Description

2,7-Naphthalenedisulfonic Acid, 4-Amino-6-4-4-(2,4-Diaminophenyl)Azophenylaminosulfonylphenylazo-5-Hydroxy-3-(4-Nitrophenyl)Azo-, Dilithium Salt is a complex, high-purity azo dye intermediate characterized by its multi-functional aromatic structure. This compound is valued for its ability to impart specific color properties and act as a key building block in the synthesis of advanced dyes and pigments. It is primarily sought after by manufacturers in the specialty chemical, textile dyeing, and advanced materials sectors who require precise chromophoric components.

Application

• Primary Intermediate for High-Performance Dyes: Serves as a critical precursor in the synthesis of complex azo dyes for textiles, leather, and paper.
• Specialty Pigment Manufacturing: Used in the production of organic pigments requiring specific shade, brightness, and fastness properties.
• Functional Dyes for Advanced Materials: Potential application in the development of dyes for liquid crystal displays (LCDs), optical data storage, and non-linear optical materials.
• Research & Development: Employed in chemical R&D for creating novel chromophores and studying structure-property relationships in dye chemistry.
• Ink Formulation: Can be utilized in the formulation of specialized inks for security printing or high-value packaging.

Basic Information

Product Name	2,7-Naphthalenedisulfonic Acid, 4-Amino-6-4-4-(2,4-Diaminophenyl)Azophenylaminosulfonylphenylazo-5-Hydroxy-3-(4-Nitrophenyl)Azo-, Dilithium Salt
CAS No.	95713-95-4
Molecular Formula	C34H22Li2N10O14S3
Molecular Weight	912.77 g/mol (approx.)
Synonyms	Dilithium 4-amino-6-[4-[4-[(2,4-diaminophenyl)diazenyl]phenyl]sulfonylphenyl]diazenyl-5-hydroxy-3-[(4-nitrophenyl)diazenyl]naphthalene-2,7-disulfonate; C.I. Acid Black 234; Acid Black 234; Azo Black 234; Black 234; 4-Amino-6-[4-[4-[(2,4-diaminophenyl)azo]phenyl]sulfonylphenyl]azo]-5-hydroxy-3-[(4-nitrophenyl)azo]-2,7-naphthalenedisulfonic acid dilithium salt; 2,7-Naphthalenedisulfonic acid, 4-amino-6-[4-[4-[(2,4-diaminophenyl)azo]phenyl]sulfonylphenyl]azo]-5-hydroxy-3-[(4-nitrophenyl)azo]-, dilithium salt
EINECS	Contact for details

Quality Control

Our production of this specialty intermediate adheres to strict quality management protocols to ensure batch-to-batch consistency and purity. Each lot is analyzed using advanced techniques including HPLC and spectrophotometry to verify identity and composition. A comprehensive Certificate of Analysis (COA) detailing purity, impurity profile, and physical characteristics is provided with every shipment to support your quality assurance and regulatory needs.

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 hygroscopic nature, the container must be kept tightly sealed after opening to minimize exposure to atmospheric moisture. 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	Contact for details
Heavy Metals (as Pb)	≤ 20 ppm
Solubility	Soluble in water, DMSO

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