Description

4-Methoxystyrene is a versatile vinyl aromatic monomer featuring a methoxy substituent on the phenyl ring, offering unique reactivity and polymer properties. This compound is valued for its role as a key building block in the synthesis of specialty polymers and advanced organic materials. It is essential for R&D chemists and manufacturers in the polymer, pharmaceutical, and fine chemical industries seeking to modify material characteristics such as glass transition temperature, solubility, and refractive index.

Application

• Polymer & Resin Modification: Serves as a co-monomer for producing styrenic copolymers with tailored thermal and mechanical properties.
• Photoresist & Electronic Materials: Used in the formulation of advanced photoresists and dielectric materials for the semiconductor industry.
• Pharmaceutical Intermediates: Acts as a precursor in the synthesis of various active pharmaceutical ingredients (APIs) and complex organic molecules.
• Adhesive & Coating Formulations: Incorporated into specialty adhesives, sealants, and coating systems to enhance performance and durability.
• Organic Synthesis & Research: A valuable reagent for Diels-Alder reactions, polymerization studies, and the development of novel functional materials.

Basic Information

Product Name	4-Methoxystyrene
CAS No.	637-69-4
Molecular Formula	C9H10O
Molecular Weight	134.18 g/mol
Synonyms	p-Methoxystyrene; 4-Vinylanisole; 1-Methoxy-4-vinylbenzene; p-Vinylanisole; 4-Ethenylanisole; Anisole, p-vinyl-; NSC 60545
EINECS	211-300-5

Quality Control

Our 4-Methoxystyrene is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including purity assay and impurity profiling, to ensure it meets the high standards required for industrial and research applications. A Certificate of Analysis (COA) detailing specific results is provided with every shipment to guarantee traceability and consistency.

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 flames. For long-term storage, consider under an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.1%

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