Description

4-[(2-Chlorophenyl)Azo]-3-Hydroxy-2-Naphthoic Acid is a high-purity azo dye intermediate and pigment precursor, known for its specific chromophore structure. This compound is valued for its role in synthesizing high-performance pigments and dyes that offer excellent color strength and stability. It is primarily required by manufacturers in the pigment, specialty chemical, and advanced material industries for producing high-quality colorants.

Application

• Primary Intermediate for Azo Pigments: Serves as a key building block in the synthesis of high-performance organic pigments, particularly for yellows, oranges, and reds.
• Specialty Dye Manufacturing: Used in the production of specialized dyes for plastics, inks, and coatings requiring specific lightfastness and thermal stability.
• Research & Development: Employed in chemical R&D for developing novel chromophores and studying azo coupling reactions.
• Functional Material Synthesis: Potential use as a precursor in the creation of materials for non-linear optics or as a ligand in coordination chemistry.

Basic Information

Product Name	4-[(2-Chlorophenyl)Azo]-3-Hydroxy-2-Naphthoic Acid
CAS No.	52549-90-3
Molecular Formula	C17H11ClN2O3
Molecular Weight	326.73 g/mol
Synonyms	3-Hydroxy-4-[(2-chlorophenyl)azo]-2-naphthoic acid; 2-Naphthalenecarboxylic acid, 3-hydroxy-4-[(2-chlorophenyl)azo]-; C.I. Pigment Red 48:4 intermediate; 2-Chlorobenzeneazohydroxy naphthoic acid; 4-(2'-Chlorobenzeneazo)-3-hydroxy-2-naphthoic acid; Azoic Coupling Component 7; Naphthol AS-IRG intermediate; Contact for details on additional trade names.
EINECS	Contact for details

Quality Control

Our production of 4-[(2-Chlorophenyl)Azo]-3-Hydroxy-2-Naphthoic Acid adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise customer specifications and industry standards. A Certificate of Analysis (COA) detailing all test results is provided with each shipment and is available upon request.

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, containers should be kept in the original packaging or opaque containers until use.

Specification

Item	Specification
Appearance	Orange to red powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
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.