| Product Name:Triethylene glycol dimethacrylate
CAS:109-16-0
MF: C14H22O6
MW:286.32
Melting point: -52°C
Boiling point : 170-172 °C5 mm Hg(lit.)
Density: 1.092 g/mL at 25 °C(lit.)
Refractive index: n20/D 1.461(lit.)
Fp :>230 °F
Storage temp.: 2-8°C
Specific Gravity :1.092
Application:Triethylene glycol dimethacrylate (TEGDMA) is a resin monomer widely used in the composition of dentin bonding agents and composite resins to restore teeth structures impaired by caries and/or fractures. However, resin monomers can be released into the oral environment and can trigger hazardous biological effects on oral tissues. The release of the resin monomers due to degradation and incomplete polymerization can occur hours or days after the treatment. Due to its hydrophilic nature, hydrolysis plays an important role in the degradation processe of TEGDMA. Chemical interactions with oral fluids and mechanical influences may also cause the degradation of resin monomers. Direct contact or diffusion of resin monomers through the dentinal tubules creates ways of interaction between dental pulp tissue and resin monomers. Dentin thickness and the severity of caries lesions are important factors in determining the amount of resin monomers interacting with dental pulp tissue. TEGDMA has been reported to cause cytotoxicity, impaired cellular functions, pulpal inflammatory responses, and changes in the immune system. In addition, TEGDMA may reduce the mineralization capacity of dental pulp cells by decreasing the expression of the mineralization related genes pathways and causing adverse effects.
Uses:Esters of acrylic acid and methacrylic acid, more commonly known as acrylates and methacrylates are key raw materials in the coatings and printing industry, and in food packaging. Triethyleneglycol dimethacrylate is a methacrylic monomer for use as cross-linking agent for adhesives and dental restorative materials. TEGDMA is a monomer typically used in dental resin materials that can cause specific stress responses in eukaryotic cells. |
