Description

Sodium 3-[[2-Hydroxy-3-[(4-Methoxy-o-Tolyl)Carbamoyl]-1-Naphthyl]Azo]-4-Methoxybenzenesulphonate is a high-purity, synthetic azo dye intermediate of significant commercial importance. This compound is valued for its precise molecular structure, which imparts specific colorant properties and reactivity essential for advanced manufacturing processes. It is primarily required by producers in the specialty dyes and pigments industry, as well as by research and development laboratories focusing on novel color applications.

Application

• Key intermediate in the synthesis of high-performance azo dyes and pigments for textiles and inks.
• Precursor for specialized colorants used in non-textile applications, such as coatings and plastics.
• Research chemical for developing novel chromophores with specific light-fastness and solubility properties.
• Potential use in the formulation of specialized analytical reagents and indicators in laboratory settings.
• Component in the development of functional dyes for digital printing and imaging technologies.

Basic Information

Product Name	Sodium 3-[[2-Hydroxy-3-[(4-Methoxy-o-Tolyl)Carbamoyl]-1-Naphthyl]Azo]-4-Methoxybenzenesulphonate
CAS No.	25047-71-6
Molecular Formula	C26H21N3NaO7S
Molecular Weight	542.51 g/mol
Synonyms	Benzenesulfonic acid, 3-[[2-hydroxy-3-[(4-methoxy-2-methylphenyl)carbamoyl]-1-naphthalenyl]azo]-4-methoxy-, sodium salt; C.I. 26050; Sodium 3-[[2-hydroxy-3-[(4-methoxy-2-methylphenyl)carbamoyl]-1-naphthyl]azo]-4-methoxybenzenesulfonate; 4-Methoxy-3-[[2-hydroxy-3-[(4-methoxy-2-methylphenyl)carbamoyl]-1-naphthyl]azo]benzenesulfonic acid sodium salt; Azo dye intermediate 25047-71-6.
EINECS	Contact for details

Quality Control

Our Sodium 3-[[2-Hydroxy-3-[(4-Methoxy-o-Tolyl)Carbamoyl]-1-Naphthyl]Azo]-4-Methoxybenzenesulphonate is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets exacting specifications for use as a dye intermediate. A detailed Certificate of Analysis (COA) is provided with each shipment, guaranteeing traceability and consistent quality for your production processes.

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 (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Reddish-brown to dark brown powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0%
Heavy Metals (as Pb)	≤ 20 ppm
Residual Solvents (GC)	Meets ICH guidelines

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