Description

Disodium 4-Amino-3,6-Bis[[4-[[4-(Diethylamino)-2-Hydroxyphenyl]Azo]Phenyl]Azo]-5-Hydroxynaphthalene-2,7-Disulphonate is a high-purity, complex azo dye intermediate of significant commercial importance. Its value lies in its ability to impart specific, vibrant color properties to final products, making it essential for advanced colorant synthesis. This compound is primarily needed by manufacturers in the textile dyeing, specialty ink formulation, and high-performance pigment industries.

Application

• Textile Dye Intermediate: A key precursor for synthesizing high-grade, wash-fast dyes for natural and synthetic fibers.
• Specialty Ink Production: Used in the formulation of inks for security printing, packaging, and digital applications requiring specific chromaticity.
• Industrial Pigment Synthesis: Serves as a critical building block for creating organic pigments used in plastics, paints, and coatings.
• Research & Development: Employed in chemical R&D for developing novel colorants and studying azo dye chemistry and properties.
• Analytical Chemistry: Can be used as a colorimetric reagent or standard in specific analytical methodologies.

Basic Information

Item	Detail
Product Name	Disodium 4-Amino-3,6-Bis[[4-[[4-(Diethylamino)-2-Hydroxyphenyl]Azo]Phenyl]Azo]-5-Hydroxynaphthalene-2,7-Disulphonate
CAS No.	84522-01-0
Molecular Formula	C52H44N10Na2O12S2
Molecular Weight	1086.06 g/mol
Synonyms	Acid Black 210; C.I. 300310; Disodium 4-amino-5-hydroxy-3,6-bis[[4-[(4-diethylamino-2-hydroxyphenyl)azo]phenyl]azo]naphthalene-2,7-disulphonate; 4-Amino-3,6-bis[[4-[[4-(diethylamino)-2-hydroxyphenyl]azo]phenyl]azo]-5-hydroxy-2,7-naphthalenedisulfonic acid disodium salt; Black 210; Azo Black 210; C.I. Acid Black 210
EINECS	Contact for details

Quality Control

Our production of Disodium 4-Amino-3,6-Bis[[4-[[4-(Diethylamino)-2-Hydroxyphenyl]Azo]Phenyl]Azo]-5-Hydroxynaphthalene-2,7-Disulphonate adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing to ensure consistent purity, color strength, and chemical identity. Certificates of Analysis (COA) detailing key specifications are provided to guarantee traceability and compliance with your technical requirements.

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). This material is hygroscopic (moisture-sensitive); ensure the container is kept tightly sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Dark blue to black powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Moisture Content	≤ 5.0%
Ash Content	≤ 1.0%
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.