Description

2-[(3A,4,5,6,7,7A-Hexahydro-4,7-Methano-1H-Indenyl)Oxy]Ethyl Methacrylate is a specialized methacrylate monomer featuring a bulky, bicyclic norbornene-derived side chain. This unique structure is engineered to impart enhanced thermal stability, chemical resistance, and low shrinkage properties to the resulting polymers. It is a critical raw material for advanced polymer synthesis, particularly in high-performance coatings, adhesives, and composite materials. Industrial R&D chemists and formulators in the specialty chemical sector utilize this monomer to develop next-generation materials with superior mechanical and optical characteristics.

Application

• High-Performance Coatings: Used as a co-monomer in UV-curable and thermal-cure coating systems to improve hardness, adhesion, and weatherability for automotive, aerospace, and industrial finishes.
• Advanced Adhesives & Sealants: Imparts low shrinkage and high bond strength in structural adhesives, anaerobic sealants, and pressure-sensitive adhesive formulations.
• Dental & Biomedical Composites: Serves as a key component in dental restorative resins and bone cements due to its ability to reduce polymerization stress and enhance biocompatibility.
• Optical Polymers: Incorporated into formulations for optical lenses, waveguides, and LED encapsulants to achieve high refractive index and clarity with minimal yellowing.
• Composite Matrices: Acts as a reactive diluent and crosslinker in fiber-reinforced polymer (FRP) composites, improving processability and final mechanical properties.
• Specialty Elastomers: Modifies the properties of acrylic rubbers and other elastomers to enhance oil and solvent resistance.

Basic Information

Product Name	2-[(3A,4,5,6,7,7A-Hexahydro-4,7-Methano-1H-Indenyl)Oxy]Ethyl Methacrylate
CAS No.	70191-60-5
Molecular Formula	C16H22O3
Molecular Weight	262.35 g/mol
Synonyms	2-[(4,7-Methano-1H-inden-5(6)-yl)oxy]ethyl methacrylate; 2-(Bicyclo[2.2.1]hept-5-en-2-ylmethoxy)ethyl methacrylate; 2-((3a,4,5,6,7,7a-Hexahydro-4,7-methano-1H-inden-5-yl)oxy)ethyl 2-methylprop-2-enoate; Ethylene glycol methacrylate norbornene ether; Norbornyloxyethyl methacrylate; NBEMA (common abbreviation); 5-Norbornene-2-methanol, ethoxylated methacrylate; 70191-60-5
EINECS	Contact for details

Quality Control

Our production of 2-[(3A,4,5,6,7,7A-Hexahydro-4,7-Methano-1H-Indenyl)Oxy]Ethyl Methacrylate adheres to a stringent quality management system. Every batch undergoes rigorous analytical testing, including GC, HPLC, and NMR, to ensure high purity and consistent performance. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, identity, and impurity profiles. Our quality commitment supports compliance with relevant global chemical regulations, including REACH.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at temperatures between 15-25°C (59-77°F). This product is easily oxidized (store under inert atmosphere) and is compatible with strong acid/organic solvent. Keep away from heat, sparks, open flames, and incompatible materials such as strong oxidizing agents and initiators. For long-term storage, consider packaging under an inert gas such as nitrogen or argon.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Color (APHA)	≤ 100
Water Content (KF)	≤ 0.1%
Acid Value (Titration)	≤ 0.5 mg KOH/g
Inhibitor (MEHQ)	50 - 150 ppm

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