Dichlorodimethylsilane supplier

Name
Dichlorodimethylsilane
EINECS 200-901-0
CAS No. 75-78-5
Article Data220
CAS DataBase
Density 1.075 g/cm³
Solubility reacts with water
Melting Point -76 °C
Formula C₂H₆Cl₂Si
Boiling Point 69.999 °C at 760 mmHg
Molecular Weight 129.061
Flash Point -9 °C
Transport Information UN 2924 3/PG 2
Appearance Colorless to brown liquid
Safety 60-61-62-36/37-59
Risk Codes 20-59-36/37/38-11-67-65-63-48/20-38-20/21-50/53
Molecular Structure
Hazard Symbols Xn, Xi, F, N
Synonyms DCDMS;Dichlorodimethylsilicon;Dimethylsilane dichloride;Inerton AW-DMCS;KA 12;KA 22;LS 130;LS 130(silane);M 2 (silane);NSC 77070;Repel-Silane;Silane,dichlorodimethyl-;Dichlorodimethylsilane;
PSA 0.00000
LogP 2.16580

Synthetic route

: 75-76-3
tetramethylsilane

: 10038-98-9
germaniumtetrachloride

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

B: 1529-47-1
chlorotrimethylgermane

C: 75-78-5
dimethylsilicon dichloride

Conditions

Conditions	Yield
aluminium bromide In neat (no solvent) molar ratio Me4Si/GeCl4 = 2/1, at 200°C for 15 h, cooled; NMR, mass spectra, chromy.;	A 50% B 100% C 50%

...Expand

: 75-76-3
tetramethylsilane

: 10038-98-9
germaniumtetrachloride

A: 993-10-2
methyltrichlorogermane

B: 75-78-5
dimethylsilicon dichloride

C: 1529-48-2
dichlorodimethylgermanium

Conditions

Conditions	Yield
aluminium bromide In neat (no solvent) molar ratio Me4Si/GeCl4 = 0.5/1, at 200°C for 28 h, cooled; NMR, mass spectra, chromy.;	A 64% B 100% C 36%

...Expand

: 75-76-3
tetramethylsilane

: 10038-98-9
germaniumtetrachloride

A: 1529-47-1
chlorotrimethylgermane

B: 75-78-5
dimethylsilicon dichloride

C: 1529-48-2
dichlorodimethylgermanium

Conditions

Conditions	Yield
aluminium bromide In neat (no solvent) molar ratio Me4Si/GeCl4 = 1/1, at 200°C for 56 h, cooled; NMR, mass spectra, chromy.;	A 14% B 100% C 86%

...Expand

: 676-97-1
methylphosphonic acid dichloroanhydride

: 23272-12-0
methoxydimethylsilyl cyanide

A: 101153-04-2
methyl (cyano)methylphosphonate

B: 75-78-5
dimethylsilicon dichloride

Conditions

Conditions	Yield
at 40 - 45℃; for 0.0833333h;	A 87.6% B 97%

...Expand

: 7440-21-3
silicon

: 75-78-5
dimethylsilicon dichloride

Conditions

Conditions	Yield
With methylene chloride; copper In neat (no solvent) vibrating of the Si-Cu powder;;	97%
With methylene chloride; copper In neat (no solvent) CH3Cl and Si-Cu/Cu-oxide at 300-375°C;;	82.4%
With methylene chloride; copper In neat (no solvent) CH3Cl and Si purified by treatment with strong acids;;
With methylene chloride In neat (no solvent)
With CH3Cl In neat (no solvent)

: (C4H9)3CBCl2

: 1027-80-1
2,2-dimethyl-1,3-diphenyl-[1,3,2]diazasilolidine

A: 75-78-5
dimethylsilicon dichloride

B: 2179-98-8
2-(1,1-dibutyl-pentyl)-1,3-diphenyl-[1,3,2]diazaborolidine

Conditions

Conditions	Yield
	A n/a B 95%
	A n/a B 95%

...Expand

: 75-76-3
tetramethylsilane

: 10038-98-9
germaniumtetrachloride

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

B: 1529-47-1
chlorotrimethylgermane

C: 993-10-2
methyltrichlorogermane

D: 75-78-5
dimethylsilicon dichloride

E: 1529-48-2
dichlorodimethylgermanium

Conditions

Conditions	Yield
aluminium bromide In neat (no solvent) molar ratio Me4Si/GeCl4 = 1/1, at 200°C for 22 h, cooled; NMR, mass spectra, chromy.;	A 6% B 30% C 15% D 94% E 56%
aluminium bromide In neat (no solvent) molar ratio Me4Si/GeCl4 = 0.5/1, at 200°C for 6 h, cooled; NMR, mass spectra, chromy.;	A 26% B 33% C 30% D 74% E 37%
aluminium bromide In neat (no solvent) molar ratio Me4Si/GeCl4 = 1/1, at 200°C for 6 h, cooled; NMR, mass spectra, chromy.;	A 60% B 54% C 11% D 40% E 35%

...Expand

: 4342-61-4
1,2-dichlorotetramethylsilane

: 98-88-4
benzoyl chloride

: 75-78-5
dimethylsilicon dichloride

Conditions

Conditions	Yield
With triphenylphosphine	91%

: 75-76-3
tetramethylsilane

: 10038-98-9
germaniumtetrachloride

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

B: 1529-47-1
chlorotrimethylgermane

C: 865-52-1
tetramethylgermane

D: 75-78-5
dimethylsilicon dichloride

Conditions

Conditions	Yield
aluminium bromide In neat (no solvent) molar ratio Me4Si/GeCl4 = 4/1, at 200°C for 8 h, cooled; NMR, mass spectra, chromy.;	A 91% B 60% C 40% D 9%
aluminium bromide In neat (no solvent) molar ratio Me4Si/GeCl4 = 0.33/1, at 200°C for 5 h, cooled; NMR, mass spectra, chromy.;	A 89% B 74% C 26% D 11%
aluminium bromide In neat (no solvent) molar ratio Me4Si/GeCl4 = 3/1, at 200°C for 21 h, cooled; NMR, mass spectra, chromy.;	A 80% B 80% C 20% D 20%

...Expand

: (CH2C6H5)3CBCl2

: 1027-80-1
2,2-dimethyl-1,3-diphenyl-[1,3,2]diazasilolidine

A: 75-78-5
dimethylsilicon dichloride

B: 2179-97-7
2-(1,1-dibenzyl-2-phenyl-ethyl)-1,3-diphenyl-[1,3,2]diazaborolidine

Conditions

Conditions	Yield
	A n/a B 90%
	A n/a B 90%

...Expand

: 762-72-1
allyl-trimethyl-silane

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

B: 4028-23-3
Allylchlorodimethylsilane

C: 75-78-5
dimethylsilicon dichloride

Conditions

Conditions	Yield
With tungsten(VI) oxychloride In benzene at 50℃; for 60h;	A 87% B 7% C 4%

...Expand

: 7440-21-3
silicon

A: 75-79-6
Methyltrichlorosilane

B: 10026-04-7, 53609-55-5
tetrachlorosilane

C: 10025-78-2
trichlorosilane

D: 75-78-5
dimethylsilicon dichloride

Conditions

Conditions	Yield
With methylene chloride; copper In neat (no solvent) mixt. of CH3Cl/N2 (2:5) and Si-Cu (9:1) at 300°C;;	A 4% B n/a C n/a D 86.5%
With methylene chloride; copper In neat (no solvent) mixt. of CH3Cl/N2 (2:5) and Si-Cu (9:1) at 300°C;;	A 4% B n/a C n/a D 86.5%
With methylene chloride; copper In neat (no solvent) CH3Cl and Si-Cu mixt. (8:2) at 350°C;;

...Expand

: 76873-78-4
tert-butyldichloroborane

: 1027-80-1
2,2-dimethyl-1,3-diphenyl-[1,3,2]diazasilolidine

A: 75-78-5
dimethylsilicon dichloride

B: 2179-90-0
2-tert-butyl-1,3-diphenyl-[1,3,2]diazaborolidine

Conditions

Conditions	Yield
	A n/a B 86%
	A n/a B 86%

...Expand

: 1066-35-9
dimethylmonochlorosilane

: 1558-25-4
(chloromethyl)trichlorosilane

A: 75-79-6
Methyltrichlorosilane

B: 75-78-5
dimethylsilicon dichloride

Conditions

Conditions	Yield
at 500℃; for 0.00833333h;	A 79.1% B 85.6%

...Expand

: 98137-22-5
i-C5H11BCl2

: 4134-81-0
2,2-Dimethyl-2-sila-imidazolidin

A: 30827-09-9
2-i-pentyl-1,3,2-diazaborolane

B: 75-78-5
dimethylsilicon dichloride

Conditions

Conditions	Yield
	A 85.5% B n/a

...Expand

: 75-76-3
tetramethylsilane

: 10038-98-9
germaniumtetrachloride

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

B: 1529-47-1
chlorotrimethylgermane

C: 75-78-5
dimethylsilicon dichloride

D: 1529-48-2
dichlorodimethylgermanium

Conditions

Conditions	Yield
aluminium bromide In neat (no solvent) molar ratio Me4Si/GeCl4 = 2/1, at 200°C for 6 h, cooled; NMR, mass spectra, chromy.;	A 85% B 71% C 15% D 29%

...Expand

: 74-87-3
methylene chloride

: 7440-21-3
silicon

A: 75-54-7
Dichloromethylsilane

B: 75-79-6
Methyltrichlorosilane

C: 75-78-5
dimethylsilicon dichloride

Conditions

Conditions	Yield
tin; aluminum silicide; zinc(II) oxide; copper dichloride at 280 - 300℃; for 6h; Rochow reaction;	A 1.7% B n/a C 83.8%
zinc(II) oxide; copper dichloride at 280 - 300℃; for 6h; Rochow reaction;	A 4.5% B n/a C 83.7%
zinc(II) oxide; aluminium; copper dichloride at 280 - 300℃; for 6h; Rochow reaction;	A 2.8% B n/a C 82.1%
With PdSi at 400℃; for 6h;

...Expand

: 1739-52-2
dichloro-propyl-borane

: 4134-81-0
2,2-Dimethyl-2-sila-imidazolidin

A: 30827-07-7
2-propyl-1,3,2-diazaborolane

B: 75-78-5
dimethylsilicon dichloride

Conditions

Conditions	Yield
	A 83.6% B n/a

...Expand

: 23272-12-0
methoxydimethylsilyl cyanide

A: dimethylchlorosilyl cyanide

B: methyl cyanochlorophosphate

C: 75-78-5
dimethylsilicon dichloride

D: 677-24-7
methyl dichlorophosphoridate

Conditions

Conditions	Yield
With trichlorophosphate at 45 - 50℃; for 0.333333h;	A 17.5% B n/a C 82.1% D n/a
With trichlorophosphate at 45 - 50℃; for 0.333333h; Yield given. Title compound not separated from byproducts;	A 17.5% B n/a C 82.1% D n/a

...Expand

: 75-54-7
Dichloromethylsilane

: 74-86-2
acetylene

A: 124-70-9
Dichloromethylvinylsilane

B: 65899-10-7
(E)-1,2-bis[dichloro(methyl)silyl]ethene

C: 75-78-5
dimethylsilicon dichloride

Conditions

Conditions	Yield
With bis(tributylphosphine)dichloropalladium(II) In xylene at 80℃; for 3h;	A 10% B 79% C 7%
With triphenylphosphine In xylene at 80℃; for 3h;	A 51% B 32% C 7%
With Pd(acac)2Py In xylene at 80℃; for 3h;	A 37% B 5% C 48%

...Expand

: 680-31-9
N,N,N,N,N,N-hexamethylphosphoric triamide

: 75-79-6
Methyltrichlorosilane

: 556-67-2
octamethylcyclotetrasiloxane

: 75-78-5
dimethylsilicon dichloride

Conditions

Conditions	Yield
In water	76%

...Expand

: 10519-87-6
divinyldimethylsilane

A: 1719-58-0
Chlorodimethylvinylsilane

B: 75-78-5
dimethylsilicon dichloride

Conditions

Conditions	Yield
With hydrogenchloride; iron(III) chloride at 24 - 52℃; Product distribution;	A 75% B 5%

: 74-87-3
methylene chloride

A: 75-79-6
Methyltrichlorosilane

B: 75-78-5
dimethylsilicon dichloride

Conditions

Conditions	Yield
With tetrachlorosilane; palladium silicide; hydrogen at 400 - 850℃; for 5h; Product distribution / selectivity;	A 74% B 24%
With copper; silicon at 300 - 390℃;
With nitrogen; copper; silicon at 300 - 390℃;

: 1113-12-8
diallyl(dimethyl)silane

A: 4028-23-3
Allylchlorodimethylsilane

B: 75-78-5
dimethylsilicon dichloride

Conditions

Conditions	Yield
With tungsten(VI) oxychloride In benzene at 50℃; for 60h;	A 25% B 74%
With tungsten(VI) oxychloride In benzene at 50℃; for 60h;	A 25% B 74%

: 776-76-1
methyldiphenylsilane

: 1558-33-4
chloromethylmethyldichlorosilane

A: 144-79-6
chloromethyldiphenylsilane

B: 75-78-5
dimethylsilicon dichloride

Conditions

Conditions	Yield
at 160 - 230℃; for 12h;	A 71.2% B 69.8%
at 160 - 230℃; for 12h;	A 69.8% B 71.2%

...Expand

: 18142-52-4
(2-Chlor-vinyl)-dimethyl-chlorsilan

A: 540-59-0
1,2-Dichloroethylene

B: 75-78-5
dimethylsilicon dichloride

C: 176102-95-7
Chloro-dimethyl-(1,2,2-trichloro-ethyl)-silane

D: Chloro-dimethyl-(1,2,2,2-tetrachloro-ethyl)-silane

Conditions

Conditions	Yield
With chlorine for 5h; Further byproducts given;	A 5% B 6% C 70% D 2%

...Expand

: 106-38-7
para-bromotoluene

: 75-78-5
dimethylsilicon dichloride

: 2097-02-1
bis(4-methylphenyl)dimethylsilane

Conditions

Conditions	Yield
With magnesium In tetrahydrofuran Grignard Reaction; Inert atmosphere; Schlenk technique;	100%
With magnesium In not given	73%
With Mg In not given	73%

: 764-01-2
methyl propargyl alcohol

: 75-78-5
dimethylsilicon dichloride

: 143887-59-6
But-2-ynyloxy-chloro-dimethyl-silane

Conditions

Conditions	Yield
Ambient temperature;	100%

: 75-78-5
dimethylsilicon dichloride

: 150592-48-6
phenylthio 3,4,6-tri-O-acetyl-β-D-galactopyranoside

: 153439-89-5
Acetic acid (2R,3S,4S,5R,6S)-3-acetoxy-2-acetoxymethyl-5-(chloro-dimethyl-silanyloxy)-6-phenylsulfanyl-tetrahydro-pyran-4-yl ester

Conditions

Conditions	Yield
With pyridine In dichloromethane	100%
With pyridine In toluene at 25 - 110℃;
With pyridine In toluene at 25℃; for 1h; Yield given;

: 103-83-3
N,N'-dimethylbenzylamine

: 75-78-5
dimethylsilicon dichloride

: [2-(Chloro-dimethyl-silanyl)-benzyl]-dimethyl-amine

Conditions

Conditions	Yield
With n-butyllithium; tetrachlorosilane In diethyl ether; hexane at 25℃;	100%

: 77308-48-6
1,1,4,4,7,7,10,10-octamethyl-2,3,4,7,8,9,10,12-octahydro-1H-dibenzo[b,h]fluorene

: 75-78-5
dimethylsilicon dichloride

: 676647-37-3
chlorodimethyl (1,1,4,4,7,7,10,10-octamethyl-2,3,4,7,8,9,10,12-octahydro-1H-dibenzo[b,h]-fluorene-12-yl)silane

Conditions

Conditions	Yield
Stage #1: 1,1,4,4,7,7,10,10-octamethyl-2,3,4,7,8,9,10,12-octahydro-1H-dibenzo[b,h]fluorene With n-butyllithium In diethyl ether at -78 - 20℃; Schlenk technique; Stage #2: dimethylsilicon dichloride In diethyl ether at -78 - 20℃; Schlenk technique;	100%
Stage #1: 1,1,4,4,7,7,10,10-octamethyl-2,3,4,7,8,9,10,12-octahydro-1H-dibenzo[b,h]fluorene With n-butyllithium In diethyl ether at -78 - 20℃; Schlenk technique; Stage #2: dimethylsilicon dichloride In diethyl ether at -78 - 20℃; Schlenk technique;	100%
Stage #1: 1,1,4,4,7,7,10,10-octamethyl-2,3,4,7,8,9,10,12-octahydro-1H-dibenzo[b,h]fluorene With n-butyllithium In tetrahydrofuran; hexane for 20h; Stage #2: dimethylsilicon dichloride In tetrahydrofuran; hexane for 17.5h;	87.7%
Stage #1: 1,1,4,4,7,7,10,10-octamethyl-2,3,4,7,8,9,10,12-octahydro-1H-dibenzo[b,h]fluorene With n-butyllithium In tetrahydrofuran; diethyl ether; hexane at 0 - 20℃; for 48h; Stage #2: dimethylsilicon dichloride In diethyl ether; hexane at 0 - 20℃; for 24h;

: 75-78-5
dimethylsilicon dichloride

: 1,4,8-triazacycloundecane trihydrochloride

: 1,4,8-Tris-(chloro-dimethyl-silanyl)-1,4,8-triaza-cycloundecane

Conditions

Conditions	Yield
Stage #1: 1,4,8-triazacycloundecane trihydrochloride With triethylamine In dichloromethane at 0℃; for 0.25h; Stage #2: dimethylsilicon dichloride In dichloromethane at 20℃;	100%

: 18142-52-4
(2-Chlor-vinyl)-dimethyl-chlorsilan

A: 540-59-0
1,2-Dichloroethylene

B: 75-78-5
dimethylsilicon dichloride

C: 176102-95-7
Chloro-dimethyl-(1,2,2-trichloro-ethyl)-silane

D: Chloro-dimethyl-(1,1,2,2-tetrachloro-ethyl)-silane

Conditions

Conditions	Yield
With chlorine at 22 - 83℃; for 5h; Further byproducts given;	A 5% B 6% C 70% D 3%

...Expand

: 18142-52-4
(2-Chlor-vinyl)-dimethyl-chlorsilan

A: 540-59-0
1,2-Dichloroethylene

B: 75-78-5
dimethylsilicon dichloride

C: 176102-95-7
Chloro-dimethyl-(1,2,2-trichloro-ethyl)-silane

D: Chloro-dimethyl-pentachloroethyl-silane

Conditions

Conditions	Yield
With chlorine for 5h; Further byproducts given;	A 5% B 6% C 70% D 2%

...Expand

: 18142-52-4
(2-Chlor-vinyl)-dimethyl-chlorsilan

A: 540-59-0
1,2-Dichloroethylene

B: 75-78-5
dimethylsilicon dichloride

C: 176102-95-7
Chloro-dimethyl-(1,2,2-trichloro-ethyl)-silane

D: 79-34-5
1,1,2,2-tetrachloroethane

Conditions

Conditions	Yield
With chlorine for 5h; Further byproducts given;	A 5% B 6% C 70% D 2%

...Expand

: 58775-07-8
3,6-di-tert-butyl-9H-fluorene

: 75-78-5
dimethylsilicon dichloride

: dimethyl (3,6-di-tert-butylfluoren-9-yl)silyl chloride

Conditions

Conditions	Yield
Stage #1: 3,6-di-tert-butyl-9H-fluorene With n-butyllithium In diethyl ether at -78 - 20℃; Schlenk technique; Stage #2: dimethylsilicon dichloride In diethyl ether at -78 - 20℃; Schlenk technique;	100%
Stage #1: 3,6-di-tert-butyl-9H-fluorene With n-butyllithium In diethyl ether at -78 - 20℃; Schlenk technique; Stage #2: dimethylsilicon dichloride In diethyl ether at -78 - 20℃; Schlenk technique;	100%
Stage #1: 3,6-di-tert-butyl-9H-fluorene With n-butyllithium In diethyl ether; hexane at 20℃; for 3h; Stage #2: dimethylsilicon dichloride In diethyl ether; hexane at 20℃; Further stages.;	87.9%
Stage #1: 3,6-di-tert-butyl-9H-fluorene With n-butyllithium In diethyl ether Stage #2: dimethylsilicon dichloride In diethyl ether

: 235756-34-0
(((CH3)2CH)2N)2BP(H)Li(CH3OCH2CH2OCH3)

: 75-78-5
dimethylsilicon dichloride

: 235756-04-4
bis([bis(diisopropylamino)boryl]phosphino)dimethylsilane

Conditions

Conditions	Yield
In hexane byproducts: LiCl, DME; inert atmosphere; mixing stoich. amts. at 0°C, stirring at 23°C for 5 h; filtration off of LiCl, evapn. (reduced pressure); elem. anal.;	100%

: 4529-04-8
1-propynyl lithium

: 75-78-5
dimethylsilicon dichloride

: 75405-43-5
bis(prop-1-ynyl)dimethylsilane

Conditions

Conditions	Yield
In tetrahydrofuran at 20℃; for 4h;	100%
In tetrahydrofuran at 20℃; for 4h;	100%

: 1346677-97-1
C28H30

: 75-78-5
dimethylsilicon dichloride

: 1388645-07-5
C32H40Cl2Si2

Conditions

Conditions	Yield
Stage #1: C28H30 With n-butyllithium In tetrahydrofuran; hexane at -78 - 20℃; Inert atmosphere; Stage #2: dimethylsilicon dichloride In tetrahydrofuran; hexane at -78 - 20℃; Inert atmosphere;	100%

: 124-22-1
n-Dodecylamine

: 75-78-5
dimethylsilicon dichloride

: 1384112-03-1
bis(n-dodecylamino)dimethylsilane

Conditions

Conditions	Yield
In hexane at 20℃; for 24h; Cooling;	100%
With triethylamine In pentane at -0.16 - 19.84℃; Inert atmosphere;

: 111-86-4
n-Octylamine

: 75-78-5
dimethylsilicon dichloride

: 1384112-02-0
bis(n-octylamino)dimethylsilane

Conditions

Conditions	Yield
In hexane at 20℃; for 24h; Cooling;	100%
With triethylamine In pentane at -0.16 - 19.84℃; Inert atmosphere;

: 2,2,6-trimethyl-1,2,3,5-tetrahydro-s-indacene

: 75-78-5
dimethylsilicon dichloride

: chloro(dimethyl)(2,6,6-trimethyl-1,5,6,7-tetrahydro-s-indacen-1-yl)silane

Conditions

Conditions	Yield
Stage #1: 2,2,6-trimethyl-1,2,3,5-tetrahydro-s-indacene With n-butyllithium In tetrahydrofuran; hexane; toluene at 20 - 60℃; for 4h; Stage #2: dimethylsilicon dichloride In tetrahydrofuran; hexane; toluene for 1h; Reflux;	100%

: 2,2,7-trimethyl-1,2,3,6-tetrahydro-as-indacene

: 75-78-5
dimethylsilicon dichloride

: chloro(dimethyl)(2,7,7-trimethyl-3,6,7,8-tetrahydro-as-indacen-3-yl)silane

Conditions

Conditions	Yield
Stage #1: 2,2,7-trimethyl-1,2,3,6-tetrahydro-as-indacene With n-butyllithium In tetrahydrofuran; hexane; toluene at 60℃; for 4h; Stage #2: dimethylsilicon dichloride In tetrahydrofuran; hexane; toluene at 20℃; for 1h;	100%

: 1-(2-methyl-1H-inden-4-yl)-1,2,3,4-tetrahydroquinoline

: 75-78-5
dimethylsilicon dichloride

: 1-(1-(chlorodimethylsilyl)-2-methyl-1H-inden-4-yl)-1,2,3,4-tetrahydroquinoline

Conditions

Conditions	Yield
Stage #1: 1-(2-methyl-1H-inden-4-yl)-1,2,3,4-tetrahydroquinoline With n-butyllithium In diethyl ether at -78 - 20℃; Schlenk technique; Stage #2: dimethylsilicon dichloride In diethyl ether at -78 - 20℃; Schlenk technique;	100%

: 1417537-10-0
2-methyl-5-tert-Butyl-6-methoxy-7-(3,5-di-tert-butylphenyl)-1H-indene

: 75-78-5
dimethylsilicon dichloride

: bis[6-tert-butyl-4-(3,5-di-tert-butylphenyl)-5-methoxy-2-methyl-1H-inden-1-yl]dimethylsilane

Conditions

Conditions	Yield
Stage #1: 5-tert-butyl-7-(3,5-di-tert-butylphenyl)-6-methoxy-2-methyl-1H-indene With n-butyllithium In diethyl ether; hexane at -50 - 20℃; for 4h; Stage #2: With copper(l) cyanide In diethyl ether at -50 - -25℃; for 0.5h; Stage #3: dimethylsilicon dichloride In diethyl ether at 20℃;	100%

: 1502-03-0
Cyclododecylamine

: 1-(5-methyl-2-furyl)indene

: 75-78-5
dimethylsilicon dichloride

: (cyclododecylamine){3-(5-methyl-2-furyl)indenyl}dimethylsilane

Conditions

Conditions	Yield
Stage #1: 1-(5-methyl-2-furyl)indene With n-butyllithium In tetrahydrofuran; hexane at -78 - 20℃; for 2h; Stage #2: dimethylsilicon dichloride In tetrahydrofuran; hexane at -78 - 20℃; for 2h; Stage #3: Cyclododecylamine Further stages;	100%

...Expand

: lithium(trimethylsilyl)methylcyclopentadienide

: 75-78-5
dimethylsilicon dichloride

: dimethylsilyl-bis((trimethylsilyl)methylcyclopentadiene)

Conditions

Conditions	Yield
In tetrahydrofuran at -25℃;	100%

: 4,8-di(3,5-dimethylphenyl)-6-methyl-1,2,3,5-tetrahydro-s-indacene

: 75-78-5
dimethylsilicon dichloride

: [4,8-bis(3,5-dimethylphenyl)-2-methyl-1,5,6,7-tetrahydro-s-indacen-1-yl]chlorodimethylsilane

Conditions

Conditions	Yield
Stage #1: 4,8-di(3,5-dimethylphenyl)-6-methyl-1,2,3,5-tetrahydro-s-indacene With n-butyllithium In tetrahydrofuran; diethyl ether; hexane at -30 - 20℃; Stage #2: dimethylsilicon dichloride In tetrahydrofuran; diethyl ether; hexane at -50 - 20℃;	100%
Stage #1: 4,8-di(3,5-dimethylphenyl)-6-methyl-1,2,3,5-tetrahydro-s-indacene With n-butyllithium In tetrahydrofuran; diethyl ether; hexane at -30 - 20℃; Stage #2: dimethylsilicon dichloride In tetrahydrofuran; diethyl ether; hexane at -50 - 20℃;	100%

: Na[(η-9-SMe2-7,8-C2B9H10)]

: 75-78-5
dimethylsilicon dichloride

: 1068054-94-3
η1-8-SiMe2Cl-9-SMe2-7,8-C2B9H10

Conditions

Conditions	Yield
In tetrahydrofuran byproducts: NaCl; under Ar; mixt. of Me2SiCl2 and soln. of B compd. in THF stirred at roomtemp. for 3 d; filtered; solvent removed from filtrate by evapn. in vac.; dissolved in THF; pptd. by addition of petroleum ether; recrystd. twice; dried overnight under vac.; elem. anal.;	99.7%

: 124-41-4
sodium methylate

: 75-78-5
dimethylsilicon dichloride

: 1112-39-6
dimethyldimethoxysilan

Conditions

Conditions	Yield
In methanol at 18 - 57℃; for 3.5h;	99%
With diethyl ether

: 75-78-5
dimethylsilicon dichloride

: 62-53-3
aniline

: 13435-09-1
Bis(anilino)dimethylsilane

Conditions

Conditions	Yield
With triethylamine In diethyl ether Cooling with ice; Inert atmosphere; Schlenk technique;	99%
In diethyl ether for 1h; Substitution; aminolysis;	81%
With triethylamine In pentane at -0.16 - 19.84℃; Inert atmosphere;	55%

: 93533-83-6
2,2′-(ethyne-1,2-diyl)diphenol

: 75-78-5
dimethylsilicon dichloride

: 6,6-dimethyl-12,13-didehydrobenzo[d,h][1,3,2]dioxasilonine

Conditions

Conditions	Yield
With triethylamine In dichloromethane at 20℃; for 12h; Cyclization;	99%

: 74472-22-3
allyl tert-butyldimethylsilane

: 75-78-5
dimethylsilicon dichloride

: 1-(tert-butyl-dimethyl-silanyl)-3-{[3-(tert-butyl-dimethyl-silanyl)-allyl]-dimethyl-silanyl}-propene

Conditions

Conditions	Yield
Stage #1: allyl tert-butyldimethylsilane With n-butyllithium In hexane at -78 - 20℃; Metallation; Stage #2: dimethylsilicon dichloride In hexane for 15h; silylation; Further stages.;	99%

: 5920-84-3
2-bromo-4,6-di-tert-butylphenyl trimethylsilyl ether

: 75-78-5
dimethylsilicon dichloride

: (3,5-di-tert-butyl-2-trimethylsiloxyphenyl)chlorodimethylsilane

Conditions

Conditions	Yield
With n-butyllithium In tetrahydrofuran; hexane	99%

: 93109-75-2
(tert-butylamino){tert-butyl(trimethylsilyl)amino}borane

: 75-78-5
dimethylsilicon dichloride

: 112795-02-5
{tert-butyl(chlorodimethylsilyl)amino}{tert-butyl(trimethylsilyl)amino}chloroborane

Conditions

Conditions	Yield
In hexane addn. of soln. of (CH3)3SiNC(CH3)3BNC(CH3)3 in hexane at 20°C to (CH3)2SiCl2 at 60°C; removal of solvent, distn.; elem. anal.;	99%

: 4-bromo-2-isopropoxy-1-vinylbenzene

: 75-78-5
dimethylsilicon dichloride

: 1080555-72-1
C13H19ClOSi

Conditions

Conditions	Yield
Stage #1: 4-bromo-2-isopropoxy-1-vinylbenzene With iodine; magnesium In tetrahydrofuran Inert atmosphere; Reflux; Stage #2: dimethylsilicon dichloride In tetrahydrofuran at 0 - 20℃; Inert atmosphere;	99%

Dichlorodimethylsilane Chemical Properties

The Molecular Structure of Dichlorodimethylsilane (CAS NO.75-78-5):

Molecular Formula: C₂H₆Cl₂Si
Molecular Weight: 129.06
EINECS: 200-901-0
Density: 1.06
Melting Point: -76 °C
Boiling Point: 70 °C
Flash Point: -9 °C
Appearance: Colourless liquid
Storage temp: Store at 0-5°C
Water Solubility: reacts
Sensitive: Moisture Sensitive
IUPAC: dichloro(dimethyl)silane
Synonyms: Dichlorodimethyl-silan ; Dichlorodimethylsilicon ; Dimethyldichlorosilicane ; Dimethyl-dichlorsilan ; Dimethyl-dichlorsilan(czech) ; Dimethyldichlorsilane ; Dimethylsilanedichloride
Stability: Stable. Reacts violently with water and alcohols. Highly flammable. Incompatible with strong oxidizing agents, water, alcohols, caustics, ammonia.
Product Categories: Chloro;Silicon Compounds;Organics;Dichlorosilanes;Dichlorosilanes (for Polysilanes);Functional Materials;Reagent for High-Performance Polymer Research;Si (Classes of Silicon Compounds);Si-Cl Compounds;Silicon Compounds (for Synthesis);Synthetic Organic Chemistry;Chloro Silanes

Dichlorodimethylsilane Uses

Dichlorodimethylsilane (CAS NO.75-78-5) is used in ethchlorvynol assay.

Dichlorodimethylsilane Toxicity Data With Reference

1.	skn-rbt 20 mg/24H MOD	85JCAE Prehled Prumyslove Toxikologie; Organicke Latky Marhold, J.,Prague, Czechoslovakia.: Avicenum,1986,1219.
2.	eye-rbt 5 mg/24H SEV	85JCAE Prehled Prumyslove Toxikologie; Organicke Latky Marhold, J.,Prague, Czechoslovakia.: Avicenum,1986,1219.
3.	orl-rat LD50:5660 µL/kg	JACTDZ Journal of the American College of Toxicology. 12 (1993),573.
4.	ihl-rat LC50:930 ppm/4H	85JCAE Prehled Prumyslove Toxikologie; Organicke Latky Marhold, J.,Prague, Czechoslovakia.: Avicenum,1986,1219.
5.	ipr-rat LDLo:10 mg/kg	JIDHAN Journal of Industrial Hygiene. 30 (1948),332.
6.	ihl-mus LC50:300 mg/m3/2H	TPKVAL Toksikologiya Novykh Promyshlennykh Khimicheskikh Veshchestv. Toxicology of New Industrial Chemical Sciences. 3 (1961),23.

Dichlorodimethylsilane Consensus Reports

EPA Extremely Hazardous Substances List. Reported in EPA TSCA Inventory.

Dichlorodimethylsilane Safety Profile

Poison by ingestion and intraperitoneal routes. Moderately toxic by inhalation. A skin and severe eye irritant. Violent reaction on contact with water. When heated to decomposition it emits toxic fumes of Cl⁻. See also CHLOROSILANES.
Hazard Codes: Harmful Xi Harmful XnFN
Risk Statements: 20-59-36/37/38-11-67-65-63-48/20-38-20/21-50/53
R20: Harmful by inhalation
R59: Dangerous to the ozone layer
R36/37/38: Irritating to eyes, respiratory system and skin
R11: Highly flammable
R67: Vapours may cause drowsiness and dizziness
R65: Harmful: may cause lung damage if swallowed
R63: Possible risk of harm to the unborn child
R38: Irritating to skin
R20/21: Harmful by inhalation and in contact with skin
R50/53: Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment
Safety Statements: 60-61-62-36/37-59
S60: This material and its container must be disposed of as hazardous waste
S61: Avoid release to the environment. Refer to special instructions / safety data sheets
S62: If swallowed, do not induce vomitting; seek medical advice immediately and show this container or label
S36/37: Wear suitable protective clothing and gloves
S59: Refer to manufacturer / supplier for information on recovery / recycling
RIDADR: UN 2924 3/PG 2
WGK Germany: 3
RTECS: VV3150000
F: 3-10-19-21
TSCA: Yes
HazardClass: 3
PackingGroup: II
HS Code: 29310095

Dichlorodimethylsilane Standards and Recommendations

DOT Classification: 3; Label: Flammable Liquid, Corrosive

Product Name

Dichlorodimethylsilane

Synthetic route

Dichlorodimethylsilane Chemical Properties

Dichlorodimethylsilane Uses

Dichlorodimethylsilane Toxicity Data With Reference

Dichlorodimethylsilane Consensus Reports

Dichlorodimethylsilane Safety Profile

Dichlorodimethylsilane Standards and Recommendations

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