Description

1-(tert-Butyl)Cyclopentyl Methacrylate is a specialized methacrylate monomer featuring a sterically hindered tertiary butyl group on the cyclopentyl ring. This unique molecular structure is engineered to impart enhanced thermal stability, chemical resistance, and specific rheological properties to advanced polymer systems. It is a critical building block for R&D chemists and material scientists developing high-performance coatings, optical materials, and specialty adhesives where tailored polymer properties are essential.

Application

• High-Performance Polymer Synthesis: A key monomer for creating polymers with improved glass transition temperatures (Tg) and thermal stability for automotive and aerospace coatings.
• Optical Resins and Lenses: Used in the formulation of transparent, high-refractive-index polymers for optical devices, lenses, and LED encapsulants.
• Specialty Adhesives and Sealants: Imparts enhanced weatherability and chemical resistance to acrylic-based adhesive formulations.
• Photoresist and Lithography Materials: Serves as a component in advanced photoresists for semiconductor manufacturing due to its tailored reactivity and etch resistance.
• Modifier for Acrylic Copolymers: Incorporated as a co-monomer to modify the hardness, flexibility, and solubility parameters of acrylic resins.
• Dental and Biomedical Materials: Investigated for use in biocompatible polymer matrices for dental composites and controlled-release systems.

Basic Information

Product Name	1-(tert-Butyl)Cyclopentyl Methacrylate
CAS No.	1179475-19-4
Molecular Formula	C13H22O2
Molecular Weight	210.31 g/mol
Synonyms	1-(1,1-Dimethylethyl)cyclopentyl methacrylate; 1-tert-Butylcyclopentyl methacrylate; Methacrylic acid 1-(1,1-dimethylethyl)cyclopentyl ester; 1-(tert-Butyl)cyclopentyl 2-methylacrylate; t-Butylcyclopentyl methacrylate
EINECS	Contact for details

Quality Control

Every batch of 1-(tert-Butyl)Cyclopentyl Methacrylate is manufactured and tested under strict quality management protocols. Our products undergo rigorous analytical testing, including chromatography and spectroscopy, to ensure high purity and consistent performance for your critical R&D and production needs. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to guarantee traceability and compliance with your specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C) under an inert atmosphere (e.g., nitrogen or argon) to prevent oxidation. Keep away from strong acids, oxidizing agents, and heat sources.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Inhibitor (MEHQ)	50-200 ppm

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