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1185-55-3

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1185-55-3 Usage

Description

Trimethoxy (methyl) silane is an organosilicon compound. It can be used as a crosslinker in the preparation of polysiloxane polymers. It can also be used as an acid scavenge used in the formation of substituted azulenes from allenylsilanes and tropyl?ium tetrafluoroborate. It can also be used as the precursor for synthesis of flexible silica aerogels.

Chemical Properties

Colorless clear liquid

Uses

Different sources of media describe the Uses of 1185-55-3 differently. You can refer to the following data:
1. Methyltrimethoxysilane(MTMS) in combination with iron nitrate altered the pore structure dramatically. As the Crosslinking agent of RTV silicone rubber and glass fiber surface treatment agent and talk to agents outside of reinforced plastic laminated products in order to improve the mechanical strength, heat resistance, moisture resistance. Methyltrimethoxysilane is used as an acid scavenger, for example in the formation of substituted azulenes from allenylsilanes and tropyl-ium tetrafluoroborate.
2. Methyltrimethoxysilane is a reagent used in they synthesis of electronic materials and organometallic compounds. Used in the coating of carbon-fiber surfaces, as well as in the synthesis of nanocomposites.

Application

Methyltrimethoxysilane is highly miscible with standard organic solvents, such as alcohols, hydrocarbons and acetone. It is practically insoluble in neutral water and reacts only slowly to form silanols and higher condensation products. Addition of a hydrolytic catalyst (inorganic/organic acids, ammonia or amines) accelerates the hydrolysis of Methyltrimethoxysilane substantially.As a Filler Modifier, Methyltrimethoxysilane is used mainly to render a wide range of surfaces and materials water repellent (e.g. mineral fillers, pigments, glass, cardboard). It may be used pure or in solution to treat fillers, using suitable mixing equipment. It may be necessary to first pre-treat the substrate with water and/or a catalyst. It is also used in the production of silicone resins and condensation-curing silicone rubber, used as an important component in sol-gel systems.As one of the most common Alkoxy Crosslinkers, Methyltrimethoxysilane has high reactivity that precedes by nucleophilic substitution usually in the presence of acid or base catalysts.

Preparation

Methyltrimethoxysilane is usually prepared from methyltrichlorosilane and methanol:CH3SiCl3 + 3 CH3OH → CH3Si(OCH3)3 + 3 HCl

General Description

Trimethoxymethylsilane (MTM) is an organosilicon compound widely used as a precursor for the preparation of silica-based materials, which finds the applications in various fields. Particularly in molecular assembly, linking nano building blocks, and selective synthesis oligosiloxane compounds. It can also be utilized as a crosslinker in the synthesis of polysiloxane polymers.

Flammability and Explosibility

Flammable

Purification Methods

Methyl trimethoxysilane [1185-55-3] M 136.2, b 102o/760mm, d 4 1.3687, n D 1.3711. Likely impurities are 1,3-dimethyltetramethoxy disiloxane (b 31o/1mm) and cyclic polysiloxanes, see methyl triethoxysilane. [Tamborski & Post J Org Chem 16 1400 1952, Seyferth & Rochow J Org Chem 20 250 1955, Beilstein 4 IV 4203.]

References

https://en.wikipedia.org/wiki/Methyltrimethoxysilane https://www.alfa.com/zh-cn/catalog/B23594/ Rao, A. V., et al. "Synthesis of flexible silica aerogels using methyltrimethoxysilane (MTMS) precursor." Journal of Colloid & Interface Science 300.1(2006):279-85. Bhagat, Sharad D., et al. "Methyltrimethoxysilane based monolithic silica aerogels via ambient pressure drying." Microporous & Mesoporous Materials 100.1–3(2007):350-355.

Check Digit Verification of cas no

The CAS Registry Mumber 1185-55-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,1,8 and 5 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1185-55:
(6*1)+(5*1)+(4*8)+(3*5)+(2*5)+(1*5)=73
73 % 10 = 3
So 1185-55-3 is a valid CAS Registry Number.
InChI:InChI=1/C4H12O3Si/c1-5-4(8,6-2)7-3/h1-3,8H3

1185-55-3 Well-known Company Product Price

  • Brand
  • (Code)Product description
  • CAS number
  • Packaging
  • Price
  • Detail
  • Alfa Aesar

  • (B23594)  Methyltrimethoxysilane, 97%   

  • 1185-55-3

  • 250ml

  • 315.0CNY

  • Detail
  • Alfa Aesar

  • (B23594)  Methyltrimethoxysilane, 97%   

  • 1185-55-3

  • 1000ml

  • 627.0CNY

  • Detail
  • Aldrich

  • (679232)  Trimethoxymethylsilane  deposition grade, ≥98%

  • 1185-55-3

  • 679232-50G

  • 408.33CNY

  • Detail
  • Sigma-Aldrich

  • (69471)  Trimethoxymethylsilane  purum, ≥98.0% (GC)

  • 1185-55-3

  • 69471-250ML

  • 704.34CNY

  • Detail
  • Sigma-Aldrich

  • (69471)  Trimethoxymethylsilane  purum, ≥98.0% (GC)

  • 1185-55-3

  • 69471-1L

  • 2,434.77CNY

  • Detail
  • Aldrich

  • (246174)  Trimethoxymethylsilane  98%

  • 1185-55-3

  • 246174-250ML

  • 441.09CNY

  • Detail
  • Aldrich

  • (246174)  Trimethoxymethylsilane  98%

  • 1185-55-3

  • 246174-1L

  • 1,428.57CNY

  • Detail
  • Aldrich

  • (440175)  Trimethoxymethylsilane  95%

  • 1185-55-3

  • 440175-1L

  • 710.19CNY

  • Detail

1185-55-3SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 10, 2017

Revision Date: Aug 10, 2017

1.Identification

1.1 GHS Product identifier

Product name Trimethoxy(methyl)silane

1.2 Other means of identification

Product number -
Other names Silane, trimethoxymethyl-

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:1185-55-3 SDS

1185-55-3Synthetic route

Methyltrichlorosilane
75-79-6

Methyltrichlorosilane

Methyltrimethoxysilan
1185-55-3

Methyltrimethoxysilan

Conditions
ConditionsYield
With C6H5N(CH3)2; CH3OH reaction in presence of Dimethylphenyl amine:;90%
With methanol; N,N-dimethyl-aniline reaction in presence of Dimethylphenyl amine:;90%
With C5H5N; CH3OH reaction in presence of pyridine;;
Dichloromethylsilane
75-54-7

Dichloromethylsilane

methanol
67-56-1

methanol

Methyltrimethoxysilan
1185-55-3

Methyltrimethoxysilan

Conditions
ConditionsYield
at 35℃; for 7h; Temperature; Inert atmosphere; Large scale;80.2%
Methyltrichlorosilane
75-79-6

Methyltrichlorosilane

benzhydryl methyl ether
1016-09-7

benzhydryl methyl ether

Methyltrimethoxysilan
1185-55-3

Methyltrimethoxysilan

Conditions
ConditionsYield
bismuth(III) chloride at 25℃; for 15h; Inert atmosphere;59%
(chloromethyl)trimethoxysilane
5926-26-1

(chloromethyl)trimethoxysilane

A

Methyltrimethoxysilan
1185-55-3

Methyltrimethoxysilan

B

1,1,3,3,5,5-hexamethoxy-1,3,5-trisilacyclohexane
17861-41-5

1,1,3,3,5,5-hexamethoxy-1,3,5-trisilacyclohexane

C

C12H32O8Si4

C12H32O8Si4

Conditions
ConditionsYield
With magnesium In tetrahydrofuran at -20 - 0℃;A 0.5%
B 45%
C 20%
Dimethoxymethane
109-87-5

Dimethoxymethane

tris(ethylthio)methylsilane
71520-43-9

tris(ethylthio)methylsilane

A

Methyltrimethoxysilan
1185-55-3

Methyltrimethoxysilan

B

(ethylthio)methoxymethane
77454-95-6

(ethylthio)methoxymethane

Conditions
ConditionsYield
With zinc(II) chloride In toluene at 0℃; for 5h; Product distribution; other temperature;A 4%
B 10%
With zinc(II) chloride In toluene at 0℃; for 5h;A 4%
B 10%
Methyltrichlorosilane
75-79-6

Methyltrichlorosilane

A

Methyltrimethoxysilan
1185-55-3

Methyltrimethoxysilan

B

1,3-dimethyltetramethoxydisiloxane
18186-97-5

1,3-dimethyltetramethoxydisiloxane

C

1,1,3,5,5-pentamethoxy-1,3,5-trimethyl-trisiloxane
17866-12-5

1,1,3,5,5-pentamethoxy-1,3,5-trimethyl-trisiloxane

D

1,1,3,5,7,7-hexamethoxy-1,3,5,7-tetramethyl-tetrasiloxane
17988-15-7

1,1,3,5,7,7-hexamethoxy-1,3,5,7-tetramethyl-tetrasiloxane

Conditions
ConditionsYield
With CH3OHA n/a
B n/a
C 9.6%
D 5.6%
With CH3OHA n/a
B n/a
C 9.6%
D 5.6%
methanol
67-56-1

methanol

Methyltrichlorosilane
75-79-6

Methyltrichlorosilane

Methyltrimethoxysilan
1185-55-3

Methyltrimethoxysilan

Methyltrichlorosilane
75-79-6

Methyltrichlorosilane

sodium methylate
124-41-4

sodium methylate

Methyltrimethoxysilan
1185-55-3

Methyltrimethoxysilan

1,1,2,2-tetramethoxy-1,2-dimethyl-disilane
18107-32-9

1,1,2,2-tetramethoxy-1,2-dimethyl-disilane

Methyltrimethoxysilan
1185-55-3

Methyltrimethoxysilan

Conditions
ConditionsYield
(basic elimination);
Methoxytrimethylsilane
1825-61-2

Methoxytrimethylsilane

methyltrifluorosilane
373-74-0

methyltrifluorosilane

methylfluorodimethoxysilane
271772-12-4

methylfluorodimethoxysilane

methyldifluoromethoxysilane
271772-13-5

methyldifluoromethoxysilane

A

trimethylsilyl fluoride
420-56-4

trimethylsilyl fluoride

B

Methyltrimethoxysilan
1185-55-3

Methyltrimethoxysilan

Conditions
ConditionsYield
at 120℃; Equilibrium constant;
Methoxytrimethylsilane
1825-61-2

Methoxytrimethylsilane

methyltrifluorosilane
373-74-0

methyltrifluorosilane

A

trimethylsilyl fluoride
420-56-4

trimethylsilyl fluoride

B

Methyltrimethoxysilan
1185-55-3

Methyltrimethoxysilan

C

methylfluorodimethoxysilane
271772-12-4

methylfluorodimethoxysilane

D

methyldifluoromethoxysilane
271772-13-5

methyldifluoromethoxysilane

Conditions
ConditionsYield
at 120℃; Equilibrium constant;
methyltrifluorosilane
373-74-0

methyltrifluorosilane

dimethyldimethoxysilan
1112-39-6

dimethyldimethoxysilan

methoxydimethylfluorosilane
52686-74-5

methoxydimethylfluorosilane

methylfluorodimethoxysilane
271772-12-4

methylfluorodimethoxysilane

methyldifluoromethoxysilane
271772-13-5

methyldifluoromethoxysilane

A

dimethyldifluorosilane
353-66-2

dimethyldifluorosilane

B

Methyltrimethoxysilan
1185-55-3

Methyltrimethoxysilan

Conditions
ConditionsYield
at 120℃; Equilibrium constant;
methyltrifluorosilane
373-74-0

methyltrifluorosilane

dimethyldimethoxysilan
1112-39-6

dimethyldimethoxysilan

A

dimethyldifluorosilane
353-66-2

dimethyldifluorosilane

B

Methyltrimethoxysilan
1185-55-3

Methyltrimethoxysilan

C

methoxydimethylfluorosilane
52686-74-5

methoxydimethylfluorosilane

D

methylfluorodimethoxysilane
271772-12-4

methylfluorodimethoxysilane

E

methyldifluoromethoxysilane
271772-13-5

methyldifluoromethoxysilane

Conditions
ConditionsYield
at 120℃; Equilibrium constant;
methanol
67-56-1

methanol

Methyltriethoxysilan
2031-67-6

Methyltriethoxysilan

A

ethanol
64-17-5

ethanol

B

Methyltrimethoxysilan
1185-55-3

Methyltrimethoxysilan

C

C6H16O3Si
18173-56-3

C6H16O3Si

D

methyl dimethoxy ethoxy silane

methyl dimethoxy ethoxy silane

Conditions
ConditionsYield
With sodium at 21.9℃; Rate constant;
methanol
67-56-1

methanol

silicon
7440-21-3

silicon

A

trimethoxysilane
2487-90-3

trimethoxysilane

B

tetramethylorthosilicate
681-84-5

tetramethylorthosilicate

C

dimethyldimethoxysilan
1112-39-6

dimethyldimethoxysilan

D

Methyltrimethoxysilan
1185-55-3

Methyltrimethoxysilan

Conditions
ConditionsYield
With sodium chloride at 150 - 200℃; Product distribution / selectivity;
With sodium chloride; copper(l) chloride at 150℃; Product distribution / selectivity;
methanol
67-56-1

methanol

silicon
7440-21-3

silicon

A

tetramethylorthosilicate
681-84-5

tetramethylorthosilicate

B

dimethyldimethoxysilan
1112-39-6

dimethyldimethoxysilan

C

Methyltrimethoxysilan
1185-55-3

Methyltrimethoxysilan

Conditions
ConditionsYield
With sodium chloride at 30 - 350℃; for 1.5 - 4.5h; Product distribution / selectivity;
With sodium chloride; copper(l) chloride at 200 - 300℃; for 3h; Product distribution / selectivity;
methanol
67-56-1

methanol

silicon, oxidized

silicon, oxidized

A

trimethoxysilane
2487-90-3

trimethoxysilane

B

tetramethylorthosilicate
681-84-5

tetramethylorthosilicate

C

dimethyldimethoxysilan
1112-39-6

dimethyldimethoxysilan

D

Methyltrimethoxysilan
1185-55-3

Methyltrimethoxysilan

Conditions
ConditionsYield
With sodium chloride; copper(l) chloride at 150 - 320℃; Product distribution / selectivity;
methanol
67-56-1

methanol

silicon, oxidized

silicon, oxidized

A

tetramethylorthosilicate
681-84-5

tetramethylorthosilicate

B

dimethyldimethoxysilan
1112-39-6

dimethyldimethoxysilan

C

Methyltrimethoxysilan
1185-55-3

Methyltrimethoxysilan

Conditions
ConditionsYield
With sodium chloride at 260℃; Product distribution / selectivity;
methanol
67-56-1

methanol

silicon, oxidized

silicon, oxidized

A

tetramethylorthosilicate
681-84-5

tetramethylorthosilicate

B

Methyltrimethoxysilan
1185-55-3

Methyltrimethoxysilan

Conditions
ConditionsYield
With sodium chloride at 320℃; Product distribution / selectivity;
sym-tetramethoxydimethyldisilane

sym-tetramethoxydimethyldisilane

N-methyl-4-chlorophthalimide
63197-17-1

N-methyl-4-chlorophthalimide

A

N-methyl-4-dimethoxymethylsilylphthalimide

N-methyl-4-dimethoxymethylsilylphthalimide

B

Methyltrimethoxysilan
1185-55-3

Methyltrimethoxysilan

Conditions
ConditionsYield
In tetrakis(triphenylphosphine) palladium(0)
methanol
67-56-1

methanol

silicon
7440-21-3

silicon

A

trimethoxysilane
2487-90-3

trimethoxysilane

B

tetramethylorthosilicate
681-84-5

tetramethylorthosilicate

C

Methyltrimethoxysilan
1185-55-3

Methyltrimethoxysilan

D

(dimethoxy)methylsilane
16881-77-9

(dimethoxy)methylsilane

Conditions
ConditionsYield
copper(II) orthophosphate In THERMINOL 59 at 250℃; Product distribution / selectivity;
copper(II) hydroxide; sodium phosphate In THERMINOL 59 at 250℃; Product distribution / selectivity;
copper(II) orthophosphate; copper(II) hydroxide In THERMINOL 59 at 250℃; Product distribution / selectivity;
tetramethylorthosilicate
681-84-5

tetramethylorthosilicate

methyllithium
917-54-4

methyllithium

A

dimethyldimethoxysilan
1112-39-6

dimethyldimethoxysilan

B

Methyltrimethoxysilan
1185-55-3

Methyltrimethoxysilan

Conditions
ConditionsYield
Stage #1: methyllithium With copper(l) iodide In diethyl ether at 0℃; for 1.16h; Schlenk technique;
Stage #2: tetramethylorthosilicate In diethyl ether at 0 - 23℃; for 2.16h; Schlenk technique;
methanol
67-56-1

methanol

A

trimethoxysilane
2487-90-3

trimethoxysilane

B

tetramethylorthosilicate
681-84-5

tetramethylorthosilicate

C

Methyltrimethoxysilan
1185-55-3

Methyltrimethoxysilan

Conditions
ConditionsYield
With amorphous silicon at 200℃; Temperature; Inert atmosphere; Schlenk technique;
methanol
67-56-1

methanol

A

trimethoxysilane
2487-90-3

trimethoxysilane

B

tetramethylorthosilicate
681-84-5

tetramethylorthosilicate

C

dimethyldimethoxysilan
1112-39-6

dimethyldimethoxysilan

D

Methyltrimethoxysilan
1185-55-3

Methyltrimethoxysilan

Conditions
ConditionsYield
With amorphous silicon In paraffin oil at -196 - 150℃; Reagent/catalyst; Sealed tube; Inert atmosphere; Schlenk technique;
methanol
67-56-1

methanol

A

tetramethylorthosilicate
681-84-5

tetramethylorthosilicate

B

Methyltrimethoxysilan
1185-55-3

Methyltrimethoxysilan

Conditions
ConditionsYield
With amorphous silicon In paraffin oil at 300℃; Temperature; Reagent/catalyst; Inert atmosphere; Schlenk technique;
methanol
67-56-1

methanol

A

tetramethylorthosilicate
681-84-5

tetramethylorthosilicate

B

dimethyldimethoxysilan
1112-39-6

dimethyldimethoxysilan

C

Methyltrimethoxysilan
1185-55-3

Methyltrimethoxysilan

Conditions
ConditionsYield
With copper(l) chloride In paraffin oil at 300℃; Temperature; Inert atmosphere; Schlenk technique;
Methyltrimethoxysilan
1185-55-3

Methyltrimethoxysilan

phenyl thiobenzoate
884-09-3

phenyl thiobenzoate

benzoic acid methyl ester
93-58-3

benzoic acid methyl ester

Conditions
ConditionsYield
With copper(l) iodide; tetrakis(triphenylphosphine) palladium(0); tetrabutyl ammonium fluoride In tetrahydrofuran at 60℃; for 0.5h; Hiyama coupling; Inert atmosphere;100%
With copper(l) iodide; tetrakis(triphenylphosphine) palladium(0); tetrabutyl ammonium fluoride In tetrahydrofuran at 60℃; for 0.5h;82%
(η(5)-C5Me5)2Zr(O)(pyridine)

(η(5)-C5Me5)2Zr(O)(pyridine)

Methyltrimethoxysilan
1185-55-3

Methyltrimethoxysilan

(C5Me5)2Zr[OSi(methoxy)2Me](methoxy)

(C5Me5)2Zr[OSi(methoxy)2Me](methoxy)

Conditions
ConditionsYield
In benzene-d6 at 60℃; for 1h; Temperature; Inert atmosphere;100%
Methyltrichlorosilane
75-79-6

Methyltrichlorosilane

Methyltrimethoxysilan
1185-55-3

Methyltrimethoxysilan

chlorobenzene
108-90-7

chlorobenzene

dimethoxy(methyl)phenylsilane
3027-21-2

dimethoxy(methyl)phenylsilane

Conditions
ConditionsYield
Stage #1: Methyltrimethoxysilan; chlorobenzene With magnesium In tetrahydrofuran for 1h; Reflux;
Stage #2: Methyltrichlorosilane; Methyltrimethoxysilan; chlorobenzene In tetrahydrofuran for 6.5h; Concentration; Reflux;
99.6%
Methyltrimethoxysilan
1185-55-3

Methyltrimethoxysilan

cyclotricatechylene
1506-76-9

cyclotricatechylene

triethylamine
121-44-8

triethylamine

C90H66O24Si6(6-)*6C6H15N*6H(1+)

C90H66O24Si6(6-)*6C6H15N*6H(1+)

Conditions
ConditionsYield
In N,N-dimethyl-formamide; acetonitrile at 100℃; Inert atmosphere;99.4%
Methyltrimethoxysilan
1185-55-3

Methyltrimethoxysilan

trimethylamine
75-50-3

trimethylamine

tetramethylammonium fluorosulfonate

tetramethylammonium fluorosulfonate

Conditions
ConditionsYield
With fluorosulfonyl fluoride In chlorobenzene at 20℃; for 12h; Solvent; Sealed tube;99%
With fluorosulfonyl fluoride In tetrahydrofuran at 23 - 27℃; for 12h;99%
ethyl methyl ketone oxime
96-29-7

ethyl methyl ketone oxime

Methyltrimethoxysilan
1185-55-3

Methyltrimethoxysilan

2-butanone O,O',O

2-butanone O,O',O"-(methylsilylidyne)trioxime

Conditions
ConditionsYield
With toluene-4-sulfonic acid at 85 - 153℃; for 7h; Temperature;98.3%
Methyltrimethoxysilan
1185-55-3

Methyltrimethoxysilan

potassium methylsilicate

potassium methylsilicate

Conditions
ConditionsYield
With potassium chloride; water; acetic acid at 38℃; for 2.5h; Temperature; Reagent/catalyst;98.3%
Methyltrimethoxysilan
1185-55-3

Methyltrimethoxysilan

N,N-dimethyl-cyclohexanamine
98-94-2

N,N-dimethyl-cyclohexanamine

N,N,N-trimethylcyclohexanaminium sulfofluoridate

N,N,N-trimethylcyclohexanaminium sulfofluoridate

Conditions
ConditionsYield
With fluorosulfonyl fluoride In chlorobenzene at 20℃; for 12h; Solvent; Sealed tube;98%
Methyltrimethoxysilan
1185-55-3

Methyltrimethoxysilan

cyclotricatechylene
1506-76-9

cyclotricatechylene

C90H66O24Si6(6-)*6Na(1+)

C90H66O24Si6(6-)*6Na(1+)

Conditions
ConditionsYield
With sodium hydroxide In N,N-dimethyl-formamide; acetonitrile at 100℃; Inert atmosphere;97.6%
Methyltrimethoxysilan
1185-55-3

Methyltrimethoxysilan

3-aminopropyltriethoxysilane
919-30-2

3-aminopropyltriethoxysilane

xerogel V

xerogel V

Conditions
ConditionsYield
In ethanol; water for 240h;97%
N,N,N,N,-tetramethylethylenediamine
110-18-9

N,N,N,N,-tetramethylethylenediamine

Methyltrimethoxysilan
1185-55-3

Methyltrimethoxysilan

2-(dimethylamino)-N,N,N-trimethylethanaminium sulfofluoridate

2-(dimethylamino)-N,N,N-trimethylethanaminium sulfofluoridate

Conditions
ConditionsYield
With fluorosulfonyl fluoride In chlorobenzene at 20℃; for 12h; Solvent; Sealed tube;97%
With fluorosulfonyl fluoride In chlorobenzene at 23 - 27℃; for 12h;97%
Methyltrimethoxysilan
1185-55-3

Methyltrimethoxysilan

Hexamethyldisiloxane
107-46-0

Hexamethyldisiloxane

methyltrimethicone
17928-28-8

methyltrimethicone

Conditions
ConditionsYield
Stage #1: Hexamethyldisiloxane With oxygen-containing linear phosphazene chloride In dichloromethane; isopropyl alcohol at 10℃; for 1.66667h;
Stage #2: Methyltrimethoxysilan In dichloromethane; water; isopropyl alcohol at 5 - 25℃; for 12h; Temperature; Reagent/catalyst;
96.9%
Stage #1: Hexamethyldisiloxane With methanol; sulfuric acid at -10 - 10℃; for 0.75 - 1h;
Stage #2: Methyltrimethoxysilan at 5 - 10℃; for 0.5 - 1.75h;
Stage #3: With water at 5 - 25℃; for 4h;
88.1%
Stage #1: Hexamethyldisiloxane With ethanol; trifluorormethanesulfonic acid at -10 - 10℃; for 0.833333h;
Stage #2: Methyltrimethoxysilan at 5 - 10℃; for 1.5h;
Stage #3: With water at 5 - 25℃; for 5h;
88%
Methyltrimethoxysilan
1185-55-3

Methyltrimethoxysilan

1-oxo-1-methyl-4-ethyl-4-hydroxymethyl-2,6-dioxa-1-phosphacyclohexane
1365801-87-1

1-oxo-1-methyl-4-ethyl-4-hydroxymethyl-2,6-dioxa-1-phosphacyclohexane

C10H23O6PSi

C10H23O6PSi

Conditions
ConditionsYield
In diethylene glycol dimethyl ether at 100℃; for 8h; Solvent; Temperature; Inert atmosphere;95.5%
Methyltrimethoxysilan
1185-55-3

Methyltrimethoxysilan

phenylmagnesium bromide
100-58-3

phenylmagnesium bromide

dimethoxy(methyl)phenylsilane
3027-21-2

dimethoxy(methyl)phenylsilane

Conditions
ConditionsYield
In diethyl ether for 1h; Reflux;95%
Methyltrimethoxysilan
1185-55-3

Methyltrimethoxysilan

N-Methyldicyclohexylamine
7560-83-0

N-Methyldicyclohexylamine

N-cyclohexyl-N,N-dimethylcyclohexanaminium sulfofluoridate

N-cyclohexyl-N,N-dimethylcyclohexanaminium sulfofluoridate

Conditions
ConditionsYield
With fluorosulfonyl fluoride In chlorobenzene at 20℃; for 12h; Solvent; Sealed tube;95%
Methyltrimethoxysilan
1185-55-3

Methyltrimethoxysilan

ethriol phosphite
824-11-3

ethriol phosphite

C22H45O12P3Si

C22H45O12P3Si

Conditions
ConditionsYield
With dimethyl sulfate at 102 - 150℃; for 13h; Concentration; Temperature; Reagent/catalyst; Solvent; Inert atmosphere;94.5%
Methyltrimethoxysilan
1185-55-3

Methyltrimethoxysilan

2,2-Dimethyl-1,3-propanediol
126-30-7

2,2-Dimethyl-1,3-propanediol

2-Methoxy-2,5,5-trimethyl-[1,3,2]dioxasilinane

2-Methoxy-2,5,5-trimethyl-[1,3,2]dioxasilinane

Conditions
ConditionsYield
With hydrogenchloride at 65℃;94%
(pentamethylcyclopentadienyl)2Ti(O)(pyridine)

(pentamethylcyclopentadienyl)2Ti(O)(pyridine)

Methyltrimethoxysilan
1185-55-3

Methyltrimethoxysilan

(C5Me5)2Ti[OSi(methoxy)2Me](methoxy)

(C5Me5)2Ti[OSi(methoxy)2Me](methoxy)

Conditions
ConditionsYield
In tetrahydrofuran at 20℃; for 24h; Solvent; Temperature; Inert atmosphere;94%
Methyltrimethoxysilan
1185-55-3

Methyltrimethoxysilan

1-methyl-1-sila-2,6,7-trioxa-4-hydroxymethylbicyclo[2,2,2]octyl

1-methyl-1-sila-2,6,7-trioxa-4-hydroxymethylbicyclo[2,2,2]octyl

C19H36O12Si4

C19H36O12Si4

Conditions
ConditionsYield
With methoxybenzene at 100 - 150℃; for 16h; Temperature;93.6%
Methyltrimethoxysilan
1185-55-3

Methyltrimethoxysilan

3-chloroprop-1-ene
107-05-1

3-chloroprop-1-ene

methylallyldimethoxysilane

methylallyldimethoxysilane

Conditions
ConditionsYield
With magnesium; potassium iodide for 4.5h; Reflux; Inert atmosphere;92.75%
Methyltrimethoxysilan
1185-55-3

Methyltrimethoxysilan

4-(hydroxymethyl)-1-oxido-2,6,7-trioxa-1-phosphabicyclo [2.2.2] octane
5301-78-0

4-(hydroxymethyl)-1-oxido-2,6,7-trioxa-1-phosphabicyclo [2.2.2] octane

C16H27O15P3Si

C16H27O15P3Si

Conditions
ConditionsYield
In 1,4-dioxane at 100℃; for 7h; Solvent; Temperature; Inert atmosphere;92.7%
Isobutyl bromide
78-77-3

Isobutyl bromide

Methyltrimethoxysilan
1185-55-3

Methyltrimethoxysilan

isobutylmethyldimethoxysilane
18293-82-8

isobutylmethyldimethoxysilane

Conditions
ConditionsYield
Stage #1: Isobutyl bromide With magnesium; methyl iodide In tetrahydrofuran for 0.1h; Inert atmosphere; Reflux; Large scale;
Stage #2: Methyltrimethoxysilan In tetrahydrofuran at 89℃; for 4.2h; Temperature; Inert atmosphere; Large scale;
92.3%
Methyltrimethoxysilan
1185-55-3

Methyltrimethoxysilan

Hexamethyldisiloxane
107-46-0

Hexamethyldisiloxane

A

methyltrimethicone
17928-28-8

methyltrimethicone

B

1,1,1,3,5,5,5-heptamethyl-3-methoxytrisiloxane
7671-19-4

1,1,1,3,5,5,5-heptamethyl-3-methoxytrisiloxane

C

1,1,1,3,5,5,5-heptamethyltrisiloxan-3-ole
5272-21-9

1,1,1,3,5,5,5-heptamethyltrisiloxan-3-ole

Conditions
ConditionsYield
Stage #1: Hexamethyldisiloxane With methanol; sulfuric acid at 5 - 10℃; for 1h;
Stage #2: Methyltrimethoxysilan at 5 - 10℃; for 1.5 - 1.75h;
Stage #3: With sulfuric acid; water Product distribution / selectivity; more than 3 stages;
A 91.5%
B n/a
C n/a
Stage #1: Hexamethyldisiloxane With methanol; sulfuric acid at 5 - 10℃; for 1h;
Stage #2: Methyltrimethoxysilan at 5 - 10℃; for 1.5h;
Stage #3: With hydrogenchloride; water Product distribution / selectivity; more than 3 stages;
A 91%
B n/a
C n/a
bromobenzene
108-86-1

bromobenzene

Methyltrimethoxysilan
1185-55-3

Methyltrimethoxysilan

dimethoxy(methyl)phenylsilane
3027-21-2

dimethoxy(methyl)phenylsilane

Conditions
ConditionsYield
Stage #1: bromobenzene With magnesium; methyl iodide In tetrahydrofuran for 0.1h; Inert atmosphere; Reflux; Large scale;
Stage #2: Methyltrimethoxysilan In tetrahydrofuran at 90℃; for 6.3h; Inert atmosphere; Large scale;
90.2%
With sodium at 38℃; for 2h; Temperature; Reagent/catalyst;80%
Methyltrimethoxysilan
1185-55-3

Methyltrimethoxysilan

benzene-1,2-diol
120-80-9

benzene-1,2-diol

sodium bis(1,2-benzenediolato)methylsilicate
102129-44-2

sodium bis(1,2-benzenediolato)methylsilicate

Conditions
ConditionsYield
With sodium methylate In methanol at 45℃; for 4h;90%
Methyltrichlorosilane
75-79-6

Methyltrichlorosilane

Methyltrimethoxysilan
1185-55-3

Methyltrimethoxysilan

Polymer; Monomer(s): methyltrichlorosilane; methyltrimethoxysilane

Polymer; Monomer(s): methyltrichlorosilane; methyltrimethoxysilane

Conditions
ConditionsYield
With iron(III) chloride at 90℃; for 0.75h; polycondensation;89%
Methyltrimethoxysilan
1185-55-3

Methyltrimethoxysilan

[RuCl2(NC5H4C5H4N)((CH3CH2O)3Si(CH2)3NHC(O)NHCH2C6H4P(C6H5)CH2CH2OCH3)2]
457892-08-9

[RuCl2(NC5H4C5H4N)((CH3CH2O)3Si(CH2)3NHC(O)NHCH2C6H4P(C6H5)CH2CH2OCH3)2]

C71H123Cl2N6O37P2RuSi22

C71H123Cl2N6O37P2RuSi22

Conditions
ConditionsYield
With water; dibutyltin diacetate In tetrahydrofuran; methanol calcd. amt. of Si compd., H2O and (n-Bu)2Sn(OAc)2 added to soln. of Ru complex in MeOH/THF (1:3), stirred for 3 d at room temp.; pptd. gel washed with toluene, Et2O and petroleum ether (40-70), xerogelgrinded and dried under vac. for 24 h, elem. anal.;89%
(η(5)-C5Me5)2ZrCl(OH)

(η(5)-C5Me5)2ZrCl(OH)

Methyltrimethoxysilan
1185-55-3

Methyltrimethoxysilan

(C5Me5)2Zr[OSi(methoxy)2Me](methoxy)

(C5Me5)2Zr[OSi(methoxy)2Me](methoxy)

Conditions
ConditionsYield
With potassium hexamethylsilazane In tetrahydrofuran at 20℃; for 24h; Inert atmosphere;89%
Methyltrimethoxysilan
1185-55-3

Methyltrimethoxysilan

6-(9H-fluorenyl)hexyltrimethoxysilane
385443-31-2

6-(9H-fluorenyl)hexyltrimethoxysilane

polymer; Monomer(s):6-(9H-fluorenyl)hexyltrimethoxysilane; trimethoxysilylmethane

polymer; Monomer(s):6-(9H-fluorenyl)hexyltrimethoxysilane; trimethoxysilylmethane

Conditions
ConditionsYield
With ammonia In methanol; water at 30℃; for 12h;88.2%

1185-55-3Related news

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The results of the previous research have shown that methyltrimethoxysilane is an effective agent for dimensional stabilisation of archaeological waterlogged wood. This paper presents an assessment of the effectiveness of MTMS in improving the biological resistance of archaeological waterlogged ...detailed

Application of Methyltrimethoxysilane (cas 1185-55-3) to increase dimensional stability of waterlogged wood07/13/2019

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Methyltrimethoxysilane (cas 1185-55-3) as a stabilising agent for archaeological waterlogged wood differing in the degree of degradation07/12/2019

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1185-55-3Relevant articles and documents

Janzen et al.

, p. 2719 (1968)

Some regularities of chlorosilanes etherification

Belyakova,Komarov,Bykovchenko,Ershov,Chernyshev,Storozhenko

, p. 1650 - 1655 (2009)

The influence of reagents, solvent polarity, and temperature on the etherification of chlorosilanes ClCH2SiCl3, VinSiCl 3, PrSiCl3, and Ph3SiCl with ethanol was studied. Influence of reaction temperature on the ratio of the synthesized alkoxysilane and related side-product siloxane is revealed. Use of excess alcohol is shown to increase the content of siloxane. Introduction of FeCl 3 does not affect the synthesis. Solvents are shown to influence the reaction rate: the rate constant increases with increasing ε parameter of the solvent. The rate constant of etherification of chlorosilanes with ethanol falls in the series: ClCH2SiCl3 > VinSiCl3 > PrSiCl3. An explanation of the regularities is suggested.

TWO-COMPONENT SYSTEM FOR SMOOTHING AND CARE OF HAIR

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, (2022/01/23)

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A process for the production of alkoxy silane (by machine translation)

-

Paragraph 0035; 0036, (2017/07/15)

The invention belongs to the field of chemical industry, relates to a production process of alkoxy silane, in order to improve the purity of the product. The production process comprises the following steps: A, eliminates the water mellowly enters into the reaction equipment, an esterification reaction with the organic silane; B, after the esterification reaction of the material entering the evaporation apparatus, and distilled to remove the material in a small amount of alcohol; C, in and after the distillation product to get the alkoxysilane; production process the start-up phase, the steps of adding excessive mellow A, the reaction apparatus in the backflow of appears mellowly; in the case of when the mellow backflow, add organochlorosilane, joins the quantity mellowly is reduced to the amount of consumption by the reaction. The invention relates to a simple process for the production of the realization of the alkoxy silane, in particular methyl triethoxy silane production. Relative to the other process reduces the rectifying tower, the circulation evaporator replace, increased water removal system and in the fixed-bed and system. In the reaction process through the control of the temperature, pressure and feed rate, the obtained alkoxy silane in the HCl content of 10 ppm following, purity 99.0% wt or more. (by machine translation)

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