Description

4-[(3-Carboxylato-4-Hydroxyphenyl)Azo]Benzenediazonium is a specialized diazonium salt derivative, a key intermediate in the synthesis of azo dyes and pigments. This compound matters for its role in creating colorants with specific functional properties, such as enhanced water solubility and lightfastness due to its carboxylato and hydroxyl substituents. Industries requiring high-performance dyes, including textiles, inks, and specialty coatings, rely on this precise chemical building block for product development and manufacturing.

Application

• Primary Intermediate for Azo Dyes & Pigments: Serves as a crucial precursor in the synthesis of acid dyes, direct dyes, and reactive dyes, particularly for coloring natural fibers like wool, silk, and nylon.
• Functional Dye Synthesis: Used to develop dyes with specific properties such as improved water solubility, metal complexation capabilities, and targeted hue development for technical applications.
• Research & Development: Employed in chemical R&D laboratories for exploring new chromophores, studying azo coupling reactions, and developing novel colorant systems.
• Specialty Inks and Coatings: A component in formulating high-performance inks for textiles and specialty coatings where specific color and stability requirements are paramount.

Basic Information

Product Name	4-[(3-Carboxylato-4-Hydroxyphenyl)Azo]Benzenediazonium
CAS No.	72152-89-7
Molecular Formula	C14H9N4O4- (typically as a salt)
Molecular Weight	297.25 g/mol (Free acid form)
Synonyms	4-[(3-Carboxy-4-hydroxyphenyl)azo]benzenediazonium salt; Benzenediazonium, 4-[(3-carboxy-4-hydroxyphenyl)azo]-; Azo dye intermediate 72152-89-7; 4-(2-Carboxy-5-hydroxyphenylazo)benzenediazonium; Diazonium salt of 4-[(3-carboxy-4-hydroxyphenyl)azo]aniline; Acid dye precursor CAS 72152-89-7
EINECS	Contact for details

Quality Control

Our production of 4-[(3-Carboxylato-4-Hydroxyphenyl)Azo]Benzenediazonium adheres to stringent quality protocols to ensure batch-to-batch consistency and purity for industrial synthesis. Each lot is analyzed using advanced techniques including HPLC and spectroscopic methods to confirm identity and assess critical impurities. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and related substance data is provided with every shipment to support your quality assurance processes.

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 sealed in a dry environment to prevent degradation. Isolate from incompatible materials such as strong bases and reducing agents.

Specification

Item	Specification
Appearance	Orange to brown powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	Min. 95%
Water Content (KF)	Max. 2.0%
Related Substances (HPLC)	Total impurities: Max. 5.0%
Solubility	Soluble in water, alkaline solutions

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