Description

3-[[2-(Acetylamino)-4-Aminophenyl]Azo]Naphthalene-1,5-Disulphonic Acid is a high-purity, synthetic azo dye intermediate of significant commercial importance. Its primary value lies in its role as a key precursor for producing vibrant and stable dyes and pigments, particularly for textiles and specialty applications. This compound is essential for manufacturers and R&D laboratories in the dye, pigment, and fine chemical industries seeking reliable intermediates for colorant synthesis.

Application

• Primary Intermediate for Azo Dyes & Pigments: Serves as a crucial building block in the synthesis of acid dyes, direct dyes, and other azo-based colorants.
• Textile Dyeing: Used in the production of dyes for coloring natural and synthetic fibers, including wool, silk, and nylon.
• Specialty Colorants: Employed in the manufacture of pigments for inks, coatings, and plastics where specific color properties are required.
• Research & Development: A valuable compound for chemical research, particularly in developing new chromophores and studying dye chemistry.
• Biological Staining: Potential use as an intermediate for histochemical stains and biological markers in laboratory settings.

Basic Information

Product Name	3-[[2-(Acetylamino)-4-Aminophenyl]Azo]Naphthalene-1,5-Disulphonic Acid
CAS No.	117-88-4
Molecular Formula	C18H16N4O7S2
Molecular Weight	464.47 g/mol
Synonyms	Acid Orange 63; C.I. 22870; 1,5-Naphthalenedisulfonic acid, 3-[[2-(acetylamino)-4-aminophenyl]azo]-; 3-[(2-Acetamido-4-aminophenyl)azo]naphthalene-1,5-disulfonic acid; 3-[(2-Acetylamino-4-aminophenyl)azo]-1,5-naphthalenedisulfonic acid; 3-[(2-Acetamido-4-aminophenyl)diazenyl]naphthalene-1,5-disulfonic acid; 3-[(2-Acetylamino-4-aminophenyl)diazenyl]-1,5-naphthalenedisulfonic acid
EINECS	204-218-6

Quality Control

Our 3-[[2-(Acetylamino)-4-Aminophenyl]Azo]Naphthalene-1,5-Disulphonic Acid is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing to ensure it meets precise specifications for purity, color strength, and impurity profiles. A comprehensive Certificate of Analysis (COA) detailing assay, identification, and related substances is provided with every shipment to guarantee traceability and compliance with your quality standards.

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.

Specification

Item	Specification
Appearance	Dark brown to reddish-brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Sulfated Ash	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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