Description

Disodium 5-[[4-[[[[4-[(3-Sulphonatophenyl)Azo]Phenyl]Amino]Carbonyl]Amino]Phenyl]Azo]Salicylate is a high-purity, water-soluble azo dye intermediate known for its excellent chromophore properties and stability. This compound is critical for manufacturers requiring precise color development and consistent batch-to-batch performance in demanding applications. It is primarily utilized by producers of specialty dyes, pigments, and colorants for the textile, ink, and advanced materials industries.

Application

• Key intermediate in the synthesis of high-performance azo dyes and pigments for textiles and fabrics.
• Used in the manufacturing of colorants for inks, including those for digital and industrial printing.
• Acts as a functional component in the production of specialty coatings and advanced polymeric materials.
• Employed in research and development for novel optical materials and sensors.
• Potential use as a colorimetric reagent or indicator in specific analytical chemistry applications.
• Serves as a starting material for creating custom color formulations in various industrial sectors.

Basic Information

Product Name	Disodium 5-[[4-[[[[4-[(3-Sulphonatophenyl)Azo]Phenyl]Amino]Carbonyl]Amino]Phenyl]Azo]Salicylate
CAS No.	67874-59-3
Molecular Formula	C26H18N6Na2O8S
Molecular Weight	620.50 g/mol
Synonyms	Disodium 5-[(4-{[(4-{[4-(3-sulfophenyl)diazenyl]phenyl}carbamoyl)amino]phenyl}diazenyl)-2-hydroxybenzoate; Acid Yellow 220; C.I. 27795; Salicylic acid, 5-[[4-[[[[4-[(3-sulfophenyl)azo]phenyl]amino]carbonyl]amino]phenyl]azo]-, disodium salt; 5-[(E)-[4-[[(4-[(E)-(3-sulfonatophenyl)diazenyl]phenyl)carbamoyl]amino]phenyl]diazenyl]-2-hydroxybenzoic acid disodium salt; Azo dye intermediate 67874-59-3; Direct Yellow 142 (related class)
EINECS	Contact for details

Quality Control

Our production of Disodium 5-[[4-[[[[4-[(3-Sulphonatophenyl)Azo]Phenyl]Amino]Carbonyl]Amino]Phenyl]Azo]Salicylate adheres to stringent quality management protocols to ensure high purity and consistency. Each batch is analyzed against rigorous internal specifications. Certificates of Analysis (COA) documenting identity, purity, and impurity profiles are provided to guarantee the material meets your specific application requirements.

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 nature, the container must be kept tightly sealed to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	Orange to reddish-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
Water Solubility	Freely soluble

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