Description

2-Propenoic Acid, 3-Phenyl-, 2,2-Dimethylpropyl Ester, (E)- is a specialized acrylate ester monomer featuring a phenyl group and a bulky neopentyl-like ester moiety. This compound matters for its unique combination of properties, including enhanced hydrophobicity, steric hindrance, and the potential for UV-curable polymer formulations. Industrial R&D chemists and formulators in the polymer and advanced materials sectors need it to develop high-performance coatings, adhesives, and specialty resins with tailored characteristics such as improved chemical resistance and thermal stability.

Application

• UV-Curable Coatings & Inks: As a reactive diluent or cross-linking agent in formulations requiring fast cure times and durable film properties.
• Specialty Adhesives & Sealants: Imparts enhanced adhesion to low-energy surfaces and improves flexibility in polymer matrices.
• Advanced Polymer Synthesis: Serves as a key monomer for creating copolymers with specific glass transition temperatures (Tg) and mechanical strength.
• Optical Materials & Resins: Used in the development of clear, high-refractive-index polymers for lenses and optical components.
• Surface Modifiers & Additives: Functionalizes surfaces or acts as an intermediate for graft polymerization to alter surface characteristics.
• Electronics Encapsulation: Potential use in protective resins for electronic components due to its likely low moisture absorption and good dielectric properties.

Basic Information

Product Name	2-Propenoic Acid, 3-Phenyl-, 2,2-Dimethylpropyl Ester, (E)-
CAS No.	138964-29-1
Molecular Formula	C16H20O2
Molecular Weight	244.33 g/mol
Synonyms	(E)-3-Phenyl-2-propenoic acid 2,2-dimethylpropyl ester; (E)-Cinnamic acid neopentyl ester; trans-3-Phenylacrylic acid neopentyl ester; Neopentyl (E)-cinnamate; 2,2-Dimethylpropyl (E)-3-phenylacrylate; (E)-Neopentyl cinnamate; trans-Neopentyl cinnamate
EINECS	Contact for details

Quality Control

Our 2-Propenoic Acid, 3-Phenyl-, 2,2-Dimethylpropyl Ester, (E)- is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including assay by GC/HPLC, isomer purity confirmation, and impurity profiling, to ensure it meets precise customer specifications. Certificates of Analysis (COA) documenting all critical parameters are provided and available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from heat sources, open flames, and incompatible materials such as strong oxidizing agents and bases. For long-term storage, consider under an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 97.0%
Isomeric Purity ((E)-isomer)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20D)	1.520 - 1.530
Density (g/mL, 20°C)	0.98 - 1.02

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