Description

4-Amino-6-[[4-[[4-[(2,4-Dihydroxyphenyl)Azo]Phenyl]Thio]Phenyl]Azo]-5-Hydroxy-3-[(4-Nitrophenyl)Azo]Naphthalene-2,7-Disulphonic Acid, Sodium Salt is a high-purity, complex azo dye intermediate designed for advanced colorant synthesis. This compound is valued for its ability to impart specific, stable color properties and its role in creating high-performance dyes and pigments. It is essential for manufacturers in the textile, ink, and specialty chemical industries seeking to develop products with enhanced color fastness and specific spectral characteristics.

Application

• Textile Dye Synthesis: A key intermediate for producing high-grade, wash-fast azo dyes for natural and synthetic fibers.
• Inkjet and Printing Ink Formulation: Used in the manufacture of specialized pigments for high-resolution inks requiring precise color matching and stability.
• Functional Dye Production: Serves as a precursor for dyes used in non-textile applications, such as color filters or laser dyes.
• Research & Development: Employed in chemical R&D for studying azo coupling reactions and developing novel chromophores with specific properties.
• Specialty Pigment Manufacturing: Integral to creating complex, multi-azo pigments for coatings and plastics that demand high durability.

Basic Information

Item	Detail
Product Name	4-Amino-6-[[4-[[4-[(2,4-Dihydroxyphenyl)Azo]Phenyl]Thio]Phenyl]Azo]-5-Hydroxy-3-[(4-Nitrophenyl)Azo]Naphthalene-2,7-Disulphonic Acid, Sodium Salt
CAS No.	84878-16-0
Molecular Formula	C40H24N8O11S3Na2 (or related hydrate/salt form)
Molecular Weight	Contact for details
Synonyms	Acid Black 210 (C.I. 300310); Sodium 4-amino-6-{[4-({4-[(2,4-dihydroxyphenyl)diazenyl]phenyl}sulfanyl)phenyl]diazenyl}-5-hydroxy-3-[(4-nitrophenyl)diazenyl]naphthalene-2,7-disulfonate; Reactive Black 5 related intermediate; Azo dye intermediate 84878-16-0; Disodium 4-amino-6-[[4-[[4-[(2,4-dihydroxyphenyl)azo]phenyl]thio]phenyl]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 stringent quality control protocols to ensure batch-to-batch consistency and purity. Quality is verified through analytical techniques including HPLC, UV-Vis spectroscopy, and elemental analysis. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles 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 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 performance and stability.

Specification

Item	Specification
Appearance	Dark colored powder or solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95% (Technical Grade)
Moisture Content	≤ 5.0%
Ash Content	Contact for details
Heavy Metals	≤ 20 ppm

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