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Dimethicone 100 Silicone Oil acts as a skin protectant, moisturizer, and emollient, providing a smooth and soft feel to lotions, creams, and hair care products.
Dimethicone 100 Silicone Oil is also utilized as a conditioning agent in shampoos, as well as a lubricant in medical devices and industrial processes.
Dimethicone 100 Silicone Oil can also be used in textile, leather, plastic processing and other industries, as a softening agent, water repellent or release agent.
CAS Number: 63148-62-9
EC Number: 203-497-4 / 613-156-5 / 618-433-4
MDL Number: MFCD00132673
Chemical Structure (polymeric representation): (CH₃)₃Si–O–[Si(CH₃)₂–O]ₙ–Si(CH₃)₃
Repeat Unit (for reference only): –[Si(CH₃)₂–O]–
Molecular Formula: (CH₃)₃SiO(Si(CH₃)₂O)n
Molecular Weight: 74.15 g/mol
SYNONYMS:
Dimethicone Dimethyl Silicone Fluid Dimethyl Silicone Fluid 100 cSt, Dow Corning 200 Fluid 100 CST, Polydimethylsiloxane, Silicone Fluid DM 200/100 CST, T/N: TBF 9-100, Silicone Oil, Siloxanesand Silicones, di-Me, Polydimethylsiloxane, PDMS, Dimethyl Fluid, Methylpolysiloxane, Methyl Silicone Oil, Silicone Fluid, Dimethicone, Polidimetilsiloxano, Dimethylpolysiloxane, PDMS, Silicone oil, Dimethicone, Dimethicone 100 cSt, Polydimethylsiloxane (PDMS) ~100 cSt, Dimethyl-polysiloxane, Dimethylpolysiloxane, Silicone fluid 100 cSt, INCI name “Dimethicone”, Dimethicone 100, Silicone oil of ~100 viscosity grade, Dimethicone, Dimethyl Silicone Fluid, Dimethyl Silicone Fluid 100 cSt, Dow Corning 200 Fluid 100 CST, Polydimethylsiloxane, Silicone Oil 200 cSt, Dimethicone, Polydimethylsiloxane, PDMS, Silicone Oil, Silicone Fluid 100 cSt, Dimethylpolysiloxane, Trimethylsiloxy-terminated polydimethylsiloxane, Dimethicone, Polydimethylsiloxane, PDMS, Dimethylpolysiloxane, Silicone Oil, Dimethyl Silicone Oil, Silicone Fluid, E900
Dimethicone 100 Silicone Oil is any liquid polymerized siloxane with organic side chains.
The most important member is polydimethylsiloxane.
These polymers are of their relatively high thermal stability and their lubricating properties.
Dimethicone 100 Silicone Oil (also known as dimethicone 100 cst) is a low-viscosity linear dimethicone with colorless transparent appearance.
Dimethicone 100 Silicone Oil can provide clear and non-greasy feel, free of skin irritation.
Dimethicone 100 Silicone Oil is an low odor silicone commonly utilized in cosmetic and personal care formulations.
Dimethicone 100 Silicone Oil's smooth texture enhances product application, providing a silky feel on the skin and hair.
Dimethicone 100 Silicone Oil refers to a grade of silicone fluid with a nominal kinematic viscosity of 100 centistokes (cSt) at 25 °C.
Dimethicone 100 Silicone Oil is a silicone polymer belonging to the polydimethylsiloxane (PDMS) family.
Dimethicone 100 Silicone Oil is widely used across industries owing to their chemical inertness, thermal stability, hydrophobicity, low surface tension, and versatility.
Dimethicone 100 Silicone Oil appears as clear, colorless, odorless liquids that are non-volatile and chemically stable under normal conditions.
Dimethicone 100 Silicone Oil is a versatile silicone-based polymer widely used in various industries, particularly in personal care and cosmetic products.
This clear, inert substance consists of repeating units of siloxane, giving Dimethicone 100 Silicone Oil unique properties that make it invaluable in multiple applications.
Dimethicone 100 Silicone Oil is a high purity, non-volatile silicone oil, tested according to and compliant with Ph.Eur and USP-NF Dimethicone monograph.
Dimethicone 100 Silicone Oil is generally regarded as a safe and non-irritant material and suitable for use in a wide range of pharmaceutical formulations.
Dimethicone 100 Silicone Oil is a mid-weight, cosmetic-grade silicone fluid used to enhance skin feel, reduce tackiness, and create a smooth, silky texture in creams, serums, and haircare products.
With a viscosity of 100 centistokes, Dimethicone 100 Silicone Oil offers excellent spreadability without feeling heavy or greasy, making it ideal for face, body, and hair formulations.
Dimethicone 100 Silicone Oil is a low-viscosity linear dimethicone with colorless transparent appearance.
Dimethicone 100 Silicone Oil can provide clear and non-greasy feel, free of skin irritation.
Dimethicone 100 Silicone Oil is an low odor silicone commonly utilized in cosmetic and personal care formulations.
Dimethicone 100 Silicone Oil's smooth texture enhances product application, providing a silky feel on the skin and hair.
Known for its moisturizing properties, Dimethicone 100 Silicone Oil is ideal for improving the overall performance of various beauty products.
Dimethicone 100 Silicone Oil is a linear polydimethicone fluid that has a colorless and transparent appearance and a linear polymethicone chemical composition.
Dimethicone 100 Silicone Oil is a linear polydimethicone fluid that has a colorless and transparent appearance and a linear polymethicone chemical composition.
In the market, especially in cosmetic and industrial applications, the viscosity of Dimethicone 100 Silicone Oil is often classified in centistokes (cst), where 100 cst represents its specific viscosity range.
Dimethicone 100 Silicone Oil is a versatile compound widely used in various industries.
Dimethicone 100 Silicone Oil is a clear, odorless liquid with a silky-smooth texture.
Dimethicone 100 Silicone Oil is valued for its exceptional lubricating and water-repellent properties.
Dimethicone 100 Silicone Oil finds extensive application in personal care products, cosmetics, and pharmaceuticals.
Dimethicone 100 Silicone Oil is a member of the linear polydimethylsiloxane (PDMS) family and represents a medium-viscosity silicone fluid widely used in both consumer and industrial formulations.
Unlike low-molecular volatile silicones, Dimethicone 100 Silicone Oil is essentially non-volatile, which makes it suitable for applications where long-lasting performance, surface persistence, and stability are required.
Dimethicone 100 Silicone Oil is also valued for its compatibility profile.
Dimethicone 100 Silicone Oil is generally compatible with many non-polar oils, waxes, and polymers, while remaining immiscible with water.
This selective compatibility allows formulators to control phase behavior and rheology in emulsions and blends.
In defoaming and antifoaming applications, the low surface tension of dimethicone enables Dimethicone 100 Silicone Oil to destabilize foam lamellae efficiently, making it effective even at very low concentrations.
From a safety and toxicological standpoint, Dimethicone 100 Silicone Oil is widely regarded as biologically inert.
Its large polymeric structure limits absorption through intact skin, and Dimethicone 100 Silicone Oil does not readily participate in biochemical reactions.
For this reason, Dimethicone 100 Silicone Oil fluids have a long history of use in cosmetics, medical devices, and food processing applications.
Regulatory authorities typically classify Dimethicone 100 Silicone Oil as having low acute toxicity and low irritation potential when used as intended.
Environmentally, Dimethicone 100 Silicone Oil is chemically stable and does not hydrolyze or decompose easily under normal environmental conditions.
While this stability is advantageous for performance, Dimethicone 100 Silicone Oil also means that uncontrolled release into the environment should be avoided.
In industrial practice, silicone oils are usually managed through controlled disposal or recycling streams, and their use is regulated primarily by physical, rather than ecotoxicological, considerations.
In summary, Dimethicone 100 Silicone Oil is best understood not simply as a “chemical substance” but as a functional polymer fluid whose performance is defined by viscosity, chain architecture, and surface behavior.
Dimethicone 100 Silicone Oil's widespread use across cosmetics, food processing, pharmaceuticals, electronics, and general industry is a direct consequence of its exceptional balance of inertness, stability, lubricity, and sensory neutrality.
USES and APPLICATIONS of DIMETHICONE 100 SILICONE OIL:
Dimethicone 100 Silicone Oil is commonly Used In: Primers and makeup bases for a silky finish, Liquid and cream foundations, BB creams and tinted moisturizers, Concealers and under-eye correctors, Hair serums and anti-frizz treatments, Conditioners and leave-in hair products, Barrier creams and moisturizers for dry or sensitive skin, Diaper rash creams and protective ointments, Sunscreens and SPF skincare for smooth spreadability, Soothing after-sun and post-procedure products.
Applications of Dimethicone 100 Silicone Oil: Emollient and water-proofing excipient in topical pharmaceutical formulations
Dimethicone 100 Silicone Oil can be used alone or in combination with other silicones or organic oils in a variety of formulations
Silicone fluid/silicone oil has different viscosity, Dimethicone 100 Silicone Oil, widely used as lubricant, electronic potting, liquid silicone rubber, silica gel, and so on.
Silicone oils like Dimethicone 100 Silicone Oil are among the most commonly used silicone fluids in cosmetics, industrial applications, and food processing.
Dimethicone 100 Silicone Oil is responsible for imparting a silky, smooth texture to the products.
This odorless and colorless substance, Dimethicone 100 Silicone Oil, is great at binding the ingredients and keeping them from separating.
Additionally, Dimethicone 100 Silicone Oil works magic to help the makeup look even rather than cakey.
On skin and hair, this silicone-based ingredient, Dimethicone 100 Silicone Oil, forms a physical barrier to lock in hydration for extra nourishment.
Dimethicone 100 Silicone Oil's molecular structure allows it to fill in microscopic surface irregularities, creating a uniform, protective layer that helps lock in moisture while allowing the skin to breathe.
In industrial applications, Dimethicone 100 Silicone Oil serves as an effective lubricant and anti-foaming agent, demonstrating remarkable stability across varying temperatures and conditions.
Its water-repellent properties, combined with its ability to reduce surface tension, make Dimethicone 100 Silicone Oil an essential ingredient in numerous formulations.
Dimethicone 100 Silicone Oil's safety profile and compatibility with various ingredients have led to its widespread adoption in pharmaceuticals, personal care products, and industrial applications.
As a silicone oil, Dimethicone 100 Silicone Oil creates a protective barrier on surfaces while maintaining breathability, making it especially effective in skincare formulations.
Dimethicone 100 Silicone Oil exhibits excellent spreading capabilities and leaves a smooth, non-greasy feel upon application.
Cosmetics: Dimethicone 100 Silicone Oil is widely used in cosmetics, such as skin care products, makeup and hair care products, as an emollient, softener and antistatic agent to enhance the feel and effect of products.
Industrial applications: Because of its excellent lubricity and heat resistance, Dimethicone 100 Silicone Oil is also used in lubricating oil, hydraulic oil, sealant and other industrial fields.
Medicine: In the field of medicine, Dimethicone 100 Silicone Oil can be used as a substrate for ointments, creams and ointments to lubricate and thicken.
Other: Dimethicone 100 Silicone Oil can also be used in textile, leather, plastic processing and other industries, as a softening agent, water repellent or release agent.
Dimethicone 100 Silicone Oil acts as a skin protectant, moisturizer, and emollient, providing a smooth and soft feel to lotions, creams, and hair care products.
Dimethicone 100 Silicone Oil is also utilized as a conditioning agent in shampoos, as well as a lubricant in medical devices and industrial processes.
With its unique characteristics and widespread use, Dimethicone 100 Silicone Oil plays a vital role in enhancing various products and formulations.
Dimethicone 100 Silicone Oil's behavior is governed not by a single molecular entity but by a distribution of polymer chain lengths, which is why viscosity, rather than molecular weight, is used as the primary descriptor of grade and performance.
From a physicochemical perspective, Dimethicone 100 Silicone Oil exhibits a unique combination of flexibility and chemical resistance due to its siloxane backbone.
The silicon–oxygen bond is significantly stronger and more flexible than typical carbon–carbon or carbon–oxygen bonds found in organic polymers.
This structural feature explains the excellent thermal stability of dimethicone, Dimethicone 100 Silicone Oil's resistance to ultraviolet radiation, and its ability to maintain performance over a wide temperature range without significant degradation.
The methyl side groups shield the siloxane backbone, giving Dimethicone 100 Silicone Oil pronounced hydrophobicity and very low surface energy.
In formulations, Dimethicone 100 Silicone Oil functions primarily as a surface-modifying fluid.
Dimethicone 100 Silicone Oil spreads easily, reduces friction, and imparts slip without penetrating deeply into substrates such as skin, hair, rubber, or plastics.
In personal care products, this results in a smooth, silky sensory profile and improved application characteristics, while also forming a breathable, water-repellent barrier that helps reduce moisture loss.
In industrial systems, the same surface activity translates into lubricity, mold-release performance, and foam suppression.
-Dimethicone 100 cst is for personal care products with better odor and clarity.
● Skin care and make-up products;
● Hair care products.
-Personal Care Products use of Dimethicone 100 Silicone Oil:
Dimethicone 100 Silicone Oil is a common ingredient in personal care products such as skincare, haircare, and cosmetics.
Dimethicone 100 Silicone Oil acts as an emollient, providing a smooth and silky feel to the skin and hair.
Dimethicone 100 Silicone Oil forms a protective barrier that locks in moisture, reducing water loss and improving skin hydration.
Dimethicone 100 Silicone Oil is found in lotions, creams, serums, shampoos, conditioners, and many other beauty products.
-Pharmaceuticals use of Dimethicone 100 Silicone Oil:
Dimethicone 100 Silicone Oil is utilized in the pharmaceutical industry for various applications.
Dimethicone 100 Silicone Oil is often used as a lubricant for medical devices, such as syringes and catheters, to reduce friction and enhance ease of use.
Additionally, Dimethicone 100 Silicone Oil can be found in topical ointments and creams, providing a smooth and gliding application.
-Industrial and Mechanical Applications of Dimethicone 100 Silicone Oil:
Due to Dimethicone 100 Silicone Oil's excellent lubricating properties and high thermal stability, silicone oil finds applications in industrial and mechanical systems.
Dimethicone 100 Silicone Oil is used as a lubricant for moving parts, reducing friction, and minimizing wear and tear.
Dimethicone 100 Silicone Oil is also employed in high-temperature applications, such as in heat transfer systems and as a damping fluid in shock absorbers.
-Foam Control uses ofDimethicone 100 Silicone Oil:
Dimethicone 100 Silicone Oil acts as an effective foam control agent in various industries.
Dimethicone 100 Silicone Oil helps to eliminate or reduce foam formation in processes where foaming can interfere with desired outcomes or create operational issues.
Dimethicone 100 Silicone Oil is commonly used in the manufacturing of paints, coatings, adhesives, and foams.
BENEFITS of DIMETHICONE 100 SILICONE OIL:
*Lubrication:
Dimethicone 100 Silicone Oil provides excellent lubrication, reducing friction and wear in mechanical systems.
Dimethicone 100 Silicone Oil helps to enhance the performance and extend the lifespan of moving parts.
*Skin and Hair Benefits:
In personal care products, Dimethicone 100 Silicone Oil improves skin hydration, softness, and smoothness.
Dimethicone 100 Silicone Oil helps to reduce the appearance of fine lines and wrinkles, while also providing a conditioning effect to the hair, making it more manageable and less prone to frizz.
*Thermal Stability:
Dimethicone 100 Silicone Oil exhibits high thermal stability, making it suitable for use in both low and high-temperature applications.
Dimethicone 100 Silicone Oil can withstand extreme temperatures without degradation or evaporation.
*Foam Control:
Dimethicone 100 Silicone Oil effectively controls foam formation, ensuring efficient and consistent processes in industries where foam can interfere with desired outcomes.
*Conclusion:
Dimethicone 100 Silicone Oil is a versatile and valuable ingredient used in personal care products, pharmaceuticals, industrial applications, and foam control.
Its lubricating properties, skin and hair benefits, thermal stability, and foam control capabilities make Dimethicone 100 Silicone Oil a sought-after compound in various industries.
PROPERTIES of DIMETHICONE 100 SILICONE OIL:
Dimethicone 100 Silicone Oil is a transparent and odorless fluid composed of polydimethylsiloxane (PDMS) polymers.
Dimethicone 100 Silicone Oil is characterized by its high thermal stability, low surface tension, and excellent lubricating properties.
Dimethicone 100 Silicone Oil is non-toxic, non-irritating, and has low volatility.
These properties make Dimethicone 100 Silicone Oil widely used in numerous applications.
KEY CHEMICAL CHARACTERISTICS of DIMETHICONE 100 SILICONE OIL:
*Non-ionic
*Hydrophobic
*Chemically inert
*Thermally stable
*Low surface tension
*Low vapor pressure
*Insoluble in water
*Soluble in many organic solvents
FUNCTION
*Emollient,
*slip agent,
*protective barrier,
*shine enhancer
WHAT IS DIMETHICONE 100 SILICONE OIL USED FOR?
The velvety texture of Dimethicone 100 Silicone Oil is a brilliant source for smoothening rough surfaces and forming a protective barrier for intense nourishment.
Dimethicone 100 Silicone Oil works well in all sorts of cosmetic and skincare products.
*Skin care:
Dimethicone 100 Silicone Oil works best for oily skin as it provides a matte finish and a smooth texture.
Dimethicone 100 Silicone Oil helps the skin retain water and moisturize to soothe dry and itchy skin.
Dimethicone 100 Silicone Oil can be found in many kinds of moisturizers and creams.
Dimethicone 100 Silicone Oil forms a protective layer on the surface to avoid loss of water – thus hydrating and acting as a protectant.
Dimethicone 100 Silicone Oil also protects the surface from coming in contact with allergens or irritants.
*Hair care:
Hairstyling products, shampoos, and conditioners contain Dimethicone 100 Silicone Oil as it coats the hair strands to retain moisture, hydrate, and give off a shiny, sleek look.
Further, Dimethicone 100 Silicone Oil protects the hair from extreme heat and
*Cosmetic products:
Dimethicone 100 Silicone Oil improves the texture of cosmetics and allows them to spread evenly on the surface.
Dimethicone 100 Silicone Oil is non-comedogenic and hence does not block pores while filling in the fine lines and wrinkles to give a healthy and plump look.
ORIGIN of DIMETHICONE 100 SILICONE OIL:
Dimethicone 100 Silicone Oil is obtained from Silicone under special treatments in a laboratory.
Since Silicone is one of the most abundant elements on the Earth, manufacturing Dimethicone 100 Silicone Oil in large quantities becomes easy – making it a popular ingredient in the cosmetic industry.
WHAT DOES DIMETHICONE 100 SILICONE OIL DO IN A FORMULATION?
*MOISTURISING
*SKIN CONDITIONING
*SKIN PROTECTING
SAFETY PROFILE of DIMETHICONE 100 SILICONE OIL:
Dimethicone 100 Silicone Oil is largely safe to use for skin and hair; however, it is best to perform a patch test prior to full application.
Dimethicone 100 Silicone Oil can feel heavy and greasy on highly sensitive skin, resulting in acne breakouts.
ALTERNATIVES of DIMETHICONE 100 SILICONE OIL:
*COCO-CAPRYLATE/CAPRATE
FEATURES of DIMETHICONE 100 SILICONE OIL:
*Intermediate molecular weight silicone
*Good balance of sensory profile, emolliency, substantivity and lubricity
*Highly stable and inert
*Hydrophobic
*Easily emulsified with standard emulsifiers and techniques
*Hydrophobic properties make Dimethicone 100 Silicone Oil suitable for use as a water repellent and skin protectant
*Dimethicone 100 Silicone Oil provides lubricity, smooth feel and spreadability
*Reduced tackiness
KEY TAKEAWAYS of DIMETHICONE 100 SILICONE OIL:
Dimethicone 100 Silicone Oil is a type of silicone.
Dimethicone 100 Silicone Oil is a popular ingredient in many cosmetics, such as skin and hair care products, as it smooths over rough surfaces and has a velvety texture.
Dimethicone 100 Silicone Oil is unlikely to cause any adverse skin reactions, though may cause eye damage and irritation if a person gets products in their eye.
Alternatives to Dimethicone 100 Silicone Oil may depend on the product.
People can look for hair products containing natural oils or butters and alternatives, such as Humectants or colloidal oatmeal, in skin products.
Dimethicone 100 Silicone Oil forms a protective barrier on the skin, decreasing moisture loss and providing some protection from irritants or allergens.
PHYSICOCHEMICAL PROPERTY of DIMETHICONE 100 SILICONE OIL:
*Thermal stability:
Dimethicone 100 Silicone Oil has excellent heat resistance and can be used for a long time in a wide temperature range from -50°C to 220°C.
*Oxidation stability:
Dimethicone 100 Silicone Oil has excellent oxidation resistance and is not easy to be oxidized.
*Low viscosity:
Low viscosity coefficient can be maintained at low temperature, good fluidity.
*Low surface tension:
Dimethicone 100 Silicone Oil is conducive to its spread and penetration on various interfaces.
*Electrical insulation:
Dimethicone 100 Silicone Oil has excellent electrical characteristics, such as high breakdown voltage resistance, arc resistance, corona resistance and small dielectric loss.
*Non-toxic:
Dimethicone 100 Silicone Oil is non-toxic to the human body, suitable for use in a variety of occasions.
*Other characteristics:
Dimethicone 100 Silicone Oil is low volatility, low odor, non-blocking, good lubricity and water solubility.
FEATURE of DIMETHICONE 100 SILICONE OIL:
● High water repellency;
● Low surface energy;
● High spreadability and compatibility;
● Ease of application and rubout;
● Fungi and bacteria resistant;
● Dimethicone 100 Silicone Oil is non-sensitizing;
● Good heat stability;
PHYSICAL and CHEMICAL PROPERTIES of DIMETHICONE 100 SILICONE OIL:
Appearance: White or of- white powder or crystlline power,odorless
Solubility: Very soluble in N,N-Dimethylformamide,
Soluble in methanol,
Sparingly soluble inglacial acetic acid,
Very slightly soluble inchloroform,
Practically insoluble in water.
Melting Point: 152°C~156°C
Appearance: Colorless and odorless transparent liquid
Viscosity (25℃, cSt): 100±5
Density (25℃, g/cm3): 0.958~0.968
Refractive Index, 25℃: 1.4020~1.4040
Flash Point, ℃: ≥310
Volatile (150℃, 2h), %: ＜0.5
MDL Number: MFCD00132673
Formula: (CH₃)₃SiO(Si(CH₃)₂O)n
Melting point : −59 °C(lit.)
Boiling point: 101 °C(lit.)
density: 0.963 g/mL at 25 °C
vapor density: >1 (vs air)
vapor pressure: <5 mm Hg ( 25 °C)
refractive index: n20/D 1.377(lit.)
Fp: >270 °C (518 °F)
storage temp.: 2-8°C
solubility: Chloroform (Slightly), Ethyl Acetate (Sparingly),
Toluene (Sparingly)
form: Oily Liquid
Specific Gravity: 0.853
color: Clear colorless
Odor: Odorless
Water Solubility: PRACTICALLY INSOLUBLE
Merck: 14,8495
Dielectric constant: 2.7（Ambient）
Stability: Stable.
Incompatible with strong oxidizing agents.
EPA Substance Registry System: Dimethyl siloxanes and silicones (63148-62-9)
CAS #: 63148-62-9
MDL #: MFCD00132673
Molecular Formula: [-Si(CH3)2O-]n
Molecular Weight: 74.15
Merck: 148495.00
Harmonized Tariff Code: 3910.00
Appearance: colorless viscous liq.
Boiling Point: 140 °C/0.002 mmHg
Flash Point: >270 °C (518 °F)
Density: .96
n20/D: 1.40
Vapor Density: 1.00
Vapor Pressure: 5 mmHg
Boiling Pt: >140 °C (0.002 mmHg)) (lit.)
Density: 0.96 g/ml (25 °C)
MDL Number: MFCD00132673
CAS Number: 63148-62-9
Appearance: Colorless transparent liquid
Viscosity (25℃), cSt: 100±5
Density(25℃, g/cm3): 0.962 ~ 0.972
Refractive Index, 25℃: 1.4020~ 1.4040
Flash point, ℃: ≥250
Volatile (150℃/2h), %: ≤1.00
Acid Value(KOH), μg/g: ≤10.0
Appearance: Clear viscous liquid
Infrared spectrum: Conforms
Refractive index: 1.4020 to 1.4050 (20°C, 589 nm)
Color scale: ≤35 APHA
Viscosity: 95 to 105 cSt (at 25°C)
Volatiles: ≤0.5 % (200°C)
CAS Number: 63148-62-9 (for the general polymeric dimethylpolysiloxane fluid)
Additional CAS sometimes used: 9006-65-9 (for dimethicone more broadly)
EC / EINECS Number: 613-156-5 (for poly(dimethylsiloxane), i.e., dimethicone)
INCI (cosmetic ingredient name): Dimethicone
Chemical class: Linear polydimethylsiloxane silicone fluid, of medium viscosity (~100 cSt at 25 °C)
Appearance: Colourless or very pale, transparent to slightly opalescent liquid.
Odour: Essentially odorless or very mild.
Density / Specific gravity: Typical specific gravity ~0.962–0.968 at 25 °C for 100 cSt grade per one specification.
Refractive index: ~1.4020–1.4040 at 25 °C for 100 cSt grade.
Viscosity: Kinematic viscosity ~100 centistokes at 25 °C (hence “100 cSt”).
Pour point / low temperature behavior: One data sheet shows pour point around -65 °C for the 100 cSt fluid.
Surface tension: For 1% actives, ~20.9 mN/m at 25 °C in one product spec.
Flash point: One spec reports flash point (closed cup) > 100 °C, open cup > 326 °C.
Thermal/chemical stability: Shows good heat stability, low vapor pressure, low surface energy.
Physical Form: Clear liquid
Color: Colorless to slightly yellow
Odor: Odorless
Viscosity: ~100 cSt at 25 °C
Density: ~0.97 g/cm³ at 25 °C
Appearance: Clear, colorless liquid
Odor: Essentially odorless
Density: ~0.96–0.98 g/cm³
Viscosity: ~100 centistokes (cSt) at 25 °C (viscosity grade)
Refractive Index: ~1.40–1.41
Melting/Boiling Point: Not applicable (does not crystallize or boil in the traditional sense; viscosity changes with temperature)
Solubility: Practically insoluble in water; soluble in many organic solvents (e.g., toluene, xylene)
Surface Tension: Very low
Vapor Pressure: Very low / negligible at ambient temperatures
Thermal Stability: Good stability over wide temperature ranges
INCI Name: Dimethicone
Appearance: Clear, odorless, non-greasy fluid
Viscosity: 100 cSt
Solubility: Soluble in other silicones and oils
Usage Rate: 0.5% – 5%
Appearance: Clear, colorless liquid
Odor: Essentially odorless
Density: ~0.96–0.98 g/cm³
Viscosity: ~100 centistokes (cSt) at 25 °C (viscosity grade)
Refractive Index: ~1.40–1.41
Melting/Boiling Point: Not applicable (does not crystallize or boil in the traditional sense; viscosity changes with temperature)
Solubility: Practically insoluble in water; soluble in many organic solvents (e.g., toluene, xylene)
Surface Tension: Very low
Vapor Pressure: Very low / negligible at ambient temperatures
Thermal Stability: Good stability over wide temperature ranges
Substance Name: Dimethicone (Polydimethylsiloxane)
CAS Number: 63148-62-9 (main), 9006-65-9 (alternate)
EC (EINECS) No.: 613-156-5
Molecular Formula: (C₂H₆OSi)ₙ (polymer)
Physical Form: Clear liquid
Viscosity Grade: ~100 cSt
Typical Density: ~0.96–0.98 g/cm³
Solubility: Insoluble in water, soluble in organics
FIRST AID MEASURES of DIMETHICONE 100 SILICONE OIL:
-Description of first-aid measures:
*If inhaled:
If breathed in, move person into fresh air.
*In case of skin contact:
Wash off with soap and plenty of water.
*In case of eye contact:
Flush eyes with water as a precaution.
*If swallowed:
Never give anything by mouth to an unconscious person.
Rinse mouth with water.
-Indication of any immediate medical attention and special treatment needed:
No data available
ACCIDENTAL RELEASE MEASURES of DIMETHICONE 100 SILICONE OIL:
-Environmental precautions:
Do not let product enter drains.
-Methods and materials for containment and cleaning up:
Keep in suitable, closed containers for disposal.
FIRE FIGHTING MEASURES of DIMETHICONE 100 SILICONE OIL:
-Extinguishing media:
*Suitable extinguishing media:
Use water spray, alcohol-resistant foam, dry chemical or carbon dioxide.
-Further information:
No data available
EXPOSURE CONTROLS/PERSONAL PROTECTION of DIMETHICONE 100 SILICONE OIL:
-Control parameters:
--Ingredients with workplace control parameters:
-Exposure controls:
--Personal protective equipment:
*Eye/face protection:
Use equipment for eye protection.
*Skin protection:
Handle with gloves.
Wash and dry hands.
*Body Protection:
Impervious clothing
*Respiratory protection:
Respiratory protection not required.
-Control of environmental exposure:
Do not let product enter drains.
HANDLING and STORAGE of DIMETHICONE 100 SILICONE OIL:
-Conditions for safe storage, including any incompatibilities:
*Storage conditions:
Store in cool place.
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.
STABILITY and REACTIVITY of DIMETHICONE 100 SILICONE OIL:
-Reactivity:
No data available
-Chemical stability:
Stable under recommended storage conditions.
-Possibility of hazardous reactions:
No data available
-Conditions to avoid:
No data available
