CAS No.1825-62-3,Ethoxytrimethylsilane Suppliers

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Basic Information

Molecular Structure:
CAS No.:	1825-62-3
Name:	Ethoxytrimethylsilane
Article Data:	146

Formula:	C₅H₁₄OSi
Molecular Weight:	118.251
Synonyms:	Ethyl trimethylsilyl ether;Trimethylsilicon ethoxide;Trimethylsilyl ethoxide;Trimethylsilyl ethyl ether;LS 875;NSC 43345;Silane M 3-ethoxy;Trimethylethoxysilane;
EINECS:	217-370-6
Density:	0.772 g/cm³
Melting Point:	-83 °C
Boiling Point:	75.5 °C at 760 mmHg
Flash Point:	-18 °C
Solubility:	reacts with water
Appearance:	clear colorless liquid
Hazard Symbols:	F, Xn, Xi
Risk Codes:	11-22-36/37/38
Safety:	16-26-9-37/39-33
Transport Information:	UN 1993 3/PG 2
PSA:	9.23000
LogP:	1.85780

Synthetic route

: 64-17-5
ethanol

Nafion-TMS: Nafion-TMS

: 1825-62-3
ethyl trimethylsilyl ether

Conditions

Conditions	Yield
With triethylamine In dichloromethane at 27℃; for 3h;	100%

: 64-17-5
ethanol

: 114518-51-3
N,N'-bis<(trimethylsiloxy)carbonyl>-N,N'-bis(trimethylsilyl)hydrazine

: 1825-62-3
ethyl trimethylsilyl ether

Conditions

Conditions	Yield
	97.5%

: 64-17-5
ethanol

: 999-97-3
1,1,1,3,3,3-hexamethyl-disilazane

: 1825-62-3
ethyl trimethylsilyl ether

Conditions

Conditions	Yield
With tetrabutylammonium phthalimide-N-oxyl In ethyl acetate for 1h; Reflux;	96%
With [nano-MCM-41(at)(CH2)3-1-methylimidazole]Br3 In dichloromethane at 20℃; for 0.416667h;	90%

: 122-51-0
orthoformic acid triethyl ester

A: 74-96-4
ethyl bromide

B: 1825-62-3
ethyl trimethylsilyl ether

C: 109-94-4
formic acid ethyl ester

Conditions

Conditions	Yield
With chloro-trimethyl-silane; sodium bromide for 2h; Product distribution; Heating; Me3SiBr generated in situ;	A n/a B n/a C 92%

...Expand

: 64-17-5
ethanol

: 17881-28-6
N,N'-trimethylsilyl(phenyl)diazene

A: 1825-62-3
ethyl trimethylsilyl ether

B: 1227476-15-4
Azobenzene

C: 71-43-2
benzene

Conditions

Conditions	Yield
for 0.5h; Ambient temperature;	A 92% B 0.01 mmol C 66%

...Expand

: 43112-38-5
3-(trimethylsilyl)-2-oxazolidinone

: 64-17-5
ethanol

: 1825-62-3
ethyl trimethylsilyl ether

Conditions

Conditions	Yield
chloro-trimethyl-silane at 20℃; for 0.0166667h;	90%

: 5573-62-6
(ethylthio)trimethylsilane

: 122-51-0
orthoformic acid triethyl ester

A: 1825-62-3
ethyl trimethylsilyl ether

B: 6267-24-9
tris(ethylsulfanyl)methane

Conditions

Conditions	Yield
With zinc(II) chloride In toluene at 0℃; for 5h;	A 85% B 90%

...Expand

: 122-51-0
orthoformic acid triethyl ester

: 153080-50-3
C7H19PS4Si

A: 1825-62-3
ethyl trimethylsilyl ether

B: S,S'-diethyl-S''-bis(1-ethoxy)methyl tetrathiophosphate

Conditions

Conditions	Yield
at 20℃; for 2h;	A 90% B 69%

...Expand

: 64-17-5
ethanol

: 56002-69-8
trimethyl-(1H,1H,3H-tetrafluoropropoxy)silane

: 1825-62-3
ethyl trimethylsilyl ether

Conditions

Conditions	Yield
at 20℃; for 1h;	88.9%

: 78-08-0
Triethoxyvinylsilane

: 77214-46-1
N-<(β-trimethylsiloxy)ethyl>formamide

A: 1825-62-3
ethyl trimethylsilyl ether

B: N-<2-(diethoxyvinylsiloxy)ethyl>formamide

Conditions

Conditions	Yield
With aluminum isopropoxide for 0.166667h; Yields of byproduct given;	A n/a B 86%

...Expand

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Consensus Reports

Reported in EPA TSCA Inventory.

Specification

The IUPAC name of this chemical is ethoxy(trimethyl)silane. With the CAS registry number 1825-62-3 and EINECS 217-370-6, it is also named as Silane, ethoxytrimethyl-. The product's categories are Monoalkoxysilanes; Si (Classes of Silicon Compounds); Si-O Compounds. It is clear colorless liquid which reacts with water. When heated to decomposition it emits acrid smoke and irritating fumes. Additioanlly, this chemical should be sealed in the container and stored in the cool, well-ventilated and dry place. People should ensure that the workplace has well-ventilated equipment.

The other characteristics of this product can be summarized as: (1)ACD/LogP: 2.15; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 2.15; (4)ACD/LogD (pH 7.4): 2.15; (5)ACD/BCF (pH 5.5): 25.37; (6)ACD/BCF (pH 7.4): 25.37; (7)ACD/KOC (pH 5.5): 352.2; (8)ACD/KOC (pH 7.4): 352.2; (9)#H bond acceptors: 1; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 2; (12)Polar Surface Area: 9.23 Å²; (13)Index of Refraction: 1.382; (14)Molar Refractivity: 35.67 cm³; (15)Molar Volume: 153.1 cm³; (16)Polarizability: 14.14×10^-24 cm³; (17)Surface Tension: 16.7 dyne/cm; (18)Enthalpy of Vaporization: 30.35 kJ/mol; (19)Vapour Pressure: 115 mmHg at 25°C; (20)Rotatable Bond Count: 2; (21)Exact Mass: 118.081392; (22)MonoIsotopic Mass: 118.081392; (23)Topological Polar Surface Area: 9.2; (24)Heavy Atom Count: 7; (25)Complexity: 46.5.

Preparation of Ethoxytrimethylsilane: It can be obtained by chloro-trimethyl-silane and ethanol. This reaction needs reagent urea at temperature of 20 °C. The reaction time is 4 hours. The yield is 80.2%.

Ethoxytrimethylsilane can be obtained by chloro-trimethyl-silane and ethanol

Uses of Ethoxytrimethylsilane: It is used in the synthesis of organic silicon compounds. And it is also used as water repellent. Besides, it can react with benzene-1,2,4,5-tetracarbonitrile to get 5-Methyl-1,2,4-benzenetricarbonitrile. This reaction needs solvent acetonitrile by irradiation. The reaction time is 2 hours. The yield is 85%.

Ethoxytrimethylsilane can react with benzene-1,2,4,5-tetracarbonitrile to get 5-Methyl-1,2,4-benzenetricarbonitrile

When you are using this chemical, please be cautious about it as the following:
It is not only harmful if swallowed, but also irritating to eyes, respiratory system and skin. And it is highly flammable, so people should keep away from sources of ignition. In case of contacting with eyes, rinse immediately with plenty of water and seek medical advice. After using it, take precautionary measures against static discharges. If you want to contact this product, you must wear suitable gloves and eye/face protection.

People can use the following data to convert to the molecule structure.
1. SMILES:O(CC)[Si](C)(C)C
2. InChI:InChI=1/C5H14OSi/c1-5-6-7(2,3)4/h5H2,1-4H3
3. InChIKey:RSIHJDGMBDPTIM-UHFFFAOYAV

The following are the toxicity data which has been tested.

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Effect	Source
rat	LCLo	inhalation	4000ppm/8H (4000ppm)	BEHAVIORAL: TREMOR LUNGS, THORAX, OR RESPIRATION: DYSPNEA GASTROINTESTINAL: CHANGES IN STRUCTURE OR FUNCTION OF SALIVARY GLANDS	Journal of Industrial Hygiene and Toxicology. Vol. 30, Pg. 332, 1948.
rat	LDLo	oral	1400mg/kg (1400mg/kg)		Journal of Industrial Hygiene and Toxicology. Vol. 30, Pg. 332, 1948.