Description

5-[[4-[[4-[[6-[(4-Amino-3-Methylbenzoyl)Amino]-1-Hydroxy-3-Sulpho-2-Naphthyl]Azo]-3-Methylbenzoyl]Amino]Phenyl]Azo]Salicylic Acid, Sodium Salt is a high-purity, complex azo dye intermediate with a defined chemical structure. This compound is valued for its role as a critical precursor in the synthesis of specialized dyes and pigments, offering consistent performance and batch-to-batch reliability. It is primarily required by manufacturers in the fine chemicals, specialty dyes, and advanced materials sectors for research and production.

Application

• Primary Intermediate for Azo Dyes: Serves as a key building block in the synthesis of high-performance, polyazo dyes for textiles and leather.
• Specialty Pigment Manufacturing: Used in the production of complex organic pigments requiring specific color properties and stability.
• Research & Development: Employed in chemical R&D for developing new chromophores and functional dyes with tailored absorption characteristics.
• Analytical Reagent: Can be utilized as a standard or reagent in analytical chemistry for method development and calibration.
• Functional Material Synthesis: Potential use in creating dyes for non-textile applications, such as in optics or electronics.

Basic Information

Item	Details
Product Name	5-[[4-[[4-[[6-[(4-Amino-3-Methylbenzoyl)Amino]-1-Hydroxy-3-Sulpho-2-Naphthyl]Azo]-3-Methylbenzoyl]Amino]Phenyl]Azo]Salicylic Acid, Sodium Salt
CAS No.	93964-14-8
Molecular Formula	C39H28N6O9S2Na
Molecular Weight	819.79 g/mol
Synonyms	Acid Red 337 (C.I. 17200); Sodium 5-[(4-{[4-({6-[(4-amino-3-methylbenzoyl)amino]-1-hydroxy-3-sulphonato-2-naphthyl}azo)-3-methylbenzoyl]amino}phenyl)azo]salicylate; C.I. 17200; 5-[(4-{[4-({6-[(4-Amino-3-methylbenzoyl)amino]-1-hydroxy-3-sulfo-2-naphthyl}azo)-3-methylbenzoyl]amino}phenyl)azo]salicylic acid sodium salt; Azo dye intermediate 93964-14-8; Salicylic acid derivative azo compound
EINECS	Contact for details

Quality Control

Our production of this advanced intermediate adheres to strict quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise customer specifications. Certificates of Analysis (COA) documenting all critical parameters are provided and available upon request.

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). This material is light-sensitive and should be handled accordingly to maintain stability.

Specification

Item	Specification
Appearance	Dark red to brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0%
Sulphated Ash	Contact for details
Heavy Metals (as Pb)	≤ 20 ppm

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