Description

Sodium 3-[[4-(Benzoylethylamino)-2-Methylphenyl]Azo]-4-Hydroxynaphthalene-1-Sulphonate is a high-purity azo dye intermediate and specialty chemical compound. It is valued for its precise molecular structure, which provides consistent colorant properties and reactivity in advanced synthesis processes. This product is essential for manufacturers in the dye and pigment industries, as well as for research institutions developing novel functional materials.

Application

• Primary intermediate for the synthesis of high-performance azo dyes and pigments.
• Key component in the production of specialized colorants for inks and toners used in digital and industrial printing.
• Used in the manufacturing of colorants for plastics and synthetic fibers to ensure color fastness.
• Employed in research and development of functional dyes for non-textile applications, such as sensors or optical media.
• Acts as a chemical building block in organic synthesis for pharmaceuticals and agrochemicals where specific chromophores are required.
• Potential use in the formulation of specialized laboratory reagents and stains.

Basic Information

Product Name	Sodium 3-[[4-(Benzoylethylamino)-2-Methylphenyl]Azo]-4-Hydroxynaphthalene-1-Sulphonate
CAS No.	6245-59-6
Molecular Formula	C26H23N4NaO5S
Molecular Weight	526.54 g/mol
Synonyms	Benzenesulfonic acid, 2-[[4-[(2-benzoylethyl)amino]-2-methylphenyl]azo]-1-hydroxy-, sodium salt; C.I. 26125; Sodium 2-[[4-[(2-benzoylethyl)amino]-2-methylphenyl]azo]-1-hydroxybenzenesulfonate; 1-Hydroxy-2-[[4-[(2-benzoylethyl)amino]-2-methylphenyl]azo]benzenesulfonic acid sodium salt; 6245-59-6; Azo dye intermediate 6245-59-6; C.I. Solvent Red 49 (related); Acid Red (related structure)
EINECS	228-380-5

Quality Control

Our production of Sodium 3-[[4-(Benzoylethylamino)-2-Methylphenyl]Azo]-4-Hydroxynaphthalene-1-Sulphonate adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise customer specifications and industry standards. Certificates of Analysis (COA) documenting all critical parameters are available upon request to support 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 a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after each use to prevent degradation from atmospheric moisture.

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
Residual Solvents (GC)	Meets ICH guidelines
pH (1% Solution)	6.0 - 8.0

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