Description

5-Norbornene-2-Carboxylic 2-Ethyl-2-Adamantyl Ester is a high-purity, specialty monomer designed for advanced polymer synthesis. This compound is valued for its unique bicyclic structure, which imparts exceptional thermal stability and mechanical properties to the resulting polymers. It is primarily sought by R&D and production teams in the photoresist, advanced electronics, and high-performance materials industries.

Application

• Photoresist Formulations: A critical monomer for chemically amplified resists (CARs) used in semiconductor manufacturing for deep ultraviolet (DUV) and extreme ultraviolet (EUV) lithography.
• Advanced Polymer Synthesis: Serves as a key building block for creating novel polymers with high glass transition temperatures (Tg) and excellent etch resistance.
• Electronic Materials: Used in the development of dielectric layers, insulating films, and other specialty coatings for microelectronics.
• Adhesives & Sealants: Imparts toughness and thermal stability to high-performance adhesives used in demanding environments.
• Optical Materials: Potential use in the synthesis of polymers for optical waveguides and other photonic applications.
• Academic & Industrial R&D: A valuable reagent for research into new polymer architectures and material properties.

Basic Information

Product Name	5-Norbornene-2-Carboxylic 2-Ethyl-2-Adamantyl Ester
CAS No.	328087-87-2
Molecular Formula	C₂₀H₃₀O₂
Molecular Weight	302.45 g/mol
Synonyms	2-Ethyl-2-adamantyl 5-norbornene-2-carboxylate; 2-Ethyl-2-adamantyl bicyclo[2.2.1]hept-5-ene-2-carboxylate; 2-Ethyl-2-adamantyl 2-norbornene-5-carboxylate; Adamantane-based norbornene monomer; NB-2-EA; EAdNB; Lithography monomer NB-2-EA
EINECS	Contact for details

Quality Control

Every batch of 5-Norbornene-2-Carboxylic 2-Ethyl-2-Adamantyl Ester is manufactured and tested under strict quality management systems. We provide comprehensive analytical data to ensure the material meets the stringent purity requirements for semiconductor-grade applications. A detailed Certificate of Analysis (COA) with lot-specific results from HPLC, GC, and NMR is supplied with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at 15-25°C under an inert atmosphere (e.g., nitrogen or argon) to prevent oxidation. Keep away from heat and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 99.0%
Melting Point	Contact for details
Water Content (KF)	≤ 0.1%
Residue on Ignition	≤ 0.1%

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