Description

2-Hydroxy-3-Naphthoic Acid 2-Chloroanilide is a specialized organic compound belonging to the class of anilide derivatives, widely recognized as a key intermediate in the synthesis of high-performance pigments and dyes. Its molecular structure provides excellent thermal stability and color fastness, making it a critical component for producing vivid and durable colorants. This product is essential for manufacturers in the pigment, plastics, and specialty chemical industries seeking to enhance the quality and performance of their final products.

Application

• Primary Intermediate for Azo Pigments: Serves as a crucial coupling component in the production of high-grade red, orange, and brown azo pigments, particularly for plastics and coatings.
• Dye Manufacturing: Used in the synthesis of specific naphthol AS series dyes and pigments for textiles and inks, offering superior lightfastness.
• Plastics and Masterbatch Coloring: Imparts stable and intense coloration to engineering plastics, synthetic fibers, and color masterbatches.
• Coatings and Paints: Employed in the formulation of industrial and automotive paints where weather resistance and color retention are paramount.
• Research & Development: Acts as a building block in organic synthesis for pharmaceutical and agrochemical research, exploring new molecular entities.
• Specialty Chemical Synthesis: Utilized as a precursor for other functional chemicals, including liquid crystal materials and optical brighteners.

Basic Information

Product Name	2-Hydroxy-3-Naphthoic Acid 2-Chloroanilide
CAS No.	6704-40-1
Molecular Formula	C₁₇H₁₂ClNO₂
Molecular Weight	297.74 g/mol
Synonyms	N-(2-Chlorophenyl)-3-hydroxy-2-naphthamide; 2-Chloro-N-(3-hydroxy-2-naphthoyl)aniline; 3-Hydroxy-2-naphthanilide, 2'-chloro; 2-Hydroxy-3-naphthoic acid o-chloroanilide; Naphthol AS-CA; Azoic Coupling Component 5; C.I. Azoic Coupling Component 5; Pigment Intermediate BONA-CA.
EINECS	229-743-6

Quality Control

Our 2-Hydroxy-3-Naphthoic Acid 2-Chloroanilide is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including HPLC for assay and impurity profile, to meet exacting customer specifications. A Certificate of Analysis (COA) detailing purity, identity, and physical parameters is provided with every shipment 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 ambient temperature (15-25°C). Keep away from incompatible materials such as strong oxidizing agents. The product is light-sensitive; prolonged exposure to light should be avoided to maintain stability.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.5%
Melting Point	245 - 250 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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