Polysiloxanes, di-Me

Product Information

Description
Polydimethylsiloxane (PDMS) belongs to a group of polymeric organosilicon compounds that are commonly referred to as silicones. PDMS is the most widely used silicon-based organic polymer, and is particularly known for its unusual rheological (or flow) properties. PDMS is optically clear, and, in general, inert, non-toxic, and non-flammable. It is also called dimethicone and is one of several types of silicone oil (polymerized siloxane). Its applications range from contact lenses and medical devices to elastomers; it is also present in shampoos (as dimethicone makes hair shiny and slippery), food (antifoaming agent), caulking, lubricants, kinetic sand, and heat-resistant tiles.
Synonyms
Siloxanes and Silicones, di-Me; Polon MF 32; Polydimethylsiloxanes; Polysiloxanes, di-Me siloxane; Polysiloxanes, dimethyl
Flash Point
300ºC
Density
0.9 g/cm3
Solubility
1.44e-07 M;Immiscible with water;Immiscible with alcohol;Miscible with chloroform; soluble in chlorinated hydrocarbons, benzene, toluene, xylene, n-hexane, petroleum spirits, ether, amyl acetate; very slightly soluble in isopropyl alcohol; insoluble in methanol, acetone
Appearance
Clear, colorless liquid
Application
Used as a base for extreme temperature silicone oils/fluids and as a foam suppressant in petroleum lubricating oils; Used mainly to make polydimethylsiloxane (PDMS) polymers, oligomers, and mixtures; Also used to make basic chemicals, paints, coatings, adhesives, soaps, cleaning compounds, toiletries, plastics, semiconductors, and other electronic components, and in building construction, lubricants, diluents, solvents, and cosmetics.
Storage
Keep away from sources of ignition. Store in a cool, dry place. Store in a tightly closed container.
Refractive Index
1.403-1.406
Stability
Stable. Incompatible with strong oxidizing agents.
LogP
-0.32720
Vapor Pressure
3.34 mmHg
ViscosityDescription
viscosity 10 cSt (25 °C) Density is 0.93 g/mL at 25 °C.
Silicone oil has been used as an intraocular liquid in the treatment of retinal detachments. It may also be used as a two phase partitioning bioreactor to treat gas effluents.
viscosity 5 cSt (25 °C) Density is 0.913 g/mL at 25 °C. Low viscosity silicone oil has been used to prepare cellulose based electrorheological particles for medical devices. The diffusive behavior of spreading of a silicone oil polymer on solid surfaces was studied. It was also used to investigate Marangoni flow. induced by two liquid droplets on a solid surface. exposed in air. Many diverse applications of silicone oil are as heat exchangers, hydrophobic coating of glass, ceramics, textiles and leathers, component of salves.
viscosity 20 cSt (25 °C) Density is 0.95 g/mL at 25 °C. Silicone oil can be used for a variety of usages such as lubricants, antiflatulent agents, dielectric coolants, and cosmetic additives.
viscosity 50 cSt (25 °C) Density is 0.96 g/mL at 25 °C.
viscosity 100 cSt (25 °C) Density is 0.96 g/mL at 25 °C. Silicone oil can be used for a variety of application such as: development of magnetorheological elastomer for force sensors. a cosmetic additive, a dielectric coolant, a lubricant and antiflatulent agent.
viscosity 1.000 cSt (25 °C) Density is 0.97 g/mL at 25 °C. Silicone oil can be used for a wide range of applications such as: heat transferring medium in chemical and petrochemical industries, a dielectric coolant, protective coatings for building materials, a cosmetic additive.
viscosity 350 cSt (25 °C) Density is 0.968 g/mL at 25 °C. Silicone oil can be used for a variety of applications such as: heat transferring medium in chemical and petrochemical industries, a dielectric coolant, a lubricant and antiflatulent agent, protective coatings for building materials, a cosmetic additive.
viscosity 500 cSt (25 °C) Density is 0.97 g/mL at 25 °C. Silicone oil can be used for a variety of application such as: heat transferring medium in chemical and petrochemical industries, a dielectric coolant, a lubricant and antiflatulent agent. protective coatings for construction materials. a cosmetic additive.
viscosity 10.000 cSt (25 °C) Density is 0.971 g/mL at 25 °C. Silicone oil can be used for applications such as: protective coatings for building materials. a cosmetic additive, a dielectric coolant, a lubricant and antiflatulent agent.
viscosity 100.000 cSt (25 °C) Density is 0.971 g/mL at 25 °C.
viscosity 30.000 cSt (25 °C) Density is 0.971 g/mL at 25 °C.

Computed Properties

Hydrogen Bond Donor Count
0
Hydrogen Bond Acceptor Count
2
Rotatable Bond Count
4
Exact Mass
236.10840961 g/mol
Monoisotopic Mass
236.10840961 g/mol
Topological Polar Surface Area
18.5Ų
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

Patents

Publication Number Title Priority Date
WO-2015075281-A1 Polyurethane urea solutions for cosmetic compositions 2014-08-05
US-2015374609-A1 Personal Care Compositions and Methods 2014-06-30
US-2015382465-A1 Systems and methods for implementing display drivers 2014-06-25
US-2015366798-A1 Pharmaceutical adhesive compositions for treatment of epistaxis and methods of use thereof 2014-06-19
EP-2957340-A1 Xerogel production method 2014-06-17
US-2015364115-A1 Apparatus and method for adaptive light modulator transition delay compensation 2014-06-12
WO-2015189762-A2 Organic resin laminate 2014-06-12
WO-2015189047-A1 Cosmetic compositions for bleaching the skin 2014-06-11
US-2015352025-A1 Compositions and Methods for Providing Long Wearing Film to Keratin Surfaces 2014-06-09
WO-2015191365-A1 Compositions and methods for providing long wearing film to keratin surfaces 2014-06-09

Literatures

PMID Publication Date Title Journal
29156398 2018-02-01 Spontaneous hair follicle germ (HFG) formation in vitro, enabling the large-scale production of HFGs for regenerative medicine Biomaterials
23078875 2013-01-01 Microfluidic radiolabeling of biomolecules with PET radiometals Nuclear medicine and biology
22842033 2012-12-01 PDMS(star)-PEG hydrogels prepared via solvent-induced phase separation (SIPS) and their potential utility as tissue engineering scaffolds Acta biomaterialia
22921992 2012-12-01 Wireless platform for controlled nitric oxide releasing optical fibers for mediating biological response to implanted devices Nitric oxide : biology and chemistry
23073464 2012-11-28 How membrane permeation is affected by donor delivery solvent Physical chemistry chemical physics : PCCP
23032697 2012-11-21 Reactive deposition of nano-films in deep polymeric microcavities Lab on a chip
22960653 2012-11-07 An integrated PCR microfluidic chip incorporating aseptic electrochemical cell lysis and capillary electrophoresis amperometric DNA detection for rapid and quantitative genetic analysis Lab on a chip
22851470 2012-11-02 The intrinsic mechanical properties of rubrene single crystals Advanced materials (Deerfield Beach, Fla.)
22950722 2012-10-23 New approaches for bottom-up assembly of tobacco mosaic virus-derived nucleoprotein tubes on defined patterns on silica- and polymer-based substrates Langmuir : the ACS journal of surfaces and colloids
22967096 2012-10-16 Detection of total and A1c-glycosylated hemoglobin in human whole blood using sandwich immunoassays on polydimethylsiloxane-based antibody microarrays Analytical chemistry
The molarity calculator equation

Mass (g) = Concentration (mol/L) × Volume (L) × Molecular Weight (g/mol)

The dilution calculator equation

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)

This equation is commonly abbreviated as: C1V1 = C2V2

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