Description

4-amino-6-[[4-[[4-[[4-(diethylamino)-2-hydroxyphenyl]azo]phenyl]amino]-3-sulphophenyl]azo]-5-hydroxy-3-[(4-nitrophenyl)azo]naphthalene-2,7-disulphonic acid, sodium salt is a high-purity, complex azo dye intermediate of significant commercial importance. This compound is valued for its precise molecular structure, which is critical for imparting specific color and performance characteristics in advanced dye formulations. It is primarily sought after by manufacturers in the textile, ink, and specialty chemical industries for the synthesis of high-performance dyes and pigments.

Application

• Textile Dyeing: A key intermediate for synthesizing reactive, acid, and direct dyes used on cotton, wool, silk, and nylon fibers.
• Ink Manufacturing: Used in the production of high-quality pigments for printing inks, including those for packaging and security applications.
• Specialty Pigments: Serves as a precursor for creating complex, high-stability pigments used in coatings, plastics, and artistic materials.
• Research & Development: Employed in chemical R&D for developing novel chromophores and studying structure-property relationships in dye chemistry.
• Biological Staining: Potential use as an intermediate for synthesizing specialized stains for histological and cytological applications in laboratories.

Basic Information

Product Name	4-amino-6-[[4-[[4-[[4-(diethylamino)-2-hydroxyphenyl]azo]phenyl]amino]-3-sulphophenyl]azo]-5-hydroxy-3-[(4-nitrophenyl)azo]naphthalene-2,7-disulphonic acid, sodium salt
CAS No.	94200-89-2
Molecular Formula	C44H34N10O14S3 · xNa
Molecular Weight	Contact for details
Synonyms	4-Amino-6-{[4-({4-[(4-(diethylamino)-2-hydroxyphenyl)diazenyl]phenyl}amino)-3-sulfophenyl]diazenyl}-5-hydroxy-3-[(4-nitrophenyl)diazenyl]naphthalene-2,7-disulfonic acid sodium salt; Complex Azo Dye Intermediate 94200-89-2; C.I. Acid Black 210 (related); Trisazo dye intermediate; Sodium 4-amino-6-[[4-[[4-[[4-(diethylamino)-2-hydroxyphenyl]azo]phenyl]amino]-3-sulphophenyl]azo]-5-hydroxy-3-[(4-nitrophenyl)azo]naphthalene-2,7-disulphonate
EINECS	Contact for details

Quality Control

Our production of this advanced dye intermediate adheres to strict quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure consistency and meet the exacting standards required for sensitive synthesis processes. A detailed Certificate of Analysis (COA) is provided with each shipment, documenting key parameters such as assay, impurity profile, and physical characteristics.

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). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product stability and performance.

Specification

Item	Specification
Appearance	Dark colored powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Moisture Content	≤ 5.0%
Solubility (Water)	Partially soluble
Heavy Metals (as Pb)	≤ 20 ppm

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