Description

[1,1':4',1''-Terphenyl]-4,4''-Diol CAS NO 4084-45-1 is a high-purity organic compound belonging to the terphenyl family, characterized by its two terminal phenolic hydroxyl groups. This structure makes it a valuable key intermediate and building block for advanced materials synthesis. It is primarily sought after by manufacturers in the pharmaceutical, agrochemical, and specialty polymer industries for developing high-performance products.

Application

• Pharmaceutical Intermediate: Serves as a crucial precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds requiring a rigid, conjugated backbone.
• Agrochemical Synthesis: Used as a building block for creating novel herbicides, fungicides, and plant growth regulators with enhanced stability.
• Liquid Crystal Materials: Acts as a core component in the production of liquid crystal displays (LCDs) and other electro-optical devices due to its rigid, linear structure.
• Polymer & Resin Modifier: Incorporated into high-performance polymers, epoxy resins, and polycarbonates to improve thermal stability, mechanical strength, and chemical resistance.
• Organic Light-Emitting Diodes (OLEDs): Utilized in the development of host or emissive layer materials for OLED displays and lighting.
• Dye & Pigment Intermediate: Functions as a starting material for synthesizing specialized dyes, pigments, and optical brighteners.
• Research & Development: Employed in academic and industrial R&D for exploring new organic semiconductors and advanced functional materials.

Basic Information

Product Name	[1,1':4',1''-Terphenyl]-4,4''-Diol
CAS No.	4084-45-1
Molecular Formula	C18H14O2
Molecular Weight	262.30 g/mol
Synonyms	4,4''-Dihydroxy-1,1':4',1''-terphenyl; 4,4''-Biphenol; p-Terphenyl-4,4''-diol; 4,4''-Terphenyldiol; [1,1':4',1''-Terphenyl]-4,4''-diol; 4-(4-Hydroxyphenyl)biphenyl-4'-ol; p,p''-Terphenyldiol
EINECS	Contact for details

Quality Control

Our [1,1':4',1''-Terphenyl]-4,4''-Diol is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) upon request, detailing all relevant specifications to support your quality assurance and regulatory compliance 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). This product is hygroscopic (moisture-sensitive) and light-sensitive; therefore, containers must be kept tightly sealed and away from direct light exposure to maintain stability and purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	285 - 295 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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