Description

Benzenesulfonic acid, 3-amino-4-hydroxy-5-nitro-, diazotized, coupled with diazotized 2-amino-4,6-dinitrophenol, diazotized 5-amino-2-(phenylamino)benzenesulfonic acid, diazotized 4-nitrobenzenamine and resorcinol is a complex, multi-component diazo coupling product, primarily utilized as a specialized dye intermediate. Its value lies in its ability to impart specific color properties and structural characteristics to advanced synthetic dyes and pigments. This high-value chemical is essential for manufacturers in the textile, leather, and specialty ink industries seeking to develop high-performance colorants with tailored light-fastness and hue.

Application

• Primary Intermediate for Azo Dyes & Pigments: Serves as a key building block in the synthesis of complex, high-performance azo dyes, particularly for demanding applications.
• Textile Dyeing: Used in the production of dyes for coloring natural and synthetic fibers, where specific shade and durability are required.
• Leather Finishing: Employed in the manufacture of dyes for leather goods, providing rich, stable colors.
• Specialty Inks: A component in formulating inks for packaging, security printing, or other applications requiring specific colorant properties.
• Research & Development: Used in chemical R&D labs for developing novel chromophores and studying dye-synthesis pathways.
• Functional Material Synthesis: Potential use as a precursor in the creation of dyes for non-textile applications, such as in optical materials or sensors.

Basic Information

Product Name	Benzenesulfonic acid, 3-amino-4-hydroxy-5-nitro-, diazotized, coupled with diazotized 2-amino-4,6-dinitrophenol, diazotized 5-amino-2-(phenylamino)benzenesulfonic acid, diazotized 4-nitrobenzenamine and resorcinol
CAS No.	94552-16-6
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	C.I. Pigment Brown 44; Diazotized 3-Amino-4-hydroxy-5-nitrobenzenesulfonic acid coupled complex; Azo dye intermediate 94552-16-6; Multi-component diazo coupling product; Complex benzenesulfonic acid azo compound; Leather brown pigment intermediate; Specialty azo dye precursor
EINECS	Contact for details

Quality Control

Our production of this specialty dye intermediate adheres to strict quality control protocols to ensure batch-to-batch consistency and performance in your synthesis processes. Quality is verified through analytical methods including HPLC and spectrophotometry. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and relevant physical parameters 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, well-ventilated area at room temperature (15-25°C). Keep away from heat sources and incompatible materials. Due to its light-sensitive nature, handling and transfer should be minimized under direct light exposure.

Specification

Item	Specification
Appearance	Dark colored powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	Min. 95% (or as per grade)
Moisture Content	Max. 2.0%
Ash Content	Max. 1.0%
Solubility Test	Characteristic in specified solvents

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