Encyclopedia / Syntheses Material Intermediates / Organic Intermediate

DIMETHYLMETHOXYCHLOROSILANE

CAS：1825-68-9
MW:124.639
MF：C3H9ClOSi

DIMETHYLMETHOXYCHLOROSILANE, with the chemical formula C3H9ClOSi and CAS registry number 1825-68-9, is a compound known for its applications in various chemical processes. This colorless liquid, also referred to as DMCH, is characterized by its methyl, methoxy, and chloro functional groups. It is commonly used as a reagent in organic synthesis, offering a versatile platform for the introduction of methyl, methoxy, and chloro moieties into different molecules. DMCH is also used as a precursor in the production of silicon-based materials, such as silicone polymers and resins. It is important to handle DMCH with caution, as it is flammable and may react violently with water or moisture. Overall, DMCH plays a crucial role in the development of various compounds and materials in the field of chemistry.

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Names and ldentifier
Use and Manufacturing
Msds
NMR Spectrum
Other Information
Computational chemical data

1. Names and Identifiers

1.1 Name: DIMETHYLMETHOXYCHLOROSILANE

1.2 Synonyms: Chloro(methoxy)dimethylsilane; Chlorodimethylmethoxysilane; CHLORO-DIMETHYL-METHOXYSILANE; chloromethoxydimethyl-silan; Chloromethoxydimethylsilane; Chloro-methoxy-dimethylsilane; dimethyl(methoxy)chlorosilane; Dimethylchloromethoxysilane; DIMETHYL-CHLORO-METHOXYSILANE; DIMETHYLMETHOXYCHLOROSILANE; Dimethylmethoxychlorosilane, Technical; Dimethylmethoxysilyl chloride; Methoxychlorodimethylsilane; Methoxydimethylchlorosilane; Methoxydimethylsilyl chloride; MFCD00053901; sGQDDHbNBSSUP@; Silane, chloromethoxydimethyl-; Silane,chloromethoxydimethyl;

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1.3 CAS No.: 1825-68-9

1.4 CID: 74579

1.5 Molecular Formula: C3H9ClOSi

1.6 Inchi: InChI=1S/C3H9ClOSi/c1-5-6(2,3)4/h1-3H3

1.7 InChkey: AWSNMQUTBVZKHY-UHFFFAOYSA-N

1.8 Canonical Smiles: CO[Si](C)(C)Cl

1.9 Isomers Smiles: CO[Si](C)(C)Cl

2. Use and Manufacturing

2.1 Description

DIMETHYLMETHOXYCHLOROSILANE is a chemical compound with the CAS number 1825-68-9. It appears as a colorless liquid with a pungent odor. The molecular formula of DIMETHYLMETHOXYCHLOROSILANE is C3H9ClOSi. This compound is soluble in organic solvents but insoluble in water. Safety information indicates that DIMETHYLMETHOXYCHLOROSILANE may cause skin and eye irritation, and it should be handled with caution. It is also flammable and can release toxic fumes when exposed to high temperatures. Proper safety measures should be taken to prevent its spread to the environment.

Applicable Fields

Silicone Synthesis: DIMETHYLMETHOXYCHLOROSILANE is commonly used in the synthesis of silicones. Its purpose in this field is to act as a precursor for the production of various silicone polymers and resins. The mechanism of action involves the reaction of DIMETHYLMETHOXYCHLOROSILANE with other silicone precursors, leading to the formation of silicon-oxygen bonds and the creation of silicone products.

Surface Modification: This chemical is also utilized in surface modification processes. Its purpose in this field is to enhance the surface properties of materials by introducing silicon-based functional groups. The mechanism of action involves the reaction of DIMETHYLMETHOXYCHLOROSILANE with the surface of the material, resulting in the formation of a thin silicon-containing layer that can improve properties such as hydrophobicity or adhesion.

Storage

Conditions: Store in a cool and dry place, away from direct sunlight.

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3. MSDS

2.Hazard identification

2.1 Classification of the substance or mixture

Flammable liquids, Category 2

Skin corrosion, Category 1B

2.2 GHS label elements, including precautionary statements

Pictogram(s)
Signal word	Danger
Hazard statement(s)	H225 Highly flammable liquid and vapour H314 Causes severe skin burns and eye damage
Precautionary statement(s)
Prevention	P210 Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking. P233 Keep container tightly closed. P240 Ground and bond container and receiving equipment. P241 Use explosion-proof [electrical/ventilating/lighting/...] equipment. P242 Use non-sparking tools. P243 Take action to prevent static discharges. P280 Wear protective gloves/protective clothing/eye protection/face protection. P260 Do not breathe dust/fume/gas/mist/vapours/spray. P264 Wash ... thoroughly after handling.
Response	P303+P361+P353 IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water [or shower]. P370+P378 In case of fire: Use ... to extinguish. P301+P330+P331 IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. P363 Wash contaminated clothing before reuse. P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing. P310 Immediately call a POISON CENTER/doctor/\u2026 P321 Specific treatment (see ... on this label). P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Storage	P403+P235 Store in a well-ventilated place. Keep cool. P405 Store locked up.
Disposal	P501 Dispose of contents/container to ...

2.3 Other hazards which do not result in classification

none

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4. NMR Spectrum

13C NMR : Predict

1H NMR : Predict

5. Synthesis Route

1825-68-9Total: 6 Synthesis Route

23272-12-0

1116-01-4

1825-68-9 20 Suppliers

67-56-1 382 Suppliers

75-78-5 7 Suppliers

1825-68-9 20 Suppliers

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6. Precursor and Product

precursor:

75-78-5

1112-39-6

819-43-2

23272-12-0

676-83-5

151237-85-3

67-56-1

product:

58666-68-5

23761-74-2

90101-24-9

52686-74-5

3528-14-1

16109-39-0

5573-48-8

55606-82-1

16054-12-9

66548-21-8

7. Computed Properties

Molecular Weight：124.639g/mol
Molecular Formula：C₃H₉ClOSi
Compound Is Canonicalized：True
XLogP3-AA：124.0111191
Monoisotopic Mass：124.0111191
Complexity：46.1
Rotatable Bond Count：1
Hydrogen Bond Donor Count：0
Hydrogen Bond Acceptor Count：1
Topological Polar Surface Area：9.2
Heavy Atom Count：：6
Defined Atom Stereocenter Count：0
Undefined Atom Stereocenter Count：0
Defined Bond Stereocenter Count：0
Undefined Bond Stereocenter Count：0
Isotope Atom Count：0
Covalently-Bonded Unit Count：1
CACTVS Substructure Key Fingerprint：AAADccBAIAgEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAEhAAAEAgAAAAAAJCAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==