Description

7-[(4-Aminobenzoyl)Amino]-4-Hydroxy-3-[(2-Methoxy-5-Methylphenyl)Azo]-2-Naphthalenesulfonic Acid Sodium Salt is a high-purity azo dye intermediate and specialty chemical. This compound is valued for its precise molecular structure, which serves as a critical building block in the synthesis of advanced colorants and functional materials. It is primarily sought by manufacturers in the dyes and pigments, specialty chemical synthesis, and research and development sectors for creating products with specific chromatic and chemical properties.

Application

• Primary Intermediate for Azo Dyes & Pigments: Serves as a key precursor in the synthesis of high-performance, complex azo dyes for textiles, inks, and coatings.
• Specialty Chemical Synthesis: Used in organic synthesis to create novel compounds with specific functional groups for research and advanced material development.
• Functional Dye Manufacturing: Potential use in the production of dyes for non-textile applications, such as sensitizers or indicators in analytical chemistry.
• Research & Development: Employed in academic and industrial R&D labs for studying azo compound chemistry, photochemistry, and material science applications.

Basic Information

Product Name	7-[(4-Aminobenzoyl)Amino]-4-Hydroxy-3-[(2-Methoxy-5-Methylphenyl)Azo]-2-Naphthalenesulfonic Acid Sodium Salt
CAS No.	67990-26-5
Molecular Formula	C25H21N4O6SNa
Molecular Weight	528.52 g/mol
Synonyms	Sodium 7-[(4-aminobenzoyl)amino]-4-hydroxy-3-[(2-methoxy-5-methylphenyl)azo]naphthalene-2-sulfonate; 7-[(4-Aminobenzoyl)amino]-4-hydroxy-3-[(2-methoxy-5-methylphenyl)azo]-2-naphthalenesulfonic acid sodium salt; C.I. Acid Orange 156; Acid Orange 156 sodium salt; Azo dye intermediate 67990-26-5; 4-Hydroxy-3-[(2-methoxy-5-methylphenyl)azo]-7-[(4-aminobenzoyl)amino]-2-naphthalenesulfonic acid sodium salt
EINECS	Contact for details

Quality Control

Our production of 7-[(4-Aminobenzoyl)Amino]-4-Hydroxy-3-[(2-Methoxy-5-Methylphenyl)Azo]-2-Naphthalenesulfonic Acid Sodium Salt adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure consistency and meet the precise requirements of industrial synthesis. Certificates of Analysis (COA) documenting all critical parameters are available upon request.

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 after opening to prevent moisture absorption.

Specification

Item	Specification
Appearance	Orange to brown powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0%
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.