Description

6-Amino-5-[[4-Chloro-2-(Trifluoromethyl)Phenyl]Azo]-4-Hydroxynaphthalene-2-Sulphonic Acid is a specialized azo dye intermediate characterized by its naphthalene sulphonic acid backbone and a substituted phenylazo group. This compound matters for its role in synthesizing high-performance, colorfast dyes and pigments, particularly those requiring specific shades of red, violet, or blue with enhanced light and wash fastness properties. It is primarily needed by manufacturers in the textile, ink, and specialty coatings industries seeking to produce advanced colorants for synthetic fibers and other demanding applications.

Application

• Primary Intermediate for Azo Dyes: Serves as a key building block in the synthesis of acid dyes and direct dyes for coloring polyamide (nylon) and protein-based fibers like wool and silk.
• Pigment Manufacturing: Used in the production of high-performance organic pigments for inks, including printing inks and inkjet formulations, due to its potential for bright, stable colors.
• Textile Dyeing: Imparts specific color shades with good fastness properties in textile dyeing and printing processes.
• Specialty Coatings: Finds application in the formulation of specialty paints and coatings where specific color properties and chemical resistance are required.
• Research & Development: Utilized in chemical research labs for developing novel chromophores and studying structure-property relationships in dye chemistry.

Basic Information

Product Name	6-Amino-5-[[4-Chloro-2-(Trifluoromethyl)Phenyl]Azo]-4-Hydroxynaphthalene-2-Sulphonic Acid
CAS No.	3836-78-0
Molecular Formula	C₁₇H₁₀ClF₃N₄O₄S
Molecular Weight	458.80 g/mol
Synonyms	6-Amino-5-[(4-chloro-2-(trifluoromethyl)phenyl)azo]-4-hydroxy-2-naphthalenesulfonic acid; C.I. Acid Red 407; 2-Naphthalenesulfonic acid, 6-amino-5-[(4-chloro-2-(trifluoromethyl)phenyl)azo]-4-hydroxy-; 6-Amino-4-hydroxy-5-[(4-chloro-2-(trifluoromethyl)phenyl)azo]naphthalene-2-sulfonic acid; Acid Red 407; Azo dye intermediate AR407; 5-[(4-Chloro-2-(trifluoromethyl)phenyl)azo]-6-amino-4-hydroxynaphthalene-2-sulfonic acid
EINECS	223-334-5

Quality Control

Our production of 6-Amino-5-[[4-Chloro-2-(Trifluoromethyl)Phenyl]Azo]-4-Hydroxynaphthalene-2-Sulphonic Acid adheres to stringent quality management protocols. Each batch undergoes rigorous analytical testing to ensure consistent purity, color strength, and impurity profile suitable for high-end dye synthesis. Certificates of Analysis (COA) detailing key specifications such as assay, identity, and related substances are provided with every shipment to guarantee traceability and compliance with your technical requirements.

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 prevent moisture absorption, which can affect product quality and handling. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Dark red to violet powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Sulfated Ash	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm
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.