Description

5-4-(7-Amino-1-Hydroxy-3-Sulfonaphthalen-2-Ylazo)Naphthalen-1-Ylazoisophthalicacid is a specialized, high-purity azo dye intermediate with a complex polycyclic structure. This compound is valued for its ability to impart specific color properties and functional characteristics in advanced dye and pigment synthesis. It is primarily required by manufacturers in the fine chemicals, specialty dyes, and advanced materials sectors for producing high-performance colorants.

Application

• Key intermediate for the synthesis of high-grade, complex azo dyes and pigments.
• Used in the production of specialized colorants for inks and toners requiring precise chromatic properties.
• Potential precursor in the development of functional dyes for optical data storage and non-linear optical applications.
• Research and development of novel colored polymers and coatings with enhanced stability.
• Manufacturing of dyes for textile and leather where specific sulfonated azo structures are required.
• Specialty chemical synthesis in analytical chemistry as a chromogenic reagent or probe.

Basic Information

Product Name	5-4-(7-Amino-1-Hydroxy-3-Sulfonaphthalen-2-Ylazo)Naphthalen-1-Ylazoisophthalicacid
CAS No.	175466-25-8
Molecular Formula	C27H17N5O8S
Molecular Weight	571.52 g/mol
Synonyms	5-[4-[(7-Amino-1-hydroxy-3-sulfo-2-naphthyl)azo]-1-naphthylazo]isophthalic Acid; 5,4'-(7-Amino-1-hydroxy-3-sulfonaphthalene-2-ylazo)naphthalene-1-ylazoisophthalic Acid; Azo Dye Intermediate 175466-25-8; Isophthalic acid, 5-[4-[(7-amino-1-hydroxy-3-sulfo-2-naphthalenyl)azo]-1-naphthalenyl]azo]-; Disazo dye intermediate based on isophthalic acid; 1-Naphthylazo-4-(7-amino-1-hydroxy-3-sulfonaphthyl-2-azo)-5-isophthalic acid
EINECS	Contact for details

Quality Control

Our production of this advanced intermediate adheres to strict quality control protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced techniques including HPLC and spectroscopic methods. A comprehensive Certificate of Analysis (COA) detailing identity, purity, 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 a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Dark colored 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%

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