Description

2-Naphthalenesulfonic Acid, 6-Amino-5-5-Chloro-2-(2-Chlorophenoxy)Phenylazo-4-Hydroxy-, Monosodium Salt is a specialized azo dye intermediate with a complex, functionalized structure. This compound is valued for its role in synthesizing high-performance dyes and pigments, offering specific color properties and stability. It is primarily required by manufacturers in the textile, ink, and specialty chemical industries seeking to produce vivid and durable colorants.

Application

• Primary Intermediate for Azo Dyes: Serves as a key building block in the synthesis of complex, high-value azo dyes for textiles and leather.
• Pigment Manufacturing: Used in the production of organic pigments for inks, coatings, and plastics, contributing to color fastness and intensity.
• Specialty Chemical Synthesis: Acts as a functional intermediate in the creation of other specialized chemicals, including liquid crystal dyes and photographic chemicals.
• Research & Development: Utilized in laboratory settings for developing new chromophores and studying structure-property relationships in dye chemistry.

Basic Information

Product Name	2-Naphthalenesulfonic Acid, 6-Amino-5-5-Chloro-2-(2-Chlorophenoxy)Phenylazo-4-Hydroxy-, Monosodium Salt
CAS No.	103241-64-1
Molecular Formula	C22H15Cl2N3O5SNa
Molecular Weight	526.33 g/mol
Synonyms	6-Amino-5-5-chloro-2-(2-chlorophenoxy)phenylazo-4-hydroxy-2-naphthalenesulfonic acid monosodium salt; Monosodium 6-amino-5-[5-chloro-2-(2-chlorophenoxy)phenyl]azo-4-hydroxy-2-naphthalenesulfonate; C.I. Acid Red 404 (related class); Azo dye intermediate derived from 6-amino-4-hydroxy-2-naphthalenesulfonic acid; Dye intermediate for red/blue shades; Sodium 6-amino-4-hydroxy-5-[(5-chloro-2-(2-chlorophenoxy)phenyl)azo]-2-naphthalenesulfonate
EINECS	Contact for details

Quality Control

Our production of this advanced dye intermediate adheres to stringent quality protocols to ensure batch-to-batch consistency and purity for sensitive synthesis processes. Quality is verified through analytical methods including HPLC, UV-Vis spectroscopy, and elemental analysis. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment 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 sealed to prevent absorption of atmospheric moisture, which can affect product stability and handling properties.

Specification

Item	Specification
Appearance	Dark colored powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	Min. 95%
Loss on Drying	Max. 2.0%
Heavy Metals (as Pb)	Max. 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.