Description

Disodium 5-[[4-[[[[2-Methoxy-4-[(3-Sulphonatophenyl)Azo]Phenyl]Amino]Carbonyl]Amino]Phenyl]Azo]Salicylate is a high-purity, water-soluble azo dye intermediate of significant commercial importance. Its primary value lies in its role as a key precursor for synthesizing a range of vibrant and stable dyes and pigments. This compound is essential for manufacturers in the textile, ink, and specialty coatings industries seeking to produce high-quality colorants with excellent fastness properties.

Application

• Primary Intermediate for Azo Dyes: Serves as a crucial building block in the synthesis of acid dyes, direct dyes, and reactive dyes used extensively in textile dyeing and printing.
• Pigment Manufacturing: Used in the production of high-performance organic pigments for applications requiring strong color strength and durability.
• Ink Formulation: A key component in the manufacture of inks for packaging, publishing, and specialty printing, contributing to color vibrancy and stability.
• Leather Coloring: Employed in the formulation of dyes for the leather tanning and finishing industry.
• Paper Dyeing: Used in the production of dyes for coloring paper and paperboard products.
• Research & Development: Serves as a standard or experimental compound in chemical research focused on new chromophores and dye chemistry.

Basic Information

Item	Details
Product Name	Disodium 5-[[4-[[[[2-Methoxy-4-[(3-Sulphonatophenyl)Azo]Phenyl]Amino]Carbonyl]Amino]Phenyl]Azo]Salicylate
CAS No.	7248-45-5
Molecular Formula	C27H20N6Na2O9S
Molecular Weight	650.52 g/mol
Synonyms	Acid Yellow 220; C.I. 27795; Disodium 5-[(4-[[[2-methoxy-4-[(3-sulfophenyl)azo]phenyl]amino]carbonyl]amino]phenyl)azo]salicylate; 5-[(4-[[[2-Methoxy-4-[(3-sulfophenyl)azo]phenyl]amino]carbonyl]amino]phenyl)azo]salicylic Acid Disodium Salt; Azo Dye Intermediate Y-220; 7248-45-5; Yellow 220
EINECS	Contact for details

Quality Control

Our production of Disodium 5-[[4-[[[[2-Methoxy-4-[(3-Sulphonatophenyl)Azo]Phenyl]Amino]Carbonyl]Amino]Phenyl]Azo]Salicylate adheres to stringent quality management protocols to ensure batch-to-batch consistency and purity. Every lot undergoes rigorous analytical testing, including HPLC for assay and impurity profiling, to meet exacting customer specifications. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and related substances is provided with each shipment to support your quality assurance 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). This material is hygroscopic (moisture-sensitive); ensure containers are kept sealed to prevent absorption of atmospheric moisture, which may affect product performance.

Specification

Item	Specification
Appearance	Yellow to Orange Powder
Identification (IR)	Conforms to Standard
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 5.0%
pH (1% Solution)	6.0 - 8.0
Heavy Metals (as Pb)	≤ 20 ppm

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