Description

4-[(5-Carbamoyl-o-Tolyl)Azo]-3-Hydroxy-2-Naphth-p-Anisidide is a specialized azo compound known for its utility as a high-performance pigment and colorant intermediate. This chemical matters for its ability to impart stable and vivid coloration in demanding industrial applications, offering excellent light and heat resistance. It is primarily needed by manufacturers in the plastics, synthetic fibers, and specialty coatings industries seeking to enhance product aesthetics and durability.

Application

• Primary use as a pigment intermediate for the synthesis of high-grade organic pigments.
• Coloration of engineering plastics (e.g., polycarbonate, ABS, nylon) requiring thermal stability.
• Manufacturing of colorants for synthetic fibers such as polyester and polyamide.
• Production of industrial coatings and inks, particularly for automotive and appliance finishes.
• Potential use in the coloration of specialty masterbatches and polymer concentrates.
• Research and development of novel functional dyes for non-textile applications.

Basic Information

Product Name	4-[(5-Carbamoyl-o-Tolyl)Azo]-3-Hydroxy-2-Naphth-p-Anisidide
CAS No.	14254-76-3
Molecular Formula	C26H22N4O3
Molecular Weight	438.48 g/mol
Synonyms	Pigment Red 187; C.I. 12486; 5-[(2-Hydroxy-1-naphthyl)azo]-N-(4-methoxyphenyl)-2-methylbenzamide; N-(4-Methoxyphenyl)-5-[(2-hydroxy-1-naphthyl)azo]-2-methylbenzamide; 3-Hydroxy-4-[(2-methyl-5-[(4-methoxyphenyl)carbamoyl]phenyl]azo]-2-naphthamide; Azo Pigment Red 187; C.I. Pigment Red 187
EINECS	Contact for details

Quality Control

Our 4-[(5-Carbamoyl-o-Tolyl)Azo]-3-Hydroxy-2-Naphth-p-Anisidide is produced under a stringent quality management system to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including assay, identification, and impurity profiling. Certificates of Analysis (COA) documenting all critical specifications 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 a controlled room temperature (15-25°C). Keep away from heat sources and incompatible materials. Due to its light-sensitive nature, containers should be opaque or stored in darkness.

Specification

Item	Specification
Appearance	Red Powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 97.0%
Loss on Drying	≤ 1.0%
Ash Content	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm
Particle Size (Typical)	Contact for details

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