Description

2,7-Naphthalenedisulfonic acid, 4-amino-6-5-4-chloro-6-4-2-(sulfooxy)ethylsulfonylphenylamino-1,3,5-triazin-2-ylamino-2-sulfophenylazo-3-5-(2,3-dibromo-1-oxopropyl)amino-2-sulfophenylazo-5-hydroxy-, sodium salt is a high-performance, polyfunctional reactive dye intermediate. Its complex molecular structure, featuring multiple sulfonic acid groups, azo linkages, and a reactive triazine moiety, provides exceptional color strength and binding properties. This compound is essential for manufacturers requiring high-quality, wash-fast, and light-fast dyes for demanding textile applications. It serves as a critical building block in the synthesis of advanced reactive dyes for cellulose fibers like cotton and viscose.

Application

• Primary Intermediate for Reactive Dyes: Key precursor in manufacturing high-grade reactive dyes for textile dyeing and printing.
• Cellulose Fiber Dyeing: Specifically engineered for dyeing cotton, linen, rayon, and other cellulosic fabrics, offering excellent covalent bonding.
• Production of High-Washfastness Colors: Imparts superior wash fastness and wet processing stability to the final dye product.
• Synthesis of Polyfunctional Dyes: Used to create dyes with multiple reactive sites for enhanced fixation and color yield.
• Industrial Textile Coloring: Suitable for applications requiring durable colors, such as in home textiles, apparel, and technical fabrics.
• Specialty Dye Manufacturing: Serves as a starting material for developing specialized dye shades with specific performance characteristics.

Basic Information

Product Name	2,7-Naphthalenedisulfonic acid, 4-amino-6-5-4-chloro-6-4-2-(sulfooxy)ethylsulfonylphenylamino-1,3,5-triazin-2-ylamino-2-sulfophenylazo-3-5-(2,3-dibromo-1-oxopropyl)amino-2-sulfophenylazo-5-hydroxy-, sodium salt
CAS No.	180778-23-8
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	C.I. Reactive Red 268; Reactive Red 268; Sodium 4-amino-6-{[4-chloro-6-({4-[2-(sulfooxy)ethylsulfonyl]phenyl}amino)-1,3,5-triazin-2-yl]amino}-2-sulfophenylazo-3-{[5-[(2,3-dibromo-1-oxopropyl)amino]-2-sulfophenyl]azo}-5-hydroxy-2,7-naphthalenedisulfonate; 180778-23-8; Reactive Red 268 (C.I.); C.I. 182158
EINECS	Contact for details

Quality Control

Our production of this reactive dye intermediate adheres to stringent quality control protocols to ensure batch-to-batch consistency and performance reliability. Quality is verified through advanced analytical techniques including HPLC for purity and spectrophotometry for strength assessment. A comprehensive Certificate of Analysis (COA) detailing purity, impurity profile, and physical specifications is provided with every shipment to support your quality assurance and production planning.

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). This product is hygroscopic (moisture-sensitive); the container must be kept tightly sealed to prevent absorption of atmospheric moisture which may affect performance. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Dark colored powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	Min. 90%
Moisture Content	Max. 5.0%
Water Solubility	Freely soluble
Heavy Metals	Max. 20 ppm
pH (1% Solution)	6.0 - 8.0

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