Description

Disodium 5-[[4'-[[2,6-Diamino-3-Methyl-5-[(4-Sulphonatophenyl)Azo]Phenyl]Azo][1,1'-Biphenyl]-4-Yl]Azo]Salicylate is a high-purity, water-soluble azo dye intermediate of significant commercial importance. Its complex molecular structure provides excellent chromophoric properties, making it a critical precursor for synthesizing specialized dyes and pigments. This compound is essential for manufacturers in the textile, ink, and specialty chemical industries seeking to produce vivid and stable colorants.

Application

• Primary Intermediate for Azo Dyes: Key building block for the synthesis of high-performance, water-soluble azo dyes used in textile dyeing and printing.
• Specialty Ink Formulations: Used in the production of inks for jet printing, packaging, and security applications requiring specific color fastness and solubility.
• Pigment Manufacturing: Serves as a precursor in the creation of lake pigments and other colorants for plastics and coatings.
• Research & Development: Employed in chemical research for developing novel chromophores and studying azo coupling reactions.
• Biological Staining: Potential use as an intermediate for histochemical stains and diagnostic reagents in life sciences.

Basic Information

Product Name	Disodium 5-[[4'-[[2,6-Diamino-3-Methyl-5-[(4-Sulphonatophenyl)Azo]Phenyl]Azo][1,1'-Biphenyl]-4-Yl]Azo]Salicylate
CAS No.	2586-58-5
Molecular Formula	C32H24N8Na2O7S
Molecular Weight	710.64 g/mol
Synonyms	Disodium 5-[(4'-{[2,6-diamino-3-methyl-5-[(4-sulfophenyl)diazenyl]phenyl]diazenyl}[1,1'-biphenyl]-4-yl)diazenyl]-2-hydroxybenzoate; C.I. 27290; Acid Black 107; Azo Black; 5-[[4'-[[2,6-Diamino-3-methyl-5-[(4-sulfophenyl)azo]phenyl]azo][1,1'-biphenyl]-4-yl]azo]salicylic acid, disodium salt; Salicylic acid, 5-[[4'-[[2,6-diamino-3-methyl-5-[(4-sulfophenyl)azo]phenyl]azo][1,1'-biphenyl]-4-yl]azo]-, disodium salt
EINECS	219-978-7

Quality Control

Our Disodium 5-[[4'-[[2,6-Diamino-3-Methyl-5-[(4-Sulphonatophenyl)Azo]Phenyl]Azo][1,1'-Biphenyl]-4-Yl]Azo]Salicylate is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing to ensure high purity, consistent performance, and compliance with customer specifications. A detailed Certificate of Analysis (COA) documenting identity, purity, and impurity profiles is provided with each shipment.

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 heat sources and incompatible materials. Due to its light-sensitive nature, prolonged exposure to direct light should be avoided to maintain product integrity.

Specification

Item	Specification
Appearance	Dark brown to black powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content	≤ 5.0%
Solubility (in Water)	Freely soluble
Heavy Metals (as Pb)	≤ 20 ppm
Residue on Ignition	≤ 1.0%

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