Description

2-[[6-[[4-[[6-[(4-amino-3-methylbenzoyl)amino]-1-hydroxy-3-sulpho-2-naphthyl]azo]-3-methylbenzoyl]amino]-1-hydroxy-3-sulpho-2-naphthyl]azo]benzoic acid, sodium salt is a high-purity, complex azo dye intermediate and specialty chemical. This compound is valued for its precise molecular structure, which provides excellent chromophoric properties and reactivity for synthesizing advanced colorants. It is primarily needed by manufacturers in the dye and pigment industry, as well as by research institutions developing novel functional materials and analytical reagents.

Application

• Primary Intermediate for Azo Dyes & Pigments: Serves as a critical building block for synthesizing high-performance, water-soluble azo dyes, particularly for textiles, leather, and paper.
• Specialty Colorant Production: Used in the manufacture of complex, polyazo dyes that require specific shades, brightness, and fastness properties.
• Research & Development: Employed in chemical research for developing new chromophores, functional dyes, and materials with specific optical characteristics.
• Analytical Reagents: Can be utilized as a reagent or standard in analytical chemistry for colorimetric assays and detection methods.
• Functional Material Synthesis: Potential use in creating advanced materials where its specific aromatic and azo structure imparts desired electronic or photonic properties.

Basic Information

Item	Details
Product Name	2-[[6-[[4-[[6-[(4-amino-3-methylbenzoyl)amino]-1-hydroxy-3-sulpho-2-naphthyl]azo]-3-methylbenzoyl]amino]-1-hydroxy-3-sulpho-2-naphthyl]azo]benzoic acid, sodium salt
CAS No.	93805-63-1
Molecular Formula	C43H29N7O11S2Na
Molecular Weight	938.85 g/mol
Synonyms	Benzoic acid, 2-[[6-[[4-[[6-[(4-amino-3-methylbenzoyl)amino]-1-hydroxy-3-sulfo-2-naphthalenyl]azo]-3-methylbenzoyl]amino]-1-hydroxy-3-sulfo-2-naphthalenyl]azo]-, sodium salt; Sodium 2-((6-((4-((6-((4-amino-3-methylbenzoyl)amino)-1-hydroxy-3-sulfo-2-naphthyl)azo)-3-methylbenzoyl)amino)-1-hydroxy-3-sulfo-2-naphthyl)azo)benzoate; Azo dye intermediate 93805-63-1; CI 27290 (related class); Complex polyazo dye intermediate
EINECS	Contact for details

Quality Control

Our production of this specialty intermediate adheres to strict quality control protocols to ensure batch-to-batch consistency and high purity. Quality is verified through advanced analytical techniques including HPLC, UV-Vis spectroscopy, and elemental analysis. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to support your quality assurance and R&D processes.

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 absorption of atmospheric moisture, which can affect product stability and performance.

Specification

Item	Specification
Appearance	Dark brown to reddish-brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0%
Sulfated Ash	Contact for details
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Individual impurity ≤ 1.0%; Total impurities ≤ 3.0%

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