Silicone Oils

Amino-Functional Silicone (Aminosilicone)

CAS 71750-80-6

An amine-modified siloxane that anchors to fiber surfaces to deliver durable softness and smoothness. The pendant amine groups give it strong substantivity to fibers, making it a softening and conditioning agent for textile finishing.

ConditioningFilm Formation

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Amodimethicone

CAS 308070-89-5

An amino-functional silicone that deposits selectively on hair for conditioning performance. Its established INCI function is as a hair-conditioning and antistatic agent in personal-care formulations.

ConditioningFilm Formation

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Amodimethicone, Cetrimonium Chloride, Trideceth-12

A pre-emulsified blend of amodimethicone, cetrimonium chloride, and trideceth-12 supplied as a ready-to-use conditioning concentrate that delivers amino-silicone conditioning to rinse-off and leave-in hair-care formulations.

ConditioningFilm Formation

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Behenyl Methicone

CAS 17927-28-3

A long-chain (C22) alkyl silicone wax that brings high-melt, dry-touch structure to color cosmetics and balms. It is used in personal-care formulation as an emollient and skin- and hair-conditioning agent and as a structuring silicone wax in anhydrous and emulsion…

ConditioningEmolliency

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Bis-PEG/PPG-20/20 Dimethicone (Dimethicone Copolyol)

CAS 151662-01-0

A silicone polyether (PEG/PPG-modified dimethicone) used as a nonionic emulsifier and surfactant in personal-care formulations. As a silicone-based nonionic surfactant, it is used to emulsify and stabilize silicone and oil phases in personal-care formulations.

SurfactancyWetting

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Bis[3-(triethoxysilyl)propyl] Disulfide (TESPD)

CAS 56706-10-6

A disulfide-functional organosilane that couples silica filler into rubber networks during mixing. It is used as an adhesion/cohesion promoter, intermediate, processing aid, and chemical reaction regulator.

Coupling / Adhesion PromotionCrosslinking / Curing

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Bis[3-(triethoxysilyl)propyl] Tetrasulfide (TESPT)

CAS 40372-72-3

A sulfur-bearing organosilane that chemically couples silica reinforcing filler into rubber during compounding. It is used as an adhesion/cohesion promoter and processing aid, and it acts as a binder linking inorganic fillers to organic polymer matrices.

Coupling / Adhesion PromotionCrosslinking / Curing

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Cetyl Methicone

CAS 191044-49-2

A wax-like alkyl silicone that delivers a smooth, conditioning finish with water-repellent slip. It is used as an emollient and conditioning agent in cosmetic and personal-care formulations, where it provides a silky, water-repellent film.

ConditioningEmolliency

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Cetyl PEG/PPG-10/1 Dimethicone (Cetyl Dimethicone Copolyol)

CAS 144243-53-8

A silicone-based emulsifier that stabilizes water droplets in oil and silicone continuous phases. It is used as an emulsifier in cosmetic and personal-care formulations, particularly water-in-oil and water-in-silicone systems.

SurfactancyWetting

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Cyclohexasiloxane

CAS 540-97-6

A volatile cyclic dimethylsiloxane used as a fast-spreading, residue-light carrier in personal care. Cyclic methylsiloxanes serve as fast-evaporating emollients, carriers, and solvents in personal-care formulations and as intermediates in silicone-polymer manufacture.

SolvencyEmolliency

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Cyclopentasiloxane (Decamethylcyclopentasiloxane, D5)

CAS 541-02-6

A volatile cyclic silicone fluid prized as a fast-spreading carrier that flashes off cleanly without residue. It is used as a carrier, emollient, and solvent in personal-care products, as a dry-cleaning solvent, and as an intermediate in manufacturing higher-molecular-weight siloxane…

SolvencyEmolliency

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Cyclopentasiloxane and Dimethiconol Blend

A multi-component silicone blend formulated as a conditioning and slip base for hair and skin care. Used as a conditioning, smoothing, and slip-enhancing base in hair- and skin-care formulations.

SolvencyEmolliency

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Decamethyltetrasiloxane (MD2M)

CAS 141-62-8

Decamethyltetrasiloxane (MD2M) is a linear tetrasiloxane with a viscosity of approximately 2 cSt at 25°C. It is used as an intermediate in silicone polymer production and as a low-viscosity carrier fluid in industrial formulations.

SolvencySlip / Release

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Dimethicone (PDMS)

CAS 9006-65-9

Dimethicone is the flagship linear silicone fluid (polydimethylsiloxane), selected by viscosity across a wide grade ladder. Low-cSt volatile grades act as carriers and spreading agents; mid grades deliver slip, gloss and softening; high-viscosity grades provide damping, dielectric and antifoam performance.

ConditioningSlip / Release

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Dimethicone (Polydimethylsiloxane, PDMS)

CAS 9006-65-9

A linear silicone fluid that brings slip, lubrication, and foam control to both industrial and personal-care systems. It is used as an antifoam in aqueous systems, petroleum processing, and detergents; as a lubricant for films, yarn, and fillers; and as…

LubricationSlip / Release

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Dimethicone Crosspolymer

CAS 300-00-5

A crosslinked silicone network that thickens and gels the oil phase while imparting a soft, powdery after-feel. In cosmetic ingredient nomenclature it functions as a thickening, gelling, and sensory-modifying agent for the oil phase of personal-care formulations.

Film FormationThickening / Rheology

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Dodecamethylpentasiloxane (MD3M)

CAS 141-63-9

Dodecamethylpentasiloxane (MD3M, CAS 141-63-9) is a linear, low-viscosity methylsiloxane fluid used as a silicone carrier and spreading/emollient fluid in personal-care and industrial formulations.

SolvencyEmolliency

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Hexamethyldisiloxane (MM, HMDSO)

CAS 107-46-0

Hexamethyldisiloxane (MM / HMDSO, CAS 107-46-0) is the shortest linear siloxane and the most volatile silicone fluid, at about 0.65 cSt — sold in the trade as MM fluid. It acts as a chain stopper in PDMS manufacture, a fast-evaporating…

SolvencySlip / Release

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Liquid Silicone Rubber (LSR)

CAS 70131-67-8

A pumpable silicone elastomer that molds into flexible, thermally stable parts. It cures into a heat-, cold-, and weather-resistant rubber used for molded seals, gaskets, and O-rings, for electrical insulation and encapsulation, and for flexible molds and heat-resistant housewares.

Crosslinking / CuringFilm Formation

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Methyl Trimethicone

CAS 63148-57-2

A volatile branched silicone that delivers a dry, fast-spreading slip to skin and hair care. It is used in personal-care formulations as a light, non-greasy emollient, spreading agent, and skin- and hair-conditioning carrier.

EmolliencySolvency

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Octamethylcyclotetrasiloxane (Cyclotetrasiloxane, D4)

CAS 556-67-2

A cyclic siloxane used as a monomer for silicone polymers and as a volatile carrier fluid. Industry references record use in the preparation of methyl silicone oils and as a solvent, diluent, and cosmetic emollient and conditioning fluid.

SolvencyEmolliency

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Octamethyltrisiloxane (MDM)

CAS 107-51-7

Octamethyltrisiloxane (MDM) is a linear trisiloxane with a viscosity of approximately 1 cSt at 25°C. It is slightly longer chain than hexamethyldisiloxane (0.65 cSt) and is used as an intermediate in silicone polymer production, as a chain stopper, and as…

WettingSurfactancy

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PEG-12 Dimethicone

CAS 68937-54-2

A silicone polyether that bridges silicone and water phases, emulsifying and wetting where ordinary surfactants struggle. It is used as a nonionic silicone surfactant, emulsifier and wetting agent and as a conditioning agent in personal-care formulations.

SurfactancyWetting

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PEG/PPG-14/4 Dimethicone (Dimethicone Copolyol)

CAS 68937-55-3

A polyether-modified silicone that bridges oil and water phases in emulsion and cleansing systems. Within its silicone-surfactant class it functions as an emulsifier and wetting agent in personal-care and industrial formulations.

SurfactancyWetting

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PEG/PPG-20/20 Dimethicone (Dimethicone Copolyol)

CAS 68937-54-2

A balanced ethylene-oxide/propylene-oxide silicone surfactant for stabilizing emulsions and improving substrate wetting. In its silicone-surfactant class it serves as an emulsifier and wetting agent for personal-care and industrial formulations.

SurfactancyWetting

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Phenyl Trimethicone

CAS 2116-84-9

A phenyl-functional silicone fluid used as an emollient and conditioning agent in personal-care formulations. It is used in cosmetic formulations as an emollient, antifoaming and antistatic agent, and as a viscosity modifier.

ConditioningEmolliency

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Polydimethylsiloxane (PDMS) Fluid

CAS 63148-62-9

Polydimethylsiloxane (PDMS) fluid is a clear, inert, thermally stable linear silicone oil supplied across a wide viscosity range. It is used as a lubricant, release agent, defoamer base, water repellent, and dielectric and heat-transfer fluid.

Defoaming / Foam ControlSlip / Release

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Polyether-Modified Trisiloxane (Trisiloxane Surfactant)

CAS 27306-78-1

A trisiloxane superwetter that collapses surface tension to drive rapid spreading on hard-to-wet surfaces. Its very low surface tension produces rapid wetting and spreading, and it is used as a superspreading spray adjuvant in agrochemical formulations and as a wetting…

SurfactancyWetting

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Polyglyceryl-4 Isostearate, Cetyl PEG/PPG-10/1 Dimethicone and Hexyl Laurate

CAS 91824-88-3

A pre-balanced water-in-oil emulsifier system pairing a polyglyceryl ester with a silicone surfactant and a spreading ester. It is used to build and stabilize water-in-oil emulsions in cosmetic and personal-care formulations.

SurfactancyWetting

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Polymethylsilsesquioxane

CAS 68554-70-1

A crosslinked silicone resin in spherical-powder form that rolls between surfaces for slip and a soft-focus, matte finish. It is used as a bulking agent and slip modifier that imparts a smooth, dry, soft-focus feel in color cosmetics and skin-care…

Film FormationConditioning

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Polysilicone-19

CAS 156065-02-0

A film-forming silicone polymer engineered for durable, flexible deposition in hair-styling and conditioning systems. It functions as a film former and conditioning agent, depositing a flexible silicone film on hair.

Film FormationEmolliency

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Silicone Antifoam Emulsion (Silicone Defoamer)

A water-dilutable silicone defoamer for knocking down and suppressing foam in aqueous process streams. Silicone antifoams of this type are used to suppress foam in aqueous systems, in petroleum processing, and in detergent and cleaning applications.

Defoaming / Foam Control

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Silicone Emulsion — 60% Solids, Non-Ionic (RS-EM 350/60 / RS-EM 1000/60)

RawSource silicone emulsion is a non-ionic, oil-in-water emulsion of polydimethylsiloxane (PDMS, CAS 63148-62-9) at a typical 63% solids content — the "60% silicone emulsion" class. Two grades: RS-EM 350/60 on a 350 cSt base fluid and RS-EM 1000/60 on a…

Slip / Release

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Silicone Gum (High-Molecular-Weight Dimethicone, PDMS)

An ultra-high-molecular-weight polydimethylsiloxane (PDMS/dimethicone), so long-chained that it behaves as a soft, non-flowing gum rather than a pourable fluid. It is the base polymer for high-consistency silicone rubber (HCR) and a personal-care shine agent.

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Silicone Oil 1,000 cSt (Dimethicone, PDMS)

CAS 9006-65-9

The classic antifoam base oil at 1,000 cSt — tenacious yet still dispersible. Dimethicone (PDMS) for foam control, tenacious lubrication and conditioning.

DefoamingLubrication

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Silicone Oil 1.5 cSt (Dimethicone, PDMS)

The lightest pourable grade on the linear PDMS ladder — an ultra-low-viscosity dimethicone that spreads fastest and dries to a light, non-greasy slip; used as a fast-spreading carrier, low-temperature dielectric/heat-transfer fluid, anti-spatter/release aid, and antifoam base oil.

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Silicone Oil 10 cSt (Dimethicone, PDMS)

CAS 9006-65-9

The broad low-viscosity workhorse at 10 cSt — fast-spreading like the thin grades but leaving a more persistent film. Dimethicone (PDMS) for cosmetic, dielectric and antifoam use.

EmolliencySlip / Release

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Silicone Oil 10,000 cSt (Dimethicone, PDMS)

CAS 9006-65-9

A high-viscosity 10,000 cSt dimethicone (PDMS) built for damping and durable, shear-stable lubrication that changes little over temperature.

LubricationSlip / Release

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Silicone Oil 100 cSt (Dimethicone, PDMS)

CAS 9006-65-9

The balanced 100 cSt grade — a coherent, uniform dimethicone (PDMS) film without the drag of heavier oils. The personal-care and polish-glide workhorse.

Slip / ReleaseLubrication

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Silicone Oil 100,000 cSt (Dimethicone, PDMS)

CAS 9006-65-9

An instrument-grade damping fluid at 100,000 cSt — steady, temperature-insensitive damping that meets Federal Spec VV-D-1078. Very high-viscosity dimethicone (PDMS).

LubricationSlip / Release

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Silicone Oil 12,500 cSt (Dimethicone, PDMS)

CAS 9006-65-9

The polish-active grade at 12,500 cSt — a high-viscosity dimethicone (PDMS) that builds depth of gloss, and a recognised damping and hydraulic-stabiliser medium.

Slip / ReleaseLubrication

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Silicone Oil 2 cSt (Dimethicone, PDMS)

An ultra-low-viscosity linear PDMS (dimethicone) one step heavier than 1.5 cSt — very light and fast-spreading with a slightly more substantive film; used as a carrier/diluent, low-temperature dielectric/heat-transfer fluid, anti-spatter aid, and antifoam base oil.

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Silicone Oil 200 cSt (Dimethicone, PDMS)

Silicone Oil 200 cSt (dimethicone, PDMS, CAS 9006-65-9) is a general-purpose mid-viscosity linear silicone fluid used across personal care, release and lubrication, polishes, and antifoam applications.

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Silicone Oil 350 cSt (Dimethicone, PDMS)

CAS 9006-65-9

The general-purpose 350 cSt grade — a durable, low-migration dimethicone (PDMS) film for mold release, paint and plastic care, damping, and formulation duty.

Slip / ReleaseLubrication

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Silicone Oil 5 cSt (Dimethicone, PDMS)

CAS 9006-65-9

A thin, fast-wetting 5 cSt dimethicone (PDMS) chosen where low viscosity and a dry, residue-free feel matter most — the lightest non-volatile silicone oil grade.

EmolliencySlip / Release

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Silicone Oil 50 cSt (Dimethicone, PDMS)

CAS 9006-65-9

A light mid-viscosity 50 cSt dimethicone (PDMS) that penetrates and coats evenly — picked where flow, fiber wet-out and bath circulation outweigh film durability.

Slip / ReleaseLubrication

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Silicone Oil 500 cSt (Dimethicone, PDMS)

A medium-viscosity linear polydimethylsiloxane (dimethicone) fluid, CAS 9006-65-9. It forms a more persistent, more lubricating film than 200-350 cSt grades while remaining pourable and pumpable, retaining PDMS thermal stability and dielectric strength.

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Silicone Oil 500,000 cSt (Dimethicone, PDMS)

CAS 9006-65-9

The apex damping and torque-transfer grade at 500,000 cSt — dimethicone (PDMS) at the fluid-to-gum boundary, for torsional dampers and viscous couplings.

LubricationSlip / Release

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Silicone Oil 5000 cSt (Dimethicone, PDMS)

Silicone Oil 5000 cSt is a viscous linear PDMS (dimethicone) fluid and a classic mechanical damping grade. Sitting between the 1000 and 10,000 cSt fluids, it is thick and slow-flowing yet still a pourable liquid for dashpots, dampers and instrument…

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Silicone Oil 60,000 cSt (Dimethicone, PDMS)

CAS 9006-65-9

A very-high-viscosity 60,000 cSt dimethicone (PDMS) for vibration and shock damping, plastics slip/anti-block and slow-migrating release films.

Slip / ReleaseLubrication

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Silicone Quaternium-22

CAS 131620-31-0

A cationic silicone that anchors conditioning to hair and skin without a heavy or greasy residue. It functions as a hair- and skin-conditioning agent, contributing substantivity and a smooth after-feel to leave-on and rinse-off personal-care products.

ConditioningFilm Formation

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Silicone Quaternium-22 (and) Polyglyceryl-3 Caprate (and) Dipropylene Glycol (and) Cocamidopropyl Betaine

CAS 946846-36-2

A pre-built conditioning system that bundles silicone substantivity, emulsification, and mild surfactancy in one drop-in raw material. It supplies a ready-to-use conditioning and emulsifying system for personal-care formulations, pairing a cationic silicone conditioner with a polyglyceryl emulsifier, a glycol carrier,…

SurfactancyWetting

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Silicone Rubber

CAS 63394-02-5

A siloxane elastomer that holds its elasticity from sub-zero cold to sustained heat where organic rubbers fail. It is used to produce seals, gaskets, tubing, and molded parts that require flexibility and stability across a wide temperature range, and as…

Crosslinking / CuringFilm Formation

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Silicone Transformer Oil (STO-50) — 50 cSt PDMS Dielectric Fluid

CAS 63148-62-9

Silicone Transformer Oil (STO-50) is a 50 cSt, low-moisture polydimethylsiloxane (PDMS) dielectric and heat-transfer fluid for transformers, meeting IEC 60836 and ASTM D 4652 with a >340 °C fire point (open cup); comparable to Dow PMX-561.

LubricationDefoaming / Foam Control

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Simethicone (Simeticone, Activated Dimethicone)

CAS 8050-81-5

Silica-activated polydimethylsiloxane built for foam control in demanding process streams. It functions as an antifoaming and defoaming agent, used to control foam in pharmaceutical and chemical manufacturing processes, as a food-grade antifoaming and anticaking additive (JECFA), and as an antifoaming…

Defoaming / Foam Control

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Stearyl Methicone

CAS 68554-54-1

An alkyl-modified silicone wax that combines silicone slip with the structuring body of a long-chain fatty backbone. It is used in personal-care formulation as an emollient and skin- and hair-conditioning agent and as a structuring wax that adds body and…

ConditioningEmolliency

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Trimethylsiloxysilicate (MQ Resin)

CAS 56275-01-5

A film-forming MQ silicone resin that lends body and a durable silicone film to personal-care and surface-care formulations. It functions as a film former and is a CIR-reviewed cosmetic ingredient that appears in personal-care, automotive-care, and home-maintenance products.

Film FormationCoupling / Adhesion Promotion

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Trisiloxane

CAS 18736-03-3

Trisiloxane is the unsubstituted parent siloxane — the simplest linear member of the siloxane series, distinct from the fully methylated industrial silicone fluids. Not to be confused with octamethyltrisiloxane (MDM, CAS 107-51-7), which is the fully methylated industrial silicone fluid.

WettingSurfactancy

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Vinyl-Terminated Polydimethylsiloxane (Vinyl PDMS)

CAS 68951-99-5

The reactive backbone of platinum-cure silicone rubber, built to crosslink through its terminal vinyl groups. It serves as the base polymer in addition-cure (hydrosilylation) silicone elastomer systems, reacting with hydride crosslinkers under platinum catalysis.

Crosslinking / CuringFilm Formation

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