Description

Sodium 2-[[2-Amino-8-Hydroxy-6-[(Methylanilino)Sulphonyl]-1-Naphthyl]Azo]-5-(Chloroacetamido)Benzenesulphonate is a specialized, high-purity azo dye intermediate essential for producing vivid and stable colorants. Its complex molecular structure provides excellent chromophoric properties, making it a critical component for manufacturers requiring precise color control and batch-to-batch consistency. This compound is primarily utilized by producers of reactive dyes, pigments, and specialty inks for textiles, leather, and advanced materials. We supply this intermediate with a focus on reliable quality and consistent performance to meet the stringent demands of industrial synthesis.

Application

This advanced chemical intermediate serves as a key building block in several high-value industrial colorant processes.

• Primary intermediate for the synthesis of reactive dyes used in textile dyeing and printing.
• Manufacture of high-performance pigments for industrial coatings and plastics.
• Production of specialized inks for digital textile printing and security applications.
• Key component in the formulation of leather dyes requiring excellent light and wash fastness.
• Research and development of novel functional dyes for optical and electronic applications.
• Used in the synthesis of colorants for paper and specialty packaging materials.

Basic Information

Item	Details
Product Name	Sodium 2-[[2-Amino-8-Hydroxy-6-[(Methylanilino)Sulphonyl]-1-Naphthyl]Azo]-5-(Chloroacetamido)Benzenesulphonate
CAS No.	70209-97-1
Molecular Formula	C31H24ClN6NaO8S2
Molecular Weight	763.18 g/mol
Synonyms	Reactive Dye Intermediate 70209-97-1; 2-[[2-Amino-8-hydroxy-6-[(methylphenylamino)sulfonyl]-1-naphthalenyl]azo]-5-[(chloroacetyl)amino]benzenesulfonic acid sodium salt; Sodium 5-(chloroacetamido)-2-[[2-amino-8-hydroxy-6-[(N-methylanilino)sulfonyl]-1-naphthyl]azo]benzenesulphonate; Azo Dye Intermediate CAS 70209-97-1; Benzenesulfonic acid, 2-[[2-amino-8-hydroxy-6-[(methylphenylamino)sulfonyl]-1-naphthalenyl]azo]-5-[(chloroacetyl)amino]-, sodium salt; C.I. Reactive Orange 84 intermediate
EINECS	Contact for details

Quality Control

Our production of this dye intermediate adheres to strict quality management protocols to ensure it meets the high-purity requirements of advanced synthesis. Each batch is analyzed using modern analytical techniques including HPLC and spectrophotometry to verify identity, purity, and impurity profiles. A comprehensive Certificate of Analysis (COA) is provided with every shipment, detailing all critical specifications. We are committed to consistent supply chain reliability and can support customer audits and specific quality documentation needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture. Keep away from incompatible materials such as strong oxidizing agents.

Specification

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

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