2-(tert-Butylamino)ethyl methacrylate, ≥ 96.5%, is a functional methacrylate monomer containing both polymerizable methacrylate functionality and a secondary amine group. It is useful in acrylic copolymer systems where amine functionality, hydrophobic character, adhesion, and pH-responsive behavior are important formulation targets.
Synonyms: TBAEMA; Methacrylic Acid 2-(tert-Butylamino)ethyl Ester; 2-(N-tert-Butylamino)ethyl methacrylate; N-tert-Butylaminoethyl methacrylate; t-Butylaminoethyl methacrylate.
This monomer is commonly used in the development of functional acrylic polymers, adhesives, coatings, hydrogels, ion-responsive materials, and specialty copolymers. The amine functionality can support polymer interactions, pH-responsive behavior, and compatibility tuning depending on monomer ratio, copolymer composition, and formulation conditions.
Key Properties
- Functional methacrylate monomer
- Chemical purity: ≥ 96.5%
- CAS Number: 3775-90-4
- Molecular weight: 185.3
- Contains approximately 1100 ppm MEHQ inhibitor
- Refractive index: 1.442
- Glass transition temperature (Tg): 33°C
- Used in amine-functional acrylic copolymers, adhesives, coatings, and responsive polymer systems
Applications
Functional Acrylic Copolymers
2-(tert-Butylamino)ethyl methacrylate can be copolymerized with compatible acrylic and methacrylic monomers to introduce amine functionality into specialty polymer systems.
pH-Responsive Polymer Research
The amine-containing structure makes TBAEMA useful in research involving pH-responsive polymers, hydrogels, and stimuli-responsive materials with tunable swelling or interaction behavior.
Adhesives & Sealants
TBAEMA may be used in pressure-sensitive adhesive, sealant, and bonding formulations where amine functionality and methacrylate reactivity help adjust adhesion, flexibility, and polymer compatibility.
Coatings & Surface Modification
Functional acrylic coatings and surface-treatment systems may incorporate TBAEMA to modify adhesion, interfacial behavior, hydrophobicity, and chemical functionality.
Ion-Responsive & Separation Materials
Amine-functional methacrylate polymers may be evaluated in ion-responsive materials, membrane research, filtration media, and polymer systems requiring tunable charge or interaction properties.
Preparation & Use Considerations
- Confirm compatibility with selected comonomers, initiators, solvents, stabilizers, and processing conditions
- Amine functionality may influence polymerization behavior, copolymer composition, adhesion, and pH response
- Final polymer properties depend on monomer ratio, molecular weight, glass transition temperature, cure conditions, and formulation design
- Use appropriate polymerization controls for methacrylate monomers containing MEHQ inhibitor
Handling & Storage
- Store at 4°C according to the product listing
- Keep tightly sealed and protect from heat, ignition sources, and incompatible materials
- Use gloves, chemical goggles, and a chemical mask or hood according to the product listing
- Handle as a combustible, irritant, and skin-sensitizing monomer
- Refer to the Safety Data Sheet for complete handling, storage, and disposal guidance
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FAQ
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1. What is 2-(tert-Butylamino)ethyl methacrylate used for?
2-(tert-Butylamino)ethyl methacrylate is used as a functional methacrylate monomer in acrylic copolymers, adhesives, coatings, hydrogels, pH-responsive materials, and ion-responsive polymer research.
2. What does TBAEMA stand for?
TBAEMA is a common abbreviation for 2-(tert-Butylamino)ethyl methacrylate.
3. Is TBAEMA an amine-functional methacrylate?
Yes. TBAEMA contains methacrylate functionality for polymerization and an amine group that can influence polymer interactions, pH response, adhesion, and formulation behavior.
4. What purity is this 2-(tert-Butylamino)ethyl methacrylate?
This product is listed as 2-(tert-Butylamino)ethyl methacrylate, ≥ 96.5%.
5. How should TBAEMA be stored?
The product listing specifies storage at 4°C. Keep the container tightly sealed and consult the SDS for complete storage and handling guidance.
Safety & Documentation
2-(tert-Butylamino)ethyl methacrylate is listed as combustible, an irritant, and a skin sensitizer. Review the product Safety Data Sheet before handling and use appropriate PPE, ventilation, storage, and disposal procedures.
