Description

Disodium 7-[(3-Aminobenzoyl)Amino]-4-Hydroxy-3-[[2-Methyl-4-[(2-Methyl-4-Sulphonatophenyl)Azo]Phenyl]Azo]Naphthalene-2-Sulphonate is a high-purity, water-soluble azo dye intermediate of significant commercial importance. This compound is valued for its role in synthesizing vibrant and stable dyes and pigments, particularly in the textile and specialty ink industries. It is primarily sought after by manufacturers in the dye and pigment production, advanced material research, and analytical reagent sectors.

Application

• Primary Intermediate for Azo Dyes: A key building block in the synthesis of high-performance, water-soluble azo dyes for textiles, leather, and paper.
• Specialty Pigment Manufacturing: Used in the production of pigments for inks, coatings, and plastics requiring specific color fastness and solubility properties.
• Research & Development: Serves as a critical reagent in chemical research for developing new chromophores and functional dyes.
• Analytical Chemistry: Can be utilized as a colorimetric indicator or a standard in analytical methods due to its defined structure.
• Functional Material Synthesis: Potential use in creating dyes for sensitized solar cells or other optoelectronic applications.

Basic Information

Product Name	Disodium 7-[(3-Aminobenzoyl)Amino]-4-Hydroxy-3-[[2-Methyl-4-[(2-Methyl-4-Sulphonatophenyl)Azo]Phenyl]Azo]Naphthalene-2-Sulphonate
CAS No.	5938-84-1
Molecular Formula	C31H23N5Na2O8S2
Molecular Weight	711.65 g/mol
Synonyms	Acid Red 299; C.I. 18130; Disodium 7-[(3-aminobenzoyl)amino]-4-hydroxy-3-[[2-methyl-4-[(2-methyl-4-sulfonatophenyl)diazenyl]phenyl]diazenyl]naphthalene-2-sulfonate; 7-[(3-Aminobenzoyl)Amino]-4-Hydroxy-3-[[2-Methyl-4-[(2-Methyl-4-Sulphonatophenyl)Azo]Phenyl]Azo]-2-Naphthalenesulfonic Acid Disodium Salt; 2-Naphthalenesulfonic acid, 7-[(3-aminobenzoyl)amino]-4-hydroxy-3-[[2-methyl-4-[(2-methyl-4-sulfophenyl)azo]phenyl]azo]-, disodium salt; C.I. Acid Red 299; Azo Dye Intermediate 5938-84-1
EINECS	227-689-6

Quality Control

Our production of Disodium 7-[(3-Aminobenzoyl)Amino]-4-Hydroxy-3-[[2-Methyl-4-[(2-Methyl-4-Sulphonatophenyl)Azo]Phenyl]Azo]Naphthalene-2-Sulphonate adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure consistency and meet precise customer specifications. Certificates of Analysis (COA) detailing all critical parameters are provided with every shipment.

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 stability and performance.

Specification

Item	Specification
Appearance	Reddish-brown to dark brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 5.0%
Heavy Metals (as Pb)	≤ 20 ppm
Solubility (in Water)	Clear solution

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