Bis(trimethylsiloxy)methylsilane supplier

Name
Bis(trimethylsiloxy)methylsilane
EINECS 217-496-1
CAS No. 1873-88-7
Article Data18
CAS DataBase
Density 0.819 g/cm³
Solubility Miscible with acetone, ethanol, diethyl ether. Insoluble in water.
Melting Point <0 °C
Formula C₇H₂₂O₂Si₃
Boiling Point 163.8 °C at 760 mmHg
Molecular Weight 222.507
Flash Point 52.8 °C
Transport Information UN 1993 3/PG 2
Appearance Colourless liquid
Safety 26-36
Risk Codes 10-36/37/38
Molecular Structure
Hazard Symbols Xi
Synonyms 1,1,1,3,5,5,5-Heptamethylsiloxane;1,1,1,3,5,5,5-Heptamethyltrisiloxane;2,2,4,6,6-Pentamethyl-3,5-dioxa-2,4,6-trisilaheptane;Bis(trimethylsilyloxy)methylsilane;Heptamethylhydrotrisiloxane;Methylbis(trimethylsiloxy)silane;Methylbis(trimethylsilyloxy)silane;SIB 1844;Di(trimethylsiloxy)methylsilane;
PSA 18.46000
LogP 2.53970

Synthetic route

: 75-54-7
Dichloromethylsilane

: 75-77-4
chloro-trimethyl-silane

: 1873-88-7
1,1,1,3,5,5,5-heptamethyltrisiloxan

Conditions

Conditions	Yield
With Methamphetamin In diethyl ether for 1h;	68%
With water

: 75-54-7
Dichloromethylsilane

: 18027-10-6
sodium trimethylsilanolate

: 1873-88-7
1,1,1,3,5,5,5-heptamethyltrisiloxan

Conditions

Conditions	Yield
In diethyl ether for 10h; Heating;	59%

: 75-54-7
Dichloromethylsilane

: 1066-40-6
Trimethylsilanol

: 1873-88-7
1,1,1,3,5,5,5-heptamethyltrisiloxan

Conditions

Conditions	Yield
With pyridine In hexane at -30 - 20℃; for 16h;	34%

: 99532-16-8
bis(trimethylsiloxy)(trimethylsilyl)methylsilane

A: 1873-88-7
1,1,1,3,5,5,5-heptamethyltrisiloxan

B: 107-51-7
Octamethyltrisiloxane

Conditions

Conditions	Yield
at 850℃;	A 14% B 10%

: 75-54-7
Dichloromethylsilane

: 107-46-0
Hexamethyldisiloxane

: 1873-88-7
1,1,1,3,5,5,5-heptamethyltrisiloxan

Conditions

Conditions	Yield
In hexane

: 107-46-0
Hexamethyldisiloxane

: 6166-86-5
1,3,5,7,9-pentamethylcyclopentasiloxane

: 1873-88-7
1,1,1,3,5,5,5-heptamethyltrisiloxan

: 75-54-7
Dichloromethylsilane

: 75-77-4
chloro-trimethyl-silane

A: 1873-88-7
1,1,1,3,5,5,5-heptamethyltrisiloxan

B: 16066-09-4
1,1,1,3,5,7,7,7-octamethyltetrasiloxane

C: 2370-88-9
2,4,6,8-tetramethylcyclotetrasiloxane

D: 17478-13-6
1,1,1,3,5,7,9,9,9-nonamethyl-pentasiloxane

E: 6166-86-5
1,3,5,7,9-pentamethylcyclopentasiloxane

F: 17998-54-8
polymethylhydrosiloxane

Conditions

Conditions	Yield
With water In toluene at 20℃; for 27h; Product distribution; hydrolytic copolycondensation depending on final concentration of hydrochloric acid; other dialkyldichlorosilanes;	A n/a B 6 % Chromat. C 4 % Chromat. D 3.5 % Chromat. E 3 % Chromat. F 2.0 % Chromat.

...Expand

: 75-54-7
Dichloromethylsilane

: 75-77-4
chloro-trimethyl-silane

: 1873-88-7
1,1,1,3,5,5,5-heptamethyltrisiloxan

Conditions

Conditions	Yield
With Methamphetamin In diethyl ether for 1h;	68%
With water

: 75-54-7
Dichloromethylsilane

: 18027-10-6
sodium trimethylsilanolate

: 1873-88-7
1,1,1,3,5,5,5-heptamethyltrisiloxan

Conditions

Conditions	Yield
In diethyl ether for 10h; Heating;	59%

: 75-54-7
Dichloromethylsilane

: 1066-40-6
Trimethylsilanol

: 1873-88-7
1,1,1,3,5,5,5-heptamethyltrisiloxan

Conditions

Conditions	Yield
With pyridine In hexane at -30 - 20℃; for 16h;	34%

: 99532-16-8
bis(trimethylsiloxy)(trimethylsilyl)methylsilane

A: 1873-88-7
1,1,1,3,5,5,5-heptamethyltrisiloxan

B: 107-51-7
Octamethyltrisiloxane

Conditions

Conditions	Yield
at 850℃;	A 14% B 10%

: 75-54-7
Dichloromethylsilane

: 107-46-0
Hexamethyldisiloxane

: 1873-88-7
1,1,1,3,5,5,5-heptamethyltrisiloxan

Conditions

Conditions	Yield
In hexane

: 107-46-0
Hexamethyldisiloxane

: 6166-86-5
1,3,5,7,9-pentamethylcyclopentasiloxane

: 1873-88-7
1,1,1,3,5,5,5-heptamethyltrisiloxan

: 75-54-7
Dichloromethylsilane

: 75-77-4
chloro-trimethyl-silane

A: 1873-88-7
1,1,1,3,5,5,5-heptamethyltrisiloxan

B: 16066-09-4
1,1,1,3,5,7,7,7-octamethyltetrasiloxane

C: 2370-88-9
2,4,6,8-tetramethylcyclotetrasiloxane

D: 17478-13-6
1,1,1,3,5,7,9,9,9-nonamethyl-pentasiloxane

E: 6166-86-5
1,3,5,7,9-pentamethylcyclopentasiloxane

F: 17998-54-8
polymethylhydrosiloxane

Conditions

Conditions	Yield
With water In toluene at 20℃; for 27h; Product distribution; hydrolytic copolycondensation depending on final concentration of hydrochloric acid; other dialkyldichlorosilanes;	A n/a B 6 % Chromat. C 4 % Chromat. D 3.5 % Chromat. E 3 % Chromat. F 2.0 % Chromat.

...Expand

: 75-54-7
Dichloromethylsilane

: 75-77-4
chloro-trimethyl-silane

A: 1873-88-7
1,1,1,3,5,5,5-heptamethyltrisiloxan

B: 16066-09-4
1,1,1,3,5,7,7,7-octamethyltetrasiloxane

C: 2370-88-9
2,4,6,8-tetramethylcyclotetrasiloxane

D: 6166-86-5
1,3,5,7,9-pentamethylcyclopentasiloxane

Conditions

Conditions	Yield
With water In toluene at 20℃; for 27h; Further byproducts given;	A 21 % Chromat. B n/a C 3 % Chromat. D 1.5 % Chromat.

...Expand

: 1438-82-0
1,1,1,3,3-pentamethyl-1,3-disiloxane

A: 107-46-0
Hexamethyldisiloxane

B: 1873-88-7
1,1,1,3,5,5,5-heptamethyltrisiloxan

C: 107-51-7
Octamethyltrisiloxane

D: 141-62-8
decamethyltetrasiloxane

E: 2895-07-0
1,1,1,3,3,5,5-heptamethyltrisiloxane

F: 77606-50-9
M2DDH

Conditions

Conditions	Yield
With bis(triphenylphosphine)carbonyliridium(I) chloride In benzene at 70℃; for 116h; Product distribution; other siloxanes;

...Expand

: 75-54-7
Dichloromethylsilane

: 110-54-3
hexane

: 107-46-0
Hexamethyldisiloxane

ice: ice

A: 1873-88-7
1,1,1,3,5,5,5-heptamethyltrisiloxan

B: 16066-09-4
1,1,1,3,5,7,7,7-octamethyltetrasiloxane

C: 17478-13-6
1,1,1,3,5,7,9,9,9-nonamethyl-pentasiloxane

D: 17998-54-8
polymethylhydrosiloxane

Conditions

Conditions	Yield
Behandeln des Reaktionsprodukts mit konz.H2SO4; Produkt 5: Tris-trimethylsiloxy-methyl-silan;

...Expand

: 107-46-0
Hexamethyldisiloxane

poly(hydrogenmethyl)siloxan: poly(hydrogenmethyl)siloxan

: 1873-88-7
1,1,1,3,5,5,5-heptamethyltrisiloxan

Conditions

Conditions	Yield
With Lewatit SPC 118 at 90℃; for 4h;

: 75-54-7
Dichloromethylsilane

: 107-46-0
Hexamethyldisiloxane

A: 1873-88-7
1,1,1,3,5,5,5-heptamethyltrisiloxan

B 1.1.1.3.5.7.7.7-octamethyl-tetrasiloxane and 1.1.1.3.5.7.9.9.9-nonamethyl-pentasiloxane and 1.1.1.3.5.7.9.11.11.11-decamethyl-hexasiloxane: 1.1.1.3.5.7.7.7-octamethyl-tetrasiloxane and 1.1.1.3.5.7.9.9.9-nonamethyl-pentasiloxane and 1.1.1.3.5.7.9.11.11.11-decamethyl-hexasiloxane

Conditions

Conditions	Yield
With hexane; Methamphetamin Behandlung des Reaktionsprodukts mit konz.H2SO4;

...Expand

: 75-54-7
Dichloromethylsilane

: 107-46-0
Hexamethyldisiloxane

A: 1873-88-7
1,1,1,3,5,5,5-heptamethyltrisiloxan

B: 16066-09-4
1,1,1,3,5,7,7,7-octamethyltetrasiloxane

C: 17478-13-6
1,1,1,3,5,7,9,9,9-nonamethyl-pentasiloxane

D: 17998-54-8
polymethylhydrosiloxane

Conditions

Conditions	Yield
With H2O In hexane; water addn. of (CH3)HSiCl2 to ice, (CH3)3SiOSi(CH3)3 and hexane; stirring of the mixt. with concd. H2SO4 at room temp. for 2 h;;
With water In hexane; water addn. of (CH3)HSiCl2 to ice, (CH3)3SiOSi(CH3)3 and hexane; stirring of the mixt. with concd. H2SO4 at room temp. for 2 h;;
With H2O In hexane; water addn. of (CH3)HSiCl2 to ice, (CH3)3SiOSi(CH3)3 and hexane; stirring of the mixt. with concd. H2SO4 at room temp. for 2 h;;

...Expand

: 992-94-9
methylsilane

: 107-46-0
Hexamethyldisiloxane

: 1873-88-7
1,1,1,3,5,5,5-heptamethyltrisiloxan

Conditions

Conditions	Yield
With sulfuric acid at 20℃; for 4h;

: 111-66-0
oct-1-ene

: 1873-88-7
1,1,1,3,5,5,5-heptamethyltrisiloxan

: 17955-88-3
3-n-octyl-1,1,1,3,5,5,5-heptamethyltrisiloxane

Conditions

Conditions	Yield
With tetradecyl(tributyl)phosphonium bis(trifluoromethylsulfonyl)amide; C24H20Cl2P2Pt at 100℃; for 1h; Reagent/catalyst;	100%
With tetradecyl(tributyl)phosphonium bis(trifluoromethylsulfonyl)amide; bis(cyclooctadiene (μ-silyloxytrimethyl) rhodium(I)) at 110℃; for 1h; Catalytic behavior; Reagent/catalyst; Time;	100%
With nickel 2-ethylhexanoate; 1,4-bis(2,6-diisopropylphenyl)-2,3-dimethyl-1,4-diazabuta-1,3-diene In neat (no solvent) at 23℃; for 6h; regioselective reaction;	99%

: 1873-88-7
1,1,1,3,5,5,5-heptamethyltrisiloxan

: 78827-93-7
Tetraethylene Glycol Mono-2-methylallyl Ether

: C19H46O7Si3

Conditions

Conditions	Yield
platinum(0)-1,3-divinyl-1,1,3,3-tetramethyldisiloxane complex at 80 - 85℃; Inert atmosphere; Sodium propionate buffer;	100%

: 592-41-6
1-hexene

: 1873-88-7
1,1,1,3,5,5,5-heptamethyltrisiloxan

: 1873-90-1
3-n-hexyl-1,1,1,3,5,5,5-heptamethyltrisiloxane

Conditions

Conditions	Yield
With 1,3-bis(tert-buthylethynyl)-1,1,3,3-tetramethyldisiloxane platinum (0) at 50℃; for 16h; Time; Reagent/catalyst;	100%
With C27H55NOPtSi5 In benzene-d6; toluene at 50℃; for 5h; Reagent/catalyst; Concentration; Schlenk technique; Inert atmosphere;	95%
With C24H33N2ORh In tetrahydrofuran at 20℃; for 24h; Time; Inert atmosphere; Glovebox; regioselective reaction;	86%

: 1873-88-7
1,1,1,3,5,5,5-heptamethyltrisiloxan

: 5356-85-4
methylbis(trimethylsilyloxy)vinylsilane

: 31576-63-3
C16H44O4Si6

Conditions

Conditions	Yield
With [Fe(CO)3{(H2C=CHSiMe2O)3SiMe}] at 20℃; for 20h; Catalytic behavior; Reagent/catalyst; Time; Temperature; Concentration; Inert atmosphere; Schlenk technique;	100%
With [Fe(CO)3{(H2C=CHSiMe2)2O}] In decane; toluene at 80℃; for 0.166667h; Reagent/catalyst; Inert atmosphere;	100%

: 1873-88-7
1,1,1,3,5,5,5-heptamethyltrisiloxan

: 536-74-3
phenylacetylene

: 198623-99-3
(E)-1,1,1,3,5,5,5-heptamethyl-3-styryltrisiloxane

Conditions

Conditions	Yield
With C24H23ClCrIrNO3 In 1,1,2,2-tetrachloroethane at 60℃; for 40h; Catalytic behavior; Inert atmosphere; Schlenk technique; regioselective reaction;	100%

: 1873-88-7
1,1,1,3,5,5,5-heptamethyltrisiloxan

: 100342-30-1
thiophene-2-sulfonic acid tert-butylamide

: C15H33NO4S2Si3

Conditions

Conditions	Yield
With norborn-2-ene; (1,5-cyclooctadiene)(methoxy)iridium(I) dimer; 2.9-dimethyl-1,10-phenanthroline In tetrahydrofuran at 100℃; for 6h; Inert atmosphere; Sealed tube; regioselective reaction;	100%

: 13679-41-9
3-phenylfuran

: 1873-88-7
1,1,1,3,5,5,5-heptamethyltrisiloxan

: C17H28O3Si3

Conditions

Conditions	Yield
Stage #1: 1,1,1,3,5,5,5-heptamethyltrisiloxan With (1,5-cyclooctadiene)(methoxy)iridium(I) dimer; C25H35N3; cyclohexene In tetrahydrofuran Inert atmosphere; Glovebox; Stage #2: 3-phenylfuran In tetrahydrofuran at 65℃; for 16h; Reagent/catalyst; Sealed tube; Inert atmosphere; regioselective reaction;	100%

: 1873-88-7
1,1,1,3,5,5,5-heptamethyltrisiloxan

: 103628-86-0
8-(allyloxyl)-1,1,1,2,2,3,3,4,4,5,5,6,6-tridecafluorooctane

: 3-(propenyloxy-1H,1H,2H,2H-perfluorooctyl)-1,1,1,3,5,5,5-heptamethyltrisiloxane

Conditions

Conditions	Yield
With dichloro(1,5-cyclooctadiene)platinum(ll) In dichloromethane; toluene at 82℃; for 24h;	99%

: 1873-88-7
1,1,1,3,5,5,5-heptamethyltrisiloxan

: 1333-74-0
hydrogen

Conditions

Conditions	Yield
With [Ir(H)(cis-cyclooctene)(CF3SO3)(bis(pyridine-2-yloxy)methylsilyl)]; water In neat (no solvent) at 20℃; Catalytic behavior;	99%
With TiO2 In tert-butyl alcohol Kinetics; 323 K;
With TiO2 In further solvent(s) Kinetics; 323 K, solvent was 2-butoxyethanol;
With TiO2 In isopropyl alcohol Kinetics; 323 K;

: 74-85-1
ethene

: 1873-88-7
1,1,1,3,5,5,5-heptamethyltrisiloxan

: 17861-60-8
3-ethyl-1,1,1,3,5,5,5-heptamethyltrisiloxane

Conditions

Conditions	Yield
With C22H34FeO2Si4 In toluene at 20℃; for 16h; Inert atmosphere; Schlenk technique;	99%
With C21H34FeO2Si4 In toluene at 20℃; under 760.051 Torr; for 5h; Schlenk technique;	93%

: 1873-88-7
1,1,1,3,5,5,5-heptamethyltrisiloxan

A: 5272-21-9
1,1,1,3,5,5,5-heptamethyltrisiloxan-3-ole

B: 1333-74-0
hydrogen

Conditions

Conditions	Yield
With [Ir(H)(cis-cyclooctene)(CF3SO3)(bis(pyridine-2-yloxy)methylsilyl)]; water In dichloromethane at 20℃; Catalytic behavior;	A 99% B 1 mmol

: 17249-80-8
3-chlorothiophene

: 1873-88-7
1,1,1,3,5,5,5-heptamethyltrisiloxan

: C18H43ClO4SSi6

Conditions

Conditions	Yield
With (1,5-cyclooctadiene)(methoxy)iridium(I) dimer; 2,4,7-trimethyl-1,10-phenanthroline In tetrahydrofuran; cyclohexane at 80℃; for 24h; Inert atmosphere; Glovebox; regioselective reaction;	99%

: 1873-88-7
1,1,1,3,5,5,5-heptamethyltrisiloxan

: 98-83-9
isopropenylbenzene

: 1,1,1,3,5,5,5-heptamethyl-3-(2-phenylpropyl)trisiloxane

Conditions

Conditions	Yield
With cobalt pivalate; 1-adamantanecarbonitrile In neat (no solvent) at 80℃; for 24h;	99%
With C40H72Co2N8 In neat (no solvent) at 50℃; for 24h;	99%
With cobalt pivalate; 1-adamantanecarbonitrile In neat (no solvent) at 80℃; for 3h; Reagent/catalyst;	99 %Spectr.
With (π-Me5C5)Si+B(C6F5)4- In dichloromethane-d2 at 25℃; for 23h; Solvent; Inert atmosphere;	> 98 %Chromat.
With chloroplatinic acid 1,1,3,3-tetramethyl-1,3-divinyldisiloxane complex In isopropyl alcohol at 80 - 100℃; for 3h;

: 405-99-2
para-fluorostyrene

: 1873-88-7
1,1,1,3,5,5,5-heptamethyltrisiloxan

: 1,1,1-3-5,5,5-heptamethyl-3-(2-(4-fluorophenyl)propyl)trisiloxane

Conditions

Conditions	Yield
With cobalt pivalate; 1-adamantanecarbonitrile In neat (no solvent) at 80℃; for 24h;	99%

: 1873-88-7
1,1,1,3,5,5,5-heptamethyltrisiloxan

: 541-73-1
1,3-Dichlorobenzene

: 1,1,1,3,5,5,5-heptamethyl-3-(3,5-dichlorophenyl)trisiloxane

Conditions

Conditions	Yield
With (1,5-cyclooctadiene)(methoxy)iridium(I) dimer; 2.9-dimethyl-1,10-phenanthroline In 1,4-dioxane at 100℃; for 6h; Catalytic behavior; Reagent/catalyst; Inert atmosphere; Sealed tube; regioselective reaction;	99%
With IrH3{κ3-P,O,P-[9,9-dimethyl-4,5-bis(diisopropylphosphino)xanthene]} In cyclohexene at 110℃; for 18h; Inert atmosphere; Glovebox;	94%
With (1,5-cyclooctadiene)(methoxy)iridium(I) dimer; 2,4,7-trimethyl-1,10-phenanthroline In tetrahydrofuran at 120℃; for 40h; Inert atmosphere; Sealed tube;	66%

: 1873-88-7
1,1,1,3,5,5,5-heptamethyltrisiloxan

: 214360-70-0
4,4,5,5-tetramethyl-2-thiophen-3-yl-[1,3,2]dioxaborolane

: C17H35BO4SSi3

Conditions

Conditions	Yield
Stage #1: 1,1,1,3,5,5,5-heptamethyltrisiloxan With (1,5-cyclooctadiene)(methoxy)iridium(I) dimer; C25H35N3; cyclohexene In tetrahydrofuran Inert atmosphere; Glovebox; Stage #2: 4,4,5,5-tetramethyl-2-thiophen-3-yl-[1,3,2]dioxaborolane In tetrahydrofuran at 65℃; for 26h; Reagent/catalyst; Sealed tube; Inert atmosphere; regioselective reaction;	99%

: 292638-84-7
styrene

: 1873-88-7
1,1,1,3,5,5,5-heptamethyltrisiloxan

: 3439-16-5
1,1,1,3,5,5,5-heptamethyl-3-phenethyltrisiloxane

Conditions

Conditions	Yield
With 1,3-bis(tert-buthylethynyl)-1,1,3,3-tetramethyldisiloxane platinum (0) at 100℃; for 24h; Reagent/catalyst;	98%
With 2,6-bis(1-(2,6-dimethylphenylimino)ethyl)pyridine; bis(cyclooctatetraene)(1-isocyanoadamantane)iron In neat (no solvent) at 80℃; for 23h; Reagent/catalyst;	92%
With bromopentacarbonylmanganese(I) In hexane at 20℃; for 4h; Schlenk technique; Inert atmosphere; Sealed tube; regioselective reaction;	90%

: 592-76-7
1-Heptene

: 1873-88-7
1,1,1,3,5,5,5-heptamethyltrisiloxan

: 14579-46-5
3-heptyl-1,1,1,3,5,5,5-heptamethyltrisiloxane

Conditions

Conditions	Yield
With 1,2,3-trimethylimidazolium methylsulphate; bis(cyclooctadiene (μ-silyloxytrimethyl) rhodium(I)) at 90℃; for 2h; Product distribution; Further Variations:; Catalysts; Reagents;	98%
With C77H70N2OPtSi2 In toluene at 80℃; for 24h; Catalytic behavior; Reagent/catalyst; Inert atmosphere; Schlenk technique; regioselective reaction;	95%
dihydrogen hexachloroplatinate In isopropyl alcohol Heating;
(1,5-cyclooctadiene)rhodium/Aerosil 200 at 100℃; for 1h;	98 % Chromat.

: 106-86-5
1,2-Epoxy-4-vinylcyclohexane

: 1873-88-7
1,1,1,3,5,5,5-heptamethyltrisiloxan

: 3-(2-(7-oxabicyclo[4.1.0]heptan-3-yl)ethyl)-1,1,1,3,5,5,5-heptamethyltrisiloxane

Conditions

Conditions	Yield
With graphene nanoplates-supported platinum nanoparticles In neat (no solvent) at 80℃; for 2h; Catalytic behavior;	98%
With dihydrogen hexachloroplatinate at 75 - 85℃; for 2h;	96%
With dihydrogen hexachloroplatinate at 75 - 85℃;	96%

: 78-10-4
tetraethoxy orthosilicate

: 1873-88-7
1,1,1,3,5,5,5-heptamethyltrisiloxan

: ethoxytris(1,1,1,3,5,5,5-heptamethyltrisilyloxy)silane

Conditions

Conditions	Yield
With tris(pentafluorophenyl)-borane In hexane; toluene at 60℃; for 0.5h;	98%

: 352-32-9
p-fluorotoluene

: 1873-88-7
1,1,1,3,5,5,5-heptamethyltrisiloxan

: 1583285-93-1
C14H27FO2Si3

Conditions

Conditions	Yield
With [Rh(coe)2OH]2; 3,4,5-MeO-MeO-BIPHEP; cyclohexene In tetrahydrofuran at 45℃; regioselective reaction;	98%

: 10353-53-4
1,2-epoxy-5-hexene

: 1873-88-7
1,1,1,3,5,5,5-heptamethyltrisiloxan

: 1,1,1,3,5,5,5-heptamethyl-3-(4-(oxiran-2-yl)butyl)trisiloxane

Conditions

Conditions	Yield
With [Rh(OH)cod]2 and diethylaminopropyltrimethoxysilane immobilized on SiO2 In neat (no solvent) at 40℃; for 2h;	98%

: 766-96-1
4-bromo-1-ethynylbenzene

: 1873-88-7
1,1,1,3,5,5,5-heptamethyltrisiloxan

: 3-[(1Z)-2-(4-bromophenyl)ethenyl]-1,1,1,3,5,5,5-heptamethyltrisiloxane

Conditions

Conditions	Yield
With [RuCl(CO)H(PCy3)2(1,3-bis(2,4,6-trimethylphenyl)-4,5-dihydroimidazol-2-ylidene)] In dichloromethane at 20℃; for 1h; Inert atmosphere; Schlenk technique; diastereoselective reaction;	98%

: 1873-88-7
1,1,1,3,5,5,5-heptamethyltrisiloxan

: 53601-12-0
1-vinyl-7-oxabicyclo<4.1.0>heptane

: C15H32O3Si3

Conditions

Conditions	Yield
With Pt-GPN (Pt on graphene nanoplatelet) In neat (no solvent) at 60℃; for 2h;	98%

: 108-37-2
1-bromo-3-chlorobenzene

: 1873-88-7
1,1,1,3,5,5,5-heptamethyltrisiloxan

: 3-(3-bromo-5-chlorophenyl)-1,1,1,3,5,5,5-heptamethyltrisiloxane

Conditions

Conditions	Yield
With (1,5-cyclooctadiene)(methoxy)iridium(I) dimer; 2.9-dimethyl-1,10-phenanthroline In 1,4-dioxane at 100℃; for 24h; Catalytic behavior; Reagent/catalyst; Inert atmosphere; Sealed tube; regioselective reaction;	98%

: 1873-88-7
1,1,1,3,5,5,5-heptamethyltrisiloxan

: 248924-59-6
3-furylboronic acid pinacol ester

: C17H35BO5Si3

Conditions

Conditions	Yield
Stage #1: 1,1,1,3,5,5,5-heptamethyltrisiloxan With (1,5-cyclooctadiene)(methoxy)iridium(I) dimer; C25H35N3; cyclohexene In tetrahydrofuran Inert atmosphere; Glovebox; Stage #2: 3-furylboronic acid pinacol ester In tetrahydrofuran at 80℃; for 20h; Reagent/catalyst; Sealed tube; Inert atmosphere; regioselective reaction;	98%

: 1873-88-7
1,1,1,3,5,5,5-heptamethyltrisiloxan

: [5,15-di-n-butyl-10-ethoxycarbonylmethylporphyrinato]zinc(II)

: [5,15-di-n-butyl-10-ethoxycarbonylmethyl-2-(1,1,1,3,5,5,5-heptamethyltrisiloxan-3-yl)porphyrinato]zinc(II)

Conditions

Conditions	Yield
With (1,5-cyclooctadiene)(methoxy)iridium(I) dimer; 4,4'-di-tert-butyl-2,2'-bipyridine In 1,4-dioxane at 95℃; for 24h; Inert atmosphere;	98%

: 106-92-3
Allyl glycidyl ether

: 1873-88-7
1,1,1,3,5,5,5-heptamethyltrisiloxan

: 7422-52-8
1,1,1,3,5,5,5-heptamethyl-3-(3-(oxiran-2-ylmethoxy)propyl)trisiloxane

Conditions

Conditions	Yield
With bis(1-butyl-4-methylpyridinium) hexachloroplatinate(IV) Reagent/catalyst;	97%
With C24H58OPtSi7 In benzene-d6; toluene at 50℃; for 5h; Reagent/catalyst; Schlenk technique;	95%
With cobalt nanoparticles In toluene for 7h; Inert atmosphere; UV-irradiation; Glovebox; Darkness;	95%

: 1873-88-7
1,1,1,3,5,5,5-heptamethyltrisiloxan

: 53326-60-6
2,2,9,9-tetramethyl-3,8-dioxa-2,9-disiladec-5-yne

: 128851-10-5
(1,4)-bis(trimethylsiloxy)-3-but-2-ene

Conditions

Conditions	Yield
With dihydrogen hexachloroplatinate at 120℃; for 5h;	97%
With dihydrogen hexachloroplatinate In isopropyl alcohol at 125 - 140℃;
With platinum(0)-1,3-divinyl-1,1,3,3-tetramethyldisiloxane complex In toluene at 100℃; for 6h; Green chemistry;

: 5390-04-5
pent-1-yn-5-ol

: 1873-88-7
1,1,1,3,5,5,5-heptamethyltrisiloxan

: 1032732-24-3
(E)-5-(bis(trimethylsilyloxy)(methyl)silyl)-4-penten-1-ol

Conditions

Conditions	Yield
N-heterocyclic carbene-based platinum(0) complex In toluene at 60℃; for 0.2h;	97%

Bis(trimethylsiloxy)methylsilane Specification

The Trisiloxane,1,1,1,3,5,5,5-heptamethyl- with CAS registry number of 1873-88-7 is also known as 1,1,1,3,5,5,5-Heptamethyltrisiloxane. The IUPAC name is Methyl-bis(trimethylsilyloxy)silicon. It belongs to product categories of Industrial/Fine Chemicals; Si (Classes of Silicon Compounds); Siloxanes; Si-O Compounds; Organometallic Reagents; Organosilicon. Its EINECS registry number is 217-496-1. In addition, the formula is C₇H₂₂O₂Si₃ and the molecular weight is 222.51. This chemical is a colourless liquid and should be stored in sealed containers in cool, dry place and away from oxidizing agents.

Physical properties about Trisiloxane,1,1,1,3,5,5,5-heptamethyl- are: (1)ACD/LogP: 5.32; (2)# of Rule of 5 Violations: 1; (3)ACD/LogD (pH 5.5): 5.32; (4)ACD/LogD (pH 7.4): 5.32; (5)ACD/BCF (pH 5.5): 6517.53; (6)ACD/BCF (pH 7.4): 6517.53; (7)ACD/KOC (pH 5.5): 18694.43; (8)ACD/KOC (pH 7.4): 18694.43; (9)#H bond acceptors: 2; (10)#Freely Rotating Bonds: 4; (11)Flash Point: 52.8 °C; (12)Enthalpy of Vaporization: 38.38 kJ/mol; (13)Boiling Point: 163.8 °C at 760 mmHg; (14)Vapour Pressure: 2.66 mmHg at 25 °C.

Preparation of Trisiloxane,1,1,1,3,5,5,5-heptamethyl-: it is prepared by reaction of dichloro-methyl-silane with chloro-trimethyl-silane. The reaction needs reagent ice and solvent diethyl ether for 1 hour. The yield is about 68%.

Trisiloxane,1,1,1,3,5,5,5-heptamethyl- is prepared by reaction of dichloro-methyl-silane with chloro-trimethyl-silane.

Uses of Trisiloxane,1,1,1,3,5,5,5-heptamethyl-: it can be used as surfactant, and widely used as additive of pesticide and paint. It is used to produce 3-(N-trimethylsilyl-3-aminopropyl)heptamethyltrisiloxane by reaction with allyl-trimethylsilanyl-amine. The reaction occurs with reagent H₂PtCl₆*6H₂O and solvent tetrahydrofuran at 120-145 °C. The yield is about 54%.

Trisiloxane,1,1,1,3,5,5,5-heptamethyl- is used to produce 3-(N-trimethylsilyl-3-aminopropyl)heptamethyltrisiloxane by reaction with allyl-trimethylsilanyl-amine.

When you are using this chemical, please be cautious about it. As a chemical, it is irritating to eyes, respiratory system and skin. Besides, it is flammable. During using it, wear suitable protective clothing. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.

You can still convert the following datas into molecular structure:
1. Canonical SMILES: C[Si](O[Si](C)(C)C)O[Si](C)(C)C
2. InChI: InChI=1S/C7H21O2Si3/c1-10(8-11(2,3)4)9-12(5,6)7/h1-7H3
3. InChIKey: SWGZAKPJNWCPRY-UHFFFAOYSA-N

Product Name

Bis(trimethylsiloxy)methylsilane

Synthetic route

Bis(trimethylsiloxy)methylsilane Specification

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