Description

[1,1:3,1-Terphenyl]-4,4-Diol(9Ci) is a high-purity, specialized organic compound belonging to the terphenyl class, serving as a critical building block in advanced material synthesis. Its value lies in its rigid, conjugated molecular structure and dual phenolic hydroxyl groups, which make it an essential intermediate for creating polymers and functional materials with specific optical and thermal properties. This compound is primarily needed by R&D laboratories and industrial manufacturers in the pharmaceutical, agrochemical, and specialty polymer sectors, where it is used to develop high-performance products.

Application

• Pharmaceutical Intermediate: Acts as a key synthon in the development of novel active pharmaceutical ingredients (APIs) and drug candidates.
• Agrochemical Synthesis: Used in the research and production of advanced herbicides, fungicides, and plant growth regulators.
• Liquid Crystal & OLED Materials: Serves as a core structure in the synthesis of liquid crystal compounds and organic light-emitting diode (OLED) materials due to its rigid, planar geometry.
• Polymer & Resin Modifier: Incorporated as a monomer or cross-linking agent to enhance the thermal stability, mechanical strength, and chemical resistance of engineering plastics and epoxy resins.
• UV Absorber & Stabilizer Precursor: Utilized in the manufacture of additives that protect polymers and coatings from photodegradation.
• Research & Development: A valuable standard and reagent in organic chemistry research for studying reaction mechanisms and developing new synthetic methodologies.

Basic Information

Product Name	[1,1:3,1-Terphenyl]-4,4-Diol(9Ci)
CAS No.	18801-72-4
Molecular Formula	C18H14O2
Molecular Weight	262.30 g/mol
Synonyms	4,4''-Dihydroxy-m-terphenyl; 1,1':3',1''-Terphenyl-4,4''-diol; 4,4''-Dihydroxy-1,1':3',1''-terphenyl; m-Terphenyl-4,4''-diol; 4-[3-(4-Hydroxyphenyl)phenyl]phenol; NSC 403796; 1,3-Bis(4-hydroxyphenyl)benzene
EINECS	Contact for details

Quality Control

Our [1,1:3,1-Terphenyl]-4,4-Diol(9Ci) is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing to ensure high purity and batch-to-batch consistency, meeting the stringent requirements of research and industrial applications. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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