Description

1,3-Benzenedicarboxylic Acid, 5-4-(7-Amino-1-Hydroxy-3-Sulfo-2-Naphthalenyl)Azo-1-Naphthalenylazo-, Ammonium Salt is a high-purity, water-soluble azo dye intermediate of significant industrial importance. Its complex molecular structure, featuring multiple azo linkages and sulfonate groups, provides excellent chromophoric properties and affinity for various substrates. This compound is primarily sought after by manufacturers in the specialty chemicals sector for the synthesis of high-performance dyes and pigments. Its consistent quality is critical for ensuring batch-to-batch reproducibility in final colorant products.

Application

• Primary Intermediate for Azo Dyes: Serves as a key building block in the synthesis of complex, high-value azo dyes for textiles, leather, and paper.
• Pigment Manufacturing: Used in the production of organic pigments where lightfastness and color strength are paramount.
• Specialty Ink Formulations: Employed in the development of inks for security printing, digital textiles, and other advanced printing applications.
• Research & Development: Utilized in chemical R&D for creating novel chromophores and studying structure-property relationships in dye chemistry.
• Functional Dyes: Potential applications in the synthesis of dyes for non-textile uses, such as in optical data storage or laser applications.

Basic Information

Product Name	1,3-Benzenedicarboxylic Acid, 5-4-(7-Amino-1-Hydroxy-3-Sulfo-2-Naphthalenyl)Azo-1-Naphthalenylazo-, Ammonium Salt
CAS No.	201932-29-8
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Ammonium 5-((4-((7-amino-1-hydroxy-3-sulfo-2-naphthyl)azo)-1-naphthyl)azo)isophthalate; C.I. Azoic Coupling Component; Azo dye intermediate 201932-29-8; 5-[4-[(7-Amino-1-hydroxy-3-sulfo-2-naphthalenyl)azo]-1-naphthalenyl]azo]-1,3-benzenedicarboxylic acid, ammonium salt; Benzenedicarboxylic acid, 5-[4-[(7-amino-1-hydroxy-3-sulfo-2-naphthyl)azo]-1-naphthyl]azo]-, ammonium salt; Specialty Azo Coupling Agent
EINECS	Contact for details

Quality Control

Our production of this advanced dye intermediate adheres to strict quality management protocols to ensure purity and performance consistency. Each batch is analyzed using modern analytical techniques including HPLC and spectrophotometry to verify critical parameters such as assay, impurity profile, and color strength. A comprehensive Certificate of Analysis (COA) detailing all test results 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, well-ventilated area at controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent absorption of atmospheric moisture, which can affect product performance. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Dark colored powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0%
Sulfated Ash	≤ 2.0%
Heavy Metals (as Pb)	≤ 20 ppm
Water Solubility	Freely soluble

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