Description

Sodium 7-[(3-Aminobenzoyl)Amino]-4-Hydroxy-3-(2-Naphthylazo)Naphthalene-2-Sulphonate is a specialized azo dye intermediate known for its complex aromatic structure and functional groups. This compound is valued for its role in synthesizing high-performance dyes and pigments with enhanced color fastness and specific optical properties. It is primarily utilized by manufacturers in the textile, ink, and specialty chemical industries seeking to develop advanced colorants for demanding applications.

Application

• Primary Intermediate for Azo Dyes: A key building block in the synthesis of complex, high-value azo dyes for textiles and leather.
• Specialty Pigment Manufacturing: Used in the production of pigments for inks, coatings, and plastics requiring specific color shades and stability.
• Research & Development: Serves as a crucial reagent in chemical R&D for developing novel chromophores and functional dyes.
• Analytical Chemistry: Potential use as a staining agent or colorimetric indicator in specific laboratory analyses.
• Functional Material Synthesis: May be incorporated into polymers or other materials to impart color or other functional properties.

Basic Information

Product Name	Sodium 7-[(3-Aminobenzoyl)Amino]-4-Hydroxy-3-(2-Naphthylazo)Naphthalene-2-Sulphonate
CAS No.	85455-57-8
Molecular Formula	C27H19N4NaO5S
Molecular Weight	534.52 g/mol
Synonyms	7-[(3-Aminobenzoyl)amino]-4-hydroxy-3-[(2-naphthalenyl)azo]-2-naphthalenesulfonic acid sodium salt; C.I. 18050; Sodium 3-(2-naphthylazo)-4-hydroxy-7-[(3-aminobenzoyl)amino]-2-naphthalenesulfonate; Azo dye intermediate 85455-57-8; 2-Naphthalenesulfonic acid, 7-[(3-aminobenzoyl)amino]-4-hydroxy-3-[(2-naphthalenyl)azo]-, sodium salt; Benzenesulfonic acid derivative azo dye intermediate
EINECS	Contact for details

Quality Control

Our production of Sodium 7-[(3-Aminobenzoyl)Amino]-4-Hydroxy-3-(2-Naphthylazo)Naphthalene-2-Sulphonate adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods, to ensure consistency and meet precise customer specifications. A Certificate of Analysis (COA) detailing all relevant parameters is provided with each 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 incompatible materials such as strong oxidizing agents. Due to its light-sensitive nature, prolonged exposure to direct light should be avoided.

Specification

Item	Specification
Appearance	Dark red to brown powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Heavy Metals (as Pb)	≤ 20 ppm
Residual Solvents	Meets ICH guidelines

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