2-Ethylhexyl vinyl ether
2-Ethylhexyl vinyl ether (CAS 103-44-6), with the molecular formula CH3(CH2)3CH(C2H5)CH2OCH=CH2, is a versatile vinyl ether monomer. It serves as a key building block in polymer science and materials development. Its unique structure allows for participation in various polymerisation reactions, leading to diverse material properties. This compound is valuable in research and industrial applications requiring tailored polymer characteristics.

Polymerisation Monomer
As a vinyl ether monomer, 2-Ethylhexyl vinyl ether can undergo cationic polymerisation. It is used in the synthesis of speciality polymers and copolymers for materials science applications, contributing to unique backbone structures and properties.
Copolymer Synthesis
This compound can be copolymerised with other monomers to create materials with modified physical and chemical properties. The incorporation of the 2-ethylhexyl group can influence flexibility, solubility, and adhesion in the resulting polymers.
Chemical Intermediate
2-Ethylhexyl vinyl ether can serve as an intermediate in organic synthesis. Its reactive vinyl group allows for further functionalisation, enabling its use in the creation of more complex molecules for various chemical industries.
| Molecular weight | 156.27 |
|---|---|
| Linear formula | CH3(CH2)3CH(C2H5)CH2OCH=CH2 |
| Assay | 98% |
| Boiling point | 177-178 °C(lit.) |
| Density | 0.816 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.428(lit.) |
| Melting point | −85 °C(lit.) |


Hazard statements
- H226Flammable liquid and vapour
- H302Harmful if swallowed
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 52 °C / 125.6 °F |
| Transport (UN / ADR) | UN 3271 3 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T+ |
| Risk statements (R) | 10-22-27 |
| Safety statements (S) | 28-36/37-45 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is 2-Ethylhexyl vinyl ether used for?
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2-Ethylhexyl vinyl ether is primarily used as a monomer in polymerisation reactions for materials science and as an intermediate in organic synthesis.
What is the CAS number and chemical formula for 2-Ethylhexyl vinyl ether?
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The CAS number is 103-44-6, and the chemical formula is CH3(CH2)3CH(C2H5)CH2OCH=CH2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-Ethylhexyl vinyl ether with an assay of 98%. We do not represent this product as USP, BP, or EP grade.
How should 2-Ethylhexyl vinyl ether be handled?
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2-Ethylhexyl vinyl ether is a flammable liquid and vapour (H226) and is harmful if swallowed (H302). Handle with appropriate personal protective equipment, including eyeshields, face shields, and suitable gloves and respiratory protection, in a well-ventilated area.
How is 2-Ethylhexyl vinyl ether packed and shipped?
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2-Ethylhexyl vinyl ether is shipped as UN 3271, Class 3, Packing Group III. It is packaged according to international regulations for hazardous materials transport.
How can I request a sample or quote for 2-Ethylhexyl vinyl ether?
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To request a sample or quote, please contact our sales department through the website or by phone, providing your details and the product CAS number 103-44-6.
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