Description

1-[[4-[[4-[(2-Hydroxy-1-Naphthyl)Azo]-2,5-Dimethylphenyl]Phenylmethyl]-2-Methylphenyl]Azo]-2-Naphthol is a high-purity, complex azo dye intermediate known for its excellent colorant properties and structural stability. This compound is critical for synthesizing high-performance pigments and dyes that require superior lightfastness and thermal resistance. It is primarily sought after by manufacturers in the pigments, plastics, inks, and specialty coatings industries for producing vibrant and durable colors.

Application

• High-Performance Organic Pigments: A key intermediate for manufacturing high-grade azo pigments used in automotive and industrial coatings.
• Plastics and Masterbatch Coloring: Imparts stable and intense coloration to engineering plastics and polymer resins.
• Printing Inks: Used in the formulation of specialty inks requiring excellent weatherability and color strength.
• Textile Dyes: Serves as a precursor for dyes applied to synthetic fibers.
• Lacquers and Paints: Contributes to the production of high-quality industrial and decorative paints.
• Research & Development: Utilized in chemical research for developing novel chromophores and functional materials.

Basic Information

Product Name	1-[[4-[[4-[(2-Hydroxy-1-Naphthyl)Azo]-2,5-Dimethylphenyl]Phenylmethyl]-2-Methylphenyl]Azo]-2-Naphthol
CAS No.	66085-70-9
Molecular Formula	C43H32N4O2
Molecular Weight	636.75 g/mol
Synonyms	Pigment Orange 68; C.I. 486150; 1-({4-[(E)-{4-[(E)-(2-Hydroxynaphthalen-1-yl)diazenyl]-2,5-dimethylphenyl}(phenyl)methyl]-2-methylphenyl}diazenyl)naphthalen-2-ol; 2-Naphthol, 1-[[4-[[4-[(2-hydroxy-1-naphthalenyl)azo]-2,5-dimethylphenyl]phenylmethyl]-2-methylphenyl]azo]-; Azo Pigment Intermediate 66085-70-9
EINECS	Contact for details

Quality Control

Our production of 1-[[4-[[4-[(2-Hydroxy-1-Naphthyl)Azo]-2,5-Dimethylphenyl]Phenylmethyl]-2-Methylphenyl]Azo]-2-Naphthol adheres to stringent quality management protocols. Every batch undergoes rigorous analytical testing to ensure high purity, consistent chromatic properties, and batch-to-batch reliability. Comprehensive Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request to support your quality assurance and regulatory needs.

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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Orange to Reddish-Brown Powder
Identification (IR)	Conforms to Standard
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Heavy Metals (as Pb)	≤ 20 ppm
Solubility	Soluble in organic solvents (e.g., DMF, DMSO)

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