Description

Sodium 2-[4-Hydroxy-3-[[2-Hydroxy-3-[(Phenylamino)Carbonyl]-1-Naphthyl]Azo]Benzoyl]Benzoate is a high-purity, water-soluble azo dye intermediate with a complex, functionalized molecular structure. This compound matters for its role as a critical precursor in synthesizing specialized dyes and pigments, offering excellent color fastness and stability in demanding applications. It is primarily needed by manufacturers in the textile, ink, and specialty chemical industries seeking to produce high-performance colorants.

Application

• Textile Dyeing: As a key intermediate for the synthesis of reactive and direct dyes for cotton, wool, and synthetic fibers.
• Ink Manufacturing: Used in the production of high-quality pigments for industrial printing inks and toners.
• Specialty Pigments: Serves as a building block for creating complex organic pigments with specific hue and durability requirements.
• Research & Development: Employed in chemical research for developing novel chromophores and functional dyes.
• Analytical Reagents: Potential use as a colorimetric indicator or reagent in specific analytical chemistry applications.
• Functional Material Synthesis: Can be utilized in the development of dyes for non-textile uses, such as in optical data storage or sensor technologies.

Basic Information

Product Name	Sodium 2-[4-Hydroxy-3-[[2-Hydroxy-3-[(Phenylamino)Carbonyl]-1-Naphthyl]Azo]Benzoyl]Benzoate
CAS No.	85204-11-1
Molecular Formula	C31H20N3NaO7
Molecular Weight	581.50 g/mol
Synonyms	Benzoic acid, 2-[4-hydroxy-3-[[2-hydroxy-3-[(phenylamino)carbonyl]-1-naphthalenyl]azo]benzoyl]-, sodium salt; C.I. Pigment Red 269; Sodium 2-(4-hydroxy-3-((2-hydroxy-3-(phenylcarbamoyl)naphthalen-1-yl)diazenyl)benzoyl)benzoate; 1-Naphthalenecarboxamide, N-phenyl-3-[(2-carboxy-4-hydroxyphenyl)azo]-2-hydroxy-, sodium salt; Azo dye intermediate 85204-11-1; PR269; Pigment Red 269 sodium salt
EINECS	Contact for details

Quality Control

Our Sodium 2-[4-Hydroxy-3-[[2-Hydroxy-3-[(Phenylamino)Carbonyl]-1-Naphthyl]Azo]Benzoyl]Benzoate is produced under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure high purity, consistent composition, and batch-to-batch reliability. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request to support your quality assurance protocols.

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 performance and stability.

Specification

Item	Specification
Appearance	Reddish-brown to dark brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 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.