Description

[1,1',3',1",3",1"'-Quaterphenyl]-3,3'''-Dicarboxylic Acid CAS NO 30249-85-5 is a high-purity, multi-aromatic ring dicarboxylic acid derivative. This compound serves as a critical advanced organic intermediate and building block for the synthesis of complex molecular architectures. It is primarily utilized by pharmaceutical R&D teams and specialty chemical manufacturers.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for targeted therapies.
• Liquid Crystal & OLED Materials: Serves as a core structure for developing advanced organic electronic materials, including charge-transport layers and emissive dopants.
• Polymer & Resin Synthesis: Building block for high-performance polymers, such as polyamides, polyimides, and epoxy resins, imparting thermal stability and rigidity.
• Organic Semiconductor Research: Used in the development of n-type or p-type semiconductor materials for organic field-effect transistors (OFETs).
• Metal-Organic Framework (MOF) Construction: Acts as a versatile organic linker for creating porous coordination polymers with specific surface properties.
• Dye & Pigment Manufacturing: Intermediate for synthesizing specialized dyes and pigments with enhanced light-fastness and color properties.
• Academic & Industrial R&D: A valuable reagent for exploratory chemistry in material science and medicinal chemistry projects.

Basic Information

Product Name	[1,1',3',1",3",1"'-Quaterphenyl]-3,3'''-Dicarboxylic Acid
CAS No.	30249-85-5
Molecular Formula	C30H20O4
Molecular Weight	444.48 g/mol
Synonyms	3,3'''-Quaterphenyl-1,1'''-dicarboxylic Acid; 1,1':3',1":3",1"'-Quaterphenyl-3,3"'-dicarboxylic Acid; m-Quaterphenyl-3,3"'-dicarboxylic Acid; QPDA; Quaterphenyl Dicarboxylic Acid; 3,3"'-Biphenyl-4,4'-diyldibenzoic Acid; 4,4'-Bis(3-carboxyphenyl)-1,1':3',1"-terphenyl
EINECS	Contact for details

Quality Control

Our [1,1',3',1",3",1"'-Quaterphenyl]-3,3'''-Dicarboxylic Acid is produced under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC for purity and spectroscopic identification (IR, NMR), to ensure compliance with exacting specifications. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed after opening to minimize exposure to atmospheric moisture. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm

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