Description

5,5'-Ethylidenebis(1,2,4-Trimethylbenzene) is a specialized aromatic hydrocarbon derivative, also known by its CAS number 17851-25-1. This compound serves as a critical high-performance intermediate and building block in advanced organic synthesis. It is primarily required by R&D and production facilities in the fine chemical, pharmaceutical, and advanced material sectors for developing novel compounds and functional polymers.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of complex drug molecules and active pharmaceutical ingredients (APIs).
• Ligand & Catalyst Synthesis: Used to prepare sophisticated ligands for metal-organic catalysis and polymerization processes.
• Advanced Polymer Research: Serves as a monomer or cross-linking agent in the development of high-temperature and specialty polymers.
• Fine Chemical Synthesis: Intermediate for producing dyes, pigments, and other high-value aromatic chemicals.
• Material Science: Research component for creating organic electronic materials and liquid crystals.
• Agrochemical Development: Used in the research and synthesis of novel crop protection agents.

Basic Information

Product Name	5,5'-Ethylidenebis(1,2,4-Trimethylbenzene)
CAS No.	17851-25-1
Molecular Formula	C22H30
Molecular Weight	294.48 g/mol
Synonyms	1,1'-(Ethylidene)bis(2,3,5-trimethylbenzene); 5,5'-Ethylidenebis(1,2,4-trimethylbenzene); Ethylidenebis(trimethylbenzene); Bis(2,3,5-trimethylphenyl)ethane; 1,1'-Ethylidenebis(2,3,5-trimethylbenzene); 2,2',3,3',5,5'-Hexamethyldiphenylmethane (related isomer); Contact for additional trade names.
EINECS	Contact for details

Quality Control

Our production of 5,5'-Ethylidenebis(1,2,4-Trimethylbenzene) adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including chromatography (HPLC/GC) and spectroscopic methods (NMR, IR), to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting all critical parameters are provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Heavy Metals	< 10 ppm
Residual Solvents (GC)	Meets ICH guidelines

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