Description

Disodium 6-Amino-5-[[4-[(2-Bromo-1-Oxoallyl)Amino]-2-Sulphonatophenyl]Azo]-4-Hydroxynaphthalene-2-Sulphonate is a high-purity, water-soluble azo dye intermediate of significant commercial importance. Its value lies in its role as a key precursor for synthesizing reactive and direct dyes, offering excellent color fastness and brightness. This compound is essential for manufacturers in the textile, leather, and specialty ink industries seeking to produce vibrant and durable colorants.

Application

This specialized azo intermediate is primarily utilized in the synthesis of high-performance dyes and pigments. Its applications include:

• Primary Intermediate for Reactive Dyes: Used in the manufacture of reactive dyes for cotton, wool, and nylon, providing strong covalent bonds with fibers.
• Synthesis of Direct Dyes: Serves as a key building block for direct dyes used in paper coloring and textile applications.
• Leather Dyeing: Employed in the production of dyes for high-quality leather finishing.
• Specialty Ink Formulations: Used in the creation of colorants for inks requiring specific solubility and stability profiles.
• Research & Development: Acts as a standard or starting material in chemical research for novel chromophore development.

Basic Information

Product Name	Disodium 6-Amino-5-[[4-[(2-Bromo-1-Oxoallyl)Amino]-2-Sulphonatophenyl]Azo]-4-Hydroxynaphthalene-2-Sulphonate
CAS No.	70210-40-1
Molecular Formula	C19H13BrN4Na2O9S2
Molecular Weight	647.34 g/mol
Synonyms	6-Amino-5-[[4-[(2-bromo-1-oxoallyl)amino]-2-sulfophenyl]azo]-4-hydroxy-2-naphthalenesulfonic acid, disodium salt; Reactive Dye Intermediate; Azo Dye Precursor; C.I. Reactive Orange 16 Intermediate (related); 2-Naphthalenesulfonic acid, 6-amino-5-[[4-[(2-bromo-1-oxo-2-propen-1-yl)amino]-2-sulfophenyl]azo]-4-hydroxy-, disodium salt
EINECS	Contact for details

Quality Control

Our Disodium 6-Amino-5-[[4-[(2-Bromo-1-Oxoallyl)Amino]-2-Sulphonatophenyl]Azo]-4-Hydroxynaphthalene-2-Sulphonate is produced under a strict quality management system. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for sensitive synthesis processes. Certificates of Analysis (COA) detailing purity, impurity profiles, and physical specifications are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after use to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Dark brown to reddish-brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Moisture Content	≤ 5.0%
Solubility (in Water)	Clear solution
Heavy Metals (as Pb)	≤ 20 ppm

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