Description

5,5'-Ethylidenebis(1,2,3-Trimethylbenzene) is a specialized organic compound belonging to the class of bridged bis(trimethylbenzene) derivatives. This chemical serves as a high-performance intermediate and building block, valued for its unique sterically hindered aromatic structure which imparts specific reactivity and stability. It is primarily utilized in advanced material science and fine chemical synthesis, particularly for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty polymer sectors seeking to develop novel compounds with tailored properties.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of complex drug molecules and active pharmaceutical ingredients (APIs), leveraging its hindered structure for selective reactions.
• Agrochemical Synthesis: Used in the development of advanced pesticides, herbicides, and plant growth regulators where specific aromatic frameworks are required.
• Ligand and Catalyst Precursor: Serves as a backbone for creating sterically demanding ligands used in homogeneous catalysis and organometallic chemistry.
• Specialty Polymer Monomer: Employed in the research and production of high-performance polymers, resins, and advanced materials with enhanced thermal or chemical resistance.
• Organic Electronic Materials: Investigated as a component or precursor in the development of materials for organic light-emitting diodes (OLEDs) and other electronic applications.
• Fine Chemical and Flavor/Fragrance Intermediate: Used in the multi-step synthesis of complex aroma chemicals and other high-value fine chemicals.

Basic Information

Product Name	5,5'-Ethylidenebis(1,2,3-Trimethylbenzene)
CAS No.	40202-32-2
Molecular Formula	C₂₂H₃₀
Molecular Weight	294.48 g/mol
Synonyms	1,1'-(Ethane-1,1-diyl)bis(2,3,5-trimethylbenzene); 1,1'-Ethylidenebis(2,3,5-trimethylbenzene); 5,5'-Ethane-1,1-diylbis(1,2,3-trimethylbenzene); Bis(2,3,5-trimethylphenyl)ethane; 2,2',3,3',5,5'-Hexamethyldiphenylmethane (related structural isomer); EBTTMB; Contact for additional trade names.
EINECS	Contact for details

Quality Control

Our production of 5,5'-Ethylidenebis(1,2,3-Trimethylbenzene) adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced chromatographic and spectroscopic techniques. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is 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, and well-ventilated area at room temperature (typically 15-25°C). Keep away from strong oxidizing agents. For long-term storage, consider an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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