Description

1-Naphthalenesulfonic acid, 4-amino-, coupled with diazotized 2-(4-aminophenyl)-1H-benzimidazol-5-amine and 6-hydroxy-2-naphthalenesulfonic acid monosodium salt, sodium salt is a high-purity, complex organic dye intermediate and specialty chemical. This compound is valued for its role in synthesizing high-performance pigments and dyes, offering excellent color properties and stability. It is primarily needed by manufacturers in the colorants industry, including producers of pigments for inks, coatings, and specialty polymers, where precise chemical structure is critical for product performance.

Application

• Primary Intermediate for Azo Pigments: Serves as a key coupling component in the synthesis of high-performance, complex azo pigments.
• Dye Manufacturing: Used in the production of specialized dyes for industrial applications requiring specific lightfastness and chemical resistance.
• Ink Formulations: Incorporated in the manufacture of colorants for printing inks, including packaging and security inks.
• Coatings and Paints: Provides colorant properties in coatings where durability and weatherability are essential.
• Plastic and Polymer Coloring: Used to color engineering plastics and synthetic fibers during the polymerization or masterbatch production process.
• Research & Development: Employed in chemical R&D for developing new colorant molecules and studying structure-property relationships.

Basic Information

Product Name	1-Naphthalenesulfonic acid, 4-amino-, coupled with diazotized 2-(4-aminophenyl)-1H-benzimidazol-5-amine and 6-hydroxy-2-naphthalenesulfonic acid monosodium salt, sodium salt
CAS No.	90459-09-9
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	C.I. Pigment Red 269; C.I. 124596; Pigment Red 269; 4-Amino-1-naphthalenesulfonic acid, diazotized, coupled with 2-(4-aminophenyl)-5-aminobenzimidazole and 6-hydroxy-2-naphthalenesulfonic acid, sodium salt; Benzimidazol-5-amine, 2-(4-aminophenyl)-1H-, diazotized, coupled with 4-amino-1-naphthalenesulfonic acid and 6-hydroxy-2-naphthalenesulfonic acid monosodium salt, sodium salt
EINECS	Contact for details

Quality Control

Our production of this specialty intermediate adheres to strict quality control protocols to ensure batch-to-batch consistency and purity required for sensitive synthesis processes. Quality is verified through analytical techniques including HPLC and spectrophotometry. A Certificate of Analysis (COA) detailing purity, identity, and relevant specifications is provided with every shipment to support your quality assurance systems.

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. The container must be kept tightly closed to protect from moisture.

Specification

Item	Specification
Appearance	Dark red to brown powder or solid
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	Min. 95%
Loss on Drying	Max. 2.0%
Sulfated Ash	Contact for details
Heavy Metals (as Pb)	Contact for details

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