1,2-Dichlorotetramethyldisilane supplier

Name
1,2-Dichlorotetramethyldisilane
EINECS 224-400-1
CAS No. 4342-61-4
Article Data42
CAS DataBase
Density 0.992 g/cm³
Solubility
Melting Point
Formula C₄H₁₂Cl₂Si₂
Boiling Point 150.1 °C at 760 mmHg
Molecular Weight 187.216
Flash Point 38.8 °C
Transport Information UN 2986 8/PG 2
Appearance
Safety 26-27-36/37/39-45
Risk Codes 14-34
Molecular Structure
Hazard Symbols C
Synonyms 1,1,2,2-Tetramethyl-1,2-dichlorodisilane;1,2-Dichloro-1,1,2,2-tetramethyldisilane;
PSA 0.00000
LogP 2.95260

Synthetic route

: 1450-14-2
1,1,1,2,2,2-hexamethyldisilane

: 4342-61-4
1,2-dichlorotetramethylsilane

Conditions

Conditions	Yield
With chloro-trimethyl-silane; aluminium trichloride	88%
With aluminium trichloride; acetyl chloride at 0℃; for 20h;	78%
With aluminium trichloride; acetyl chloride In dichloromethane at 40℃; for 12h;	76%

: 75-77-4
chloro-trimethyl-silane

: 1560-28-7
pentamethylchlorodisilane

: 4342-61-4
1,2-dichlorotetramethylsilane

Conditions

Conditions	Yield
With aluminum (III) chloride at 70℃;	74%

: 4098-30-0
dodecamethylcyclohexasilane

A: 812-36-2
1,3-dichloro-1,1,2,2,3,3-hexamethyltrisilane

B: 4342-61-4
1,2-dichlorotetramethylsilane

C: 754-75-6
1,4-dichloropermethyltetrasilane

D: 5586-42-5
1,5-dichlorodecamethylpentasilane

Conditions

Conditions	Yield
With tin(IV) chloride at 175℃; for 1h; Product distribution; Further Variations:; Reagents; Temperatures; reaction times;	A 16.5% B 10% C 12.7% D 49.5%

...Expand

: 4098-30-0
dodecamethylcyclohexasilane

A: 812-36-2
1,3-dichloro-1,1,2,2,3,3-hexamethyltrisilane

B: 4342-61-4
1,2-dichlorotetramethylsilane

C: 754-75-6
1,4-dichloropermethyltetrasilane

D: 812-54-4
1,6-dichlorododecamethylhexasilane

Conditions

Conditions	Yield
With thionyl chloride In 1,1,2,2-tetrachloroethylene at 146℃; for 4h; Product distribution; other permethylated cyclosilane; var. solvents, time, temp.;	A 24% B 20% C 18% D 28%
With tin(IV) chloride at 175℃; for 0.5h; Further byproducts given;	A 11.3% B 7.5% C 9.6% D 46.1 % Chromat.
With mercury dichloride at 210℃; for 2h;	A 40.8 % Chromat. B 30.0 % Chromat. C 21.9 % Chromat. D 2.1 % Chromat.

...Expand

polydimethylsilane: polydimethylsilane

A: 812-36-2
1,3-dichloro-1,1,2,2,3,3-hexamethyltrisilane

B: 4342-61-4
1,2-dichlorotetramethylsilane

C: 754-75-6
1,4-dichloropermethyltetrasilane

D: 5586-42-5
1,5-dichlorodecamethylpentasilane

Conditions

Conditions	Yield
With tin(IV) chloride at 180℃; for 3h; Product distribution; Further Variations:; Reagents; Temperatures; reaction times;	A 27.9% B 10.1% C 25.5% D 18.3%

...Expand

: 18419-84-6
1,2-diethoxy-1,1,2,2-tetramethyldisilane

: 4342-61-4
1,2-dichlorotetramethylsilane

Conditions

Conditions	Yield
With pyridine

: 1145-98-8
1,2-diphenyltetramethyldisilane

: 4342-61-4
1,2-dichlorotetramethylsilane

Conditions

Conditions	Yield
With hydrogenchloride Ambient temperature;

: 4098-30-0
dodecamethylcyclohexasilane

: 4342-61-4
1,2-dichlorotetramethylsilane

Conditions

Conditions	Yield
With chlorine

: 1450-14-2
1,1,1,2,2,2-hexamethyldisilane

A: 75-77-4
chloro-trimethyl-silane

B: 4342-61-4
1,2-dichlorotetramethylsilane

C: 13528-88-6
1,1,2-trichloro-1,2,2-trimethyldisilane

D: 4518-98-3
1,1,2,2-tetrachloro-1,2-dimethyldisilane

E: 75-78-5
dimethylsilicon dichloride

Conditions

Conditions	Yield
With hexachlorodisilane; aluminium trichloride In benzene-d6 at 200℃; for 120h; Product distribution; var. temp.;	A 15 % Spectr. B 6 % Spectr. C 15 % Spectr. D 3 % Spectr. E 60 % Spectr.

...Expand

: 13528-88-6
1,1,2-trichloro-1,2,2-trimethyldisilane

: 100-44-7
benzyl chloride

A: 4342-61-4
1,2-dichlorotetramethylsilane

B: 18236-82-3
benzyl(methyl)dichlorosilane

Conditions

Conditions	Yield
tetrakis(triphenylphosphine) palladium(0) In 1,3,5-trimethyl-benzene at 80℃; for 2h; Heating;	A 2 % Chromat. B 98 % Chromat.

...Expand

: 4098-30-0
dodecamethylcyclohexasilane

A: 812-36-2
1,3-dichloro-1,1,2,2,3,3-hexamethyltrisilane

B: 4342-61-4
1,2-dichlorotetramethylsilane

C: 754-75-6
1,4-dichloropermethyltetrasilane

D: 5586-42-5
1,5-dichlorodecamethylpentasilane

E: 1,2-Dichloro-1,2,3,3,4,4,5,5,6,6-decamethyl-hexasilinane

Conditions

Conditions	Yield
With chlorine In tetrachloromethane also chlorination of 1,4-Cl2Si4Me8;

...Expand

: 75-78-5
dimethylsilicon dichloride

A: 812-36-2
1,3-dichloro-1,1,2,2,3,3-hexamethyltrisilane

B: 4342-61-4
1,2-dichlorotetramethylsilane

C: 754-75-6
1,4-dichloropermethyltetrasilane

Conditions

Conditions	Yield
With samarium diiodide In tetrahydrofuran also methylphenyldichlorosilane;

...Expand

: 4098-30-0
dodecamethylcyclohexasilane

A: 812-36-2
1,3-dichloro-1,1,2,2,3,3-hexamethyltrisilane

B: 4342-61-4
1,2-dichlorotetramethylsilane

C: 23118-87-8
chloroundecamethylcyclohexasilane

D: 754-75-6
1,4-dichloropermethyltetrasilane

E: 812-54-4
1,6-dichlorododecamethylhexasilane

Conditions

Conditions	Yield
With tin(IV) chloride In dichloromethane for 30h; Product distribution; further reagent: TiCl4;

...Expand

: 56-23-5
tetrachloromethane

: 6376-86-9
dimethylsilylene

A: 67-66-3
chloroform

B: 4342-61-4
1,2-dichlorotetramethylsilane

C: 18171-30-7
(trichloromethyl)dimethylchlorosilane

D: 75-78-5
dimethylsilicon dichloride

Conditions

Conditions	Yield
Addition; Insertion;

...Expand

: 4098-30-0
dodecamethylcyclohexasilane

A: 812-36-2
1,3-dichloro-1,1,2,2,3,3-hexamethyltrisilane

B: 4342-61-4
1,2-dichlorotetramethylsilane

C: 23118-87-8
chloroundecamethylcyclohexasilane

D: 754-75-6
1,4-dichloropermethyltetrasilane

Conditions

Conditions	Yield
With antimonypentachloride at 25℃; for 0.002h; Product distribution; Further Variations:; Temperatures; Reagents;	A 11.4 % Chromat. B 43.4 % Chromat. C 4.5 % Chromat. D 10.8 % Chromat.
With tin(IV) chloride at 175℃; for 1h; Further byproducts given;	A 34.7 % Chromat. B 29.9 % Chromat. C 2 % Chromat. D 25.8 % Chromat.

...Expand

: 4098-30-0
dodecamethylcyclohexasilane

A: 812-36-2
1,3-dichloro-1,1,2,2,3,3-hexamethyltrisilane

B: 4342-61-4
1,2-dichlorotetramethylsilane

C: 23118-87-8
chloroundecamethylcyclohexasilane

D: 812-54-4
1,6-dichlorododecamethylhexasilane

Conditions

Conditions	Yield
With molybdenum(V) chloride at 185℃; for 3h; Further byproducts given;	A 6.3 % Chromat. B 10.9 % Chromat. C 14.0 % Chromat. D 17.8 % Chromat.

...Expand

: 814-98-2
1,1,2,2-tetramethyldisilane

: 75-78-5
dimethylsilicon dichloride

A: 1066-35-9
dimethylmonochlorosilane

B: 1111-74-6
dimethylsilane

C: 4342-61-4
1,2-dichlorotetramethylsilane

D: 4455-83-8
1-chloro-2-hydro-1,1,2,2-tetramethyldisilane

Conditions

Conditions	Yield
With tetra-n-butylphosphonium chloride In diethylene glycol dimethyl ether at -196 - 120℃; Sealed tube;	A 50 %Spectr. B 7 %Spectr. C 9 %Spectr. D 7 %Spectr.
With tetra-n-butylphosphonium chloride In diethylene glycol dimethyl ether at -196 - 120℃; Sealed tube;	A 45 %Spectr. B 11.3 %Spectr. C 11.4 %Spectr. D 12.3 %Spectr.

...Expand

: 75-79-6
Methyltrichlorosilane

: 814-98-2
1,1,2,2-tetramethyldisilane

A: 75-54-7
Dichloromethylsilane

B: 4342-61-4
1,2-dichlorotetramethylsilane

C: 75-78-5
dimethylsilicon dichloride

Conditions

Conditions	Yield
With tetra-n-butylphosphonium chloride In diethylene glycol dimethyl ether at -196 - 80℃; Temperature; Sealed tube;	A 37.9 %Spectr. B 6.7 %Spectr. C 13.8 %Spectr.

...Expand

: 75-79-6
Methyltrichlorosilane

: 814-98-2
1,1,2,2-tetramethyldisilane

A: 75-54-7
Dichloromethylsilane

B: 4342-61-4
1,2-dichlorotetramethylsilane

Conditions

Conditions	Yield
With tetra-n-butylphosphonium chloride In diethylene glycol dimethyl ether at -196 - 80℃; Temperature; Sealed tube;	A 38.7 %Spectr. B 11.9 %Spectr.

...Expand

: 814-98-2
1,1,2,2-tetramethyldisilane

A: 75-54-7
Dichloromethylsilane

B: 1066-35-9
dimethylmonochlorosilane

C: 4342-61-4
1,2-dichlorotetramethylsilane

Conditions

Conditions	Yield
With hydrogenchloride In dibutyl ether; water at 80℃; for 24h; Temperature; Solvent;	A 10.1 %Spectr. B 84.7 %Spectr. C 5.2 %Spectr.

...Expand

: 814-98-2
1,1,2,2-tetramethyldisilane

A: 1066-35-9
dimethylmonochlorosilane

B: 4342-61-4
1,2-dichlorotetramethylsilane

Conditions

Conditions	Yield
With hydrogenchloride In dibutyl ether; water at 100℃; for 24h;	A 94.1 %Spectr. B 5.9 %Spectr.
With hydrogenchloride In dibutyl ether; benzene-d6 at 100℃; for 24h; Sealed tube;

: 814-98-2
1,1,2,2-tetramethyldisilane

: 4342-61-4
1,2-dichlorotetramethylsilane

Conditions

Conditions	Yield
With hydrogenchloride; tetra-n-butylphosphonium chloride In dibutyl ether; benzene-d6 at 80℃; for 18h; Reagent/catalyst; Sealed tube;

: 814-98-2
1,1,2,2-tetramethyldisilane

A: 1066-35-9
dimethylmonochlorosilane

B: 4342-61-4
1,2-dichlorotetramethylsilane

C: 4455-83-8
1-chloro-2-hydro-1,1,2,2-tetramethyldisilane

Conditions

Conditions	Yield
With hydrogenchloride In dibutyl ether; benzene-d6 at 40℃; for 144h; Temperature; Time; Sealed tube;

...Expand

: 13528-88-6
1,1,2-trichloro-1,2,2-trimethyldisilane

: 4518-98-3
1,1,2,2-tetrachloro-1,2-dimethyldisilane

: 4518-99-4
1,1-dichlorotetramethyldisilane

A: 75-54-7
Dichloromethylsilane

B: 75-77-4
chloro-trimethyl-silane

C: 75-79-6
Methyltrichlorosilane

D: 1066-35-9
dimethylmonochlorosilane

E: 992-94-9
methylsilane

F: 993-00-0
chloro-methyl-silane

G: 4342-61-4
1,2-dichlorotetramethylsilane

H: 75-78-5
dimethylsilicon dichloride

Conditions

Conditions	Yield
With diethylene glycol dimethyl ether; lithium hydride at 60℃; for 0.25h; Sealed tube;

...Expand

: 4342-61-4
1,2-dichlorotetramethylsilane

: 591-51-5
phenyllithium

: 1145-98-8
1,2-diphenyltetramethyldisilane

Conditions

Conditions	Yield
In tetrahydrofuran; diethyl ether; cyclohexane at 0 - 20℃; for 1h;	100%

: 4342-61-4
1,2-dichlorotetramethylsilane

: 2,2'-diindenyldimethylsilane lithium salt

: dichlorotetramethyldisilane

Conditions

Conditions	Yield
With n-butyllithium In tetrahydrofuran at -30℃; for 4h;	99%

: 4342-61-4
1,2-dichlorotetramethylsilane

: C12H18N(1-)*Li(1+)

: 188599-46-4
1,2-bis(2,6-diisopropylphenylamino)tetramethyldisilane

Conditions

Conditions	Yield
In diethyl ether at -35 - 20℃; for 12h; Inert atmosphere;	98%

: 4342-61-4
1,2-dichlorotetramethylsilane

: 2,2'-diindenyltetramethyldisilane lithium salt

: C26H34Si4(2-)*2Li(1+)

Conditions

Conditions	Yield
With n-butyllithium In tetrahydrofuran at -30℃; for 4h;	98%

: 16872-10-9
1-methyl-o-carborane

: 4342-61-4
1,2-dichlorotetramethylsilane

: 668987-57-3
1,2-bis(1'-methyl-o-carboranyl)-1,1,2,2-tetramethyl-1,2-disilane

Conditions

Conditions	Yield
With n-BuLi In diethyl ether; hexane; benzene (Ar); standard Schlenk technique; soln. of n-BuLi in hexane was added tosoln. of carborane in C6H6 at -78°C; mixt. was warmed to room te mp. and stirred for 2 h; transferred via cannula to suspn. of Si compd. (0.5 equiv.) in Et2O at -78°C; mixt. warmed to room temp.; stirred for 2 h; volatiles removed (vac.); residue dissolved in Et2O; filtered through silica gel; volatiles removed; crystd. (toluene, -5°C); elem. anal.;	96%

Yield

With n-BuLi In diethyl ether; hexane; benzene (Ar); standard Schlenk technique; soln. of n-BuLi in hexane was added tosoln. of carborane in C6H6 at -78°C; mixt. was warmed to room te mp. and stirred for 2 h; transferred via cannula to suspn. of Si compd. (0.5 equiv.) in Et2O at -78°C; mixt. warmed to room temp.; stirred for 2 h; volatiles removed (vac.); residue dissolved in Et2O; filtered through silica gel; volatiles removed; crystd. (toluene, -5°C); elem. anal.;

96%

: 4342-61-4
1,2-dichlorotetramethylsilane

: [1,1'-bis[tris(trimethylsilyl)silyl]ferrocenyldipotassium](18-crown-6)2*2C6H6

: 934822-73-8
1,1'-ansa-[1,1,4,4-tetrakis(trimethylsilyl)-2,2,3,3-tetramethyltetrasilanylene]ferrocene

Conditions

Conditions	Yield
In tetrahydrofuran (N2); Schlenk technique; soln. of Fe complex in THF was added to soln. of Si compd. (1 equi.) in THF at -40°C; mixt. was warmed to room temp.; stirred for 12 h; aq. H2SO4 added; extd. (Et2O); org. layers dried (Na2SO4); solvent removed (vac.); residue treated with hot isopropanol; slowly cooled to room temp.; elem. anal.;	96%

: 4342-61-4
1,2-dichlorotetramethylsilane

: 1231960-76-1
C12H24KO6(1+)*C13H39Si7(1-)

: 1231960-93-2
C30H90Si16

Conditions

Conditions	Yield
In benzene for 2.25h;	96%

: 4342-61-4
1,2-dichlorotetramethylsilane

: [bis(trimethylsilyl)((trimethylsilyl)methyl)silyl]potassium*18-crown-6

: 1314029-96-3
1,1,4,4-tetrakis(trimethylsilyl)-1,4-bis[(trimethylsilyl)methyl]-2,2,3,3-tetramethyltetrasilane

Conditions

Conditions	Yield
In benzene at 0℃; for 2h;	96%

: 4342-61-4
1,2-dichlorotetramethylsilane

: 76-86-8
Triphenylsilyl chloride

: 25368-92-7
1,1,1,4,4,4-hexaphenyltetramethyltetrasilane

Conditions

Conditions	Yield
With lithium In toluene at -30 - 20℃; for 0.5h; Inert atmosphere; Schlenk technique;	95%
Stage #1: Triphenylsilyl chloride With lithium In tetrahydrofuran at 0 - 20℃; for 10h; Stage #2: 1,2-dichlorotetramethylsilane In tetrahydrofuran at 0 - 80℃; for 30h; Stage #3: With water In hexane for 0.25h;

: 4342-61-4
1,2-dichlorotetramethylsilane

: 850816-27-2
N,N’-Bis(2,6-diisopropylphenyl)-N-trimethylsilylformamidine

: 27607-77-8
trimethylsilyl trifluoromethanesulfonate

: 1441046-04-3
[(Me2SiNDipp)2CH]OTf

Conditions

Conditions	Yield
Stage #1: 1,2-dichlorotetramethylsilane; N,N’-Bis(2,6-diisopropylphenyl)-N-trimethylsilylformamidine In dichloromethane at 20℃; for 1h; Inert atmosphere; Stage #2: trimethylsilyl trifluoromethanesulfonate In dichloromethane at 0 - 20℃; Inert atmosphere;	95%

...Expand

: 4342-61-4
1,2-dichlorotetramethylsilane

: tris(trimethylsilyl)silyl potassium

: 78365-62-5
1,1,1,3,3,4,4,6,6,6-decamethyl-2,2,5,5-tetrakis(trimethylsilyl)-hexasilane

Conditions

Conditions	Yield
In toluene at -78 - 20℃; Inert atmosphere;	95%

: 4342-61-4
1,2-dichlorotetramethylsilane

: tris(trimethylsilyl)germyl potassium

: 849441-04-9
2,2,5,5-tetrakis(trimethylsilyl)-2,5-digermadecamethylhexasilane

Conditions

Conditions	Yield
In toluene at -78 - 20℃; Inert atmosphere;	95%

: 4342-61-4
1,2-dichlorotetramethylsilane

: 2,5-bis(trimethylsilyl)undecamethylhexasilan-2-yl potassium

: 2,5,5,8,8,11-hexakis(trimethylsilyl)icosamethyldodecasilan

Conditions

Conditions	Yield
In tetrahydrofuran at 0 - 20℃; for 5h;	95%

: 16538-65-1
dichloromethyl[(trimethylsilyl)methyl]silane

: 1560-28-7
pentamethylchlorodisilane

: 4342-61-4
1,2-dichlorotetramethylsilane

: 2943-62-6
1-chloro-1,1,3,3,3-pentamethyldisiloxane

: 56240-54-1
Me3SiSiMe2OSiMe2H

Conditions

Conditions	Yield
Stage #1: dichloromethyl[(trimethylsilyl)methyl]silane; pentamethylchlorodisilane; 1,2-dichlorotetramethylsilane; 1-chloro-1,1,3,3,3-pentamethyldisiloxane With water at 80 - 90℃; for 3h; Stage #2: perfluorobutanesulfonic acid at 100℃; for 3 - 4h; Heating / reflux;	94.8%

...Expand

: 4342-61-4
1,2-dichlorotetramethylsilane

: 3561-67-9
bis(phenylthio)methane

: 218932-31-1
1,2-bis-(bis-phenylsulfanyl-methyl)-1,1,2,2-tetramethyl-disilane

Conditions

Conditions	Yield
With n-butyllithium In tetrahydrofuran at -78 - 20℃;	94%

: 16390-61-7
1-phenyl-1,2-closo-C2B10H11

: 4342-61-4
1,2-dichlorotetramethylsilane

: 668987-58-4
1,2-bis(1'-phenyl-o-carboranyl)-1,1,2,2-tetramethyl-1,2-disilane

Conditions

Conditions	Yield
With n-BuLi In diethyl ether; hexane; benzene (Ar); standard Schlenk technique; soln. of n-BuLi in hexane was added tosoln. of carborane in C6H6 at -78°C; mixt. was warmed to room te mp. and stirred for 2 h; transferred via cannula to suspn. of Si compd. (0.5 equiv.) in Et2O at -78°C; mixt. warmed to room temp.; stirred for 2 h; volatiles removed (vac.); residue dissolved in Et2O; filtered through silica gel; volatiles removed; crystd. (toluene, -5°C); elem. anal.;	94%

Yield

94%

: 4342-61-4
1,2-dichlorotetramethylsilane

: [(1,2-C2B10H10)Li2]*2Et2O

: 220453-53-2
1,1,2,2-tetramethyl-3,4-[1,2-dicarba-closo-dodecaborano(12)]-1,3-disila-cyclobutane

Conditions

Conditions	Yield
In diethyl ether suspn. of carborane deriv. in Et2O cooled to 0°C, (Me2SiCl)2 injected through syringe for 30 min; stirred for 3 h at room temp.; insol. material separated by centrifugation; remaining insol. residue washed with Et2O and centrifuged; solns. combined; liquid evapd. in vac.;	94%

: 4342-61-4
1,2-dichlorotetramethylsilane

: 31600-86-9
2-methoxyphenyllithium

: 332343-84-7
1,2-bis(2-methoxyphenyl)-1,1,2,2-tetramethyldisilane

Conditions

Conditions	Yield
In tetrahydrofuran at 20℃;	93%

: 4342-61-4
1,2-dichlorotetramethylsilane

: 79101-69-2
3,5-di-tert-butyl-4-trimethylsiloxyphenyllithium

: 653604-19-4
1,2-bis-(3,5-di-tert-butyl-4-trimethylsilanyloxy-phenyl)-1,1,2,2-tetramethyl-disilane

Conditions

Conditions	Yield
In diethyl ether at 20℃; for 2h;	93%

: 4342-61-4
1,2-dichlorotetramethylsilane

: 17865-73-5
octamethyl-1,4-dioxa-2,3,5,6-tetrasilacyclohexane

Conditions

Conditions	Yield
With sodium hydrogencarbonate In diethyl ether; water for 6h; Inert atmosphere; Schlenk technique; Sealed tube;	92%
With water In pentane Glovebox; Inert atmosphere;	80%
With water In diethyl ether; acetone for 2h;	72%
With pyridine In various solvents at 20℃; for 1h;	72%
With water

: 4342-61-4
1,2-dichlorotetramethylsilane

: 74-95-3
1,1-dibromomethane

: 33558-73-5
1,2-bis(bromomethyl)-1,1,2,2-tetramethyldisilane

Conditions

Conditions	Yield
With n-butyllithium; lithium bromide In tetrahydrofuran; hexane at -78 - 20℃;	92%
With n-butyllithium; lithium bromide In tetrahydrofuran; hexane at -78 - 20℃;	69%

: 4342-61-4
1,2-dichlorotetramethylsilane

: lithium di-tert-butylstannide

: 223565-67-1
1,1,4,4-tetra(tert-butyl)-tetramethyl-1,4-distanna-2,3-disilabutane

Conditions

Conditions	Yield
In tetrahydrofuran (inert atmosphere); stirring (-50°C, 2 h); warming to -30°C, addn. of petroleum ether, stirring (30 min), warming to 0°C, addn. of oxygen-free water, phase sepn., drying (CaCl2, 12 h), filtration, solvent removal (vac.), recrystn. (n-hexane);	92%

: 4342-61-4
1,2-dichlorotetramethylsilane

: 10485-09-3
2-bromoindene

: 221392-72-9
1,2-di(1H-inden-1-yl)-1,1,2,2-tetramethyldisilane

Conditions

Conditions	Yield
With magnesium In tetrahydrofuran; ethylene dibromide Cooling with ice;	92%

: 4342-61-4
1,2-dichlorotetramethylsilane

: C22H66Li2P2Si10

: C26H78P2Si12

Conditions

Conditions	Yield
In diethyl ether at -78℃; Inert atmosphere;	92%

: 4342-61-4
1,2-dichlorotetramethylsilane

: 98-88-4
benzoyl chloride

: 75-78-5
dimethylsilicon dichloride

Conditions

Conditions	Yield
With triphenylphosphine	91%

: 4342-61-4
1,2-dichlorotetramethylsilane

: 21473-02-9
4-phenoxyphenylmagnesium bromide

: 1-(4-phenoxyphenyl)-1,1,2,2-tetramethyldisilane

Conditions

Conditions	Yield
Stage #1: 1,2-dichlorotetramethylsilane; 4-phenoxyphenylmagnesium bromide In tetrahydrofuran at -78℃; for 2h; Inert atmosphere; Stage #2: With lithium aluminium tetrahydride In tetrahydrofuran at 0 - 20℃; Inert atmosphere;	91%

: 4342-61-4
1,2-dichlorotetramethylsilane

: bis(trimethylsilyl)(triisopropylsilyl)silyl potassium

: 2,5-bis(triisopropylsilyl)-2,5-bis(trimethylsilyl)decamethylhexasilan

Conditions

Conditions	Yield
In tetrahydrofuran for 6h;	91%

: 4342-61-4
1,2-dichlorotetramethylsilane

: 82135-41-9
Lithium-tert-butyldimethylsilylamid

: C16H44N2Si4

Conditions

Conditions	Yield
	90%

: 16872-09-6
1,2-dicarba-closo-dodecaborane(12)

: 4342-61-4
1,2-dichlorotetramethylsilane

: 652995-44-3
1,2-bis(o-carboranyl)-1,1,2,2-tetramethyl-1,2-disilane

Conditions

Yield

With n-BuLi In tetrahydrofuran; diethyl ether; hexane (Ar); standard Schlenk technique; soln. of n-BuLi in hexane was added tosoln. of carborane in THF at -78°C; mixt. was warmed to room tem p. and stirred for 2 h; transferred via cannula to suspn. of Si compd. (0.5 equiv.) in Et2O at -78°C; mixt. warmed to room temp.; stirred for 2 h; volatiles removed (vac.); residue dissolved in Et2O; filtered through silica gel; volatiles removed; crystd. (toluene, -5°C); elem. anal.;

90%

: 4342-61-4
1,2-dichlorotetramethylsilane

: 1,1-diisopropyltrimethyldisilanylpotassium

: 2,2,5,5-tetraisopropyldecamethylhexasilane

Conditions

Conditions	Yield
In benzene at 0 - 20℃;	90%

1,2-Dichlorotetramethyldisilane Specification

The Disilane,1,2-dichloro-1,1,2,2-tetramethyl-, with the CAS registry number 4342-61-4, is also known as 1,1,2,2-Tetramethyldichlorodisilane. It belongs to the product categories of Si-Si Compounds; Dichlorosilanes (for Polysilanes); Electroluminescence; Functional Materials; Monochlorosilanes; Reagent for High-Performance Polymer Research; Si (Classes of Silicon Compounds); Si-Cl Compounds; Silicon Compounds (for Synthesis); Synthetic Organic Chemistry; Precursors by Metal; Vapor Deposition Precursors. Its EINECS registry number is 224-400-1. This chemical's molecular formula is C₄H₁₂Cl₂Si₂ and molecular weight is 187.22. Its systematic name is called 1,2-dichloro-1,1,2,2-tetramethyldisilane. The product should be sealed and stored in dry, well-ventilated place.

Physical properties of Disilane,1,2-dichloro-1,1,2,2-tetramethyl-: (1)ACD/LogP: 4.52; (2)ACD/LogD (pH 5.5): 4.52; (3)ACD/LogD (pH 7.4): 4.52; (4)ACD/BCF (pH 5.5): 1594.32; (5)ACD/BCF (pH 7.4): 1594.32; (6)ACD/KOC (pH 5.5): 6823.42; (7)ACD/KOC (pH 7.4): 6823.42; (8)#Freely Rotating Bonds: 1; (9)Index of Refraction: 1.419; (10)Molar Refractivity: 47.71 cm³; (11)Molar Volume: 188.8 cm³; (12)Surface Tension: 17.5 dyne/cm; (13)Density: 0.991 g/cm³; (14)Flash Point: 38.8 °C; (15)Enthalpy of Vaporization: 37.1 kJ/mol; (16)Boiling Point: 150.1 °C at 760 mmHg; (17)Vapour Pressure: 4.97 mmHg at 25°C.

Preparation: this chemical can be prepared by hexamethyl-disilane. This reaction will need reagent AlCl₃, AcCl and solvent CH₂Cl₂. The reaction time is 12 hours with reaction temperature of 40 °C. The yield is about 76%.

Uses of Disilane,1,2-dichloro-1,1,2,2-tetramethyl-: it can be used to produce Octamethyl-1,4-dithia-2,3,5,6-tetrasilacyclohexan. This reaction will need reagent H₂S and Et₃N.

When you are using this chemical, please be cautious about it as the following:
This chemical may destroy living tissue on contact and may cause burns. In case of contact with eyes, you should rinse immediately with plenty of water and seek medical advice. Whenever you will contact it, please wear suitable protective clothing, gloves and eye/face protection. In case of accident or if you feel unwell seek medical advice immediately (show the label where possible).

You can still convert the following datas into molecular structure:
(1)SMILES: Cl[Si](C)(C)[Si](Cl)(C)C
(2)InChI: InChI=1/C4H12Cl2Si2/c1-7(2,5)8(3,4)6/h1-4H3
(3)InChIKey: SFAZXBAPWCPIER-UHFFFAOYAO

Product Name

1,2-Dichlorotetramethyldisilane

Synthetic route

1,2-Dichlorotetramethyldisilane Specification

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