1,4-Butanediol dimethacrylate CAS#2082-81-7
Multifunctional Crosslinking Capability: 1,4-Butanediol dimethacrylate acts as an effective crosslinking monomer, improving network formation in polymers.
Enhances Mechanical Strength: It significantly increases the mechanical performance and durability of materials.
Improved Thermal and Chemical Stability: The product enhances resistance to heat and chemicals, ensuring long-term performance.
Wide Application Range: It is widely used in dental composites, sealants, inks, and various polymer industry applications.
Products Description of 1,4-Butanediol dimethacrylate CAS#2082-81-7
1,4-Butanediol dimethacrylate (CAS# 2082-81-7) is a clear, colorless to slightly yellow liquid multifunctional crosslinking monomer, commonly used in dental composites, sealants, inks, and polymer industries. It enhances material mechanical strength, thermal stability, and chemical resistance. It is often stabilized with 200-300 ppm MEHQ.
1,4-Butanediol dimethacrylate Chemical Properties
| Melting point | −117 °C(lit.) |
| Boiling point | 132-134 °C/4 mmHg (lit.) |
| Density | 1.023 g/mL at 25 °C (lit.) |
| Vapor density | 2.09 (vs air) |
| Vapor pressure | 430 mm Hg ( 25 °C) |
| Refractive index | n20/D 1.456(lit.) |
| Fp | 38 °F |
| Storage temp | 2-8°C |
| Solubility | Chloroform (Sparingly), Methanol (Slightly) |
| Form | Liquid |
| Pka | 9.8(at 25℃) |
| Color | Clear colorless to slightly yellow |
| Water Solubility | 243mg/L at 20℃ |
| Merck | 149710 |
| BRN | 956566 |
| LogP | 3.1 at 20℃ |
| CAS DataBase Reference | 2082-81-7(CAS DataBase Reference) |
| NIST Chemistry Reference | 1,4-Butylene glycol dimethacrylate(2082-81-7) |
| EPA Substance Registry System | 1,4-Butanediol dimethacrylate (2082-81-7) |
Safety Information
| Hazard Codes | Xi |
| Risk Statements | 36/37/38-43 |
| Safety Statements | 3-16-26-29-39-36/37/39 |
| RIDADR | UN 2924 3/PG 2 |
| WGK Germany | 2 |
| RTECS | PA0350000 |
| F | 9-34 |
| HazardClass | 3 |
| PackingGroup | I |
| HS Code | 29161400 |
| Hazardous Substances Data | 2082-81-7(Hazardous Substances Data) |
Product Application of 1,4-Butanediol dimethacrylate CAS#2082-81-7
Crosslinking Agent: Improves physical properties in polymers and copolymers.
Dental Materials: Used in dental composite materials and sealants.
Coatings & Inks: Used in UV-curable coatings, inks, and adhesives.
Industrial Foams: Used to produce methacrylate-based polymer foams.




