Methyltrimethoxysilane supplier

Name
Methyltrimethoxysilane
EINECS 214-685-0
CAS No. 1185-55-3
Article Data43
CAS DataBase
Density 0.911 g/cm³
Solubility decomposes in water
Melting Point <-70 ºC
Formula C₄H₁₂O₃Si
Boiling Point 102.5 ºC at 760 mmHg
Molecular Weight 136.223
Flash Point 11.1 ºC
Transport Information UN 1993 3/PG 2
Appearance colourless liquid
Safety 16
Risk Codes 11
Molecular Structure
Hazard Symbols F
Synonyms (Trimethoxysilyl)methane;Silane,trimethoxymethyl-;Dynasylan MTMS;Glasca B;Methylsilicon trimethoxide (MeSi(OMe)3);NUCSilicone A 163;Silquest A 163;Silquest A 1630;Trimethoxymethylsilane;Methyltrimethoxysilane, Trimethoxy methyl silane;
PSA 27.69000
LogP 0.49430

Synthetic route

: 75-79-6
Methyltrichlorosilane

: 1185-55-3
Methyltrimethoxysilan

Conditions

Conditions	Yield
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;;

: 75-54-7
Dichloromethylsilane

: 67-56-1
methanol

: 1185-55-3
Methyltrimethoxysilan

Conditions

Conditions	Yield
at 35℃; for 7h; Temperature; Inert atmosphere; Large scale;	80.2%

: 75-79-6
Methyltrichlorosilane

: 1016-09-7
benzhydryl methyl ether

: 1185-55-3
Methyltrimethoxysilan

Conditions

Conditions	Yield
bismuth(III) chloride at 25℃; for 15h; Inert atmosphere;	59%

: 5926-26-1
(chloromethyl)trimethoxysilane

A: 1185-55-3
Methyltrimethoxysilan

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

C: C12H32O8Si4

Conditions

Conditions	Yield
With magnesium In tetrahydrofuran at -20 - 0℃;	A 0.5% B 45% C 20%

...Expand

: 109-87-5
Dimethoxymethane

: 71520-43-9
tris(ethylthio)methylsilane

A: 1185-55-3
Methyltrimethoxysilan

B: 77454-95-6
(ethylthio)methoxymethane

Conditions

Conditions	Yield
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%

...Expand

: 75-79-6
Methyltrichlorosilane

A: 1185-55-3
Methyltrimethoxysilan

B: 18186-97-5
1,3-dimethyltetramethoxydisiloxane

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

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

Conditions

Conditions	Yield
With CH3OH	A n/a B n/a C 9.6% D 5.6%
With CH3OH	A n/a B n/a C 9.6% D 5.6%

...Expand

: 67-56-1
methanol

: 75-79-6
Methyltrichlorosilane

: 1185-55-3
Methyltrimethoxysilan

: 75-79-6
Methyltrichlorosilane

: 124-41-4
sodium methylate

: 1185-55-3
Methyltrimethoxysilan

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

: 1185-55-3
Methyltrimethoxysilan

Conditions

Conditions	Yield
(basic elimination);

: 1825-61-2
Methoxytrimethylsilane

: 373-74-0
methyltrifluorosilane

: 271772-12-4
methylfluorodimethoxysilane

: 271772-13-5
methyldifluoromethoxysilane

A: 420-56-4
trimethylsilyl fluoride

B: 1185-55-3
Methyltrimethoxysilan

Conditions

Conditions	Yield
at 120℃; Equilibrium constant;

...Expand

: 1825-61-2
Methoxytrimethylsilane

: 373-74-0
methyltrifluorosilane

A: 420-56-4
trimethylsilyl fluoride

B: 1185-55-3
Methyltrimethoxysilan

C: 271772-12-4
methylfluorodimethoxysilane

D: 271772-13-5
methyldifluoromethoxysilane

Conditions

Conditions	Yield
at 120℃; Equilibrium constant;

...Expand

: 373-74-0
methyltrifluorosilane

: 1112-39-6
dimethyldimethoxysilan

: 52686-74-5
methoxydimethylfluorosilane

: 271772-12-4
methylfluorodimethoxysilane

: 271772-13-5
methyldifluoromethoxysilane

A: 353-66-2
dimethyldifluorosilane

B: 1185-55-3
Methyltrimethoxysilan

Conditions

Conditions	Yield
at 120℃; Equilibrium constant;

...Expand

: 373-74-0
methyltrifluorosilane

: 1112-39-6
dimethyldimethoxysilan

A: 353-66-2
dimethyldifluorosilane

B: 1185-55-3
Methyltrimethoxysilan

C: 52686-74-5
methoxydimethylfluorosilane

D: 271772-12-4
methylfluorodimethoxysilane

E: 271772-13-5
methyldifluoromethoxysilane

Conditions

Conditions	Yield
at 120℃; Equilibrium constant;

...Expand

: 67-56-1
methanol

: 2031-67-6
Methyltriethoxysilan

A: 64-17-5
ethanol

B: 1185-55-3
Methyltrimethoxysilan

C: 18173-56-3
C6H16O3Si

D: methyl dimethoxy ethoxy silane

Conditions

Conditions	Yield
With sodium at 21.9℃; Rate constant;

...Expand

: 67-56-1
methanol

: 7440-21-3
silicon

A: 2487-90-3
trimethoxysilane

B: 681-84-5
tetramethylorthosilicate

C: 1112-39-6
dimethyldimethoxysilan

D: 1185-55-3
Methyltrimethoxysilan

Conditions

Conditions	Yield
With sodium chloride at 150 - 200℃; Product distribution / selectivity;
With sodium chloride; copper(l) chloride at 150℃; Product distribution / selectivity;

...Expand

: 67-56-1
methanol

: 7440-21-3
silicon

A: 681-84-5
tetramethylorthosilicate

B: 1112-39-6
dimethyldimethoxysilan

C: 1185-55-3
Methyltrimethoxysilan

Conditions

Conditions	Yield
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;

...Expand

: 67-56-1
methanol

silicon, oxidized: silicon, oxidized

A: 2487-90-3
trimethoxysilane

B: 681-84-5
tetramethylorthosilicate

C: 1112-39-6
dimethyldimethoxysilan

D: 1185-55-3
Methyltrimethoxysilan

Conditions

Conditions	Yield
With sodium chloride; copper(l) chloride at 150 - 320℃; Product distribution / selectivity;

...Expand

: 67-56-1
methanol

silicon, oxidized: silicon, oxidized

A: 681-84-5
tetramethylorthosilicate

B: 1112-39-6
dimethyldimethoxysilan

C: 1185-55-3
Methyltrimethoxysilan

Conditions

Conditions	Yield
With sodium chloride at 260℃; Product distribution / selectivity;

...Expand

: 67-56-1
methanol

silicon, oxidized: silicon, oxidized

A: 681-84-5
tetramethylorthosilicate

B: 1185-55-3
Methyltrimethoxysilan

Conditions

Conditions	Yield
With sodium chloride at 320℃; Product distribution / selectivity;

...Expand

sym-tetramethoxydimethyldisilane: sym-tetramethoxydimethyldisilane

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

A: N-methyl-4-dimethoxymethylsilylphthalimide

B: 1185-55-3
Methyltrimethoxysilan

Conditions

Conditions	Yield
In tetrakis(triphenylphosphine) palladium(0)

...Expand

: 67-56-1
methanol

: 7440-21-3
silicon

A: 2487-90-3
trimethoxysilane

B: 681-84-5
tetramethylorthosilicate

C: 1185-55-3
Methyltrimethoxysilan

D: 16881-77-9
(dimethoxy)methylsilane

Conditions

Conditions	Yield
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;

...Expand

: 681-84-5
tetramethylorthosilicate

: 917-54-4
methyllithium

A: 1112-39-6
dimethyldimethoxysilan

B: 1185-55-3
Methyltrimethoxysilan

Conditions

Conditions	Yield
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;

...Expand

: 67-56-1
methanol

A: 2487-90-3
trimethoxysilane

B: 681-84-5
tetramethylorthosilicate

C: 1185-55-3
Methyltrimethoxysilan

Conditions

Conditions	Yield
With amorphous silicon at 200℃; Temperature; Inert atmosphere; Schlenk technique;

...Expand

: 67-56-1
methanol

A: 2487-90-3
trimethoxysilane

B: 681-84-5
tetramethylorthosilicate

C: 1112-39-6
dimethyldimethoxysilan

D: 1185-55-3
Methyltrimethoxysilan

Conditions

Conditions	Yield
With amorphous silicon In paraffin oil at -196 - 150℃; Reagent/catalyst; Sealed tube; Inert atmosphere; Schlenk technique;

...Expand

: 67-56-1
methanol

A: 681-84-5
tetramethylorthosilicate

B: 1185-55-3
Methyltrimethoxysilan

Conditions

Conditions	Yield
With amorphous silicon In paraffin oil at 300℃; Temperature; Reagent/catalyst; Inert atmosphere; Schlenk technique;

: 67-56-1
methanol

A: 681-84-5
tetramethylorthosilicate

B: 1112-39-6
dimethyldimethoxysilan

C: 1185-55-3
Methyltrimethoxysilan

Conditions

Conditions	Yield
With copper(l) chloride In paraffin oil at 300℃; Temperature; Inert atmosphere; Schlenk technique;

...Expand

: 1185-55-3
Methyltrimethoxysilan

: 884-09-3
phenyl thiobenzoate

: 93-58-3
benzoic acid methyl ester

Conditions

Conditions	Yield
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)

: 1185-55-3
Methyltrimethoxysilan

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

Conditions

Conditions	Yield
In benzene-d6 at 60℃; for 1h; Temperature; Inert atmosphere;	100%

: 75-79-6
Methyltrichlorosilane

: 1185-55-3
Methyltrimethoxysilan

: 108-90-7
chlorobenzene

: 3027-21-2
dimethoxy(methyl)phenylsilane

Conditions

Conditions	Yield
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%

...Expand

: 1185-55-3
Methyltrimethoxysilan

: 1506-76-9
cyclotricatechylene

: 121-44-8
triethylamine

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

Conditions

Conditions	Yield
In N,N-dimethyl-formamide; acetonitrile at 100℃; Inert atmosphere;	99.4%

...Expand

: 1185-55-3
Methyltrimethoxysilan

: 75-50-3
trimethylamine

: tetramethylammonium fluorosulfonate

Conditions

Conditions	Yield
With fluorosulfonyl fluoride In chlorobenzene at 20℃; for 12h; Solvent; Sealed tube;	99%
With fluorosulfonyl fluoride In tetrahydrofuran at 23 - 27℃; for 12h;	99%

: 96-29-7
ethyl methyl ketone oxime

: 1185-55-3
Methyltrimethoxysilan

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

Conditions

Conditions	Yield
With toluene-4-sulfonic acid at 85 - 153℃; for 7h; Temperature;	98.3%

: 1185-55-3
Methyltrimethoxysilan

: potassium methylsilicate

Conditions

Conditions	Yield
With potassium chloride; water; acetic acid at 38℃; for 2.5h; Temperature; Reagent/catalyst;	98.3%

: 1185-55-3
Methyltrimethoxysilan

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

: N,N,N-trimethylcyclohexanaminium sulfofluoridate

Conditions

Conditions	Yield
With fluorosulfonyl fluoride In chlorobenzene at 20℃; for 12h; Solvent; Sealed tube;	98%

: 1185-55-3
Methyltrimethoxysilan

: 1506-76-9
cyclotricatechylene

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

Conditions

Conditions	Yield
With sodium hydroxide In N,N-dimethyl-formamide; acetonitrile at 100℃; Inert atmosphere;	97.6%

: 1185-55-3
Methyltrimethoxysilan

: 919-30-2
3-aminopropyltriethoxysilane

xerogel V: xerogel V

Conditions

Conditions	Yield
In ethanol; water for 240h;	97%

: 110-18-9
N,N,N,N,-tetramethylethylenediamine

: 1185-55-3
Methyltrimethoxysilan

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

Conditions

Conditions	Yield
With fluorosulfonyl fluoride In chlorobenzene at 20℃; for 12h; Solvent; Sealed tube;	97%
With fluorosulfonyl fluoride In chlorobenzene at 23 - 27℃; for 12h;	97%

: 1185-55-3
Methyltrimethoxysilan

: 107-46-0
Hexamethyldisiloxane

: 17928-28-8
methyltrimethicone

Conditions

Conditions	Yield
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%

: 1185-55-3
Methyltrimethoxysilan

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

: C10H23O6PSi

Conditions

Conditions	Yield
In diethylene glycol dimethyl ether at 100℃; for 8h; Solvent; Temperature; Inert atmosphere;	95.5%

: 1185-55-3
Methyltrimethoxysilan

: 100-58-3
phenylmagnesium bromide

: 3027-21-2
dimethoxy(methyl)phenylsilane

Conditions

Conditions	Yield
In diethyl ether for 1h; Reflux;	95%

: 1185-55-3
Methyltrimethoxysilan

: 7560-83-0
N-Methyldicyclohexylamine

: N-cyclohexyl-N,N-dimethylcyclohexanaminium sulfofluoridate

Conditions

Conditions	Yield
With fluorosulfonyl fluoride In chlorobenzene at 20℃; for 12h; Solvent; Sealed tube;	95%

: 1185-55-3
Methyltrimethoxysilan

: 824-11-3
ethriol phosphite

: C22H45O12P3Si

Conditions

Conditions	Yield
With dimethyl sulfate at 102 - 150℃; for 13h; Concentration; Temperature; Reagent/catalyst; Solvent; Inert atmosphere;	94.5%

: 1185-55-3
Methyltrimethoxysilan

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

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

Conditions

Conditions	Yield
With hydrogenchloride at 65℃;	94%

: (pentamethylcyclopentadienyl)2Ti(O)(pyridine)

: 1185-55-3
Methyltrimethoxysilan

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

Conditions

Conditions	Yield
In tetrahydrofuran at 20℃; for 24h; Solvent; Temperature; Inert atmosphere;	94%

: 1185-55-3
Methyltrimethoxysilan

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

: C19H36O12Si4

Conditions

Conditions	Yield
With methoxybenzene at 100 - 150℃; for 16h; Temperature;	93.6%

: 1185-55-3
Methyltrimethoxysilan

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

: methylallyldimethoxysilane

Conditions

Conditions	Yield
With magnesium; potassium iodide for 4.5h; Reflux; Inert atmosphere;	92.75%

: 1185-55-3
Methyltrimethoxysilan

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

: C16H27O15P3Si

Conditions

Conditions	Yield
In 1,4-dioxane at 100℃; for 7h; Solvent; Temperature; Inert atmosphere;	92.7%

: 78-77-3
Isobutyl bromide

: 1185-55-3
Methyltrimethoxysilan

: 18293-82-8
isobutylmethyldimethoxysilane

Conditions

Conditions	Yield
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%

: 1185-55-3
Methyltrimethoxysilan

: 107-46-0
Hexamethyldisiloxane

A: 17928-28-8
methyltrimethicone

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

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

Conditions

Conditions	Yield
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

...Expand

: 108-86-1
bromobenzene

: 1185-55-3
Methyltrimethoxysilan

: 3027-21-2
dimethoxy(methyl)phenylsilane

Conditions

Conditions	Yield
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%

: 1185-55-3
Methyltrimethoxysilan

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

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

Conditions

Conditions	Yield
With sodium methylate In methanol at 45℃; for 4h;	90%

: 75-79-6
Methyltrichlorosilane

: 1185-55-3
Methyltrimethoxysilan

Polymer; Monomer(s): methyltrichlorosilane; methyltrimethoxysilane: Polymer; Monomer(s): methyltrichlorosilane; methyltrimethoxysilane

Conditions

Conditions	Yield
With iron(III) chloride at 90℃; for 0.75h; polycondensation;	89%

: 1185-55-3
Methyltrimethoxysilan

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

: C71H123Cl2N6O37P2RuSi22

Conditions

Conditions	Yield
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)

: 1185-55-3
Methyltrimethoxysilan

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

Conditions

Conditions	Yield
With potassium hexamethylsilazane In tetrahydrofuran at 20℃; for 24h; Inert atmosphere;	89%

: 1185-55-3
Methyltrimethoxysilan

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

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

Conditions

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

Methyltrimethoxysilane Consensus Reports

Reported in EPA TSCA Inventory.

Methyltrimethoxysilane Specification

The Methyltrimethoxysilane, with the CAS registry number 1185-55-3, is also known as Trimethoxy(methyl)silane. It belongs to the product categories of Organosilicon;Self Assembly &;Silane Coupling Agents/Adhesion Promoters.This chemical's molecular formula is C₄H₁₂O₃Si and molecular weight is 136.22.Its EINECS number is 214-685-0. What's more,Its systematic name is Trimethoxy(methyl)silane.It is a colorless clear liquid.And it is stable,but moisture sensitive, highly flammable,incompatible with water, strong acids, strong oxidizing agents.It is highly Flammable,when you use it ,keep away from sources of ignition-No smoking.

Physical properties about Methyltrimethoxysilane are:
(1)ACD/LogP: 1.653; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 1.65; (4)ACD/LogD (pH 7.4): 1.65; (5)ACD/BCF (pH 5.5): 10.62; (6)ACD/BCF (pH 7.4): 10.62; (7)ACD/KOC (pH 5.5): 188.84; (8)ACD/KOC (pH 7.4): 188.84; (9)#H bond acceptors: 3; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 3; (12)Index of Refraction: 1.379; (13)Molar Refractivity: 34.533 cm³; (14)Molar Volume: 149.386 cm³; (15)Surface Tension: 18.4139995574951 dyne/cm; (16)Density: 0.912 g/cm³; (17)Flash Point: 11.111 °C; (18)Enthalpy of Vaporization: 32.75 kJ/mol; (19)Boiling Point: 102.499 °C at 760 mmHg; (20)Vapour Pressure: 38.8209991455078 mmHg at 25°C.

You can still convert the following datas into molecular structure:
(1)(1)SMILES:O(C)[Si](OC)(OC)C;
(2)Std. InChI:InChI=1S/C4H12O3Si/c1-5-8(4,6-2)7-3/h1-4H3;
(3)Std. InChIKey:BFXIKLCIZHOAAZ-UHFFFAOYSA-N.

The toxicity data of Methyltrimethoxysilane as follows:

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Effect	Source
rabbit	LD	skin	> 10mL/kg (10mL/kg)		Union Carbide Data Sheet. Vol. 1/17/1972,
rat	LD50	oral	12300uL/kg (12.3mL/kg)		Union Carbide Data Sheet. Vol. 1/17/1972,

Product Name

Methyltrimethoxysilane

Synthetic route

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