CAS No.6843-66-9,Diphenyldimethoxysilane Suppliers,MSDS download

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Basic Information

Molecular Structure:
CAS No.:	6843-66-9
Name:	Diphenyldimethoxysilane
Article Data:	41

Formula:	C₁₄H₁₆O₂Si
Molecular Weight:	244.365
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;
EINECS:	229-929-1
Density:	1.05 g/cm³
Melting Point:	<0 °C
Boiling Point:	286.6 °C at 760 mmHg
Flash Point:	159.1 °C
Solubility:	3mg/L at 20℃
Appearance:	Colorless clear liquid
Hazard Symbols:	Xi
Risk Codes:	38
Safety:	28-37
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%

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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,