CAS No.1185-55-3,Methyltrimethoxysilane Suppliers,MSDS download

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Basic Information

Molecular Structure:
CAS No.:	1185-55-3
Name:	Methyltrimethoxysilane
Article Data:	43
Cas Database

Formula:	C₄H₁₂O₃Si
Molecular Weight:	136.223
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;
EINECS:	214-685-0
Density:	0.911 g/cm³
Melting Point:	<-70 ºC
Boiling Point:	102.5 ºC at 760 mmHg
Flash Point:	11.1 ºC
Solubility:	decomposes in water
Appearance:	colourless liquid
Hazard Symbols:	F
Risk Codes:	11
Safety:	16
Transport Information:	UN 1993 3/PG 2
PSA:	27.69000
LogP:	0.49430

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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

Raw Materials

373-74-0

75-79-6

67-56-1

Downstream Products

358-67-8

373-74-0

61184-38-1

75-79-6

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Consensus Reports

Reported in EPA TSCA Inventory.

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,