Description

7-[(4-Amino-2-Methoxy-5-Methylphenyl)Azo]Naphthalene-1,3-Disulphonic Acid is a high-purity azo dye intermediate, essential for synthesizing vibrant and stable colorants. Its value lies in its precise molecular structure, which provides excellent chromophore properties for creating specific shades with strong light and wash fastness. This compound is a critical raw material for manufacturers in the dye and pigment industries, particularly for producing specialized azo dyes used in textiles, inks, and advanced materials.

Application

• Primary Intermediate for Azo Dyes: Serves as a key building block in the synthesis of high-performance acid dyes and direct dyes for textiles like wool, silk, and nylon.
• Specialty Pigment Manufacturing: Used in the production of pigments for inks, including printing inks and packaging inks, requiring specific color values and stability.
• Functional Dyes for Advanced Materials: Employed in the development of dyes for non-textile applications, such as colorants for plastics, coatings, and specialty papers.
• Research & Development: Utilized in chemical R&D laboratories for creating novel dye molecules and studying structure-property relationships in color chemistry.
• Fine Chemical Synthesis: Acts as a sulfonated aromatic intermediate in multi-step organic syntheses for more complex chemical entities.

Basic Information

Product Name	7-[(4-Amino-2-Methoxy-5-Methylphenyl)Azo]Naphthalene-1,3-Disulphonic Acid
CAS No.	65168-14-1
Molecular Formula	C18H16N4O7S2
Molecular Weight	464.47 g/mol
Synonyms	7-[(4-Amino-2-methoxy-5-methylphenyl)diazenyl]naphthalene-1,3-disulfonic acid; 1,3-Naphthalenedisulfonic acid, 7-[(4-amino-2-methoxy-5-methylphenyl)azo]-; Acid Dye Intermediate 65168-14-1; Azo Dye Intermediate CAS 65168-14-1; 4-Amino-2-methoxy-5-methylazobenzene-2',4'-disulfonic acid; 7-(4-Amino-2-methoxy-5-methylphenylazo)-1,3-naphthalenedisulfonic acid
EINECS	Contact for details

Quality Control

Our production of 7-[(4-Amino-2-Methoxy-5-Methylphenyl)Azo]Naphthalene-1,3-Disulphonic Acid 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. Certificates of Analysis (COA) detailing all critical parameters are provided to guarantee traceability and product integrity 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). Keep away from strong oxidizing agents and incompatible materials. The container should be kept tightly sealed to protect from moisture absorption.

Specification

Item	Specification
Appearance	Dark brown to reddish-brown powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	Min. 95%
Water Content	Max. 2.0%
Sulfated Ash	Max. 0.5%
Heavy Metals (as Pb)	Max. 20 ppm

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