Description

4,4'-[1,3,4-Oxadiazole-2,5-Diyl]-Bis[(2-Methyl-4,1-Phenylene)Azo] Bis[3-Hydroxy]-n-Phenyl-2-Naphthalenecarboxamide is a high-performance, complex organic dye intermediate characterized by its extended conjugated system incorporating oxadiazole and azo linkages. This compound matters for its ability to impart intense color and specific functional properties in advanced material formulations, offering excellent thermal stability and lightfastness. It is primarily needed by manufacturers in the specialty chemicals sector for producing high-grade pigments, functional dyes for liquid crystal displays (LCDs), and advanced organic electronic materials.

Application

• High-Performance Pigments: A key intermediate for synthesizing complex azo and polycyclic pigments used in automotive coatings, plastics, and inks requiring superior weather resistance.
• Liquid Crystal Display (LCD) Dyes: Functional dye component for guest-host LCD systems, where its dichroic properties and molecular alignment are critical for display contrast and color performance.
• Organic Photoconductors (OPCs): Used in the charge-generating layers of photocopiers and laser printers due to its photoconductive characteristics.
• Non-Linear Optical (NLO) Materials: Potential building block for materials used in optical switching, frequency doubling, and electro-optic modulation devices.
• Textile Dyeing: Intermediate for developing specialized disperse dyes for synthetic fibers like polyester, offering enhanced wash and light fastness.
• Research & Development: Serves as a sophisticated synthon in academic and industrial R&D for exploring new organic semiconductors and photoactive molecules.

Basic Information

Item	Details
Product Name	4,4'-[1,3,4-Oxadiazole-2,5-Diyl]-Bis[(2-Methyl-4,1-Phenylene)Azo] Bis[3-Hydroxy]-n-Phenyl-2-Naphthalenecarboxamide
CAS No.	73212-59-6
Molecular Formula	C56H40N8O6
Molecular Weight	921.0 g/mol
Synonyms	Pigment Yellow 185; C.I. 56285; 2,5-Bis[4-[(2-methyl-4-[(3-hydroxy-2-naphthoyl)amino]phenyl)azo]phenyl]-1,3,4-oxadiazole; 4,4'-(1,3,4-Oxadiazole-2,5-diyl)bis[(2-methyl-4,1-phenylene)azo]bis[3-hydroxy-N-phenyl-2-naphthamide]; 2,5-Bis(4-((2-methyl-4-((3-hydroxy-2-naphthamido)phenyl)azo)phenyl)-1,3,4-oxadiazole; Azo Oxadiazole Dye Intermediate; PY 185; CAS 73212-59-6
EINECS	Contact for details

Quality Control

Our production of 4,4'-[1,3,4-Oxadiazole-2,5-Diyl]-Bis[(2-Methyl-4,1-Phenylene)Azo] Bis[3-Hydroxy]-n-Phenyl-2-Naphthalenecarboxamide adheres to a stringent quality management system. Every batch undergoes rigorous analytical testing to ensure consistency, purity, and compliance with agreed specifications. A comprehensive Certificate of Analysis (COA) detailing identity, assay, impurity profile, and physical properties is provided with each shipment, supporting traceability and quality assurance for our global B2B clients.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at ambient temperature (15-25°C). Keep away from strong oxidizing agents and incompatible materials. The container should be kept tightly sealed to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	Yellow to Orange-Red Powder
Identification (IR)	Conforms to Standard
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition (Sulfated Ash)	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Total Impurities ≤ 2.0% Any Single Impurity ≤ 0.5%

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