Description

4-[(2-Hydroxyphenyl)Azo]-1,3-Benzenediol is an azo dye intermediate characterized by its distinct molecular structure. This compound is valued for its role as a versatile precursor in the synthesis of specialized dyes and pigments. It is primarily required by manufacturers in the colorant, textile, and specialty chemical industries for producing high-performance coloring agents.

Application

• Primary Intermediate for Azo Dyes: Serves as a key building block in the synthesis of various orange to red azo dyes and pigments.
• Textile Dyeing: Used in the production of dyes for coloring natural and synthetic fibers.
• Specialty Pigments: Employed in the manufacture of pigments for inks, coatings, and plastics where specific color properties are required.
• Research & Development: Utilized in chemical research for developing new chromophores and studying azo compound chemistry.
• Analytical Reagents: Can be used as a chemical standard or reagent in analytical chemistry applications.

Basic Information

Product Name	4-[(2-Hydroxyphenyl)Azo]-1,3-Benzenediol
CAS No.	4867-02-1
Molecular Formula	C12H10N2O3
Molecular Weight	230.22 g/mol
Synonyms	1,3-Benzenediol, 4-[(2-hydroxyphenyl)azo]-; 4-(2-Hydroxyphenylazo)resorcinol; 2,4-Dihydroxyazobenzene; C.I. 24800; Resorcinol Yellow; Azoresorcinol; 4-(2-Hydroxyphenylazo)-1,3-benzenediol
EINECS	225-491-8

Quality Control

Our products undergo rigorous quality testing to ensure batch-to-batch consistency and compliance with industry standards. Standard quality parameters include purity assay, identification, and control of key impurities. Certificates of Analysis (COA) detailing specific 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.

Specification

Item	Specification
Appearance	Orange to red-brown powder or crystals
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%

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