Description

Neopentyl Glycol Dimethacrylate is a high-purity, difunctional methacrylate monomer characterized by its neopentyl glycol backbone. This molecular structure provides excellent chemical resistance, low volatility, and superior crosslinking density in polymerized materials. It is a critical raw material for formulators and manufacturers seeking to enhance the performance and durability of advanced polymer systems across several high-tech industries.

Application

• UV-Curable Coatings & Inks: A key component in formulations requiring fast cure speeds, high hardness, and exceptional weatherability for automotive, industrial, and graphic arts applications.
• Dental & Medical Polymers: Used in the production of high-strength, biocompatible dental composites, adhesives, and bone cements due to its low shrinkage and good mechanical properties.
• Optical Lens & Fiber Optics: Serves as a crosslinking agent in the manufacture of transparent plastics with high refractive index, clarity, and thermal stability for lenses and optical fibers.
• Adhesives & Sealants: Imparts improved adhesion, flexibility, and chemical resistance to anaerobic, acrylic, and structural adhesive systems.
• Composite Materials: Acts as a reactive diluent and crosslinker in fiber-reinforced plastics (FRP) and gel coats, enhancing surface finish and resistance to water and chemicals.
• Photoresists & Electronics: Utilized in photopolymerizable resins for printed circuit boards (PCBs) and microelectronic encapsulants.

Basic Information

Product Name	Neopentyl Glycol Dimethacrylate
CAS No.	104182-97-0
Molecular Formula	C14H22O4
Molecular Weight	254.32 g/mol
Synonyms	NPGDMA; 2,2-Dimethyl-1,3-propanediol dimethacrylate; Neopentanediol dimethacrylate; 2,2-Bis(hydroxymethyl)propane-1,3-diyl bis(2-methylacrylate); Dimethacrylic acid neopentyl glycol ester; 1,3-Propanediol, 2,2-dimethyl-, dimethacrylate; SR 247
EINECS	Contact for details

Quality Control

Our Neopentyl Glycol Dimethacrylate is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing, including gas chromatography (GC) for purity and assay, to ensure it meets precise specifications for color, acidity, and inhibitor content. Certificates of Analysis (COA) are provided with each shipment, and we support compliance with relevant global regulatory frameworks such as REACH.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at temperatures between 15°C and 25°C (59°F and 77°F). Keep away from heat, sparks, open flames, and incompatible materials such as strong acids and oxidizing agents. The product contains an inhibitor to prevent premature polymerization; storage conditions must be maintained to preserve inhibitor efficacy.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0 %
Color (APHA)	≤ 50
Acidity (as Methacrylic Acid)	≤ 0.1 %
Water Content (KF)	≤ 0.1 %
Inhibitor (MEHQ)	90 - 110 ppm

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