Description

7-[(4-Aminobenzoyl)amino]-4-hydroxy-3-[[4-[[8-hydroxy-7-[(2,4-dimethylphenyl)azo]-6-sodiosulfo-2-naphthalenyl]aminocarbonyl]phenyl]azo]naphthalene-2-sulfonic acid sodium salt is a high-purity, complex azo dye intermediate of significant industrial importance. This compound is valued for its role in synthesizing specialized dyes and pigments with specific coloristic and fastness properties. It is primarily required by manufacturers in the textile, ink, and specialty coatings industries seeking to develop high-performance colorants.

Application

This advanced azo dye intermediate serves as a critical building block in the production of sophisticated colorants. Its primary and related applications include:

• Textile Dye Synthesis: A key precursor for manufacturing high-grade, wash-fast and light-fast dyes for natural and synthetic fibers.
• Industrial Pigment Production: Used in the synthesis of organic pigments for plastics, masterbatches, and industrial coatings.
• Ink Formulations: Employed in the development of specialized printing inks, including those for packaging and security applications.
• Functional Dyes: Potential intermediate for dyes used in non-textile applications such as lasers, optical data storage, or as biological stains.
• Research & Development: Serves as a valuable compound for chemical research and the development of novel chromophores with specific properties.

Basic Information

Product Name	7-[(4-Aminobenzoyl)amino]-4-hydroxy-3-[[4-[[8-hydroxy-7-[(2,4-dimethylphenyl)azo]-6-sodiosulfo-2-naphthalenyl]aminocarbonyl]phenyl]azo]naphthalene-2-sulfonic acid sodium salt
CAS No.	5914-63-6
Molecular Formula	C42H30N6Na2O10S2
Molecular Weight	912.82 g/mol
Synonyms	Acid Red 299; C.I. 18130; Sodium 7-[(4-aminobenzoyl)amino]-4-hydroxy-3-[[4-[[8-hydroxy-7-[(2,4-dimethylphenyl)azo]-6-sulfo-2-naphthoyl]amino]phenyl]azo]naphthalene-2-sulfonate; 7-[(4-Aminobenzoyl)amino]-4-hydroxy-3-[[4-[[8-hydroxy-7-[(2,4-dimethylphenyl)azo]-6-sulfo-2-naphthoyl]amino]phenyl]azo]-2-naphthalenesulfonic acid disodium salt; C.I. Acid Red 299; Azo dye intermediate 5914-63-6.
EINECS	227-637-6

Quality Control

Our production of this dye intermediate adheres to stringent quality control protocols to ensure batch-to-batch consistency and purity for downstream synthesis. Quality is verified through advanced analytical techniques including HPLC, UV-Vis spectroscopy, and elemental analysis. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to support your quality assurance processes.

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). This product is hygroscopic (moisture-sensitive); the container must be kept tightly sealed to prevent absorption of atmospheric moisture, which can affect product quality and handling properties.

Specification

Item	Specification
Appearance	Dark red to brown powder
Identification (HPLC/UV-Vis)	Conforms to reference standard
Assay (HPLC)	≥ 95.0%
Moisture Content (KF)	≤ 5.0%
Solubility (1% in Water)	Complete, clear solution
Heavy Metals (as Pb)	≤ 20 ppm

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