Description

3-[[4'-[[2-Amino-4-[(2-Hydroxy-1-Naphthalenyl)Azo]Phenyl]Azo]-3,3'-Dimethoxy[1,1'-Biphenyl]-4-Yl]Azo]-4-Hydroxynaphthalene-1-Sulfonic Acid Sodium Salt is a high-purity, synthetic azo dye intermediate valued for its complex molecular structure and consistent chromophoric properties. This compound is critical for manufacturers requiring precise color development and excellent lightfastness in demanding applications. It is primarily utilized by producers of specialized pigments, high-performance inks, and advanced textile dyes who need reliable batch-to-batch consistency and technical support.

Application

• Production of High-Performance Pigments: Serves as a key intermediate for manufacturing complex organic pigments used in automotive coatings, industrial paints, and plastics coloring.
• Specialty Ink Formulations: Employed in the synthesis of dyes for security inks, textile printing inks, and other specialty printing applications requiring specific color shades and stability.
• Textile Dye Synthesis: Used as a precursor for developing azo dyes applied in dyeing natural and synthetic fibers, particularly where deep, vibrant colors are needed.
• Research & Development: Utilized in chemical R&D laboratories for studying azo coupling reactions and developing novel chromophores with tailored properties.
• Functional Material Development: Investigated for potential use in non-linear optical materials, sensors, and other advanced material science applications.

Basic Information

Product Name	3-[[4'-[[2-Amino-4-[(2-Hydroxy-1-Naphthalenyl)Azo]Phenyl]Azo]-3,3'-Dimethoxy[1,1'-Biphenyl]-4-Yl]Azo]-4-Hydroxynaphthalene-1-Sulfonic Acid Sodium Salt
CAS No.	7116-77-0
Molecular Formula	C45H32N6NaO8S
Molecular Weight	851.82 g/mol
Synonyms	Sodium 3-[[4'-[[2-amino-4-[(2-hydroxy-1-naphthyl)azo]phenyl]azo]-3,3'-dimethoxy[1,1'-biphenyl]-4-yl]azo]-4-hydroxy-1-naphthalenesulfonate; C.I. Pigment Red 242; C.I. 20067; PR 242; Pigment Red 242; 3-[[4'-[[2-Amino-4-[(2-hydroxy-1-naphthalenyl)azo]phenyl]azo]-3,3'-dimethoxy[1,1'-biphenyl]-4-yl]azo]-4-hydroxy-1-naphthalenesulfonic acid sodium salt; 1-Naphthalenesulfonic acid, 3-[[4'-[[2-amino-4-[(2-hydroxy-1-naphthalenyl)azo]phenyl]azo]-3,3'-dimethoxy[1,1'-biphenyl]-4-yl]azo]-4-hydroxy-, monosodium salt.
EINECS	Contact for details

Quality Control

Our production of this azo dye intermediate adheres to strict quality management protocols to ensure chemical purity and performance consistency for industrial applications. Each batch is analyzed using advanced techniques including HPLC and spectrophotometry to confirm identity, strength, and impurity profiles. A comprehensive Certificate of Analysis (COA) detailing all relevant specifications is provided with every shipment to support your quality assurance and regulatory compliance needs.

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). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product performance. Keep away from incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	Dark red to brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0%
Sulfated Ash	≤ 20.0%
Heavy Metals (as Pb)	≤ 20 ppm
Solubility (Test)	Soluble in alkaline water, DMF; insoluble in most organic solvents

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