Silanol Terminated Polydimethylsiloxane

Silanol Terminated Polydimethylsiloxane Basic information
Product Name:Silanol Terminated Polydimethylsiloxane
Synonyms:SILICON PS 347.5;SILANOL TERMINATED POLYDIMETHYLSILOXANE;SILANOL TERMINATED POLYDIMETHYLSILOXANE,18000CS;SILANOL TERMINATED POLYDIMETHYLSILOXANES;PS 347.5;POLYDIMETHYLSILOXANE, DIHYDROXY TERMINATED;POLYDIMETHYLSILOXANE, SILANOL TERMINATED;baysilonc0.7
CAS:70131-67-8
MF:HOSi
MW:45.09284
EINECS:615-070-3
Product Categories:PDMS Elastomers/ResinsPolymer Science;Polysiloxanes;Self Assembly&Contact Printing;Silicones;Stamps for Nanoprint Lithography&Microcontact Printing;Polymer Science
Mol File:70131-67-8.mol
Silanol Terminated Polydimethylsiloxane Structure
Silanol Terminated Polydimethylsiloxane Chemical Properties
Melting point <-60°C
Boiling point 182 °C
density 0.98 g/mL at 25 °C
refractive index n20/D 1.406
Fp 155 °F
storage temp. 2-8°C
form Liquid
Specific Gravity0.97
Water Solubility Soluble in carbon tetrachloride, benzene, chloroform, diethyl ether, toluene and other organic solvents. Insoluble in water and ethanol.
InChIInChI=1S/HOSi/c1-2/h1H
InChIKeyXQSFXFQDJCDXDT-UHFFFAOYSA-N
SMILES[Si]O[H]
EPA Substance Registry SystemHydroxy-terminated dimethyl siloxanes and silicones (70131-67-8)
Safety Information
Hazard Codes Xi
Risk Statements 36/37/38
Safety Statements 23-24/25-36-26
WGK Germany 1
RTECS VW3157812
TSCA Yes
MSDS Information
Silanol Terminated Polydimethylsiloxane Usage And Synthesis
Chemical PropertiesSilanol Terminated Polydimethylsiloxane is a silicon-basedorganic polymer that is nontoxic, optically clear, inert, and inflammablematerial. It is widely used in heat-resistant lubricants, fire retardants,medical devices, and cosmetics. Polydimethylsiloxane is hydrophobic,cytocompatible, and viscoelastic which can be used to prepare water-repellentcoatings in the textile industry.
UsesPolydimethylsiloxane is frequently used in a liquid containing 4-5% silica gel, emulsifiers and preservatives. It is employed in applications like contact lenses, medical devices, elastomers, in shampoos, food (antifoaming agent), caulking, lubricants, kinetic sand , and heat-resistant tiles. PDMS is a common surfactant, component of defoamers and as an herbicidal penetran.
Silanol Terminated Polydimethylsiloxane Preparation Products And Raw materials
Raw materialsEMULSIFIER-->Octamethylcyclotetrasiloxane-->Amino-modified silicone oil
Aluminum acetylacetonate METHYL ISOCYANOACETATE TRIS(2,2,6,6-TETRAMETHYL-3,5-HEPTANEDIONATO)EUROPIUM(III) N-BUTYLISOCYANIDE PHENYLSELENOL Tris(2,4-pentanedionato)chroMiuM(III) DICHLORO(ETHYLENEDIAMINE)PLATINUM(II) SALCOMINE 2,4-PENTANEDIONE, SILVER DERIVATIVE 1,1,3,3-TETRAMETHYLBUTYL ISOCYANIDE Tosylmethyl isocyanide COBALT(II) ACETYLACETONATE Ethyl isocyanoacetate TERT-BUTYL ISOCYANIDE Ferric acetylacetonate COBALT ETHYLENE DIAMINE CHLORIDE Benzyl isocyanide TRIS(2,2,6,6-TETRAMETHYL-3,5-HEPTANEDIONATO)DYSPROSIUM(III)

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