Description

3-[[2,4-Bis(2-Methylphenoxy)Phenyl]Azo]-4-Hydroxy-5-[[(p-Tolyl)Sulphonyl]Amino]Naphthalene-2,7-Disulphonic Acid is a high-purity, complex azo dye intermediate with significant industrial utility. This compound is valued for its precise molecular structure, which serves as a critical building block in the synthesis of specialized colorants and functional materials. It is primarily sought by manufacturers in the dyes and pigments, specialty chemicals, and advanced material research sectors for developing products with specific chromatic and performance properties.

Application

This specialized azo compound serves as a key intermediate in several high-value industrial processes. Its primary and related applications include:

• Synthesis of High-Performance Dyes and Pigments: As a core precursor for creating complex, light-fast azo dyes used in textiles, inks, and plastics.
• Functional Dye Manufacturing: Production of dyes for specialized applications such as liquid crystal displays (LCDs), optical data storage, and non-linear optical materials.
• Research & Development: Serving as a standard or building block in organic synthesis and material science research for novel chromophores.
• Analytical Chemistry: Potential use as a staining agent or chemical probe in specific analytical methodologies due to its chromophoric properties.
• Specialty Chemical Intermediate: Further chemical modification to produce surfactants or other functional chemicals containing sulphonic acid groups.

Basic Information

Product Name	3-[[2,4-Bis(2-Methylphenoxy)Phenyl]Azo]-4-Hydroxy-5-[[(p-Tolyl)Sulphonyl]Amino]Naphthalene-2,7-Disulphonic Acid
CAS No.	81241-67-0
Molecular Formula	C37H29N3O9S3
Molecular Weight	771.83 g/mol
Synonyms	Acid Red 486; C.I. 28215; 3-[[2,4-Bis(o-tolyloxy)phenyl]azo]-4-hydroxy-5-[(4-methylphenyl)sulfonyl]amino]-2,7-naphthalenedisulfonic acid; 5-[(4-Methylphenyl)sulfonyl]amino]-3-[[2,4-bis(2-methylphenoxy)phenyl]azo]-4-hydroxy-2,7-naphthalenedisulfonic acid; Azo dye intermediate 81241-67-0; 2,7-Naphthalenedisulfonic acid, 3-[[2,4-bis(2-methylphenoxy)phenyl]azo]-4-hydroxy-5-[(4-methylphenyl)sulfonyl]amino]-
EINECS	Contact for details

Quality Control

Our production of this advanced intermediate adheres to strict quality management protocols to ensure batch-to-batch consistency and purity. Each lot is characterized using advanced analytical techniques including HPLC, NMR, and mass spectrometry. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment, supporting your quality assurance and regulatory compliance 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). Keep away from strong acids and incompatible materials such as strong oxidizing agents. The container should be kept tightly sealed to protect the contents from moisture.

Specification

Item	Specification
Appearance	Dark red to brown powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Sulfated Ash	≤ 1.0%
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Total impurities ≤ 5.0%

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