Description

4-Methylstyrene is a high-purity aromatic monomer essential for advanced polymer synthesis and specialty chemical manufacturing. This compound serves as a critical building block for creating polymers with tailored properties, such as enhanced thermal stability and specific refractive indices. It is primarily utilized by R&D laboratories and industrial manufacturers in the production of specialty plastics, resins, and as a key intermediate in fine chemical synthesis.

Application

• Polymer & Resin Manufacturing: A key monomer for producing modified polystyrene and specialty copolymers with improved heat resistance and mechanical properties.
• Fine Chemical Synthesis: Serves as a versatile intermediate in the synthesis of pharmaceuticals, agrochemicals, and advanced organic compounds.
• Adhesive & Coating Formulations: Used to develop high-performance adhesives, sealants, and coating resins that require specific solubility and curing characteristics.
• R&D & Laboratory Use: Employed in chemical research for studying polymerization kinetics and developing new polymeric materials.
• Specialty Plastic Production: Incorporated into engineering plastics to modify clarity, refractive index, and processing behavior.

Basic Information

Product Name	4-Methylstyrene
CAS No.	622-97-9
Molecular Formula	C9H10
Molecular Weight	118.18 g/mol
Synonyms	p-Methylstyrene; 1-Ethenyl-4-methylbenzene; 4-Vinyltoluene; p-Vinyltoluene; 4-Methylstyrol; 4-Ethenyltoluene; Toluene, 4-ethenyl-; NSC 60546
EINECS	210-762-8

Quality Control

Our 4-Methylstyrene is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including gas chromatography (GC) for assay and impurity profiling. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming compliance with agreed specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area away from heat sources and incompatible materials such as strong acids and oxidizing agents. Recommended storage temperature is between 2°C and 25°C. The product is stable under inert atmosphere but should be used promptly after opening to maintain quality.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.1%
Inhibitor (MEHQ)	10-100 ppm

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