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DIMETHICONE 5000

CAS NUMBER: 63148-62-9

EC NUMBER: 203-497-4

MOLECULAR FORMULA: C8H24O2Si3

MOLECULAR WEIGHT: 236.53

IUPAC NAME: dimethyl-bis(trimethylsilyloxy)silane

Dimethicone 5000 is a medium viscosity fluid. 
In cosmetics applications, the low-medium viscosity of this fluid makes it a good spreading agent, while offering higher substantively than those of a lower viscosity. 
Dimethicone 5000 is an organosiloxane that is trisiloxane in which all the hydrogens have been replaced by methyl groups.

Low-medium viscosity dimethicone can also eliminate the whitening or ‘soaping’ effect seen in W/O emulsions. 
In hair care, this material can be used in serums or conditioners to give hair a smooth feel and good dry combing.

Dimethicone 5000 was designed specifically as a water-in-oil or water-in-silicone emulsifier for compositions comprising volatile silicones or non-polar organic fluids as the continuous phase. 
Water-in-silicone formulations are noted for imparting a soft and velvety feel to the skin and for their excellent spreading properties. 

Dimethicone 5000 is an excellent emulsifier for water-in-oil and water-in-silicone systems in Skin Care, Sun Care and Decorative Cosmetics.
Dimethicone 5000 is used as conditioning agent. 

This high molecular weight & linear polydimethylsiloxane offers wet/dry combing and water repellency. 
Dimethicone 5000 imparts smooth & silky feel to the skin and shine to hair. 

Dimethicone 5000 is used in hair repairing products, skin care for skin protection & softness and sun care for water-resistance effect. 
The shelf life of this ingredient is 36 months from its date of manufacturing.

Dimethicone 5000 is a high-molecular weight linear polydimethylsiloxane fluid. 
Dimethicone 5000 can be used in combination with other ingredients to provide a wide range of benefits in  anhydrous beauty care  formulations and emulsions. 

BENEFITS:
-Maximum conditioning effect

-Skin protection and softness

-Water resistance and repellency

-Good wet and dry combing

-Shine and radiance


Dimethicone 5000 is also known as methyl silicone oil and polydimethylsiloxane liquid. 
Dimethicone 5000 appears as colorless transparent viscous liquid, being tasteless, odorless and non-toxic. 

The molecular formula is CH3 [Si (cH3) 2] nSi (CH3) 3. 
The average molecular weight is 5000 ~ 100000. 

Based on the differences on the molecular weight, kinematic viscosity varies from 1.0 × 10-6 ~ 100000 × 10-6 square meters / second. Long-term use temperature range is -50 ~ 180 ℃. 
In isolated air or inert gas, it can be subject to long-term use at 200 ℃. 
Viscosity coefficient: 0.31 ~ 0.61. 
Surface tension: 1.59 ~ 2.15 × 10-4N / cm. 
Dielectric constant (23 ℃, 100Hz): 2.18 ~ 2.17. 
Volume resistivity (23 °C): 1.0 × 1014 to 1.0 × 1016Ωcm3. 
Dielectric loss tangent (23 ℃, 100Hz):0.00002~0.00004. 
Breakdown voltage strength: 13.7 ~ 17.7kV / mm. 

Dimethicone 5000 is soluble in benzene, toluene, xylene and ethyl ether, partially soluble in ethanol, butanol and acetone, insoluble in cyclohexanol, methanol, paraffin oil and vegetable oil. 
Dimethicone 5000 has excellent hydrophobic moisture resistance, good light transmission, and chemical stability. 

Dimethicone 5000 widely used in insulation, heat, moisture-proof filler, defoamer, mold release agent, lubricant and surface treatment agent. 
Dimethicone 5000 is produced by the reaction between octamethylcyclotetrasiloxane and hexamethyldisiloxane in the presence of concentrated sulfuric acid or tetramethylammonium hydroxide catalyst.

Dimethicone 5000 is clear, colorless liquids available in various viscosities. 
Dimethicone 5000 is a fluid mixture of fully methylated linear siloxane polymers end-blocked with trimethylsiloxy units. 

Dimethicone 5000 is a linear monomethyl polysiloxane. 
Dimethicone 5000 are safe as used in cosmetic formulations, vulcanization.

Dimethicone 5000 is a silicone oil consisting of a mixture of fully methylated linear siloxane polymers end-blocking with trimethylsiloxy units.
Dimethicone 5000 commonly used in skin and hair products.

Dimethicone 5000 is a form of silicone used to give products lubricity, slip, and good feel. 
Dimethicone 5000 can also serve as a formulation defoamer and help reduce the feeling of greasiness that some creams leave on the skin immediately upon application. 

In addition, Dimethicone 5000 is reported to protect the skin against moisture loss when used in larger quantities. 
Dimethicone 5000 improves product flow and spreadability. 
In combination with other ingredients, dimethicone becomes a good waterproofing material for sunscreen emulsions, and helps reduce the greasiness often seen in high-SPF preparations.

Dimethicone 5000 is supplied as an approximately 30 % active solution in Dimethicone. 
The silicone polyglucoside contained in this solution is a nonionic surfactant with an HLB of approximately 6 - 7. 

Dimethicone 5000 was designed specifically as a water-in-oil or water-in-silicone emulsifier for compositions comprising volatile silicones or non-polar organic fluids as the continuous phase. 
Dimethicone 5000 is an excellent emulsifier for water-in-oil and water-in-silicone systems in skincare, suncare and decorative cosmetics.

Dimethicone 5000 is a kind of oily linear polysiloxane produced from the hydrolysis and poly-condensation of chlorotrimethylsilane, ethyl chlorosilane, and phenyl chlorosilane containing mono-functional group and bifunctional group. 
The commonly called Dimethicone 5000 means the polydimethylsiloxane and polymethyl phenyl siloxane. 

Dimethicone 5000 is a kind of colorless, odorless, non-toxic, transparent, non-volatile liquid with non-corrosive effect on metal, low freezing point and good anti-water property and moisture resistance, low surface tension and being capable of being resistant to dilute acids and bases and has wide application in various national economy departments.
The viscosity of the silicone oil has small changes with temperature. 

At-60~250 °C, Dimethicone 5000 can be used as a lubricant agent for sextant, electromotor, shells aiming system and shipborne radar devices. 
When being mixed with thickener such as carbon black and lithium stearate, Dimethicone 5000 can be used for preparation of viscous grease for being applied to vacuum or high temperature sealing systems and the sealing of vacuum cocks, bushings, and valve. 

Dimethicone 5000 will not be cured by high compression with a relative high compressibility and can be used as liquid springs of aircraft and used for eliminating flutter in the buffer, shock absorption system to maintain the stability of the gauge pointer in aircraft cabin and damping of damper device. 
Because of its non-corrosiveness on metal and long lifespan, Dimethicone 5000 is widely used as hydraulic pressure fluid in various kinds of delivery systems such as being the hydraulic pressure fluid of aircraft landing gear, flaps, doors, and speed brakes

Because of its small density, low viscosity, it can decrease the weight of the hydraulic pressure systems of the aircraft system by 45% compared with the mineral oil system.
Dimethicone 5000 is heat resistant and can be used as the heat transfer medium of-50~250 ℃

Dimethicone 5000 does not absorb moisture and has excellent electrical insulation and can resist high temperature to be used as a dielectric liquid for being applied to the capacitors and the miniature transformer of encapsulating and impregnating. 
Dimethicone 5000 is permeable to visible light and can be coated to the lens and optical glass to improve the light transmission properties

its being coated to the motion picture film can reduce the friction and extend the lifespan of the film
Dimethicone 5000 has a good water resistance and can be used for processing wool, rayon, nylon, cotton fabric and can be used for making waterproof fabric

Dimethicone 5000 has a low surface tension and can be used for plastic and rubber mold releasing agents; in the food and textile industry, it can be used in defoamers. 
Dimethicone 5000 is non-toxic with physiologically inertia and can be used for the treatment of flatulence and can also play a role of skin care when added to cosmetics.


PHYSICAL PROPERTIES: 

-Molecular Weight: 236.53    

-Exact Mass: 236.10840961    

-Monoisotopic Mass: 236.10840961    

-Topological Polar Surface Area: 18.5 Ų    

-Physical Description: Colorless odorless liquid

-Color: Colorless

-Form: Oily Liquid

-Odor: Odorless

-Viscosity: 10 cu mm/S

-Surface Tension: 20.0 dyne/cm

-Density: 1 g/mL at 20 °C

-Vapor Pressure: 3.34 mm Hg ( 20 °C)

-Refractive Index: n20/D 1.406

-Flash Point: 121 °C


Dimethicone 5000 is a medium viscosity fluid. 
Dimethicone 5000 is an organosiloxane that is trisiloxane in which all the hydrogens have been replaced by methyl groups.

Dimethicone 5000 is an excellent emulsifier for water-in-oil and water-in-silicone systems in Skin Care, Sun Care and Decorative Cosmetics.
Dimethicone 5000 is used as conditioning agent. 


CHEMICAL PROPERTIES: 
    
-Hydrogen Bond Donor Count: 0    

-Hydrogen Bond Acceptor Count: 2    

-Rotatable Bond Count: 4

-Heavy Atom Count: 13    

-Formal Charge: 0    

-Complexity: 149    

-Isotope Atom Count: 0    

-Defined Atom Stereocenter Count: 0    

-Undefined Atom Stereocenter Count: 0    

-Defined Bond Stereocenter Count: 0    

-Undefined Bond Stereocenter Count: 0    

-Covalently-Bonded Unit Count: 1    

-Compound Is Canonicalized: Yes

-Chemical Classes: Metals -> Metalloid Compounds (Silicon)


Dimethicone 5000 is used in hair repairing products, skin care for skin protection & softness and sun care for water-resistance effect. 
Dimethicone 5000 is a high-molecular weight linear polydimethylsiloxane fluid. 

Dimethicone 5000 is also known as methyl silicone oil and polydimethylsiloxane liquid. 
Dimethicone 5000 is soluble in benzene, toluene, xylene and ethyl ether, partially soluble in ethanol, butanol and acetone, insoluble in cyclohexanol, methanol, paraffin oil and vegetable oil. 

Dimethicone 5000 widely used in insulation, heat, moisture-proof filler, defoamer, mold release agent, lubricant and surface treatment agent. 
Dimethicone 5000 is produced by the reaction between octamethylcyclotetrasiloxane and hexamethyldisiloxane in the presence of concentrated sulfuric acid or tetramethylammonium hydroxide catalyst.

Dimethicone 5000 is a linear monomethyl polysiloxane. 
Dimethicone 5000 is an excellent emulsifier for water-in-oil and water-in-silicone systems in skincare, suncare and decorative cosmetics.
Dimethicone 5000 is a kind of colorless, odorless, non-toxic, transparent, non-volatile liquid with non-corrosive effect on metal, low freezing point and good anti-water property and moisture resistance, low surface tension and being capable of being resistant to dilute acids and bases and has wide application in various national economy departments.


SYNONYMS: 

SILICONE FLUID
dimeticone
POLYMETHYLSILOXANE
DIMETHICONE 350
DIMETHYL SILICONE
POLYDIMETHYLSILOXAN
Polysilane
Dimeticone CRS
OCTAMETHYLTRISILOXANE
107-51-7
Trisiloxane, octamethyl-
Poly(dimethylsiloxane)
1,1,1,3,3,5,5,5-Octamethyltrisiloxane
Dimeticone
dimethyl-bis(trimethylsilyloxy)silane
Dimethicone 350
63148-62-9
Pentamethyl(trimethylsilyloxy)disiloxane
Dimethylbis(trimethylsiloxy)silane
Trisiloxane, 1,1,1,3,3,5,5,5-octamethyl-
Dimethylbis(trimethylsilyloxy)silane
Dimethicones
Poly(dimethylsiloxane), hydroxy terminated
Poly(dimethylsiloxane), trimethylsiloxy terminated
EINECS 203-497-4
dimeticonum
Dimeticona
FRD 20
Ctamethyltrisiloxane
MFCD00008264
Pentamethyl(trimethylsiloxy)disiloxane
octamethyl-trisiloxane
PDMS
dimethicone macromolecule
VOLASIL DM-1
Silicon Oil for Oil Bath
TRISILOXANE [INCI]
DM-FLUID 1.0CS
EC 203-497-4
Octamethyltrisiloxane, 98%
OS 20 (SILOXANE)
Siliconoil Pharma 100 cSt.
Dimethyl polysiloxane, bis(trimethylsilyl)-terminated
KF 96A1
OCTAMETHYLTRISILOXANE [MI]
dimethylbis(trimethylsiloxy)siliane
Polydimethylsiloxane, 1000 cSt.
alpha-(Trimethylsilyl)-omega-methylpoly(oxy(dimethylsilylene))
[(CH3)3SiO]2Si(CH3)2
Silane, dimethylbis(trimethylsiloxy)-
J-001906
Poly(dimethylsiloxane), viscosity 1.0 cSt (25 C)
Q2013799
XIAMETER(R) PMX-200 Silicone Fluid 20 CS
2,2,4,4,6,6-hexamethyl-3,5-dioxa-2,4,6-trisilaheptane
28349-86-2
Polydimethylsiloxane
DIETHYL ETHER RECTIFIED
ETHYL ACETATE PESTINORM SUPRA TRACE;SILICONE FLUID
2,2,4,4-TETRAMETHYL-3-OXA-2,4-DISILAPENTANE
BIS(TRIMETHYLSILYL)ETHER
Hexamethyloxy disilane
HMDO
dimethylsilicone fluid
 

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