Description

3A,4,7,7A-Tetrahydro-4,7-Methano-1H-Indenyl Methacrylate is a specialized methacrylate monomer featuring a rigid, bicyclic norbornene-derived structure. This unique molecular architecture is engineered to impart high-performance characteristics to polymers, including enhanced thermal stability, rigidity, and chemical resistance. It is a critical raw material for advanced polymer synthesis, serving industries that require high-performance coatings, specialty adhesives, and engineered thermosetting resins.

Application

• High-Performance Coatings: Used as a co-monomer to formulate UV-curable, powder, and radiation-curable coatings with superior hardness, scratch resistance, and weatherability for automotive, industrial, and optical applications.
• Specialty Adhesives & Sealants: Imparts excellent adhesion to low-surface-energy substrates and improves cohesive strength in structural adhesives, pressure-sensitive adhesives (PSAs), and anaerobic sealants.
• Engineered Thermoset Resins: Serves as a reactive diluent and cross-linking agent in unsaturated polyester resins (UPR) and vinyl ester resins, enhancing heat distortion temperature and mechanical properties in composites.
• Photopolymer & 3D Printing Resins: A key component in stereolithography (SLA) and digital light processing (DLP) resins, contributing to rapid curing speeds and high-resolution, durable printed parts.
• Optical Polymers: Employed in the synthesis of polymers for optical lenses, waveguides, and LED encapsulants due to its ability to form clear, high-refractive-index materials.
• Modifier for Rubber & Elastomers: Used to graft-modify polymers, improving oil resistance, lowering compression set, and enhancing the compatibility of polymer blends.

Basic Information

Product Name	3A,4,7,7A-Tetrahydro-4,7-Methano-1H-Indenyl Methacrylate
CAS No.	51178-59-7
Molecular Formula	C₁₄H₁₈O₂
Molecular Weight	218.29 g/mol
Synonyms	Norbornene Methacrylate; 5-Norbornene-2-methanol, methacrylate; 2-(Bicyclo[2.2.1]hept-5-en-2-yl)methyl methacrylate; Methacrylic Acid Norbornenylmethyl Ester; Norbornenyl Methyl Methacrylate; NBMMA; 4,7-Methano-1H-inden-5(6H)-yl methacrylate, 3a,4,7,7a-tetrahydro-
EINECS	257-111-9

Quality Control

Our 3A,4,7,7A-Tetrahydro-4,7-Methano-1H-Indenyl Methacrylate is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing, including assay by GC/HPLC, purity verification, and inhibitor content analysis, to ensure consistent performance and reliability for your polymerization processes. A comprehensive Certificate of Analysis (COA) detailing all specifications is 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 2°C and 8°C (refrigerated) or as specified on the label to maximize shelf life and prevent premature polymerization. This product is easily oxidized; for long-term storage, consider maintaining under an inert atmosphere (nitrogen or argon). Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Color (APHA)	≤ 50
Water Content (KF)	≤ 0.1%
Inhibitor (MEHQ)	100 - 200 ppm
Acidity (as Methacrylic Acid)	≤ 0.5%

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