Description

Sodium 6-Amino-5-[[2-[(Ethylphenylamino)Sulphonyl]Phenyl]Azo]Naphthalene-2-Sulphonate is a high-purity, synthetic organic chemical compound belonging to the azo dye and dye intermediate class. This product is valued for its consistent quality and performance as a key intermediate in the synthesis of specialized dyes and pigments. It is primarily required by manufacturers in the textile, ink, and specialty chemical industries seeking reliable intermediates for colorant production.

Application

• Primary Intermediate for Azo Dyes: Serves as a crucial building block in the synthesis of complex, high-performance azo dyes used in textile coloring.
• Specialty Pigment Manufacturing: Used in the production of pigments for inks, coatings, and plastics where specific color fastness and stability are required.
• Research & Development: Employed in chemical R&D laboratories for developing new chromophores and functional dyes with novel properties.
• Analytical Reagent: Can be utilized as a standard or reagent in analytical chemistry for method development and calibration.

Basic Information

Product Name	Sodium 6-Amino-5-[[2-[(Ethylphenylamino)Sulphonyl]Phenyl]Azo]Naphthalene-2-Sulphonate
CAS No.	85455-39-6
Molecular Formula	C24H19N4NaO5S2
Molecular Weight	546.55 g/mol
Synonyms	6-Amino-5-[[2-[(ethylphenylamino)sulfonyl]phenyl]azo]-2-naphthalenesulfonic acid sodium salt; C.I. Acid Red 337; Sodium 6-amino-5-[(2-[(N-ethylphenylamino)sulfonyl]phenyl)azo]naphthalene-2-sulfonate; Acid Red 337; Azo dye intermediate 85455-39-6; 2-Naphthalenesulfonic acid, 6-amino-5-[[2-[(ethylphenylamino)sulfonyl]phenyl]azo]-, sodium salt
EINECS	Contact for details

Quality Control

Our production of Sodium 6-Amino-5-[[2-[(Ethylphenylamino)Sulphonyl]Phenyl]Azo]Naphthalene-2-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. A detailed Certificate of Analysis (COA) is provided with each shipment to guarantee traceability and quality assurance.

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 to prevent absorption of atmospheric moisture, which can affect product quality and handling properties.

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

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