Description

3-Hydroxyazobenzene is an important organic intermediate and functional dye precursor, characterized by its distinct azo (-N=N-) and phenolic (-OH) functional groups. This compound matters for its role in synthesizing specialized dyes, pigments, and advanced materials where precise color and chemical reactivity are required. Industries that need it include fine chemical manufacturing, research and development laboratories, and the production of liquid crystal displays and other optoelectronic components.

Application

• Dye and Pigment Intermediate: A key building block for the synthesis of azo dyes and organic pigments used in textiles, inks, and coatings.
• Liquid Crystal Materials: Serves as a precursor or dopant in the manufacture of liquid crystals for display technologies (LCDs).
• Chemical Research & Synthesis: Used as a versatile intermediate in organic synthesis and pharmaceutical research for creating complex molecules.
• Photochromic Materials: Investigated for use in light-sensitive compounds and smart materials due to its azobenzene structure.
• Analytical Reagent: Can be employed as a reagent or standard in analytical chemistry and chromatography.
• Polymer Modification: Used to introduce chromophoric or functional groups into polymers for specialized applications.

Basic Information

Product Name	3-Hydroxyazobenzene
CAS No.	2437-11-8
Molecular Formula	C₁₂H₁₀N₂O
Molecular Weight	198.22 g/mol
Synonyms	3-Hydroxyazobenzene; Azobenzene-3-ol; 3-Phenylazophenol; (3-Hydroxyphenyl)-phenyl-diazene; 3-Azophenol; m-Hydroxyazobenzene; Phenol, 3-(phenylazo)-; CI 11800
EINECS	219-431-6

Quality Control

Our 3-Hydroxyazobenzene is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation by FT-IR and melting point determination, to ensure it meets the high standards required for industrial and research applications. Certificates of Analysis (COA) documenting all test results 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 room temperature (15-25°C). Keep away from incompatible materials such as strong oxidizing agents. Due to its light-sensitive nature, prolonged exposure to direct light should be avoided.

Specification

Item	Specification
Appearance	Orange to red crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	125 - 129 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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