Description

6-[(3-Chlorophenyl)Azo]-4-[(2,4-Dichlorobenzoyl)Amino]-5-Hydroxy-1,7-Naphthalenedisulfonic Acid Disodium Salt is a high-purity, synthetic azo dye intermediate and specialty chemical. It is valued for its precise molecular structure, which provides excellent chromophoric properties and reactivity for creating complex colorants. This compound is essential for manufacturers and R&D laboratories in the dyestuff, pigment, and specialty chemical industries seeking to develop or produce advanced, color-stable products.

Application

• Primary Intermediate for Azo Dyes and Pigments: Serves as a key building block in the synthesis of high-performance, chlorinated azo dyes, particularly for shades of yellow, orange, and red.
• Textile Dye Manufacturing: Used in the production of dyes for coloring synthetic and natural fibers, offering good wash and light fastness.
• Specialty Ink Formulation: Employed in the development of inks for packaging, security printing, and other applications requiring specific color properties.
• Research & Development: A valuable reagent for academic and industrial research in organic synthesis, dye chemistry, and material science.
• Functional Dye Synthesis: Potential use as a precursor for dyes with specialized functions, such as those used in sensors or imaging.

Basic Information

Item	Details
Product Name	6-[(3-Chlorophenyl)Azo]-4-[(2,4-Dichlorobenzoyl)Amino]-5-Hydroxy-1,7-Naphthalenedisulfonic Acid Disodium Salt
CAS No.	6713-60-6
Molecular Formula	C23H12Cl3N3Na2O8S2
Molecular Weight	689.82 g/mol
Synonyms	6713-60-6; Disodium 6-[(3-chlorophenyl)azo]-4-[(2,4-dichlorobenzoyl)amino]-5-hydroxy-1,7-naphthalenedisulfonate; C.I. Acid Yellow 219; Acid Yellow 219; Azo dye intermediate YA; 1,7-Naphthalenedisulfonic acid, 6-[(3-chlorophenyl)azo]-4-[(2,4-dichlorobenzoyl)amino]-5-hydroxy-, disodium salt
EINECS	Contact for details

Quality Control

Our production of 6-[(3-Chlorophenyl)Azo]-4-[(2,4-Dichlorobenzoyl)Amino]-5-Hydroxy-1,7-Naphthalenedisulfonic Acid Disodium Salt adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure consistency and meet customer specifications. Certificates of Analysis (COA) documenting all critical parameters are provided with each shipment.

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 prevent moisture absorption, which can affect product quality and handling.

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
Solubility (Water)	Soluble, clear solution

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