Description

2-Naphthalenecarboxamide, 4,4'-[(3,3'-Dichloro[1,1'- Biphenyl]-4,4'-Diyl)Bis(Azo)]Bis[3-Hydroxy-n-(4-Methylphenyl )- is a specialized high-performance azo pigment intermediate. This compound is valued for its ability to impart exceptional color strength, thermal stability, and lightfastness in demanding applications. It is primarily required by manufacturers in the plastics, coatings, and specialty inks industries seeking to produce vivid and durable colors.

Application

• High-Performance Pigments: A key intermediate for the synthesis of high-grade organic pigments, particularly diarylide yellows and oranges.
• Plastics Coloring: Used in the coloration of engineering plastics, PVC, polyolefins, and synthetic fibers where heat stability is critical.
• Industrial Coatings: Imparts durable color to automotive paints, powder coatings, and coil coatings requiring weather resistance.
• Specialty Inks: Formulation of inks for packaging, printing, and other applications demanding color consistency and fastness properties.
• Masterbatch Production: A concentrated colorant for creating pigment masterbatches used in polymer processing.

Basic Information

Product Name	2-Naphthalenecarboxamide, 4,4'-[(3,3'-Dichloro[1,1'- Biphenyl]-4,4'-Diyl)Bis(Azo)]Bis[3-Hydroxy-n-(4-Methylphenyl )-
CAS No.	103621-93-8
Molecular Formula	C48H34Cl2N6O4
Molecular Weight	845.73 g/mol
Synonyms	Pigment Yellow 180; C.I. 21290; 4,4'-[(3,3'-Dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[3-hydroxy-N-(4-methylphenyl)-2-naphthamide]; 3,3'-Dichloro-4,4'-bis[[3-hydroxy-4-[(4-methylphenyl)carbamoyl]-2-naphthyl]azo]biphenyl; Diarylamide Yellow 180; PY 180; C.I. Pigment Yellow 180; Benzidine Yellow HR.
EINECS	Contact for details

Quality Control

Our production of this pigment intermediate adheres to strict batch-to-batch consistency protocols. Quality is verified through advanced analytical techniques including HPLC and spectrophotometry to ensure compliance with industry colorimetric and chemical purity standards. A comprehensive Certificate of Analysis (COA) detailing purity, strength, and impurity profile is provided with every shipment.

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 heat sources and incompatible materials. Due to its light-sensitive nature, prolonged exposure to direct light should be avoided.

Specification

Item	Specification
Appearance	Yellow to Orange Powder
Identification (IR)	Conforms to Standard
Purity (HPLC)	≥ 97.0%
Color Strength	95 - 105% (vs. Std.)
Ash Content	≤ 1.0%
Moisture Content (KF)	≤ 1.0%
Chloride Content	Conforms
Particle Size (D50)	Contact for details

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