Description

6-Amino-5-[[2-(Trifluoromethyl)Phenyl]Azo]-2-Naphthalenesulfonic Acid Sodium Salt is a specialized azo dye intermediate and organic chemical building block. This compound matters for its role in synthesizing high-value, colorfast pigments and dyes, particularly those requiring specific lightfastness and chemical resistance properties. Industries that need it include manufacturers of advanced pigments, functional dyes for textiles and plastics, and research laboratories developing novel chromophores or analytical reagents.

Application

• Primary Intermediate for Azo Pigments & Dyes: A key precursor in the synthesis of high-performance, complex azo pigments, especially those containing trifluoromethyl groups for enhanced properties.
• Textile Dye Manufacturing: Used in the production of specialized dyes for synthetic fibers, where the sulfonic acid group provides water solubility and the azo linkage offers a broad color range.
• Functional Dyes for Plastics & Polymers: Serves as a building block for colorants used in engineering plastics, films, and coatings that require stability and specific interaction with polymer matrices.
• Research & Development of Chromophores: Employed in academic and industrial R&D for creating new dye molecules with tailored optical, electronic, or biological activities.
• Analytical Chemistry Reagent: Potential use as a staining agent or a complexometric indicator in specific analytical methodologies due to its color-changing azo group.
• Specialty Ink Formulations: Can be utilized in developing inks for niche applications requiring specific chemical resistance or spectral characteristics.

Basic Information

Product Name	6-Amino-5-[[2-(Trifluoromethyl)Phenyl]Azo]-2-Naphthalenesulfonic Acid Sodium Salt
CAS No.	72207-97-7
Molecular Formula	C17H11F3N3NaO3S
Molecular Weight	417.34 g/mol
Synonyms	6-Amino-5-[(2-trifluoromethylphenyl)azo]-2-naphthalenesulfonic acid sodium salt; Sodium 6-amino-5-[(2-trifluoromethylphenyl)azo]naphthalene-2-sulfonate; Acid Red 337 (C.I. 17200); C.I. Acid Red 337; Azoic Diazo Component 37 (related base); 5-[(2-Trifluoromethylphenyl)azo]-6-amino-2-naphthalenesulfonic acid sodium salt; 2-Naphthalenesulfonic acid, 6-amino-5-[(2-(trifluoromethyl)phenyl)azo]-, sodium salt (1:1)
EINECS	Contact for details

Quality Control

Our production of 6-Amino-5-[[2-(Trifluoromethyl)Phenyl]Azo]-2-Naphthalenesulfonic Acid Sodium Salt adheres to stringent quality management protocols. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure consistency and compliance with customer specifications. A comprehensive Certificate of Analysis (COA) detailing assay, impurity profile, and physical characteristics is provided with each shipment to guarantee traceability and quality assurance for your manufacturing 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 each use to prevent absorption of atmospheric moisture, which can affect product quality and handling properties.

Specification

Item	Specification
Appearance	Reddish-brown to dark brown powder or crystalline 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
Water Solubility	Freely soluble

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