Description

Sodium 5-[[4-Acetamido-2-(trifluoromethyl)phenyl]azo]-6-amino-4-hydroxynaphthalene-2-sulphonate is a high-purity, synthetic azo dye intermediate of significant commercial importance. This compound is valued for its role in producing specialized, high-performance colorants with enhanced light and chemical stability. It is primarily required by manufacturers in the dyes and pigments, specialty chemical, and advanced material sectors for creating products with specific chromatic and functional properties.

Application

• Primary Intermediate for High-Performance Dyes: A key building block in the synthesis of specialized azo dyes for textiles, inks, and coatings.
• Functional Dye Synthesis: Used in the production of dyes for liquid crystal displays (LCDs), optical data storage, and other electronic applications.
• Pigment Manufacturing: Serves as a precursor for organic pigments used in plastics, automotive paints, and industrial finishes.
• Research & Development: Employed in academic and industrial R&D labs for developing novel chromophores and studying structure-property relationships.
• Specialty Chemical Production: Utilized as an intermediate for creating complex molecules with specific azo-linked architectures.

Basic Information

Product Name	Sodium 5-[[4-Acetamido-2-(trifluoromethyl)phenyl]azo]-6-amino-4-hydroxynaphthalene-2-sulphonate
CAS No.	75198-93-5
Molecular Formula	C19H13F3N4NaO5S
Molecular Weight	495.38 g/mol
Synonyms	5-[[4-Acetamido-2-(trifluoromethyl)phenyl]azo]-6-amino-4-hydroxy-2-naphthalenesulfonic acid sodium salt; C.I. Acid Orange 156; Sodium 6-amino-4-hydroxy-5-[[4-(acetylamino)-2-(trifluoromethyl)phenyl]azo]-2-naphthalenesulfonate; Acid Orange 156; Azo dye intermediate 75198-93-5; 2-Naphthalenesulfonic acid, 6-amino-4-hydroxy-5-[[4-(acetylamino)-2-(trifluoromethyl)phenyl]azo]-, monosodium salt
EINECS	Contact for details

Quality Control

Our production of this azo dye intermediate adheres to strict quality control protocols to ensure batch-to-batch consistency and high purity. The material is characterized using advanced analytical techniques including HPLC, NMR, and mass spectrometry. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory needs.

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	Orange to red-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.