Description

3,3'-[Carbonylbis[Imino(5-Methoxy-2-Methyl-4,1-Phenylene)Azo]]Bis[5-[(3-Aminobenzoyl)Amino]-4-Methylbenzenesulfonic Acid Sodium] Salt is a high-purity, complex azo dye intermediate essential for synthesizing specialized colorants. Its precise molecular structure is critical for achieving specific color fastness, stability, and performance characteristics in demanding applications. This compound is primarily required by manufacturers in the specialty dyes and pigments, advanced materials, and research chemical sectors.

Application

• Synthesis of High-Performance Azo Dyes and Pigments: Serves as a key precursor for creating complex, light-fast, and chemically stable colorants.
• Specialty Textile Dye Manufacturing: Used in producing dyes for technical textiles requiring enhanced durability and specific color properties.
• Functional Dyes for Advanced Materials: Potential applications in the development of dyes for liquid crystal displays (LCDs), optical data storage, and non-linear optical materials.
• Research & Development: Employed in academic and industrial R&D labs for exploring novel chromophores and dye chemistry.
• Analytical Chemistry Reagent: May be used as a standard or reagent in chromatographic analysis and method development for dye-related compounds.

Basic Information

Product Name	3,3'-[Carbonylbis[Imino(5-Methoxy-2-Methyl-4,1-Phenylene)Azo]]Bis[5-[(3-Aminobenzoyl)Amino]-4-Methylbenzenesulfonic Acid Sodium] Salt
CAS No.	6420-36-6
Molecular Formula	C48H42N10Na2O12S2
Molecular Weight	1044.99 g/mol
Synonyms	Benzenesulfonic acid, 3,3'-[carbonylbis[imino(5-methoxy-2-methyl-4,1-phenylene)azo]]bis[5-[(3-aminobenzoyl)amino]-4-methyl-, sodium salt (1:2); C.I. 27755; Direct Fast Turquoise Blue GL; Pontamine Fast Turquoise 8GL; Sodium 3,3'-[carbonylbis[imino(5-methoxy-2-methyl-4,1-phenylene)azo]]bis[5-[(3-aminobenzoyl)amino]-4-methylbenzenesulfonate]; Direct Blue 86; Azo dye intermediate 6420-36-6
EINECS	229-178-2

Quality Control

Our production of this specialty intermediate adheres to stringent quality protocols. Every batch undergoes comprehensive analytical testing, including HPLC for purity, IR and UV-Vis for identification, and elemental analysis, to ensure consistency and compliance with customer specifications. A detailed Certificate of Analysis (COA) documenting all test results is provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); ensure the container is kept tightly sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Dark blue to blue-black powder or solid
Identification (IR)	Conforms to reference spectrum
Identification (UV-Vis)	Conforms to reference
Purity (HPLC)	≥ 95.0% (Area %)
Water Content (KF)	≤ 5.0%
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.