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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92231 1,1,3,3-Tetramethyldisiloxane produced by Wacker Chemie AG, Burghausen, Germany, ≥98.0% (GC) C4H14OSi2
235733 1,1,3,3-Tetramethyldisiloxane 97% C4H14OSi2
512990 2,4,6,8-Tetramethylcyclotetrasiloxane ≥98.5%, ≥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 Hexamethyldisiloxane 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
235695 Octamethylcyclotetrasiloxane 98% C8H24O4Si4
540196 2,4,6-Triethyl-2,4,6-trimethylcyclotrisiloxane 97% C9H24O3Si3
370908 Tris(trimethylsiloxy)silane ≥98% C9H28O3Si4
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
795402 3-[Tris(trimethylsiloxy)silyl]propyl vinyl carbamate ≥94% C15H37NO5Si4
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