Description

Trimethylolpropane Trimethylacrylate is a trifunctional acrylate ester monomer, a key building block for creating highly cross-linked polymer networks. Its three reactive acrylate groups enable the formation of durable, three-dimensional structures with excellent chemical and thermal resistance. This compound is essential for manufacturers in the coatings, adhesives, and advanced materials sectors seeking to enhance product performance and durability.

Application

• UV-Curable Coatings & Inks: A critical component in formulations for wood, plastic, and metal coatings, providing fast curing, high gloss, and superior surface hardness.
• High-Performance Adhesives & Sealants: Used to create tough, cross-linked networks in structural adhesives, pressure-sensitive tapes, and anaerobic sealants.
• Dental & Biomedical Composites: Serves as a cross-linking agent in restorative dental materials and bone cements, contributing to strength and biocompatibility.
• Photoresists & Electronic Materials: Employed in the production of photopolymerizable resins for printed circuit boards (PCBs) and microelectronics.
• Fiber Optic Coatings: Provides protective, cross-linked cladding layers that offer excellent environmental and mechanical protection.
• 3D Printing Resins (SLA/DLP): A key monomer in formulations for stereolithography and digital light processing, enabling the printing of high-resolution, durable parts.

Basic Information

Product Name	Trimethylolpropane Trimethylacrylate
CAS No.	102068-89-3
Molecular Formula	C18H26O6
Molecular Weight	338.40 g/mol
Synonyms	TMPTMA; Trimethylolpropane Triacrylate; 2-Ethyl-2-(((1-oxo-2-propen-1-yl)oxy)methyl)-1,3-propanediyl Diacrylate; 2-Ethyl-2-(hydroxymethyl)-1,3-propanediol Trimethacrylate; TMPTA; Trimethylolpropane Trimethacrylate; TMPT; Tris(2-methacryloyloxyethyl) Isocyanurate (Note: This is a different but structurally similar compound sometimes confused)
EINECS	Contact for details

Quality Control

Our Trimethylolpropane Trimethylacrylate is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure consistency, purity, and performance. A comprehensive Certificate of Analysis (COA) detailing assay, identity, and impurity profiles is provided with each shipment to guarantee compliance with your technical requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C / 59-77°F). Keep away from heat, sparks, and open flame. To maintain optimal quality and inhibit premature polymerization, store under an inert atmosphere and use appropriate inhibitors as specified in the technical data sheet.

Specification

Item	Specification
Appearance	Clear, Colorless to Pale Yellow Liquid
Identification (IR)	Conforms
Assay (GC)	≥ 97.0%
Color (APHA)	≤ 50
Acidity (as Methacrylic Acid)	≤ 0.5%
Water Content (KF)	≤ 0.1%
Inhibitor (MEHQ) Content	100 - 200 ppm

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