Description

2,3,4,5,6-Pentamethylstyrene is a highly substituted styrene derivative characterized by its unique sterically hindered aromatic structure. This compound serves as a critical advanced monomer and chemical intermediate for the synthesis of specialized polymers and fine chemicals. It is primarily needed by R&D chemists and process engineers in the polymer, pharmaceutical, and advanced materials sectors seeking to modify polymer backbones and create novel functional materials.

Application

• Polymer Chemistry: As a specialty monomer for producing polymers with enhanced thermal stability, modified solubility, and tailored refractive indices.
• Advanced Material Synthesis: Key intermediate in the development of organic semiconductors, liquid crystals, and photoresist materials.
• Pharmaceutical Intermediates: Used in the synthesis of complex drug molecules and active pharmaceutical ingredients (APIs) requiring sterically hindered aromatic groups.
• Cross-linking Agent: Employed in the formulation of specialty resins and coatings to improve cross-linking density and performance.
• Organic Synthesis & Catalysis: Valuable building block in organometallic chemistry and as a ligand precursor in catalytic systems.
• Research & Development: Essential for academic and industrial R&D focused on novel aromatic compounds and polymerization mechanisms.

Basic Information

Product Name	2,3,4,5,6-Pentamethylstyrene
CAS No.	13324-25-9
Molecular Formula	C₁₃H₁₈
Molecular Weight	174.28 g/mol
Synonyms	Pentamethylstyrene; 2,3,4,5,6-Pentamethylvinylbenzene; 1-Ethenyl-2,3,4,5,6-pentamethylbenzene; Vinylpentamethylbenzene; PMS (abbreviation); 2,3,4,5,6-Pentamethylphenylethene
EINECS	Contact for details

Quality Control

Our 2,3,4,5,6-Pentamethylstyrene is produced under stringent quality management protocols. Each batch undergoes comprehensive analytical testing including GC, HPLC, and NMR to verify identity, purity, and the absence of critical impurities. We provide a detailed Certificate of Analysis (COA) with every shipment, ensuring traceability and compliance with your specific research or production requirements.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry, and well-ventilated place. Recommended storage temperature is 2-8°C for long-term stability. Keep away from heat, sparks, and open flames.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 97.0%
Water Content (KF)	≤ 0.1%

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