Description

6-Amino-4-Hydroxy-5-[[2-(Trifluoromethyl)Phenyl]Azo]Naphthalene-2-Sulphonic Acid is a specialized azo dye intermediate characterized by its naphthalene sulphonic acid backbone and a trifluoromethyl-substituted phenylazo group. This compound matters for its role in synthesizing high-performance dyes and pigments that require enhanced lightfastness, chemical resistance, and specific color properties. It is primarily needed by manufacturers in the dye and pigment industry, as well as researchers developing advanced materials for textiles, inks, and functional coatings.

Application

• Key intermediate for the synthesis of azo dyes and pigments, particularly those requiring orange to red shades.
• Production of specialty dyes for textile fibers including nylon, silk, and wool.
• Manufacturing of high-performance pigments (HPPs) for automotive and industrial coatings.
• Raw material for functional dyes used in inkjet inks and digital printing.
• Research and development of optical materials and light-absorbing compounds.
• Potential use in the synthesis of colorants for plastics and polymer masterbatches.

Basic Information

Product Name	6-Amino-4-Hydroxy-5-[[2-(Trifluoromethyl)Phenyl]Azo]Naphthalene-2-Sulphonic Acid
CAS No.	37078-97-0
Molecular Formula	C₁₇H₁₁F₃N₄O₄S
Molecular Weight	424.35 g/mol
Synonyms	6-Amino-4-hydroxy-5-[(2-trifluoromethylphenyl)azo]naphthalene-2-sulfonic acid; 6-Amino-4-hydroxy-5-[(2-trifluoromethylphenyl)diazenyl]naphthalene-2-sulfonic acid; 2-Naphthalenesulfonic acid, 6-amino-4-hydroxy-5-[(2-(trifluoromethyl)phenyl)azo]-; C.I. 37078; Azo dye intermediate 37078-97-0; 5-[(2-Trifluoromethylphenyl)azo]-6-amino-4-hydroxynaphthalene-2-sulfonic acid
EINECS	Contact for details

Quality Control

Our production of 6-Amino-4-Hydroxy-5-[[2-(Trifluoromethyl)Phenyl]Azo]Naphthalene-2-Sulphonic Acid adheres to stringent quality management protocols to ensure batch-to-batch consistency and purity. The product undergoes rigorous analytical testing, including HPLC for assay and impurity profiling, to meet precise customer specifications. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and related substances is provided with each shipment to support your quality assurance 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 nature, the container must be kept tightly sealed to minimize exposure to atmospheric moisture. Keep away from incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	Orange to red-brown powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 5.0%
Related Substances (HPLC)	Total impurities ≤ 3.0%
Solubility	Soluble in alkaline aqueous solutions

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