Description

trans-4''-Heptylcyclohexyl-3,4-Difluorobenzene is a high-purity, advanced organic intermediate characterized by its specific cyclohexylbenzene core with a heptyl chain and difluoro substitution. This compound matters for its role as a critical building block in the synthesis of sophisticated liquid crystal materials and other high-performance organic electronic components. It is primarily needed by manufacturers in the liquid crystal display (LCD) industry, as well as by R&D laboratories focused on organic semiconductors and advanced functional materials.

Application

• Liquid Crystal (LC) Mixtures: A key monomeric component for formulating high-performance nematic and ferroelectric liquid crystals used in displays.
• Advanced Display Technologies: Synthesis of LC materials for TFT-LCDs, OLED backlight units, and other optoelectronic devices requiring precise molecular alignment.
• Organic Electronic Materials: Serves as a precursor or intermediate in the development of organic semiconductors and charge-transport materials.
• Pharmaceutical Intermediates: Potential use in the synthesis of complex, fluorinated active pharmaceutical ingredients (APIs) due to its unique difluorobenzene structure.
• Chemical Research & Development: Utilized in academic and industrial R&D for studying structure-property relationships in mesogenic and fluorinated compounds.
• Specialty Additives: Exploration of its use in polymer stabilization or as a specialty additive for advanced material formulations.

Basic Information

Product Name	trans-4''-Heptylcyclohexyl-3,4-Difluorobenzene
CAS No.	139136-72-4
Molecular Formula	C19H28F2
Molecular Weight	294.43 g/mol
Synonyms	trans-4-Heptyl-1,1'-bi(cyclohexyl)-4'-carbonitrile (related structure); 3,4-Difluoro-4''-heptyl-1,1':4',1''-terphenyl (alternative naming); 4-(trans-4-Heptylcyclohexyl)-1,2-difluorobenzene; 1,2-Difluoro-4-(trans-4-heptylcyclohexyl)benzene; 3,4-Difluoro-4'-heptylbiphenyl (simplified core); Heptylcyclohexyl Difluorobenzene; LCD Intermediate 139136-72-4; HCH-DFB (abbreviation)
EINECS	Contact for details

Quality Control

Our trans-4''-Heptylcyclohexyl-3,4-Difluorobenzene is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high chemical purity and isomeric consistency critical for liquid crystal applications. Certificates of Analysis (COA) with detailed chromatographic data are provided to guarantee traceability and compliance with your specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (typically 15-25°C). This material is light-sensitive and should be handled under appropriate conditions to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0% (Area %)
Isomeric Purity (GC/HPLC)	≥ 99.0% trans-isomer
Melting Point	Contact for details
Loss on Drying	≤ 0.5%

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