomethicone is included in sunscreens and lotions for its non-greasy finish and rapid evaporation.
D5 Cyclomethicone is applied in anti-aging formulations, promoting smooth application and improved product performance.
D5 Cyclomethicone is found in hair care products, including conditioners and styling aids, to improve detangling and add shine without weighing down the hair.
D5 Cyclomethicone is employed in deodorants and antiperspirants for its ability to dry quickly and provide a pleasant texture.
D5 Cyclomethicone is used in makeup products, such as primers and foundations, to enhance blending and create a smooth base.
D5 Cyclomethicone is incorporated into body oils and massage products for its lubricating properties and lightweight feel.
D5 Cyclomethicone is utilized in color cosmetics, such as lipsticks and eyeshadows, to improve application and provide a long-lasting effect.
D5 Cyclomethicone is a key ingredient in shaving products, delivering a smooth glide and reducing irritation.
D5 Cyclomethicone is employed in industrial applications, such as coatings and polishes, for its excellent spreading and evaporation characteristics.
D5 Cyclomethicone is found in textile treatments, enhancing softness and water repellency.
D5 Cyclomethicone is used as a carrier for active ingredients in formulations, ensuring even distribution and efficient delivery.
D5 Cyclomethicone is widely used in skincare products for its lightweight and silky feel on the skin.
D5 Cyclomethicone is included in hair care formulations to enhance shine and reduce frizz.
D5 Cyclomethicone is a key ingredient in antiperspirants and deodorants for its quick-drying and non-greasy properties.
D5 Cyclomethicone is employed in makeup primers to create a smooth base for foundation application.
D5 Cyclomethicone is utilized in sunscreens to improve spreadability and enhance the sensory feel.
D5 Cyclomethicone is applied in facial serums to provide a velvety texture and quick absorption.
D5 Cyclomethicone is found in body lotions and creams to deliver a soft, non-tacky finish.
D5 Cyclomethicone is used in styling products such as hair sprays and mousses for improved distribution and lightweight hold.
D5 Cyclomethicone is incorporated into foundations and concealers for a seamless application.
D5 Cyclomethicone is included in lipsticks and lip balms to ensure smooth glide and uniform coverage.
D5 Cyclomethicone is employed in bath oils for its ability to create a luxurious and non-greasy feel.
D5 Cyclomethicone is featured in anti-aging creams for its ability to enhance product spreadability without clogging pores.
D5 Cyclomethicone is used in massage oils to provide a silky texture that enhances glide and ease of use.
D5 Cyclomethicone is applied in heat protection sprays for hair to improve the performance of the product.
D5 Cyclomethicone is incorporated into shaving creams and gels for a smooth, irritation-free experience.
D5 Cyclomethicone is utilized in temporary tattoo applications to improve the adhesion of designs.
D5 Cyclomethicone is employed in waterproof makeup formulations for its ability to improve product longevity.
D5 Cyclomethicone is added to fragrance products such as perfumes and body sprays for better dispersion.
D5 Cyclomethicone is included in acne treatment products for its non-comedogenic and lightweight properties.
D5 Cyclomethicone is used in hand creams for a smooth, non-oily finish.
D5 Cyclomethicone is incorporated into hair serums to protect against humidity and environmental damage.
D5 Cyclomethicone is featured in exfoliating products to enhance product spreadability during use.
D5 Cyclomethicone is employed in baby care products for its mild and skin-friendly properties.
D5 Cyclomethicone is applied in scar treatment products to improve texture and consistency.
D5 Cyclomethicone is used in color cosmetics such as eyeshadows and blushes for a soft, blendable finish.
D5 Cyclomethicone is included in personal lubricants for its silky texture and non-sticky feel.
D5 Cyclomethicone is utilized in nail care products to improve the application of polishes and treatments.
D5 Cyclomethicone is employed in anti-dandruff shampoos for better ingredient distribution and sensory appeal.
D5 Cyclomethicone is found in self-tanning products for improved application and streak-free results.
D5 Cyclomethicone is used in stretch mark creams to enhance product absorption and smooth application.
DESCRIPTION
D5 Cyclomethicone is a cyclic silicone compound belonging to the class of siloxanes, known for its volatility and low surface tension.
This clear, odorless liquid evaporates rapidly without leaving a residue, making it ideal for lightweight and non-greasy formulations.
D5 Cyclomethicone is highly compatible with a wide range of oils, actives, and polymers, allowing for flexibility in product design.
D5 Cyclomethicone enhances the sensory properties of personal care and cosmetic products, providing a soft, silky, and luxurious feel.
Its stability, non-reactivity, and environmental profile make D5 Cyclomethicone a preferred choice in both consumer and industrial applications.
PROPERTIES
Chemical Formula: C10H30O5Si5
Molecular Weight: 370.77 g/mol
Common Name: D5 Cyclomethicone
Appearance: Clear, colorless liquid
Density: Approx. 0.95 g/cm³ at 25°C
Boiling Point: Approx. 210°C
Melting Point: Not applicable (liquid at room temperature)
Solubility: Insoluble in water; soluble in most organic solvents
Flash Point: Approx. 76°C (closed cup)
Reactivity: Stable under normal conditions; avoid strong oxidizing agents
Chemical Stability: Stable in recommended storage conditions
Storage Temperature: Store below 40°C in a dry, ventilated area
Vapor Pressure: Approx. 0.13 mmHg at 20°C
FIRST AID
Inhalation:
If vapors or aerosols of D5 Cyclomethicone 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 with soap and water.
If irritation develops, seek medical attention.
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 D5 Cyclomethicone is ingested, rinse the mouth thoroughly with water.
Do not induce vomiting unless instructed by medical personnel.
Seek immediate medical attention if discomfort persists.
If 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, safety goggles, and protective clothing, when handling D5 Cyclomethicone.
Use in a well-ventilated area to avoid inhalation of vapors or aerosols.
Ventilation:
Ensure adequate ventilation during handling to minimize exposure to airborne concentrations.
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.
Absorb with inert material (e.g., sand, vermiculite) and collect for disposal.
Dispose of according to local regulations.
Storage:
Store in a cool, dry, well-ventilated area away from direct sunlight and heat sources.
Keep containers tightly closed when not in use.
Protect from contamination and evaporation.
Handling Cautions:
Avoid exposure to strong oxidizing agents.
Ensure storage containers are clean and compatible with the material.
