Description

4,4'-Bis[(3,4-Dihydroxyphenyl)Azo]-1,1'-Biphenyl-3,3'-Dicarboxylic Acid is a high-purity, specialized azo dye intermediate with a complex biphenyl dicarboxylic acid structure. This compound matters for its role as a critical precursor in synthesizing advanced colorants and functional dyes, offering excellent chromophore properties and structural stability. It is primarily needed by manufacturers in the specialty chemicals, high-performance pigments, and advanced materials sectors seeking to develop products with specific optical or electronic characteristics.

Application

• Precursor for High-Performance Pigments and Dyes: Serves as a key intermediate in the synthesis of complex azo pigments for industrial coatings, inks, and plastics requiring high color strength and durability.
• Functional Dye Synthesis: Used in the development of dyes for specialized applications, including liquid crystal displays (LCDs), optical data storage, and non-linear optical materials.
• Research & Development Chemical: Employed in academic and industrial R&D labs for studying azo coupling reactions, chromophore design, and the development of new polymeric colorants.
• Potential Use in Analytical Chemistry: May function as a chelating agent or colorimetric indicator in analytical methods due to its multiple phenolic hydroxyl and carboxylic acid groups.
• Material Science Applications: Investigated for incorporation into polymers or metal-organic frameworks (MOFs) to impart specific optical or binding properties.

Basic Information

Product Name	4,4'-Bis[(3,4-Dihydroxyphenyl)Azo]-1,1'-Biphenyl-3,3'-Dicarboxylic Acid
CAS No.	80495-41-6
Molecular Formula	C32H20N4O8
Molecular Weight	588.53 g/mol
Synonyms	1,1'-Biphenyl-3,3'-dicarboxylic acid, 4,4'-bis[(3,4-dihydroxyphenyl)azo]-; 3,3'-Biphenyldicarboxylic acid, 4,4'-bis[(3,4-dihydroxyphenyl)azo]-; 4,4'-Bis(3,4-dihydroxyazo)biphenyl-3,3'-dicarboxylic acid; Azo dye intermediate CAS 80495-41-6; Biphenyl azo dicarboxylic acid derivative
EINECS	Contact for details

Quality Control

Our production of 4,4'-Bis[(3,4-Dihydroxyphenyl)Azo]-1,1'-Biphenyl-3,3'-Dicarboxylic Acid adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC for purity, IR and NMR for structural confirmation, and elemental analysis, to ensure it meets precise customer specifications. Certificates of Analysis (COA) documenting all critical parameters are provided with each shipment to guarantee traceability, consistency, and compliance with your quality requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and light-sensitive; therefore, containers must be kept tightly sealed after opening to minimize exposure to atmospheric moisture and light, which can affect product stability.

Specification

Item	Specification
Appearance	Dark red to brown powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0% (Standard Grade)
Loss on Drying	≤ 2.0%
Heavy Metals (as Pb)	≤ 20 ppm
Residual Solvents (GC)	Meets ICH guidelines

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