Description

5-[2-(4-Hydroxyphenyl) Diazene]-1,3-Phthalic Acid is a specialized azo dye intermediate characterized by its distinct molecular structure combining phthalic acid and a hydroxyphenyl diazene moiety. This compound matters for its role as a precise chemical building block in the synthesis of high-performance colorants and functional materials, where structural integrity and purity are paramount. It is primarily needed by manufacturers in the fine chemical, advanced pigment, and specialty polymer industries seeking reliable, high-purity intermediates for research and production.

Application

• Precursor for High-Performance Azo Dyes and Pigments: Serves as a key intermediate in synthesizing complex organic colorants for textiles, inks, and coatings.
• Functional Material Synthesis: Used in research and development of advanced materials, including liquid crystals and optical sensors.
• Analytical Chemistry Reagent: Employed as a standard or reagent in chromatographic analysis and method development.
• Pharmaceutical Intermediate: Potential use in the synthesis of specialized active pharmaceutical ingredients (APIs) and diagnostic agents.
• Academic and Industrial Research: A valuable compound for chemical research in organic synthesis and photochemistry studies.

Basic Information

Product Name	5-[2-(4-Hydroxyphenyl) Diazene]-1,3-Phthalic Acid
CAS No.	1417825-76-3
Molecular Formula	C14H10N2O5
Molecular Weight	286.24 g/mol
Synonyms	5-[(E)-2-(4-Hydroxyphenyl)diazen-1-yl]isophthalic Acid; 5-(2-(4-Hydroxyphenyl)diazenyl)benzene-1,3-dicarboxylic Acid; 4-Hydroxyazobenzene-3,5-dicarboxylic Acid; Azo Dye Intermediate AZ-HPDA; HPDA Acid; 1,3-Benzenedicarboxylic acid, 5-[(E)-2-(4-hydroxyphenyl)diazenyl]-; 5-(p-Hydroxyazobenzene)-isophthalic Acid
EINECS	Contact for details

Quality Control

Our 5-[2-(4-Hydroxyphenyl) Diazene]-1,3-Phthalic Acid is produced under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise customer specifications. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with every shipment, ensuring full traceability and compliance with your quality assurance protocols.

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 to minimize exposure to atmospheric humidity. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Orange to red crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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