Isobutyl acrylate
Isobutyl acrylate (CAS: 106-63-8) is an organic compound with the linear formula CH₂=CHCOOCH₂CH(CH₃)₂ and a molecular weight of 128.17 g/mol. As an acrylic ester, it serves as a versatile monomer in polymer synthesis. Its properties make it valuable in the formulation of adhesives, coatings, and specialty polymers, contributing to materials with specific physical and chemical characteristics. Tech Serve Solutions offers this chemical for research and industrial applications.

Polymer Synthesis
Isobutyl acrylate is a key monomer used in the production of various polymers and copolymers. Its incorporation influences the final properties of the polymer, such as flexibility, adhesion, and chemical resistance.
Adhesives and Sealants
The chemical properties of isobutyl acrylate make it suitable for formulating high-performance adhesives and sealants. It contributes to the tack, peel strength, and durability of adhesive products.
Coatings and Paints
It is utilised in the development of coatings, paints, and lacquers, where it can enhance film formation, gloss, and weatherability. Polymers derived from this monomer offer good resistance to water and chemicals.
Chemical Intermediates
As a reactive ester, isobutyl acrylate can function as an intermediate in various organic synthesis pathways, enabling the creation of more complex molecules for diverse chemical applications.
| Molecular weight | 128.17 |
|---|---|
| Linear formula | CH2=CHCOOCH2CH(CH3)2 |
| Assay | ≥99% |
| Boiling point | 132 °C(lit.) |
| Density | 0.89 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.414(lit.) |
| Contains / stabiliser | 10-20 ppm monomethyl ether hydroquinone as inhibitor |


Hazard statements
- H226Flammable liquid and vapour
- H312Harmful in contact with skin
- H315Causes skin irritation
- H317May cause an allergic skin reaction
- H332Harmful if inhaled
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 32 °C / 89.6 °F |
| Transport (UN / ADR) | UN 2527 3 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 10-20/21-38-43 |
| Safety statements (S) | 9-24-37 |
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 Isobutyl acrylate used for?
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Isobutyl acrylate is primarily used as a monomer in polymer synthesis, contributing to the creation of polymers found in adhesives, coatings, and specialty materials. It also serves as an intermediate in organic synthesis.
What are the CAS number and formula for Isobutyl acrylate?
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The CAS number for Isobutyl acrylate is 106-63-8, and its linear formula is CH₂=CHCOOCH₂CH(CH₃)₂.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Isobutyl acrylate with an assay of ≥99%. We offer this product for research and industrial applications; it is not supplied as USP, BP, EP, or pharmaceutical grade.
How should Isobutyl acrylate be handled safely?
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Isobutyl acrylate is a flammable liquid and vapour (H226), harmful if swallowed, in contact with skin, or inhaled (H312, H332). It also causes skin irritation (H315) and allergic skin reaction (H317). Handle with appropriate personal protective equipment, including gloves, eye protection, and respiratory protection, in a well-ventilated area.
How is Isobutyl acrylate packed and shipped?
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Isobutyl acrylate is shipped as a regulated material, UN 2527, Class 3, Packing Group III. Specific packaging adheres to international shipping regulations. We export globally to meet diverse client needs.
How can I request a sample or quote?
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To request a sample or a detailed quote for Isobutyl acrylate, please contact our sales department through our website or by phone, providing your specific requirements.
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