Description

2-Chloro-4-Phenylazophenol CAS NO 6657-05-2 is a specialized azo dye intermediate and analytical reagent characterized by its distinct chromophoric structure. This compound is valued for its role as a key precursor in the synthesis of pigments and dyes, offering precise color properties and chemical reactivity. It is essential for manufacturers and research laboratories in the pigments, dyes, analytical chemistry, and specialty chemical synthesis sectors.

Application

• Dye and Pigment Intermediate: A crucial precursor for synthesizing azo dyes and organic pigments used in inks, plastics, and coatings.
• Analytical Reagent: Used in chemical analysis and as a colorimetric indicator in laboratory testing procedures.
• Research & Development: Serves as a building block in organic synthesis for pharmaceutical and agrochemical research.
• Photographic Chemicals: Potential application in the formulation of light-sensitive materials and photographic developers.
• Liquid Crystal Displays (LCDs): Can be investigated as a component in the production of dyes for display technologies.
• Textile Industry: Employed in the development of specialized dyes for synthetic and natural fibers.

Basic Information

Item	Detail
Product Name	2-Chloro-4-Phenylazophenol
CAS No.	6657-05-2
Molecular Formula	C12H9ClN2O
Molecular Weight	232.67 g/mol
Synonyms	4-(Phenylazo)-2-chlorophenol; 2-Chloro-4-(phenylazo)phenol; C.I. Solvent Yellow 7; Phenol, 2-chloro-4-(phenylazo)-; 1-Hydroxy-2-chloro-4-phenylazobenzene; Azosol Fast Yellow GRA; Sudan Yellow GRA; Light Fast Yellow GRA
EINECS	229-667-6

Quality Control

Our 2-Chloro-4-Phenylazophenol is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation by IR spectroscopy, to ensure it meets exacting standards for consistency and performance. Certificates of Analysis (COA) documenting all critical parameters 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.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Heavy Metals	≤ 20 ppm

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