1,4-Butanediol dimethacrylate (1,4-BDDMA) is a difunctional methacrylate monomer used as a crosslinker in free-radical polymerization. Its two methacrylate groups can participate in polymerization to form covalent network junctions. This grade has a chemical purity of ≥92% and contains approximately 200 ppm MEHQ inhibitor.
Synonyms: Tetramethylene glycol dimethacrylate; tetramethylene dimethacrylate; 1,4-butylene glycol dimethacrylate.
Key Properties
- Catalog number: 05973
- CAS Number: 2082-81-7
- Chemical class: Difunctional dimethacrylate monomer
- Chemical purity: ≥92%
- Molecular formula: C12H18O4
- Molecular weight: 226.3 g/mol
- Linear formula: [H2C=C(CH3)CO2CH2CH2-]2
- Inhibitor: ~200 ppm MEHQ
- Refractive index: 1.456
- Boiling point: 132°C at 4 mm
- Acidity as methacrylic acid: 0.00-0.05%
- Color: APHA 0-100
- Storage: 4°C
Applications
Crosslinked Polymer Networks
1,4-BDDMA is used as a difunctional crosslinking monomer in free-radical polymerization. Incorporation of both methacrylate groups into a growing polymer network introduces covalent junctions between polymer chains.
Microgel & Particle Synthesis
1,4-BDDMA has been studied as a crosslinker in polymer microgel and latex systems. Crosslinker concentration and structure can influence network architecture, particle dimensions, and swelling behavior.
Polymer Monoliths
1,4-BDDMA has been used as a crosslinking monomer in the preparation of highly crosslinked polymeric monoliths, including capillary monolith research for chromatographic separations.
Polymerization & Formulation Considerations
- Two methacrylate groups allow 1,4-BDDMA to form covalent junctions during radical polymerization
- Final network properties depend on crosslinker concentration, conversion, comonomer composition, solvent or water content, and cure conditions
- Approximately 200 ppm MEHQ inhibitor is present and should be considered when comparing polymerization conditions or reaction kinetics
- Oxygen exposure can affect free-radical polymerization at exposed interfaces and should be controlled when relevant to the experimental method
Application Tips
- Keep the 1,4-BDDMA concentration consistent when comparing network formulations
- Record initiator system, temperature or irradiation conditions, inhibitor level, and oxygen exposure when comparing polymerization results
- Measure monomer conversion when relating formulation variables to cured-network properties
- Evaluate cured-material properties experimentally rather than inferring them from monomer structure alone
Handling & Storage
- Store at 4°C
- Keep the container tightly closed when not in use
- Handle with good laboratory ventilation or in a chemical fume hood
- Wear protective gloves and appropriate eye protection
- Avoid skin contact; 1,4-butanediol dimethacrylate is identified as a skin sensitizer
Why Choose Polysciences?
Trusted by 6,000+ Researchers Worldwide
Cited in Thousands of Peer-Reviewed Studies
U.S. Manufacturing & Global Distribution
Reliable Delivery to 40+ Countries
FAQ
Click a question to expand.
1. What is 1,4-butanediol dimethacrylate used for?
1,4-Butanediol dimethacrylate is used as a difunctional crosslinking monomer in free-radical polymerization and the preparation of crosslinked polymer networks.
2. Is 1,4-butanediol dimethacrylate the same as 1,4-butanediol diacrylate?
No. They are different monomers. 1,4-Butanediol dimethacrylate contains two methacrylate groups, whereas 1,4-butanediol diacrylate contains two acrylate groups.
3. What is the CAS number for 1,4-butanediol dimethacrylate?
The CAS number is 2082-81-7.
4. What does difunctional mean for 1,4-BDDMA?
Difunctional refers to the two polymerizable methacrylate groups in the molecule. Both groups can participate in polymerization, allowing 1,4-BDDMA to introduce covalent junctions into a polymer network.
5. What is the purity of this 1,4-BDDMA grade?
The chemical purity is ≥92%. The specification range is 92-100%.
6. Does 1,4-BDDMA contain an inhibitor?
Yes. This grade contains approximately 200 ppm MEHQ inhibitor.
7. What is the molecular weight of 1,4-butanediol dimethacrylate?
The molecular weight is approximately 226.3 g/mol.
8. How should 1,4-butanediol dimethacrylate be stored?
Store at 4°C with the container tightly closed.
9. Can I request a larger quantity of 1,4-butanediol dimethacrylate?
Yes. For larger quantities, use the bulk-quote option.
Safety & Documentation
Use appropriate laboratory ventilation and personal protective equipment when handling 1,4-butanediol dimethacrylate. Avoid direct skin contact because the material is identified as a skin sensitizer. Refer to the Safety Data Sheet (SDS) for complete handling, exposure, and disposal information.
