4-Butyl-4'-cyanobiphenyl TCI B4923

Chemical Identity

Other names: 4CB
CAS No.: 52709-83-8
PubChem: CID 104288·SID 253661323
Formula: C17H17N
Molecular weight: 235.32 g/mol
Purity: >98.0%(GC)
Reference databases: ECHA

Full identifiers (IUPAC, SMILES, InChIKey)

IUPAC: 4-(4-butylphenyl)benzonitrile
SMILES: CCCCC1=CC=C(C=C1)C2=CC=C(C=C2)C#N
InChIKey: PJPLBHHDTUICNN-UHFFFAOYSA-N

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4-Butyl-4'-cyanobiphenyl is a chemical compound widely used in materials science, particularly in the development of liquid crystal (LC) materials. This compound plays a crucial role in laboratories where researchers are working on advanced display technologies and electronic materials. Its unique molecular structure, consisting of two benzene rings connected by a nitrogen and carbon linkage, along with butyl and cyanide groups at each end, makes it highly functional for specific molecular alignment applications.

The compound is favored for its distinct physical and chemical properties. It exhibits a clear phase transition temperature, which is essential for its use in liquid crystal applications. Additionally, it has good solubility in organic solvents, facilitating ease of synthesis and manipulation in laboratory settings. Its chemical stability and non-toxic nature further enhance its appeal for use in research environments where safety and consistency are paramount.

In Indonesian laboratories, 4-Butyl-4'-cyanobiphenyl is commonly used in the development of advanced materials for display technologies such as LCD and OLED screens. Its ability to form stable crystalline structures and its compatibility with various synthesis methods make it a preferred choice for researchers working on electronic materials and optoelectronic applications.

TCI brochures (PDF)

Liquid Crystal Materials 2026-04-01 · p. 4

Related TCI products

Liquid Crystal Display (LCD) Development: This compound is ideal for creating liquid crystal materials used in LCDs due to its molecular alignment properties and phase transition characteristics.
Organic Light-Emitting Diode (OLED) Research: Its optical and electronic properties make it suitable for OLED applications, supporting the development of next-generation display technologies.
Electronic Material Synthesis: The compound is frequently used in the synthesis of electronic materials due to its solubility and stability in organic solvents.
Material Characterization Studies: Its well-defined phase behavior makes it valuable for studying the physical properties of liquid crystals under various conditions.
Industrial Material Testing: It is used in testing the performance of liquid crystal materials in different environmental and operational conditions.

Brand	TCI
CAS number	52709-83-8
Molecular formula	—
Purity	—
Category	Materials Science > Electronic Materials > Liquid Crystal (LC) Materials
Pack sizes	Available in various quantities as per supplier specifications
Physical form	Solid
Storage	Store in a cool, dry place away from light and heat

This compound should be stored in a cool, dry environment, away from direct sunlight and sources of heat. It is recommended to use airtight containers made of glass or high-density polyethylene to prevent contamination and maintain its chemical integrity. Due to its stability, it does not require refrigeration, but it should be kept in a secure location to avoid exposure to moisture or incompatible substances. In laboratory settings, it is important to handle the compound with appropriate personal protective equipment, such as gloves and safety goggles, to ensure safe handling and minimize any potential risks.

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