Description

4-[(5-Carbamoyl-o-Tolyl)Azo]-3-Hydroxynaphth-2-Anilide is a specialized azo compound of significant industrial importance. This chemical serves as a high-performance intermediate and functional additive, prized for its specific chromophoric and complexing properties. It is primarily sought after by manufacturers in the pigment, dye, and specialty chemical industries for producing colorants and advanced materials.

Application

• Pigment and Dye Intermediate: A key precursor in the synthesis of high-grade organic pigments and dyes, particularly for applications requiring specific color fastness and stability.
• Functional Colorant Production: Used in manufacturing colorants for plastics, inks, and coatings where thermal and chemical resistance are critical.
• Analytical Reagent: Employed as a complexometric agent or indicator in specific analytical chemistry and metallurgical testing procedures.
• Research & Development: Serves as a valuable building block in chemical R&D for developing novel azo-based compounds with tailored properties.
• Specialty Polymer Additive: Can be incorporated into polymer systems to impart specific functional characteristics, such as UV absorption or color.

Basic Information

Product Name	4-[(5-Carbamoyl-o-Tolyl)Azo]-3-Hydroxynaphth-2-Anilide
CAS No.	16403-84-2
Molecular Formula	C25H20N4O2
Molecular Weight	408.45 g/mol
Synonyms	4-[(5-Carbamoyl-2-methylphenyl)azo]-3-hydroxy-2-naphthanilide; C.I. Pigment Red 269; 3-Hydroxy-4-[(2-methyl-5-[(phenylamino)carbonyl]phenyl]azo]-2-naphthalenecarboxamide; 2-Naphthalenecarboxamide, 3-hydroxy-4-[(2-methyl-5-[(phenylamino)carbonyl]phenyl]azo]-; N-(5-((2-Carbamoyl-1-naphthyl)azo)-2-methylphenyl)benzamide (alternative tautomer); Azo Pigment Intermediate 16403-84-2
EINECS	Contact for details

Quality Control

Our production of 4-[(5-Carbamoyl-o-Tolyl)Azo]-3-Hydroxynaphth-2-Anilide adheres to a stringent quality management system. Every batch undergoes rigorous analytical testing to ensure consistent purity, color strength, and chemical identity. Comprehensive Certificates of Analysis (COA) detailing all specification parameters are provided to guarantee traceability and compliance with your technical requirements.

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 strong oxidizing agents and incompatible materials. This material is light-sensitive; prolonged exposure to light should be avoided to maintain product integrity.

Specification

Item	Specification
Appearance	Reddish-brown to dark brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Ash Content	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm
Solubility	Soluble in DMF, DMSO; Insoluble in water

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