n-Butyl acrylate is a monofunctional acrylic ester used as a hydrocarbon building-block monomer in polymer synthesis. Poly(n-butyl acrylate) has a homopolymer glass transition temperature of approximately −54°C, making this monomer useful when developing lower-Tg acrylic polymers and copolymers.
Product 02037 has a minimum purity of 99% and includes 15–20 ppm MEHQ inhibitor. Its CAS number is 141-32-2, molecular formula is C7H12O2, and molecular weight is 128.2.
n-Butyl acrylate can be evaluated in acrylic copolymers for adhesives, sealants, coatings, and polymer dispersions. Final polymer properties depend on the comonomers, monomer ratios, molecular weight, crosslinking, and processing conditions used in the formulation.
Key Properties
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Product number: 02037
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Chemical name: n-Butyl acrylate
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CAS number: 141-32-2
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Molecular formula: C7H12O2
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Linear formula: H2C=CHCO2(CH2)3CH3
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Molecular weight: 128.2
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Purity: ≥99%
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Inhibitor: 15–20 ppm MEHQ
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Homopolymer glass transition temperature: Approximately −54°C
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Boiling point: 43–44°C at 14 mm Hg
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Refractive index: n20/D 1.418
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Storage: 4°C
Applications
Acrylic Copolymer Research
Use n-butyl acrylate as a monofunctional comonomer when studying how monomer composition affects polymer glass transition temperature, flexibility, and related material properties.
Adhesives and Sealants
Evaluate n-butyl acrylate in pressure-sensitive adhesive and sealant formulations where a lower-Tg acrylic component is desired.
Coatings and Polymer Dispersions
Use in acrylic coating and polymer-dispersion research to adjust flexibility and film properties through controlled copolymer composition.
Formulation Considerations
- The approximately −54°C value refers to the glass transition temperature of poly(n-butyl acrylate) homopolymer, not the liquid monomer.
- The product contains MEHQ inhibitor. Confirm that the initiation system and processing conditions are appropriate for the intended polymerization.
Handling and Storage
Store at 4°C with the container tightly closed. Use appropriate laboratory ventilation and personal protective equipment in accordance with the current product label and Safety Data Sheet.
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Frequently Asked Questions
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What is n-butyl acrylate used for?
n-Butyl acrylate is used as a monomer in acrylic polymer and copolymer research. Potential formulation areas include adhesives, sealants, coatings, and polymer dispersions.
What does the −54°C glass transition temperature mean?
The approximately −54°C value is the glass transition temperature of poly(n-butyl acrylate) homopolymer. It is not a phase-transition temperature for the liquid monomer. Copolymer Tg will vary with the complete formulation.
Is n-butyl acrylate the same as isobutyl acrylate or tert-butyl acrylate?
No. n-Butyl acrylate, isobutyl acrylate, and tert-butyl acrylate are distinct chemical compounds with different molecular structures and properties.
What are the CAS number and molecular weight of n-butyl acrylate?
The CAS number is 141-32-2 and the molecular weight is 128.2.
What purity and inhibitor levels apply to Product 02037?
Product 02037 has a minimum purity of 99% and contains 15–20 ppm MEHQ inhibitor.
How should n-butyl acrylate be stored?
Store the product at 4°C with the container tightly closed. Follow the current product label and Safety Data Sheet for complete storage and handling requirements.
Safety and Documentation
This laboratory reagent may pose health and safety hazards. Review the current Safety Data Sheet in full before handling, storage, or use. Follow the product label and all applicable institutional procedures for engineering controls, personal protective equipment, spill response, storage, and disposal.
Safety classifications and handling requirements may change. Always use the current product label and Safety Data Sheet for product-specific safety information.
