Description

β-Methylstyrene is a versatile, high-purity aromatic monomer characterized by its reactive vinyl group. This compound is a critical intermediate for synthesizing specialized polymers, resins, and fine chemicals, offering enhanced thermal stability and tailored reactivity compared to styrene. It is essential for manufacturers in the polymer, specialty chemical, and fragrance industries seeking to develop advanced materials with specific performance characteristics.

Application

• Polymer Modification: Acts as a comonomer to enhance the heat resistance, chemical stability, and mechanical properties of styrenic copolymers and engineering plastics.
• Specialty Resin Production: Used in the synthesis of ion-exchange resins, adhesives, and coatings where specific aromatic structure is required.
• Fine Chemical Synthesis: Serves as a key building block in pharmaceutical intermediates and agrochemicals.
• Fragrance and Flavor Industry: Employed as a precursor for certain aromatic compounds used in perfumery.
• Organic Synthesis: Utilized in Diels-Alder reactions and other cycloadditions to create complex organic molecules.
• Research and Development: A valuable reagent for exploring new polymerization techniques and material science applications.

Basic Information

Product Name	β-Methylstyrene
CAS No.	637-50-3
Molecular Formula	C9H10
Molecular Weight	118.18 g/mol
Synonyms	2-Phenylpropene; 2-Phenylpropylene; (1-Methylvinyl)benzene; Isopropenylbenzene; α-Methylstyrene (Note: often used interchangeably but technically an isomer); β-Methylstyrene; β-Methylstyrol; NSC 66411
EINECS	211-309-7

Quality Control

Our β-Methylstyrene is manufactured under stringent quality management systems to ensure batch-to-batch consistency and high purity. Each lot is tested against rigorous internal specifications, which typically include identity confirmation, assay, and impurity profiling. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee compliance with your technical requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area away from heat sources and incompatible materials. Due to its highly volatile and light-sensitive nature, containers should be kept tightly sealed when not in use. Recommended storage temperature is 2-25°C.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.1%
Related Substances (GC)	Individual impurity ≤ 0.5%
Specific Gravity (20°C)	0.905 - 0.915
Refractive Index (20°C)	1.535 - 1.545

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