Description

4'-Hydroxyazobenzene-4-Carboxylic Acid Hydrate is a high-purity organic compound belonging to the azobenzene family, characterized by its carboxylic acid and phenol functional groups. This compound is valued for its role as a versatile chemical intermediate and chromophore in advanced material synthesis. It is primarily sought by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and specialty dye sectors for developing novel products and processes.

Application

• Pharmaceutical Intermediate: Used in the research and synthesis of active pharmaceutical ingredients (APIs) and diagnostic agents.
• Agrochemical Research: Serves as a key building block for developing novel herbicides, pesticides, and plant growth regulators.
• Dye & Pigment Precursor: Acts as a chromophoric intermediate in the production of azo dyes, pigments, and colorants for various industrial applications.
• Material Science: Employed in the development of functional materials, including liquid crystals, photoresponsive polymers, and molecular switches.
• Analytical Chemistry: Utilized as a standard or reagent in chromatographic analysis and spectroscopic studies.
• Academic & Industrial R&D: A critical compound for organic synthesis research, process development, and exploring new chemical entities.

Basic Information

Product Name	4'-Hydroxyazobenzene-4-Carboxylic Acid Hydrate
CAS No.	1899039-20-3
Molecular Formula	C13H10N2O3 · xH2O
Molecular Weight	242.23 (Anhydrous basis)
Synonyms	4-Carboxy-4'-hydroxyazobenzene Hydrate; 4'-Hydroxyazobenzene-4-carboxylic Acid Monohydrate; 4-(4-Hydroxyphenylazo)benzoic Acid Hydrate; p-Hydroxyazobenzene-p-carboxylic Acid Hydrate; Benzoic acid, 4-[(4-hydroxyphenyl)azo]-, hydrate; Azobenzene-4,4'-dicarboxylic Acid Derivative; Azo Dye Intermediate CAW
EINECS	Contact for details

Quality Control

Every batch of 4'-Hydroxyazobenzene-4-Carboxylic Acid Hydrate is manufactured and tested under a strict quality management system. We ensure compliance with relevant industry standards for research and industrial use. Comprehensive testing includes identity confirmation, purity assay, and impurity profiling. Certificates of Analysis (COA) documenting all critical quality attributes are available upon request to support 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 light-sensitive and easily oxidized nature, it is recommended to handle under an inert atmosphere for long-term storage and to minimize exposure to air and moisture. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Orange to red crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0% (Anhydrous basis)
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm
Related Substances (HPLC)	Individual impurity ≤ 0.5%, Total impurities ≤ 1.5%

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