Diphenyldimethoxysilane supplier

Name
Diphenyldimethoxysilane
EINECS 229-929-1
CAS No. 6843-66-9
Article Data41
CAS DataBase
Density 1.05 g/cm³
Solubility 3mg/L at 20℃
Melting Point <0 °C
Formula C₁₄H₁₆O₂Si
Boiling Point 286.6 °C at 760 mmHg
Molecular Weight 244.365
Flash Point 159.1 °C
Transport Information
Appearance Colorless clear liquid
Safety 28-37
Risk Codes 38
Molecular Structure
Hazard Symbols Xi
Synonyms Silane,dimethoxydiphenyl- (6CI,7CI,8CI,9CI);AY 43-047;AZ 6183;D 6010;Dimethoxydiphenylsilane;KBM 202;KBM 202LS5300;KBM202S;KBM 202SS;LS 5300;NSC 93509;OF 1 (silane);TSL 8172;Z 6074;
PSA 18.46000
LogP 1.53580

Synthetic route

: 67-56-1
methanol

: 775-12-2
diphenylsilane

: 6843-66-9
dimethoxy(diphenyl)silane

Conditions

Conditions	Yield
With potassium hexamethylsilazane In neat liquid at 30℃; for 2h; Schlenk technique; Inert atmosphere; chemoselective reaction;	99%
With chlorine[2-(4,5-dihydro-1H-imidazol-2-yl)-6-methoxypyridine](pentamethylcyclopentadienyl)iridium(III) chloride In tetrahydrofuran at 20℃; for 8h; Schlenk technique; chemoselective reaction;	90%
With air; hydrido(triphenylphosphine)copper(I) hexamer In benzene for 1.5h; Ambient temperature;	76%

: 67-56-1
methanol

: Cp*Mo(CO)2(κ2-N,Si-iPrHNSiPh2)

A: Cp*(CO)2Mo(μ-OMe)(μ-H)Mo(CO)2Cp*

B: 6843-66-9
dimethoxy(diphenyl)silane

C: 75-31-0
isopropylamine

Conditions

Conditions	Yield
In benzene-d6 at 20℃; for 24h; Cooling with liquid nitrogen; Sealed tube; Inert atmosphere;	A n/a B 97% C 74%

...Expand

: 67-56-1
methanol

: methoxydiphenyl(isopropyl-amino)silane

: 6843-66-9
dimethoxy(diphenyl)silane

Conditions

Conditions	Yield
In benzene-d6 at 20℃; for 2h; Cooling with liquid nitrogen; Sealed tube; Inert atmosphere;	95%

: 67-56-1
methanol

: 124-41-4
sodium methylate

: 80-10-4
diphenylsilyl dichloride

: 6843-66-9
dimethoxy(diphenyl)silane

Conditions

Conditions	Yield
In diethyl ether at 40℃; for 4h; Time; Temperature; Inert atmosphere;	94.16%

...Expand

: 124-41-4
sodium methylate

: 80-10-4
diphenylsilyl dichloride

: 6843-66-9
dimethoxy(diphenyl)silane

Conditions

Conditions	Yield
In methanol; diethyl ether at 40℃; for 4h; Temperature; Concentration; Solvent; Inert atmosphere;	94.16%

: 67-56-1
methanol

: 80-10-4
diphenylsilyl dichloride

: 6843-66-9
dimethoxy(diphenyl)silane

Conditions

Conditions	Yield
In diethyl ether at 40℃; for 3.5h; Inert atmosphere;	78.3%

: 3115-68-2
tetrabutyl phosphonium bromide

: 80-10-4
diphenylsilyl dichloride

: 6843-66-9
dimethoxy(diphenyl)silane

Conditions

Conditions	Yield
In sulfolane	78%

: 681-84-5
tetramethylorthosilicate

: 20699-69-8
[diphenylmanganese]

A: 2996-92-1
phenyl trimethylsiloxane

B: 6843-66-9
dimethoxy(diphenyl)silane

Conditions

Conditions	Yield
In toluene at 80℃; for 2h; Inert atmosphere; Schlenk technique;	A 12% B 77%

...Expand

: 681-84-5
tetramethylorthosilicate

: diphenylmanganese

A: 2996-92-1
phenyl trimethylsiloxane

B: 6843-66-9
dimethoxy(diphenyl)silane

Conditions

Conditions	Yield
In toluene at 80℃; for 2h; Inert atmosphere; Schlenk technique;	A 12% B 77%

...Expand

: 67-56-1
methanol

: 71-43-2
benzene

: 6843-66-9
dimethoxy(diphenyl)silane

Conditions

Conditions	Yield
Stage #1: methanol; benzene With pyridine; tetrachlorosilane for 0.333333h; cooling; Stage #2: at 70 - 80℃; for 5h;	71%

: 118398-34-8
(OC)4Mn(μ-SiPh2)(μ-H)Pt(PPh3)2

A: 16925-29-4
tetracarbonylhydrido(triphenylphosphine)manganese

: 118398-37-1
(OC)4Mn(μ-PPh2)(μ-H)PtPh(PPh3)

C: 6843-66-9
dimethoxy(diphenyl)silane

Conditions

Conditions	Yield
With methanol In benzene byproducts: H2; addn. of methanol to soln. of (OC)4Mn(SiPh2)(H)Pt(PPh3), stirring for ca. 8 h, standing overnight (dry and oxygen-free conditions); isolation of crystals formed, elem. anal.;	A <1 B 50% C n/a

...Expand

: 118398-33-7
(OC)4Mn(μ-SiMe2)(μ-H)Pt(PPh3)2

A: 16925-29-4
tetracarbonylhydrido(triphenylphosphine)manganese

: 118398-37-1
(OC)4Mn(μ-PPh2)(μ-H)PtPh(PPh3)

C: 6843-66-9
dimethoxy(diphenyl)silane

Conditions

Conditions	Yield
With methanol In benzene byproducts: H2; addn. of methanol to soln. of (OC)4Mn(SiMe2)(H)Pt(PPh3), stirring for ca. 5 h, standing overnight (dry and oxygen-free conditions); isolation of crystals formed, elem. anal.;	A <1 B 50% C n/a

...Expand

: 18544-45-1
dichlorodimethoxysilane

: 6843-66-9
dimethoxy(diphenyl)silane

Conditions

Conditions	Yield
With C6H5Cl; Na In toluene at 110°C;;
With sodium; chlorobenzene In toluene at 110°C;;

: 67-56-1
methanol

: 775-12-2
diphenylsilane

A: 40391-85-3
diphenyl(methoxy)silane

B: 6843-66-9
dimethoxy(diphenyl)silane

Conditions

Conditions	Yield
With [(PNP)(H)Ir=SiPh2][B(C6F5)4] In bromobenzene-d5 at 20℃; Inert atmosphere;	A 70 %Spectr. B 22 %Spectr.
With tetrakis(trimethylphosphine)nickel(0) In benzene-d6 at 80℃; for 20h; Inert atmosphere; Glovebox; Schlenk technique;

...Expand

: 1185-55-3
Methyltrimethoxysilan

: 947-42-2
diphenylsilanediol

A: 476161-46-3
methoxydiphenylsilanol

B: 6843-66-9
dimethoxy(diphenyl)silane

Conditions

Conditions	Yield
In tetrahydrofuran at 23℃; for 24h;

...Expand

: 1185-55-3
Methyltrimethoxysilan

: 947-42-2
diphenylsilanediol

A: 10175-48-1
1,1,5,5-tetramethoxy-1,5-dimethyl-3,3-diphenyltrisiloxane

B: 6843-66-9
dimethoxy(diphenyl)silane

Conditions

Conditions	Yield
With 1,8-diazabicyclo[5.4.0]undec-7-ene In tetrahydrofuran at -20℃; for 5h;

...Expand

: 2996-92-1
phenyl trimethylsiloxane

: 100-59-4
phenylmagnesium chloride

: 6843-66-9
dimethoxy(diphenyl)silane

Conditions

Conditions	Yield
In tetrahydrofuran at 60 - 70℃; for 1h; Inert atmosphere;	200.2 g

: 108-86-1
bromobenzene

: 2996-92-1
phenyl trimethylsiloxane

: 6843-66-9
dimethoxy(diphenyl)silane

Conditions

Conditions	Yield
With magnesium In tetrahydrofuran; toluene at 60 - 70℃; for 1h; Concentration; Inert atmosphere;	232 g

: 124-38-9
carbon dioxide

: 775-12-2
diphenylsilane

: 6843-66-9
dimethoxy(diphenyl)silane

Conditions

Conditions	Yield
With C21H41N3NiP2 In N,N-dimethyl-formamide at 20 - 60℃; for 36h; Sealed tube;
With 1,10-Phenanthroline; manganese(II) acetate In [D3]acetonitrile at 80℃; for 24h; Catalytic behavior; Reagent/catalyst;

: 124-38-9
carbon dioxide

: 775-12-2
diphenylsilane

A: 258267-34-4
diphenyldiformoxysilane

B: 6843-66-9
dimethoxy(diphenyl)silane

Conditions

Conditions	Yield
With 1,10-Phenanthroline; zinc diacetate In [D3]acetonitrile at 80℃; under 1875.19 Torr; for 24h; Catalytic behavior; Kinetics; Temperature; Autoclave; Glovebox;

...Expand

: 17950-94-6
dideuteriodiphenylsilane

A: 258267-34-4
diphenyldiformoxysilane

B: 6843-66-9
dimethoxy(diphenyl)silane

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: zinc diacetate; 1,10-Phenanthroline / [D3]acetonitrile / 0.5 h / 25 °C 2: zinc diacetate; 1,10-Phenanthroline / [D3]acetonitrile / 24 h / 80 °C / 1875.19 Torr / Autoclave; Glovebox View Scheme

: 17950-94-6
dideuteriodiphenylsilane

: 6843-66-9
dimethoxy(diphenyl)silane

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: zinc diacetate; 1,10-Phenanthroline / [D3]acetonitrile / 0.5 h / 25 °C 2: 1,10-Phenanthroline; manganese(II) acetate / [D3]acetonitrile / 24 h / 80 °C View Scheme

: 6843-66-9
dimethoxy(diphenyl)silane

: 312-40-3
difluorodiphenylsilane

Conditions

Conditions	Yield
With boron trifluoride diethyl etherate at 20℃; for 48h; Inert atmosphere;	99%
With lithium hexafluorophosphate at 200℃; for 0.5h;	98%
With lithium hexafluorophosphate In various solvent(s) at 200℃; for 0.5h;	98%
With boron trifluoride diethyl etherate at 40℃; for 24h;	7.57 g

: 6843-66-9
dimethoxy(diphenyl)silane

: 104-87-0
4-methyl-benzaldehyde

: 1517-63-1
4-methylphenyl(phenyl)methanol

Conditions

Conditions	Yield
Stage #1: dimethoxy(diphenyl)silane; 4-methyl-benzaldehyde With 1,1'-bis-(diphenylphosphino)ferrocene; (PPh3)3CuF In N,N-dimethyl-formamide at 40℃; for 1h; Stage #2: With tetrabutyl ammonium fluoride In tetrahydrofuran; N,N-dimethyl-formamide at 20℃; for 0.166667h;	99%

: 6843-66-9
dimethoxy(diphenyl)silane

: 4-hydroxymethyl-2,6,7-trioxabicyclo[2.2.2]octan-1-yl-phosphanethione

: C24H26O10P2S2Si

Conditions

Conditions	Yield
at 25 - 120℃; Temperature; Inert atmosphere;	98.1%

: 6843-66-9
dimethoxy(diphenyl)silane

: 75-16-1
methylmagnesium bromide

: 18407-48-2
methoxy(methyl)diphenylsilane

Conditions

Conditions	Yield
In diethyl ether at 0 - 20℃; for 12h;	98%
In diethyl ether at 0 - 20℃; for 12h; Inert atmosphere;	98%

: 6843-66-9
dimethoxy(diphenyl)silane

: 67-56-1
methanol

Conditions

Conditions	Yield
With water; sodium hydroxide at 20℃; for 24h;	98%

: 6843-66-9
dimethoxy(diphenyl)silane

: 1,1,1-triethyl-3-phenyldisiloxane

: C36H52O4Si5

Conditions

Conditions	Yield
With tris(pentafluorophenyl)borate In toluene at 20℃; for 13h; Inert atmosphere;	96%

: 6843-66-9
dimethoxy(diphenyl)silane

: 925-90-6
ethylmagnesium bromide

: 112675-36-2
ethyl(methoxy)(diphenyl)silane

Conditions

Conditions	Yield
In diethyl ether at 0 - 20℃; for 12h; Inert atmosphere;	95%

: 626-55-1
3-Bromopyridine

: 6843-66-9
dimethoxy(diphenyl)silane

: 1008-88-4
3-phenylpyridine

Conditions

Conditions	Yield
With sodium hydroxide; palladium diacetate at 60℃; for 6h; Hiyama reaction;	93%

: 104-92-7
1-bromo-4-methoxy-benzene

: 6843-66-9
dimethoxy(diphenyl)silane

: 613-37-6
4-methoxylbiphenyl

Conditions

Conditions	Yield
With sodium hydroxide; palladium diacetate at 60℃; for 6h; Hiyama reaction;	92%

: 1800-42-6
2-naphthyl trifluoromethyl ketone

: 6843-66-9
dimethoxy(diphenyl)silane

: 2,2,2-trifluoro-1-(2-naphthyl)-1-phenylethanol

Conditions

Conditions	Yield
Stage #1: 2-naphthyl trifluoromethyl ketone; dimethoxy(diphenyl)silane With CuF-(R)-DTBM-SEGPHOS In toluene at 70℃; for 37h; Stage #2: With tetrabutyl ammonium fluoride In tetrahydrofuran; toluene at 20℃;	91%

: 6843-66-9
dimethoxy(diphenyl)silane

: 1730-25-2
allylmagnesium bromide

: 324000-48-8
methoxydiphenyl(prop-2-enyl)silane

Conditions

Conditions	Yield
In diethyl ether at 0 - 20℃; for 12h;	90%
In diethyl ether at 0 - 20℃; for 12h; Inert atmosphere;	90%
In diethyl ether at 0 - 20℃; for 2.5h;	82%
In diethyl ether	82%

: 6843-66-9
dimethoxy(diphenyl)silane

: 37586-57-5
4-methyl-3-pentenylmagnesium bromide

: 1100765-88-5
C19H24OSi

Conditions

Conditions	Yield
In diethyl ether at 0℃; for 1h; Inert atmosphere;	90%

: 6843-66-9
dimethoxy(diphenyl)silane

: 100-58-3
phenylmagnesium bromide

: 1829-41-0
methoxy-triphenyl-silane

Conditions

Conditions	Yield
In diethyl ether at 0 - 20℃; for 12h; Inert atmosphere;	90%

: 6843-66-9
dimethoxy(diphenyl)silane

: 824-79-3
sodium 4-methylbenzenesulfinate

: 644-08-6
4-Methylbiphenyl

Conditions

Conditions	Yield
With tetrabutyl ammonium fluoride; palladium dichloride In tetrahydrofuran at 70℃; for 3h; Hiyama Coupling;	90%

: 6843-66-9
dimethoxy(diphenyl)silane

: 100-63-0
phenylhydrazine

: 92-52-4
biphenyl

Conditions

Conditions	Yield
With bis(benzonitrile)palladium(II) dichloride; camphor-10-sulfonic acid; tetrabutyl ammonium fluoride In tetrahydrofuran at 50℃; for 3h; Hiyama Coupling;	90%

: 6843-66-9
dimethoxy(diphenyl)silane

: 106-40-1
4-bromo-aniline

: 92-66-0
4-bromo-1,1'-biphenyl

Conditions

Conditions	Yield
Stage #1: 4-bromo-aniline With hydrogenchloride In water at 0 - 5℃; Stage #2: With sodium tetrafluoroborate; sodium nitrite In water at 5℃; for 0.166667h; Stage #3: dimethoxy(diphenyl)silane With methanol; palladium diacetate at 25℃; for 6h; Hiyama coupling; chemoselective reaction;	89%

: 3277-26-7
1,1,3,3-Tetramethyldisiloxane

: 6843-66-9
dimethoxy(diphenyl)silane

: 17875-55-7
1,1,5,5-tetramethyl-3,3-diphenyl-trisiloxane

Conditions

Conditions	Yield
Stage #1: dimethoxy(diphenyl)silane With sulfuric acid for 0.166667h; Stage #2: 1,1,3,3-Tetramethyldisiloxane for 28h;	88.97%

: 6843-66-9
dimethoxy(diphenyl)silane

: 106-49-0
p-toluidine

: 644-08-6
4-Methylbiphenyl

Conditions

Conditions	Yield
Stage #1: p-toluidine With hydrogenchloride In water at 0 - 5℃; Stage #2: With sodium tetrafluoroborate; sodium nitrite In water at 5℃; for 0.166667h; Stage #3: dimethoxy(diphenyl)silane With methanol; palladium diacetate at 25℃; for 6h; Hiyama coupling;	86%
Stage #1: p-toluidine With hydrogenchloride; sodium nitrite In water at 0 - 5℃; Stage #2: With sodium tetrafluoroborate In water for 0.166667h; Stage #3: dimethoxy(diphenyl)silane With tetrabutyl ammonium fluoride; palladium diacetate In water at 25℃; for 6h; Hiyama Coupling;

: 123-75-1
pyrrolidine

: 6843-66-9
dimethoxy(diphenyl)silane

: 1384834-55-2
methoxy(diphenyl)pyrrolidinosilane

Conditions

Conditions	Yield
Stage #1: pyrrolidine With n-butyllithium In hexane; pentane at -30 - 0℃; for 1h; Stage #2: dimethoxy(diphenyl)silane In hexane at -60 - 20℃; for 20h;	86%

: 6843-66-9
dimethoxy(diphenyl)silane

: 2,2''-dibromo-5'-(2-bromo-5-fluorophenyl)-5,5''-difluoro-1,1':3',1''-terphenyl

: (5,5''-difluoro-5'-(5-fluoro-2-(methoxydiphenylsilyl)phenyl)-[1,1':3',1''-terphenyl]-2,2''-diyl)bis(methoxydiphenylsilane)

Conditions

Conditions	Yield
Stage #1: 2,2''-dibromo-5'-(2-bromo-5-fluorophenyl)-5,5''-difluoro-1,1':3',1''-terphenyl With tert.-butyl lithium In diethyl ether; pentane at -125 - 20℃; for 1.66667h; Inert atmosphere; Stage #2: dimethoxy(diphenyl)silane In diethyl ether; pentane at -125 - 20℃; for 12.25h; Inert atmosphere;	86%

: 6843-66-9
dimethoxy(diphenyl)silane

: 108-69-0
3,5-dimethylaminoaniline

: 17057-88-4
3,5-dimethylbiphenyl

Conditions

Conditions	Yield
Stage #1: 3,5-dimethylaminoaniline With hydrogenchloride In water at 0 - 5℃; Stage #2: With sodium tetrafluoroborate; sodium nitrite In water at 5℃; for 0.166667h; Stage #3: dimethoxy(diphenyl)silane With methanol; palladium diacetate at 25℃; for 6h; Hiyama coupling;	85%

: 6843-66-9
dimethoxy(diphenyl)silane

: 54655-07-1
lithium trimethylsilylacetylenide

: 1-[methoxy(diphenyl)silyl]-2-(trimethylsilyl)acetylene

Conditions

Conditions	Yield
In tetrahydrofuran at 20℃; for 0.5h; Inert atmosphere;	85%

: 2488-01-9
1,4-bis(dimethylsilyl)benzene

: 6843-66-9
dimethoxy(diphenyl)silane

polymer, Mw 30292 Da, Mw/Mn 2.78; monomer(s): 1,4-bis(dimethylsilyl)benzene; diphenyldimethoxysilane: polymer, Mw 30292 Da, Mw/Mn 2.78; monomer(s): 1,4-bis(dimethylsilyl)benzene; diphenyldimethoxysilane

Conditions

Conditions	Yield
With tris(pentafluorophenyl)borate In toluene for 3h;	83%

: 6843-66-9
dimethoxy(diphenyl)silane

: 88419-38-9
2-hydroxymethyl-1-(3-hydroxypropyl)aziridine

: 6,6-diphenyl-5,7-dioxa-6-sila-1-azabicyclo[7.1.0]decane

Conditions

Conditions	Yield
With sodium methylate for 12h; Ambient temperature;	81%

: 6843-66-9
dimethoxy(diphenyl)silane

: N-(quinolin-8-yl)but‐3‐enamide

: 1449300-08-6
4-phenyl-N-(quinolin-8-yl)butanamide

Conditions

Conditions	Yield
With copper (II)-fluoride; water; palladium diacetate In tetrahydrofuran at 100℃; for 24h; Sealed tube;	81%

Diphenyldimethoxysilane Specification

The Benzene,1,1'-(dimethoxysilylene)bis-, with the CAS registry number 6843-66-9, has the IUPAC name of dimethoxy(diphenyl)silane. For being a kind of colorless clear liquid, it is sensitive to moisture, with the product categories including Dialkoxysilanes; Functional Materials; Si (Classes of Silicon Compounds); Silane Coupling Agents; Silane Coupling Agents (Intermediates); Si-O Compounds; Phenyl Silanes. As to its usage, it is usually applied in the propylene polymerization reaction.

The characteristics of this chemical are as follows: (1)ACD/LogP: 3.86; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 3.86; (4)ACD/LogD (pH 7.4): 3.86; (5)ACD/BCF (pH 5.5): 502.98; (6)ACD/BCF (pH 7.4): 502.98; (7)ACD/KOC (pH 5.5): 2987.93; (8)ACD/KOC (pH 7.4): 2987.93; (9)#H bond acceptors: 2; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 4; (12)Polar Surface Area: 18.46; (13)Index of Refraction: 1.543; (14)Molar Refractivity: 72.95 cm³; (15)Molar Volume: 231.3 cm³; (16)Polarizability: 28.92 ×10^-24 cm³; (17)Surface Tension: 33.8 dyne/cm; (18)Density: 1.05 g/cm³; (19)Flash Point: 159.1 °C; (20)Enthalpy of Vaporization: 50.46 kJ/mol; (21)Boiling Point: 286.6 °C at 760 mmHg; (22)Vapour Pressure: 0.00451 mmHg at 25°C; (23)Exact Mass: 244.091956; (24)MonoIsotopic Mass: 244.091956; (25)Topological Polar Surface Area: 18.5; (26)Heavy Atom Count: 17; (27)Complexity: 196; (28)Covalently-Bonded Unit Count: 1.

When you are dealing with this chemical, you should be cautious. This is a irritating to skin and may cause inflammation to the skin or other mucous membranes, so you should wear suitable gloves. After contact with skin, wash immediately with plenty of ... (to be specified by the manufacturer).

In addition, you could convert the following datas into the molecular structure:
(1)Canonical SMILES: CO[Si](C1=CC=CC=C1)(C2=CC=CC=C2)OC
(2)InChI: InChI=1S/C14H16O2Si/c1-15-17(16-2,13-9-5-3-6-10-13)14-11-7-4-8-12-14/h3-12H,1-2H3
(3)InChIKey: AHUXYBVKTIBBJW-UHFFFAOYSA-N

Below are the toxicity information of this chemical:

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Effect	Source
rat	LC	inhalation	> 42mg/m³/4H (42mg/m³)		National Technical Information Service. Vol. OTS0539962,

Product Name

Diphenyldimethoxysilane

Synthetic route

Diphenyldimethoxysilane Specification

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