Description

Disodium 3-[[4-(Acetylamino)Phenyl]Azo]-4-Amino-5-Hydroxy-6-(Phenylazo)Naphthalene-2,7-Disulphonate is a high-purity, synthetic azo dye intermediate of significant industrial importance. Its complex molecular structure provides excellent chromophoric properties, making it a critical precursor for producing vivid and stable colorants. This compound is essential for manufacturers in the textile, ink, and specialty coatings industries who require consistent, high-performance raw materials for their formulations.

Application

• Primary intermediate for the synthesis of high-grade azo dyes and pigments used in textile coloration.
• Key component in manufacturing specialty inks for packaging, security printing, and digital applications.
• Precursor for colorants used in industrial coatings and paints, providing enhanced color fastness and durability.
• Used in the research and development of novel functional dyes for non-textile applications, including optical media and sensors.
• Raw material for producing colorants for leather and paper products.
• Employed in analytical chemistry as a reference standard for quality control in dye manufacturing.

Basic Information

Product Name	Disodium 3-[[4-(Acetylamino)Phenyl]Azo]-4-Amino-5-Hydroxy-6-(Phenylazo)Naphthalene-2,7-Disulphonate
CAS No.	94386-47-7
Molecular Formula	C30H22N6Na2O9S2
Molecular Weight	720.64 g/mol
Synonyms	Acid Black 210; C.I. 300310; Disodium 4-Amino-3-[[4-(acetylamino)phenyl]azo]-5-hydroxy-6-(phenylazo)naphthalene-2,7-disulfonate; 2,7-Naphthalenedisulfonic acid, 4-amino-3-[[4-(acetylamino)phenyl]azo]-5-hydroxy-6-(2-phenyldiazenyl)-, disodium salt; Azo Dye Intermediate 94386-47-7; Black 210 Dye Intermediate; 4-Amino-3-((4-acetamidophenyl)diazenyl)-5-hydroxy-6-(phenyldiazenyl)naphthalene-2,7-disulfonic acid disodium salt
EINECS	Contact for details

Quality Control

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

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). Keep away from strong oxidizing agents and incompatible materials. The container should be kept tightly sealed when not in use to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	Dark brown to black powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0%
Sulfated Ash	≤ 20.0%
Heavy Metals (as Pb)	≤ 20 ppm
Solubility (in Water)	Freely soluble

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