Description

n-(2,3-Dihydro-2-Oxo-1H-Benzimidazol-5-Yl)-3-Hydroxy-4-[(2-Nitrophenyl)Azo]Naphthalene-2-Carboxamide CAS NO 38133-90-3 is a complex, high-purity azo dye intermediate characterized by its benzimidazolone and naphthalene carboxamide structure. This compound is valued for its role in synthesizing specialized pigments and dyes that offer excellent color strength and application performance. It is primarily required by manufacturers in the pigments, advanced dyes, and specialty chemical sectors for high-performance applications.

Application

• Key intermediate for the synthesis of high-performance azo pigments and dyes.
• Used in the production of colorants for plastics and synthetic fibers requiring high thermal stability.
• Potential component in the formulation of specialized inks for industrial printing.
• Research and development of novel functional dyes with specific optical properties.
• Manufacturing of pigments for coatings and paints where durability is critical.
• Specialty applications in non-textile coloration and advanced material science.

Basic Information

Product Name	n-(2,3-Dihydro-2-Oxo-1H-Benzimidazol-5-Yl)-3-Hydroxy-4-[(2-Nitrophenyl)Azo]Naphthalene-2-Carboxamide
CAS No.	38133-90-3
Molecular Formula	C24H17N5O5
Molecular Weight	455.43 g/mol
Synonyms	5-[[3-Hydroxy-4-[(2-nitrophenyl)azo]-2-naphthalenyl]carbonyl]amino]-2-benzimidazolinone; Benzimidazolone Azo Dye Intermediate; C.I. Pigment Orange 64 Intermediate; 38133-90-3; Azo Benzimidazolone Compound; Naphthalene Carboxamide Azo Dye; 2-Nitroaniline Azo Derivative
EINECS	Contact for details

Quality Control

Our production of this advanced intermediate adheres to strict quality control protocols to ensure batch-to-batch consistency and high purity. Quality is verified through modern analytical techniques including HPLC, IR, and elemental analysis. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to support your quality assurance processes.

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). Due to its light-sensitive and easily oxidized nature, it is recommended to store the material under an inert atmosphere (e.g., nitrogen or argon) for long-term preservation and to minimize degradation.

Specification

Item	Specification
Appearance	Orange to Reddish-Brown Powder
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
Related Substances (HPLC)	Individual ≤ 0.5%, Total ≤ 1.5%

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