Allyl butyl ether
Allyl butyl ether (CAS: 3739-64-8) is a chemical compound with the linear formula CH2=CHCH2OCH2CH2CH2CH3 and a molecular weight of 114.19 g/mol. This allyl monomer finds utility in materials science and polymer science due to its reactive allyl group. It is primarily used as a monomer in polymerisation reactions and as an intermediate in organic synthesis, contributing to the development of novel materials and chemical entities.

Monomer in Polymerisation
Allyl butyl ether serves as a monomer in the synthesis of polymers. Its allyl functionality allows for incorporation into polymer chains, influencing material properties such as flexibility and chemical resistance.
Organic Synthesis Intermediate
The compound acts as a versatile intermediate in various organic synthesis pathways. It can be employed in reactions requiring an allyl group or an ether linkage, facilitating the construction of complex molecules.
Materials Science Research
Within materials science, Allyl butyl ether can be investigated for the development of new materials. Its unique structure may lead to polymers with specialised applications in coatings, adhesives, or advanced composites.
| Molecular weight | 114.19 |
|---|---|
| Linear formula | CH2=CHCH2OCH2CH2CH2CH3 |
| Assay | 98% |
| Density | 0.783 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.406(lit.) |


Hazard statements
- H225Highly flammable liquid and vapour
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P210Keep away from heat, sparks and open flames. No smoking
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 11 °C / 51.8 °F |
| Transport (UN / ADR) | UN 3271 3 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | F,Xi |
| Risk statements (R) | 11-36/37/38 |
| Safety statements (S) | 16-26-36 |
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 Allyl butyl ether used for?
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Allyl butyl ether (CAS: 3739-64-8) is primarily used as a monomer in polymerisation reactions for materials science and polymer science applications, and as an intermediate in organic synthesis.
What are the CAS number and formula for Allyl butyl ether?
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The CAS number for Allyl butyl ether is 3739-64-8, and its linear formula is CH2=CHCH2OCH2CH2CH2CH3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Allyl butyl ether with a minimum assay of 98%. We do not represent this product as meeting any pharmacopoeial standards such as USP, BP, or EP.
How should Allyl butyl ether be handled safely?
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Allyl butyl ether is a flammable liquid and vapour (H225) and causes skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335). Handle with appropriate personal protective equipment, including eyeshields, gloves, and a suitable respirator, in a well-ventilated area, away from ignition sources.
Is Allyl butyl ether a controlled substance?
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The provided data does not indicate that Allyl butyl ether is a controlled substance.
How is Allyl butyl ether exported or shipped?
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Allyl butyl ether is shipped under UN 3271, Hazard Class 3, Packing Group II, according to ADR/RID/IMDG/IATA regulations.
How can I request a quote or sample for Allyl butyl ether?
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To request a quote or sample for Allyl butyl ether, please contact our sales team through the Tech Serve Solutions website or by phone.
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