Description

Disodium 6-(Acetylamino)-3-[[5-(Acetylamino)-2-Sulphonatophenyl]Azo]-4-Hydroxynaphthalene-2-Sulphonate is a high-purity, water-soluble azo dye intermediate of significant commercial importance. This compound is valued for its ability to impart specific color properties and its role in synthesizing complex, high-performance dyes. It is primarily required by manufacturers in the textile, ink, and specialty chemical industries for producing vivid and stable colorants.

Application

• Primary Intermediate for Reactive Dyes: A key building block in the synthesis of high-quality reactive dyes for cotton and other cellulosic fibers.
• Textile Dye Manufacturing: Used in the production of dyes for wool, silk, and nylon, offering good light and wash fastness.
• Inkjet Ink Formulations: Employed in the creation of specialized pigments and dyes for high-resolution digital printing inks.
• Paper Coloring: Suitable for the manufacture of dyes used in the coloring of paper and paper products.
• Leather Dyeing: Serves as an intermediate for dyes applied in the leather tanning and finishing industry.
• Research & Development: Utilized in chemical R&D labs for developing new chromophores and studying azo dye chemistry.

Basic Information

Product Name	Disodium 6-(Acetylamino)-3-[[5-(Acetylamino)-2-Sulphonatophenyl]Azo]-4-Hydroxynaphthalene-2-Sulphonate
CAS No.	84852-31-3
Molecular Formula	C26H20N4Na2O10S2
Molecular Weight	666.56 g/mol
Synonyms	Disodium 6-Acetamido-3-[(5-acetamido-2-sulfophenyl)azo]-4-hydroxy-2-naphthalenesulfonate; C.I. Reactive Red 180; Reactive Red 180; Remazol Red 3B; Sumifix Red 3B; Levafix Red CA; 6-Acetamido-3-[(5-acetamido-2-sulfophenyl)azo]-4-hydroxy-2-naphthalenesulfonic Acid Disodium Salt
EINECS	Contact for details

Quality Control

Our production of Disodium 6-(Acetylamino)-3-[[5-(Acetylamino)-2-Sulphonatophenyl]Azo]-4-Hydroxynaphthalene-2-Sulphonate adheres to stringent quality management systems to ensure batch-to-batch consistency and purity. Every lot 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.

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 sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Reddish-brown to dark brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content	≤ 5.0%
pH (1% Solution)	6.0 - 8.0
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Total impurities ≤ 3.0%
Solubility in Water	Freely soluble

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