1,4-Butanediol dimethacrylate
1,4-Butanediol dimethacrylate (CAS: 2082-81-7) is a difunctional methacrylate ester with a molecular weight of 226.27 g/mol. This versatile monomer is characterised by its two polymerisable methacrylate groups linked by a flexible butanediol chain. It is widely utilised as a crosslinking agent and reactive diluent in polymer synthesis, particularly in applications requiring enhanced mechanical properties and chemical resistance.
- Synonyms
- [H2C=C(CH3)CO2CH2CH2-]2
![1,4-Butanediol dimethacrylate ([H2C=C(CH3)CO2CH2CH2-]2) — chemical structure, CAS 2082-81-7; Chemistry, fine chemical supplied by Tech Serve Solutions](/_next/image?url=https%3A%2F%2Fpub-f4d920c906024441a773a96f7098e551.r2.dev%2Fimages%2Fproducts%2F2082-81-7.png&w=3840&q=75)
Polymer Crosslinking
1,4-Butanediol dimethacrylate serves as an effective crosslinking agent in free radical polymerisation. It increases the rigidity, thermal stability, and solvent resistance of polymer networks, finding use in coatings, adhesives, and resins.
Reactive Diluent
As a reactive diluent, it reduces the viscosity of highly viscous resin formulations, improving handling and application properties. Its methacrylate groups copolymerise into the polymer matrix, preventing migration and ensuring permanent incorporation.
Materials Science
This dimethacrylate is employed in the development of advanced materials, including hydrogels, dental composites, and specialised elastomers, where its ability to form robust, crosslinked structures is highly valued.
Chemical Synthesis
It functions as a building block in organic synthesis, enabling the creation of complex polymer architectures and functional materials through controlled polymerisation reactions.
| Molecular weight | 226.27 |
|---|---|
| Linear formula | [H2C=C(CH3)CO2CH2CH2-]2 |
| Assay | 95% |
| Boiling point | 132-134 °C/4 mmHg(lit.) |
| Density | 1.023 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.456(lit.) |
| Storage temperature | 2-8°C |
| Contains / stabiliser | 200-300 ppm MEHQ as inhibitor |
Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- 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 | 113 °C / 235.4 °F |
| Water hazard class (WGK, DE) | 1 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38-43 |
| Safety statements (S) | 26-36/37/39 |
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 1,4-Butanediol dimethacrylate used for?
+
1,4-Butanediol dimethacrylate (CAS: 2082-81-7) is primarily used as a crosslinking agent and reactive diluent in polymer synthesis for applications such as coatings, adhesives, resins, hydrogels, and dental composites.
What are the CAS number and formula for 1,4-Butanediol dimethacrylate?
+
The CAS number is 2082-81-7. The linear formula is [H₂C=C(CH₃)CO₂CH₂CH₂-]₂.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies 1,4-Butanediol dimethacrylate with an assay of 95%. This product is not represented as USP, BP, EP, or other pharmacopoeia grades.
How should 1,4-Butanediol dimethacrylate be handled safely?
+
Handle with appropriate personal protective equipment, including eyeshields, gloves, and a suitable respirator, as it is classified with hazard statements H315 (causes skin irritation), H319 (causes serious eye irritation), and H335 (may cause respiratory irritation).
How is 1,4-Butanediol dimethacrylate packed and shipped?
+
1,4-Butanediol dimethacrylate is stored at 2-8°C. As a global supplier and exporter, Tech Serve Solutions adheres to all relevant regulations for packing and shipping chemical products.
How can I request a sample or quote for 1,4-Butanediol dimethacrylate?
+
Please contact our sales team via the website to request a sample or obtain a quotation for 1,4-Butanediol dimethacrylate.
▶ Related products
1-(2-Fluorobenzyl)piperazine
C11H15FN2
Chemical Synthesis
1-(2-Fluorophenyl)biguanide hydrochloride
Chemical Synthesis
1-(2-Fluorophenyl)cyclopropanecarboxylic acid
C10H9FO2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine
C10H13FN2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine monohydrochloride
C10H13FN2 · HCl
Chemical Synthesis
1-(2-Furoyl)-1H-benzotriazole
C11H7N3O2
Chemical Synthesis
1-(2-Furoyl)piperazine
C9H12N2O2
Chemical Synthesis
1-(2-Hydroxy-5-methylphenyl)-3-phenyl-1,3-propanedione
Chemical Synthesis
▶ Explore more
3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis
3-Methyl-1,5-pentanediol
Chemical Synthesis
3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis