Description

(Trans,Trans)-4-Bromo-4'-Ethyl-1,1'-Bicyclohexane is a high-purity, advanced liquid crystal intermediate (LCI) and pharmaceutical building block characterized by its rigid, substituted bicyclohexyl core. This compound is valued for its ability to impart specific mesomorphic and electronic properties in advanced material synthesis. It is primarily sought by R&D and production teams in the liquid crystal display (LCD), organic electronics, and pharmaceutical industries for developing next-generation formulations and active ingredients.

Application

• Liquid Crystal Intermediates: A key synthon for manufacturing high-performance nematic and chiral liquid crystals used in TFT-LCD displays, optical films, and tunable lenses.
• Pharmaceutical Synthesis: Serves as a versatile, rigid scaffold in medicinal chemistry for the development of novel therapeutic agents, particularly in central nervous system (CNS) and anti-inflammatory drug candidates.
• Organic Electronic Materials: Used in the research and development of organic semiconductors, charge-transport materials, and light-emitting diodes (OLEDs) due to its structural stability.
• Chemical Research & Development: Employed as a standard or building block in asymmetric synthesis, cross-coupling reactions, and material science research.
• Advanced Polymer Additives: Can be incorporated into specialty polymers to modify thermal stability, refractive index, and mechanical properties.

Basic Information

Product Name	(Trans,Trans)-4-Bromo-4'-Ethyl-1,1'-Bicyclohexane
CAS No.	389088-34-0
Molecular Formula	C14H25Br
Molecular Weight	273.26 g/mol
Synonyms	4-Bromo-4'-ethyl-1,1'-bicyclohexyl (trans,trans-); trans,trans-4-Bromo-4'-ethylbicyclohexyl; 1,1'-Bicyclohexyl, 4-bromo-4'-ethyl-, (trans,trans)-; 4'-Ethyl-4-bromo-1,1'-bicyclohexyl; 4-Bromo-4'-ethyl-[1,1'-bi(cyclohexane)]; LCI-Br-Et (common industry abbreviation); Bicyclohexyl bromoethyl derivative
EINECS	Contact for details

Quality Control

Our (Trans,Trans)-4-Bromo-4'-Ethyl-1,1'-Bicyclohexane is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure high chemical purity and isomeric consistency. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with each 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 place at room temperature (15-25°C). Keep away from heat sources and incompatible materials. For long-term storage, consider under an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or low-melting solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0% (Area %)
Isomeric Purity (GC/HPLC)	≥ 99.0% (trans,trans- isomer)
Water Content (KF)	≤ 0.5%

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