Description

Benzoic Acid, 4-Ethenyl-, 1,1-Dimethylethyl Ester is a specialized aromatic ester monomer, also known by its CAS number 84740-98-7. This compound serves as a critical building block in advanced polymer synthesis, offering unique properties for material modification and functionalization. It is primarily utilized by R&D chemists and production engineers in the polymer, specialty chemical, and advanced materials industries seeking to develop novel copolymers with tailored characteristics.

Application

• Polymer Synthesis: Key monomer for the production of specialty styrenic copolymers and functional polymers.
• Advanced Material Modifier: Used to introduce pendant benzoate groups into polymer backbones to alter thermal and mechanical properties.
• Photoresist & Electronic Chemicals: Potential component in the formulation of advanced photoresists and dielectric materials for the semiconductor industry.
• Adhesive & Coating Resins: Incorporated into resin formulations to enhance adhesion, durability, and chemical resistance.
• Pharmaceutical Intermediates: Serves as a synthetic intermediate in the research and development of active pharmaceutical ingredients (APIs).
• Organic Synthesis: Versatile reagent for constructing complex organic molecules in academic and industrial research settings.

Basic Information

Product Name	Benzoic Acid, 4-Ethenyl-, 1,1-Dimethylethyl Ester
CAS No.	84740-98-7
Molecular Formula	C15H20O2
Molecular Weight	232.32 g/mol
Synonyms	4-Vinylbenzoic Acid tert-Butyl Ester; tert-Butyl 4-Vinylbenzoate; p-Vinylbenzoic Acid tert-Butyl Ester; 1,1-Dimethylethyl 4-Ethenylbenzoate; 4-Ethenylbenzoic Acid 1,1-Dimethylethyl Ester; Benzoic Acid, p-Ethenyl-, 1,1-Dimethylethyl Ester; TBVBE; 4-Vinyl Benzoyl tert-Butyl Ester
EINECS	Contact for details

Quality Control

Our production of Benzoic Acid, 4-Ethenyl-, 1,1-Dimethylethyl Ester adheres to stringent internal quality standards to ensure batch-to-batch consistency and reliability for sensitive polymerization processes. Quality is verified through comprehensive analytical techniques including HPLC, GC, and NMR spectroscopy. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flame. For long-term storage, consider under an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Related Substances (HPLC)	Total impurities ≤ 2.0%

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