Siloxanes

In the presence of a fluoride activator, siloxanes participate in Pd-catalyzed cross-coupling with aryl, alkenyl, and alkyl halides, yielding similar or better results than those of the analogous Suzuki or Stille reagents.

Siloxanes are used in the preparation of the polysiloxane class of high performance protective coatings. Other chemical applications of siloxanes include their use as reagents in silylation, vinylation of a broad range of aryl iodides, and Tamao–Fleming oxidation reactions, and in the preparation of organosilanes.

Learn More about Siloxanes
Aldrichimica Acta Review: Organosilicon Reagents

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Molecular Formula

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92231 1,1,3,3-Tetramethyldisiloxane produced by Wacker, ≥98.0% (GC) C4H14OSi2
    • 235733 1,1,3,3-Tetramethyldisiloxane 97% C4H14OSi2
    • 512990 2,4,6,8-Tetramethylcyclotetrasiloxane ≥99.5%, ≥99.999% trace metals basis C4H16O4Si4
    • 270199 2-Chloroethoxytrimethylsilane 98% C5H13ClOSi
    • 76840 Pentamethyldisiloxane ≥95.0% C5H16OSi2
    • 517801 2,4,6,8,10-Pentamethylcyclopentasiloxane 96% C5H20O5Si5
    • 69465 Dimethoxy-methyl(3,3,3-trifluoropropyl)silane ≥97.0% (GC) C6H13F3O2Si
    • 292036 (Chloromethyl)-isopropoxy-dimethylsilane 97% C6H15ClOSi
    • 597546 (Chloromethyl)methyldiethoxysilane 97% C6H15ClO2Si
    • 380393 Isopropoxytrimethylsilane 98% C6H16OSi
    • 380385 Trimethyl(propoxy)silane 98% C6H16OSi
    • 52630 Hexamethyldisiloxane puriss., ≥98.5% (GC) C6H18OSi2
    • 326739 Hexamethyldisiloxane NMR grade, ≥99.5% C6H18OSi2
    • 205389 Hexamethyldisiloxane ≥98% C6H18OSi2
    • 469300 Poly(dimethylsiloxane) viscosity 0.65 cSt (25 °C) C6H18OSi2
    • 235687 Hexamethylcyclotrisiloxane 98% C6H18O3Si3
    • 448621 1,1,3,3,5,5-Hexamethyltrisiloxane 95% C6H20O2Si3
    • 370886 1,1,1,3,5,5,5-Heptamethyltrisiloxane 97% C7H22O2Si3
    • 371904 1,3-Divinyltetramethyldisiloxane 97% C8H18OSi2
    • 483427 1,3-Diethoxy-1,1,3,3-tetramethyldisiloxane 97% C8H22O3Si2
    • 384372 1,7-Dichloro-octamethyltetrasiloxane 95% C8H24Cl2O3Si4
    • 235709 Octamethyltrisiloxane 98% C8H24O2Si3
    • 469319 Poly(dimethylsiloxane) viscosity 1.0 cSt (25 °C) C8H24O2Si3
    • 74811 Octamethylcyclotetrasiloxane purum, ≥99.0% (GC) C8H24O4Si4
    • 235695 Octamethylcyclotetrasiloxane 98% C8H24O4Si4
    • 74813 1,1,1,3,5,7,7,7-Octamethyltetrasiloxane technical, ≥95% (GC) C8H26O3Si4
    • 540196 2,4,6-Triethyl-2,4,6-trimethylcyclotrisiloxane 97% C9H24O3Si3
    • 370908 Tris(trimethylsiloxy)silane ≥98% C9H28O3Si4
    • 454893 1,3-Dimethyltetravinyldisiloxane 97% C10H18OSi2
    • 235679 Decamethyltetrasiloxane 97% C10H30O3Si4
    • 444278 Decamethylcyclopentasiloxane 97% C10H30O5Si5
    • 440582 1,3-Bis(3-cyanopropyl)tetramethyldisiloxane 97% C12H24N2OSi2
    • 396281 2,4,6,8-Tetramethyl-2,4,6,8-tetravinylcyclotetrasiloxane C12H24O4Si4
    • 448648 Tris(dimethylsiloxy)phenylsilane 96% C12H26O3Si4
    • 447269 Dodecamethylpentasiloxane 97% C12H36O4Si5
    • CDS000292 2,2,4,4,6,6,8,8,10,10,12,12-Dodecamethylcyclohexasiloxane AldrichCPR C12H36O6Si6
    • 573922 1,1,1,3,5,7,7,7-Octamethyl-3,5-bis(trimethylsilanyloxy)tetrasiloxane 98% C14H42O5Si6
    • 14845 1,3-Bis(3-glycidyloxypropyl)tetramethyldisiloxane ≥95.0% (GC) C16H34O5Si2
    • 520004 1,3-Dicyclohexyl-1,1,3,3-tetrakis(dimethylsilyloxy)disiloxane C20H50O5Si6
    • 92790 2,4,6-Trimethyl-2,4,6-triphenylcyclotrisiloxane technical, mixture of isomers of cis and trans C21H24O3Si3
    • 303658 (+)-3′,5′-O-(1,1,3,3-Tetraisopropyl-1,3-disiloxanediyl)cytidine 97% C21H39N3O6Si2
    • 523615 1,1,3,3-Tetramethyl-1,3-bis[2-(5-norbornen-2-yl)ethyl]disiloxane, mixture of endo and exo C22H38OSi2
    • 523593 1,1,3,3,5,5-Hexamethyl-1,5-bis[2-(5-norbornen-2-yl)ethyl]trisiloxane mixture of endo and exo C24H44O2Si3
    • 520012 1,3-Dicyclohexyl-1,1,3,3-tetrakis(dimethylvinylsilyloxy)disiloxane C28H58O5Si6
    • 534463 1,3,5,7,9,11,14-Heptaisobutyltricyclo[7.3.3.15,11]heptasiloxane-endo-3,7,14-triol 97% C28H66O12Si7
    • 534447 1,3,5,7,9,11-Octaisobutyltetracyclo[7.3.3.15,11]octasiloxane-endo-3,7-diol 97% C32H74O13Si8
    • 52912 Hexaphenyldisiloxane technical, ≥90% (HPLC) C36H30OSi2
    • 483168 Hexaphenylcyclotrisiloxane C36H30O3Si3
    • 534455 1,3,5,7,9,11-Octacyclopentyltetracyclo[7.3.3.15,11]octasiloxane-endo-3,7-diol C40H74O13Si8
    • 477672 1,3,5,7,9,11,14-Heptacyclohexyltricyclo[7.3.3.15,11]heptasiloxane-3,7,14-triol 97% C42H80O12Si7
    • 527378 1,3-Dicyclohexyl-1,1,3,3-tetrakis[(norbornen-2-yl)ethyldimethylsilyloxy]disiloxane C56H98O5Si6