Description

6-Amino-5-[[2-[(Decylamino)Sulphonyl]Phenyl]Azo]-4-Hydroxynaphthalene-2-Sulphonic Acid is a specialized azo dye intermediate with a complex molecular structure designed for high-performance applications. This compound matters for its role as a key precursor in synthesizing advanced dyes and pigments, offering excellent color fastness and stability. It is primarily needed by manufacturers in the textile, ink, and specialty chemical industries seeking to produce high-value, durable colorants.

Application

This advanced chemical intermediate serves critical functions in several high-value industrial sectors:

• Primary use as a dye and pigment intermediate for the synthesis of high-performance azo dyes.
• Manufacturing of textile dyes, particularly for fibers requiring excellent wash and light fastness.
• Production of specialty inks, including those for security printing and high-durability packaging.
• Key precursor in the development of functional colorants for plastics and polymers.
• Research and development of novel optical materials and sensors utilizing its chromophoric properties.
• Potential use in the synthesis of biological stains and analytical reagents for laboratory applications.

Basic Information

Product Name	6-Amino-5-[[2-[(Decylamino)Sulphonyl]Phenyl]Azo]-4-Hydroxynaphthalene-2-Sulphonic Acid
CAS No.	73287-51-1
Molecular Formula	C26H31N5O6S2
Molecular Weight	573.68 g/mol
Synonyms	6-Amino-5-[[2-[(decylamino)sulfonyl]phenyl]azo]-4-hydroxy-2-naphthalenesulfonic acid; C.I. 27290; Azo dye intermediate 73287-51-1; 2-Naphthalenesulfonic acid, 6-amino-5-[[2-[(decylamino)sulfonyl]phenyl]azo]-4-hydroxy-; Decyl amino sulfonyl phenyl azo naphthol sulfonic acid; 6-Amino-4-hydroxy-5-[(2-((decylamino)sulfonyl)phenyl)azo]-2-naphthalenesulfonic acid
EINECS	Contact for details

Quality Control

Our production of 6-Amino-5-[[2-[(Decylamino)Sulphonyl]Phenyl]Azo]-4-Hydroxynaphthalene-2-Sulphonic Acid adheres to stringent quality management protocols. Every batch undergoes rigorous analytical testing to ensure high purity, consistent chemical structure, and batch-to-batch reproducibility. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are available upon request to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed to prevent degradation from atmospheric moisture. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Dark brown to reddish-brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0%
Sulfated Ash	≤ 1.0%
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Total impurities ≤ 3.0%
Solubility	Soluble in alkaline aqueous solutions

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