Description

5-[[2,4-Dihydroxy-5-[(2-Hydroxy-4,6-Dinitrophenyl)Azo]Phenyl]Azo]-4-Hydroxy-3-[(4-Nitrophenyl)Azo]-2,7-Naphthalenedisulfonic Acid Disodium Salt is a high-purity, multi-functional azo dye intermediate and analytical reagent. This compound is valued for its precise chromophoric structure, which provides excellent colorant properties and reactivity for specialized chemical synthesis. It is primarily utilized by manufacturers in the dye and pigment industries, as well as by research laboratories for analytical and diagnostic applications.

Application

• Dye and Pigment Synthesis: A key intermediate for producing high-performance, complex azo dyes and pigments used in textiles, inks, and coatings.
• Analytical Chemistry Reagent: Employed as a chromogenic agent or complexometric indicator in various spectrophotometric and titrimetric analytical methods.
• Biological Staining: Potential use in the preparation of specialized stains for histological or cytological examination in life sciences.
• Chemical Research: Serves as a building block for synthesizing novel organic compounds and materials in academic and industrial R&D.
• Specialty Colorants: Used in the formulation of specialized colorants for non-textile applications, such as plastics or specialty papers.

Basic Information

Product Name	5-[[2,4-Dihydroxy-5-[(2-Hydroxy-4,6-Dinitrophenyl)Azo]Phenyl]Azo]-4-Hydroxy-3-[(4-Nitrophenyl)Azo]-2,7-Naphthalenedisulfonic Acid Disodium Salt
CAS No.	63589-11-7
Molecular Formula	C28H14N8O16S2•2Na
Molecular Weight	Contact for details
Synonyms	Acid Black 210; C.I. 300310; Disodium 5-[[2,4-dihydroxy-5-[(2-hydroxy-4,6-dinitrophenyl)azo]phenyl]azo]-4-hydroxy-3-[(4-nitrophenyl)azo]naphthalene-2,7-disulphonate; 2,7-Naphthalenedisulfonic acid, 5-[[2,4-dihydroxy-5-[(2-hydroxy-4,6-dinitrophenyl)azo]phenyl]azo]-4-hydroxy-3-[(4-nitrophenyl)azo]-, disodium salt; Azo Dye Intermediate 63589-11-7; Trisazo Dye Intermediate
EINECS	Contact for details

Quality Control

Our 5-[[2,4-Dihydroxy-5-[(2-Hydroxy-4,6-Dinitrophenyl)Azo]Phenyl]Azo]-4-Hydroxy-3-[(4-Nitrophenyl)Azo]-2,7-Naphthalenedisulfonic Acid Disodium Salt is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing key specifications are available upon request 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 room temperature (15-25°C). Keep away from incompatible materials such as strong oxidizing agents. Due to its light-sensitive nature, minimize exposure during handling and transfer.

Specification

Item	Specification
Appearance	Dark colored powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0%
Residue on Ignition (Sulfated Ash)	Contact for details
Heavy Metals (as Pb)	≤ 20 ppm

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