Description

Trimethylolpropane Benzoate Diacrylate is a specialized multifunctional acrylate monomer designed for high-performance polymer formulations. This compound is valued for its ability to impart excellent crosslinking density, hardness, and chemical resistance to cured materials. It is essential for manufacturers in the UV/EB-curable coatings, inks, adhesives, and advanced composite resins sectors seeking to enhance product durability and performance.

Application

• UV-Curable Coatings & Inks: A key reactive diluent and crosslinker for wood, plastic, and metal coatings, providing fast cure speeds and high gloss.
• Photopolymer Resins: Used in stereolithography (SLA) and other 3D printing resins to improve resolution and mechanical strength of printed parts.
• Adhesives & Sealants: Enhances adhesion, thermal stability, and resistance to solvents in industrial and electronic adhesives.
• Fiber Optic Coatings: Contributes to the protective primary and secondary coatings due to its excellent optical clarity and durability.
• Electronics Encapsulation: Used in potting compounds and conformal coatings to protect sensitive components from moisture and chemicals.
• Dental & Medical Composites: Serves as a matrix component in light-curable restorative materials, offering good biocompatibility and wear resistance.

Basic Information

Product Name	Trimethylolpropane Benzoate Diacrylate
CAS No.	79720-88-0
Molecular Formula	C23H28O7
Molecular Weight	416.47 g/mol
Synonyms	TMP Benzoate Diacrylate; 2-Propenoic acid, 1,1'-[2-ethyl-2-[[(1-oxo-2-propen-1-yl)oxy]methyl]-1,3-propanediyl] benzoate; Benzoic acid, 2-ethyl-2-[(acryloyloxy)methyl]-1,3-propanediyl ester; TMPBDA; Trimethylolpropane benzoate acrylate; Acrylic ester of trimethylolpropane benzoate; Ethoxylated Trimethylolpropane Benzoate Diacrylate (related variants)
EINECS	Contact for details

Quality Control

Our Trimethylolpropane Benzoate Diacrylate is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including assay, impurity profiling, and physical property verification, to ensure it meets precise customer specifications and industry benchmarks. Certificates of Analysis (COA) documenting purity, color, viscosity, and inhibitor content are provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at temperatures between 15-25°C (59-77°F). This product is light-sensitive (store away from light) and easily oxidized (store under inert atmosphere). Keep away from heat, sparks, and open flame. For long-term storage, maintaining an inert gas (nitrogen) blanket is recommended to preserve monomer activity.

Specification

Item	Specification
Appearance	Clear, Colorless to Pale Yellow Liquid
Identification (IR)	Conforms
Assay (HPLC)	≥ 97.0%
Color (APHA)	≤ 100
Viscosity @ 25°C	Contact for details
Acid Value	≤ 1.0 mg KOH/g
Water Content (KF)	≤ 0.1%
Inhibitor (MEHQ)	100 - 300 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.