Description

4-Vinylbenzoic Acid is a versatile aromatic carboxylic acid derivative featuring a reactive vinyl group, making it a valuable bifunctional monomer and synthetic intermediate. Its dual functionality allows for polymerization via the vinyl group and further chemical modification through the carboxylic acid, enabling the creation of tailored polymers and specialty chemicals. This compound is essential for researchers and manufacturers in the pharmaceutical, advanced materials, and polymer science sectors seeking to develop novel functionalized polymers, coatings, or active pharmaceutical ingredients (APIs).

Application

• Polymer & Resin Synthesis: Serves as a key monomer for producing functionalized polystyrene derivatives, specialty polyesters, and cross-linked polymer networks.
• Pharmaceutical Intermediates: Used in the synthesis of complex molecules and active pharmaceutical ingredients (APIs) where a benzoic acid scaffold is required.
• Advanced Material Fabrication: Incorporated into the design of liquid crystal polymers (LCPs), photoresists, and other high-performance materials.
• Surface Modification & Coatings: Utilized to introduce carboxylic acid functionality onto surfaces or polymer backbones for improved adhesion, wettability, or biocompatibility.
• Organic Synthesis & Chemical Research: Acts as a versatile building block in Diels-Alder reactions, copolymerizations, and the creation of novel organic compounds.
• Cross-linking Agent: Employed to create cross-linked structures in hydrogels, adhesives, and thermoset resins, enhancing mechanical and thermal properties.

Basic Information

Product Name	4-Vinylbenzoic Acid
CAS No.	1075-49-6
Molecular Formula	C9H8O2
Molecular Weight	148.16 g/mol
Synonyms	p-Vinylbenzoic Acid; 4-Ethenylbenzoic Acid; Benzoic acid, 4-ethenyl-; (4-Vinylphenyl)formic acid; 4-Carboxystyrene; p-Carboxystyrene; 4-Ethenylbenzoic acid; 4-VBA
EINECS	214-052-0

Quality Control

Our 4-Vinylbenzoic Acid is manufactured under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation by FT-IR and NMR spectroscopy, to ensure it meets exacting standards for research and industrial use. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and compliance with your specifications.

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). The product is light-sensitive and should be handled under an inert atmosphere for prolonged procedures to minimize potential oxidation of the vinyl group.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	142 - 147 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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