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Methylethoxydichlorosilane, also known as (chloromethyl)triethoxysilane, is an organosilicon compound with the chemical formula C4H11Cl2O2Si. It is a colorless liquid that is soluble in water and is commonly used as a coupling agent in the production of composite materials, particularly in the reinforcement of plastics and rubber with glass fibers. Methylethoxydichlorosilane is also employed as a cross-linking agent in the synthesis of silicone resins and as a silylating agent in organic synthesis. Due to its reactivity with moisture, it is typically handled under anhydrous conditions and is considered hazardous, necessitating proper safety precautions during its use and storage.

1825-75-8

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1825-75-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1825-75-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,8,2 and 5 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1825-75:
(6*1)+(5*8)+(4*2)+(3*5)+(2*7)+(1*5)=88
88 % 10 = 8
So 1825-75-8 is a valid CAS Registry Number.
InChI:InChI=1/C3H8Cl2OSi/c1-2-6-3(4,5)7/h2H2,1,7H3

1825-75-8SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 14, 2017

Revision Date: Aug 14, 2017

1.Identification

1.1 GHS Product identifier

Product name 2,2-dichloroethoxymethylsilane

1.2 Other means of identification

Product number -
Other names methylethoxydichlorosilane

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:1825-75-8 SDS

1825-75-8Relevant academic research and scientific papers

METHOD OF MAKING PHENYL-CONTAINING CHLOROSILANES WITH ALIPHATIC OR CYCLOPARAFFINIC HYDROCARBON SOLVENTS

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Page/Page column 5-7, (2008/06/13)

Phenylmethyldichlorosilanes and diphenylmethylchlorosilanes are prepared by a Grignard process involving the step of contacting a phenyl Grignard reagent, an ether solvent, a trichlorosilane, and an aliphatic or cycloparaffinic hydrocarbon coupling solvent; in a mole ratio of the ether solvent to the phenyl Grignard reagent is 2 to 5, the mole ratio of the trichlorosilane to the phenyl Grignard reagent is 0.1 to 10, and the mole ratio of the aliphatic or cycloparaffinic hydrocarbon coupling solvent to the phenyl Grignard reagent is 3 to 7. Preferred reactants include phenylmagnesium chloride as the phenyl Grignard reagent; diethyl ether as solvent; n-heptane as the aliphatic hydrocarbon coupling solvent, or cyclohexane as the cycloparaffinic hydrocarbon coupling solvent; and methyltrichlorosilane.

Reaction of Tetraalkoxysilanes with Alkyl(aryl)chlorosilanes

Chernyshev, E. A.,Komalenkova, N. G.,Tagachenkov, A. A.,Bykovchenko, V. G.

, p. 241 - 243 (2007/10/03)

Alkyl(aryl)trichloro- or dialkyl(diaryl)dichlorosilanes react with tetraalkoxysilanes Si(OMe)4, Si(OEt)4, and Si(OBu)4 to give partially etherfied alkyl(aryl)chlorosilanes RSiCl2(OAlk), RSiCl(OAlk)2, and R2SiCl(OAlk).

ETHERIFICATION OF METHYLTRICHLOROSILANE WITH ALIPHATIC ALCOHOLS.

Utkin,Pavlova,Kolobkov,Vasil'ev

, p. 601 - 605 (2007/10/02)

The authors report the results of a study of etherification of MTCS with C//2-C//4 aliphatic alcohols. It is shown experimentally that the rate of etherification of MTCS falls with increase of the molecular weight of the aliphatic alcohol. Etherification is slower with alcohols of branched structure than with the corresponding alcohols of normal structure. The rate of etherification of MTCS decreases with decrease of the number of chlorine atoms in the organochlorosilane molecule, and the final stage is reversible.

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