Description

2-Methylpropylidene Bismethacrylate is a specialized, high-purity difunctional methacrylate monomer. This compound matters for its role as a critical cross-linking agent and building block in advanced polymer synthesis, offering enhanced material properties. Industries such as specialty adhesives, advanced coatings, dental composites, and photopolymer resins require this monomer for developing products with superior hardness, chemical resistance, and durability.

Application

• Cross-linking Agent for Acrylic Polymers: Imparts improved hardness, scratch resistance, and thermal stability to coatings, inks, and adhesives.
• Dental Restorative Materials: A key monomer in dental composite resins and bonding agents, contributing to rapid cure and high mechanical strength.
• Photopolymer Resins: Used in UV-curable systems for 3D printing (stereolithography), optical fibers, and protective films.
• Fiber Optic Coatings: Enhances the performance and durability of primary and secondary coatings on glass fibers.
• Industrial Adhesives & Sealants: Improves the cohesive strength and environmental resistance of structural and anaerobic adhesives.
• Modifier for Specialty Elastomers: Used to tailor the properties of synthetic rubbers and impact modifiers.

Basic Information

Product Name	2-Methylpropylidene Bismethacrylate
CAS No.	94231-38-6
Molecular Formula	C12H18O4
Molecular Weight	226.27 g/mol
Synonyms	Neopentyl Glycol Dimethacrylate (NPGDMA); 2,2-Dimethyl-1,3-propanediol dimethacrylate; Neopentylglycol Dimethacrylate; NPG-DMA; 1,3-Propanediol, 2,2-dimethyl-, dimethacrylate; Bis-Methacryloyloxymethyl-2,2-dimethylpropane; Dimethacrylic Acid Neopentyl Glycol Ester
EINECS	Contact for details

Quality Control

Our 2-Methylpropylidene Bismethacrylate is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including assay, purity, and impurity profile analysis, to ensure it meets exacting specifications for advanced applications. Certificates of Analysis (COA) with detailed chromatographic data are provided to guarantee traceability and batch-to-batch consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a recommended temperature of 15-25°C (59-77°F). Keep away from heat, sparks, and open flame. Due to its reactivity, store separately from strong acids and oxidizing agents.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 98.0%
Acid Value	≤ 1.0 mg KOH/g
Water Content (KF)	≤ 0.1%
Color (APHA)	≤ 50
Inhibitor (MEHQ)	50 - 100 ppm

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