Description

Disodium 2-[3-(5-Chloro-2-Methoxyphenyl)-1-Ethyltriazen-2-Yl]-5-Sulphonatobenzoate is a high-purity, water-soluble azo compound primarily used as a key intermediate in the synthesis of specialized dyes and pigments. Its consistent quality and defined chemical structure are critical for achieving precise color characteristics and batch-to-batch reproducibility in demanding applications. This product is essential for manufacturers in the textile, ink, and specialty chemical industries seeking reliable intermediates for advanced colorant production.

Application

• Dye and Pigment Intermediate: A crucial building block for synthesizing high-performance azo dyes and pigments, particularly for textiles and inks.
• Textile Colorants: Used in the production of dyes for coloring natural and synthetic fibers, offering good wash and light fastness properties.
• Inkjet and Printing Inks: Serves as a precursor for colorants used in high-quality digital and industrial printing applications.
• Specialty Chemical Synthesis: Employed as an intermediate in organic synthesis for research and development of novel chemical entities.
• Analytical Reagents: Can be utilized in the formulation of specific chemical indicators or reagents for laboratory use.

Basic Information

Product Name	Disodium 2-[3-(5-Chloro-2-Methoxyphenyl)-1-Ethyltriazen-2-Yl]-5-Sulphonatobenzoate
CAS No.	4857-56-1
Molecular Formula	C17H16ClN3Na2O6S
Molecular Weight	471.82 g/mol
Synonyms	Disodium 2-[3-(5-chloro-2-methoxyphenyl)-1-ethyltriazen-2-yl]-5-sulfobenzoate; 2-[3-(5-Chloro-2-methoxyphenyl)-1-ethyltriazen-2-yl]-5-sulfobenzoic Acid Disodium Salt; C.I. Azoic Coupling Component 20; Azoic Coupling Component 20; 5-Chloro-2-methoxy-1-ethyl-3-(2-carboxy-4-sulfophenyl)triazene Disodium Salt; Benzoic acid, 2-[3-(5-chloro-2-methoxyphenyl)-1-ethyltriazen-2-yl]-5-sulfo-, disodium salt
EINECS	225-466-6

Quality Control

Our Disodium 2-[3-(5-Chloro-2-Methoxyphenyl)-1-Ethyltriazen-2-Yl]-5-Sulphonatobenzoate is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure it meets precise specifications for identity, purity, and composition. Certificates of Analysis (COA) documenting these results are available upon request to support your quality assurance and regulatory needs.

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 to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Yellow to orange-brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0%
Heavy Metals (as Pb)	≤ 20 ppm
Residual Solvents (GC)	Meets ICH guidelines

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