Description

2,2-Bis(Hydroxymethyl)-1,3-Propanediyl Diacrylate is a high-purity, multi-functional acrylate monomer. This compound is valued for its ability to introduce cross-linking sites into polymer chains, significantly enhancing the thermal stability, chemical resistance, and mechanical strength of the final materials. It is an essential raw material for manufacturers in the coatings, adhesives, and advanced resin industries seeking to develop high-performance, durable products.

Application

• UV-Curable Coatings & Inks: A key cross-linking agent for formulating high-gloss, scratch-resistant, and fast-curing surface coatings and printing inks.
• Adhesives & Sealants: Used to enhance the bond strength, flexibility, and environmental resistance of acrylic-based structural and pressure-sensitive adhesives.
• Dental & Medical Polymers: Serves as a co-monomer in the production of biocompatible resins for dental composites, bone cements, and other medical devices.
• Fiber Optic Coatings: Imparts essential protective and mechanical properties to the primary and secondary coatings on optical fibers.
• Photoresists & Electronics: Employed in the synthesis of polymers for photoresist materials used in semiconductor and printed circuit board (PCB) manufacturing.
• Industrial Resins & Gel Coats: A critical component in unsaturated polyester resins and gel coats, improving their weatherability and surface hardness for composites.

Basic Information

Product Name	2,2-Bis(Hydroxymethyl)-1,3-Propanediyl Diacrylate
CAS No.	85614-76-2
Molecular Formula	C11H14O6
Molecular Weight	242.23 g/mol
Synonyms	Pentaerythritol Diacrylate Monostearate; Pentaerythritol Diacrylate; 2,2-Bis(hydroxymethyl)propane-1,3-diyl diacrylate; 1,3-Propanediol, 2,2-bis(hydroxymethyl)-, diacrylate; Diacrylate of Pentaerythritol; PETA (partial ester); Acrylic acid, diester with 2,2-bis(hydroxymethyl)-1,3-propanediol
EINECS	Contact for details

Quality Control

Our 2,2-Bis(Hydroxymethyl)-1,3-Propanediyl Diacrylate is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing, including chromatography and spectroscopy, to ensure it meets precise purity and performance specifications. A Certificate of Analysis (COA) detailing assay, identity, and impurity profiles is provided with each shipment to guarantee consistency and traceability for your production needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at 15-25°C under an inert atmosphere (e.g., nitrogen) to prevent polymerization and oxidation. Keep away from heat, sparks, and incompatible materials such as strong oxidizers and bases.

Specification

Item	Specification
Appearance	Clear, Colorless to Pale Yellow Liquid
Identification (IR)	Conforms
Assay (HPLC)	≥ 95.0%
Color (APHA)	≤ 100
Acid Value (Titration)	≤ 5.0 mg KOH/g
Water Content (KF)	≤ 0.5%
Inhibitor (MEHQ)	100 - 300 ppm

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