Dimethylsilanediol supplier

Name
dimethylsilanediol
EINECS 213-915-7
CAS No. 1066-42-8
Article Data21
CAS DataBase
Density 0.999 g/cm³
Solubility
Melting Point 101℃
Formula C₂H₈O₂Si
Boiling Point 122.193 °C at 760 mmHg
Molecular Weight 92.1698
Flash Point 27.701 °C
Transport Information
Appearance
Safety
Risk Codes
Molecular Structure
Hazard Symbols
Synonyms Silanediol,dimethyl- (6CI,7CI,8CI,9CI);Dihydroxydimethylsilane;Dimethyldihydroxysilane;
PSA 40.46000
LogP -0.32720

Synthetic route

: 50870-64-9
dibenzyloxydimethylsilane

: 1066-42-8
dimethylsilanediol

Conditions

Conditions	Yield
With palladium-platinum; hydrogen; aniline at 20℃; for 2h;	98%

: 78-62-6
diethoxy dimethylsilane

: 1066-42-8
dimethylsilanediol

Conditions

Conditions	Yield
With H2O In water byproducts: C2H5OH; (CH3)2Si(OC2H5)2 (0.5 mol) and H2O (2 mol) at room temp. for 2 days (shaking);; evapn. of H2O and ethanol at 25°C;;	92%
With water

: 50870-64-9
dibenzyloxydimethylsilane

A: 1066-42-8
dimethylsilanediol

B: 1118-15-6
tetramethyl-1,3-disiloxanediol

Conditions

Conditions	Yield
With palladium-platinum; hydrogen; aniline In N,N-dimethyl acetamide at 20℃; for 2h; Concentration;	A 88% B 6%

: 1112-39-6
dimethyldimethoxysilan

: 1066-42-8
dimethylsilanediol

Conditions

Conditions	Yield
With water
With water; acetic anhydride at 20 - 40℃; for 0.25h; Hydrolysis;
With H2O In water byproducts: CH3OH; heating of (CH3)2Si(OCH3)2 and H2O;; evapn. of H2O and CH3OH at room temp. by passing over of dry N2; washing of the residue with hot n-hexane; residue;;	65-78
With H2O In water byproducts: CH3OH; heating of (CH3)2Si(OCH3)2 and H2O;; evapn. of H2O and CH3OH at room temp. by passing over of dry N2; washing of the residue with hot n-hexane; residue;;	65-78

: 75-78-5
dimethylsilicon dichloride

A: 1066-42-8
dimethylsilanediol

B: 67-64-1
acetone

Conditions

Conditions	Yield
With diethyl ether; water; aniline

: 1118-15-6
tetramethyl-1,3-disiloxanediol

A: 1066-42-8
dimethylsilanediol

B: 3663-50-1
1,1,3,3,5,5-Hexamethyltrisiloxane-1,5-diol

Conditions

Conditions	Yield
With trifluorormethanesulfonic acid; water In 1,4-dioxane at 35℃; Rate constant;

: 65007-35-4
ethoxydimethylsilanol

: 1066-42-8
dimethylsilanediol

Conditions

Conditions	Yield
With hydrogenchloride In 1,4-dioxane; water at 30℃; Rate constant;

: 75-78-5
dimethylsilicon dichloride

: 1066-42-8
dimethylsilanediol

Conditions

Conditions	Yield
With water
With water; triethylamine In diethyl ether; acetone at 0℃; for 0.5h;
With hydrogenchloride; water at 35℃; under 1500.15 Torr;

: 1009-93-4
2,2,4,4,6,6-hexamethylcyclotrisilazane

A: 1066-42-8
dimethylsilanediol

B: 1118-15-6
tetramethyl-1,3-disiloxanediol

Conditions

Conditions	Yield
With potassium dichromate; sulfuric acid; silver sulfate In water for 2h; Mechanism; Heating; other organosilicon compounds, chemical oxygen demand value, oxidizability, glass beads presence;

: 1118-15-6
tetramethyl-1,3-disiloxanediol

A: 1066-42-8
dimethylsilanediol

B: 3663-50-1
1,1,3,3,5,5-Hexamethyltrisiloxane-1,5-diol

C: 556-67-2
octamethylcyclotetrasiloxane

Conditions

Conditions	Yield
With sulfuric acid In phosphate buffer for 24h; pH=6; Equilibrium constant; Kinetics; Further Variations:; pH-values; Hydrolysis;

...Expand

: 3663-50-1
1,1,3,3,5,5-Hexamethyltrisiloxane-1,5-diol

A: 1066-42-8
dimethylsilanediol

B: 1118-15-6
tetramethyl-1,3-disiloxanediol

Conditions

Conditions	Yield
With sulfuric acid In phosphate buffer for 24h; pH=6; Equilibrium constant; Hydrolysis;

: 1066-40-6
Trimethylsilanol

A: 1066-42-8
dimethylsilanediol

B: 2445-53-6
methylsilanetriol

Conditions

Conditions	Yield
With air; chlorine at 24.85℃; under 740 Torr; Product distribution; Oxidation;

: 78-62-6
diethoxy dimethylsilane

A: 1066-42-8
dimethylsilanediol

B: 65007-35-4
ethoxydimethylsilanol

Conditions

Conditions	Yield
With tetraethoxy orthosilicate; water; ammonium hydroxide In methanol at 25℃; Kinetics;

: 78-62-6
diethoxy dimethylsilane

A: 1066-42-8
dimethylsilanediol

B: 1118-15-6
tetramethyl-1,3-disiloxanediol

Conditions

Conditions	Yield
With H2O In water heating of (CH3)2Si(OC2H5)2 and H2O for a longer period of time;;
With H2O In water heating of (CH3)2Si(OC2H5)2 and H2O for a longer period of time;;

: 1112-39-6
dimethyldimethoxysilan

A: 1066-42-8
dimethylsilanediol

B: 1118-15-6
tetramethyl-1,3-disiloxanediol

C: 60958-36-3
C5H16O3Si2

D: 134178-81-7
methoxydimethylsilanol

Conditions

Conditions	Yield
With silicatein-α In diethyl ether at 20℃; for 5h; Enzymatic reaction;

...Expand

: 1112-39-6
dimethyldimethoxysilan

A: 353-66-2
dimethyldifluorosilane

B: 1066-42-8
dimethylsilanediol

Conditions

Conditions	Yield
With lithium hexafluorophosphate; water for 24h;

: 1066-42-8
dimethylsilanediol

: 18157-20-5
chloro(diethoxy)(methyl)silane

: 1,3,3,5-tetramethyl-1,1,5,5-tetraethoxytrisiloxane

Conditions

Conditions	Yield
With pyridine In toluene at 20℃; for 2h; Cooling with ice;	89%

: 2487-90-3
trimethoxysilane

: 1066-42-8
dimethylsilanediol

: 1415933-90-2
1,1,5,5-tetramethoxy-3,3-dimethyltrisiloxane

Conditions

Conditions	Yield
In benzene at 20℃; for 16h; Inert atmosphere;	80%

: 75-79-6
Methyltrichlorosilane

: 1066-42-8
dimethylsilanediol

A: 56764-53-5
C4H12Cl4O2Si3

B: 2,6-dichloro-2,4,4,6,8,8-hexamethylcyclotetrasiloxane

C: 2,6-dichloro-2,4,4,6,8,8-hexamethylcyclotetrasiloxane

Conditions

Conditions	Yield
With acceptor	A 71% B n/a C n/a
With acceptor Yield given;	A 71% B n/a C n/a

...Expand

: 1066-42-8
dimethylsilanediol

: 75-94-5
trichlorovinylsilane

: 1,1,5,5-tetrachloro-3,3-dimethyl-1,5-divinyltrisiloxane

Conditions

Conditions	Yield
With aniline In diethyl ether at -10 - -5℃; for 1h;	71%

: 18147-06-3
2,2-dimethyl-1,4-dioxa-2-silacyclohexane

: 1066-42-8
dimethylsilanediol

: 18082-60-5
Bis-(2-hydroxy-ethoxymethyl)-hexamethyltrisiloxan

Conditions

Conditions	Yield
With dimethyl sulfoxide; triethylamine at 20℃; for 528h;	66.08%

: 18147-06-3
2,2-dimethyl-1,4-dioxa-2-silacyclohexane

: 1066-42-8
dimethylsilanediol

A: 18082-60-5
Bis-(2-hydroxy-ethoxymethyl)-hexamethyltrisiloxan

B: 127606-04-6
C7H20O4Si2

Conditions

Conditions	Yield
With dimethyl sulfoxide; triethylamine at 20℃; for 72h;	A 23.58% B 56.56%

...Expand

: 1066-42-8
dimethylsilanediol

: bis(hydroxybis(2-(N,N-dimethylaminomethyl)phenyl)tin(IV))

: cyclo-[(2-(N,N-dimethylaminomethyl)phenyl)2SnOSn(2-(N,N-dimethylaminomethyl)phenyl)2OSiMe2O]

Conditions

Conditions	Yield
Stage #1: bis(hydroxybis(2-(N,N-dimethylaminomethyl)phenyl)tin(IV)) With 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical In toluene Stage #2: dimethylsilanediol In toluene for 3h; Dean-Stark; Heating;	46%

: 1066-42-8
dimethylsilanediol

: 3353-69-3
1,2-bis(methyldichlorosilyl)ethane

: 25308-01-4
1,3,3,5,7,7-hexamethylbicyclo<3.2.3>tetrasila-2,4,6,8-oxane

Conditions

Conditions	Yield
With pyridine In diethyl ether at 0℃; for 2h;	28%

: 1066-42-8
dimethylsilanediol

: 86637-12-9
1,1,9,9-tetrachlorooctamethylpentasiloxane

: 86637-16-3
2,6-dichloro-2,4,4,6,8,8,10,10,12,12-decamethylcyclohexasiloxane

Conditions

Conditions	Yield
With aniline In diethyl ether at 20℃;	26%

: 1066-42-8
dimethylsilanediol

: 16957-21-4
2,2,6,6-tetrachloro-2,6-disilaheptane

: 4,8-dichloro-2,2,4,8-tetramethyl-1,3-dioxa-2,4,8-trisilacyclooctane

Conditions

Conditions	Yield
With pyridine In diethyl ether at 20℃; for 48h; Condensation;	22.5%

: 1066-42-8
dimethylsilanediol

: 3353-69-3
1,2-bis(methyldichlorosilyl)ethane

: 4,7-dichloro-2,2,4,7-tetramethyl-1,3-dioxa-2,4,7-trisilacycloheptane

Conditions

Conditions	Yield
With pyridine In diethyl ether at 20℃; for 48h; Condensation;	10.1%

: 75-79-6
Methyltrichlorosilane

: 1066-42-8
dimethylsilanediol

: 56764-53-5
C4H12Cl4O2Si3

: 56764-58-0
C7H21Cl5O4Si5

Conditions

Conditions	Yield
With pyridine

...Expand

: 75-79-6
Methyltrichlorosilane

: 1066-42-8
dimethylsilanediol

: 56764-53-5
C4H12Cl4O2Si3

Conditions

Conditions	Yield
With pyridine
With pyridine Yield given;

: 1066-42-8
dimethylsilanediol

: 4667-38-3
dichlorodiethoxysilane

: 64793-18-6
C10H26Cl2O6Si3

Conditions

Conditions	Yield
With pyridine

: 1066-42-8
dimethylsilanediol

: 64793-18-6
C10H26Cl2O6Si3

: 64793-10-8
2,2,6,6-Tetraethoxy-4,4,8,8-tetramethyl-[1,3,5,7,2,4,6,8]tetroxatetrasilocane

Conditions

Conditions	Yield
With pyridine

: 1066-42-8
dimethylsilanediol

: 56764-53-5
C4H12Cl4O2Si3

: 56764-61-5
C10H30Cl6O6Si7

Conditions

Conditions	Yield
With pyridine

: 1066-42-8
dimethylsilanediol

: 98-13-5
Phenyltrichlorosilane

: 56764-52-4
C14H16Cl4O2Si3

Conditions

Conditions	Yield
With pyridine
With pyridine Yield given;

: 1066-35-9
dimethylmonochlorosilane

: 1066-42-8
dimethylsilanediol

: 15933-59-2
1,1,3,3-tetramethyldisilazane

: 1000-05-1
1,1,3,3,5,5,7,7-octamethyltetrasiloxane

Conditions

Conditions	Yield
In toluene

...Expand

: 75-79-6
Methyltrichlorosilane

: 1066-42-8
dimethylsilanediol

: 1118-15-6
tetramethyl-1,3-disiloxanediol

A: 2,6-dichloro-2,4,4,6,8,8,10,10-octamethylcyclopentasiloxane

: 2,6-dichloro-2,4,4,6,8,8,10,10-octamethylcyclopentasiloxane

Conditions

Conditions	Yield
With hydrogenchloride Yield given. Multistep reaction;

...Expand

: 75-79-6
Methyltrichlorosilane

: 1066-42-8
dimethylsilanediol

: 3663-50-1
1,1,3,3,5,5-Hexamethyltrisiloxane-1,5-diol

: 2,6-dichloro-2,4,4,6,8,8,10,10,12,12-decamethylcyclohexasiloxane

Conditions

Conditions	Yield
With 1.) acceptor, 2.) acceptor Yield given. Multistep reaction;

...Expand

: 64-17-5
ethanol

: 1066-42-8
dimethylsilanediol

: 65007-35-4
ethoxydimethylsilanol

Conditions

Conditions	Yield
With hydrogenchloride In 1,4-dioxane; water at 30℃; Rate constant;

: 1066-42-8
dimethylsilanediol

: 56764-53-5
C4H12Cl4O2Si3

A: 2,6-dichloro-2,4,4,6,8,8-hexamethylcyclotetrasiloxane

B: 2,6-dichloro-2,4,4,6,8,8-hexamethylcyclotetrasiloxane

...Expand

: 1066-42-8
dimethylsilanediol

: 56764-52-4
C14H16Cl4O2Si3

A: 81843-69-8
2,6-Dichloro-4,4,8,8-tetramethyl-2,6-diphenyl-[1,3,5,7,2,4,6,8]tetroxatetrasilocane

B: 2,6-Dichloro-4,4,8,8-tetramethyl-2,6-diphenyl-[1,3,5,7,2,4,6,8]tetroxatetrasilocane

...Expand

Dimethylsilanediol Specification

The Dimethylsilanediol, with the CAS registry number 1066-42-8, is also known as Dimethyldihydroxysilane. Its EINECS number is 213-915-7. This chemical's molecular formula is C₂H₈O₂Si and molecular weight is 92.17. What's more, its systematic name is Methyl [3-(bromomethyl)phenyl]acetate.

Physical properties of Dimethylsilanediol are: (1)ACD/LogP: 0.493; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 0.49; (4)ACD/LogD (pH 7.4): 0.49; (5)ACD/BCF (pH 5.5): 1.40; (6)ACD/BCF (pH 7.4): 1.40; (7)ACD/KOC (pH 5.5): 44.20; (8)ACD/KOC (pH 7.4): 44.20; (9)#H bond acceptors: 2; (10)#H bond donors: 2; (11)#Freely Rotating Bonds: 2; (12)Polar Surface Area: 40.46 Å²; (13)Index of Refraction: 1.415; (14)Molar Refractivity: 23.102 cm³; (15)Molar Volume: 92.298 cm³; (16)Polarizability: 9.158×10^-24cm³; (17)Surface Tension: 24.0 dyne/cm; (18)Density: 0.999 g/cm³; (19)Flash Point: 27.701 °C; (20)Enthalpy of Vaporization: 41.981 kJ/mol; (21)Boiling Point: 122.193 °C at 760 mmHg; (22)Vapour Pressure: 6.7 mmHg at 25°C.

You can still convert the following datas into molecular structure:
(1)SMILES: O[Si](O)(C)C
(2)Std. InChI: InChI=1S/C2H8O2Si/c1-5(2,3)4/h3-4H,1-2H3
(3)Std. InChIKey: XCLIHDJZGPCUBT-UHFFFAOYSA-N

Product Name

dimethylsilanediol

Synthetic route

Dimethylsilanediol Specification

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