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Methoxyethene

Methoxyethene

Basic Information

CAS No.: 107-25-5
Molecular Formula: C3H6O
Molecular Weight: 58.08

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Product Details

Vinyl methyl ether is an unsaturated ether compound with active chemical properties. It is a flammable gas at room temperature and has a special odor. Due to the presence of vinyl (-CH=CH₂) and methoxy (-OCH₃) in its molecular structure, it possesses the reaction characteristics of ethers and alkenes. It is a colorless flammable gas at normal temperature (25℃) and pressure, but can be liquefied into a colorless and transparent liquid at low temperatures or under pressure.

Chemical Properties

PropertyValue

Melting point

-122°C

Boiling point

6°C

Density

0.7440

Vapor pressure

169.17kPa at 20℃

Refractive index

1.3947

Water Solubility

17.1g/L at 25℃

InChI

InChI=1S/C3H6O/c1-3-4-2/h3H,1H2,2H3

InChIKey

XJRBAMWJDBPFIM-UHFFFAOYSA-N

SMILES

C=COC

LogP

0.42 at 25℃

CAS DataBase Reference

107-25-5(CAS DataBase Reference)

NIST Chemistry Reference

Ethene, methoxy-(107-25-5)

EPA Substance Registry System

Vinyl methyl ether (107-25-5)


Safety Information

PropertyValue

Hazard Codes

F+

Risk Statements

12

Safety Statements

9-16-33

RIDADR

UN 1087

HazardClass

2.1

Hazardous Substances Data

107-25-5(Hazardous Substances Data)

Toxicity

rabbit,LD50,skin,> 8gm/kg (8000mg/kg),GAF Material Safety Data Sheet.


Product Usage

Methoxyethene, also known as methyl vinyl ether (MVE), is a highly reactive gaseous monomer essential for the production of high-performance polymers and specialty chemicals. Its most prominent application is in the synthesis of PVM/MA copolymers (Polyvinyl methyl ether/maleic anhydride), which are widely used as stabilizers, thickeners, and adhesives in the pharmaceutical and oral care industries, particularly in denture adhesives. In the coatings and inks sector, it serves as a critical monomer for manufacturing resins that require excellent flexibility and adhesion. Furthermore, methoxyethene is a versatile organic intermediate used in the synthesis of glutaraldehyde and various fragrance components. It is also employed as a specialized surface treatment agent in the production of magnetic recording materials and advanced electronics.

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