Description

Trisodium 7-[[4-[(2,6-Dichloro-4-Pyrimidinyl)Amino]Phenyl]Azo]Naphthalene-1,3,5-Trisulphonate is a high-purity, water-soluble azo dye intermediate characterized by its complex aromatic structure. This compound is critical for synthesizing specialized dyes and pigments, offering excellent color fastness and stability in demanding applications. It is primarily utilized by manufacturers in the textile, ink, and specialty chemical industries who require precise and reliable intermediates for high-performance colorants.

Application

• Key intermediate for the synthesis of high-grade, reactive azo dyes for textile coloration.
• Precursor in the manufacturing of specialized pigments for industrial inks and coatings.
• Used in research and development of novel chromophores for analytical chemistry and sensor technology.
• Potential component in the formulation of colorants for specialty papers and advanced materials.
• Employed in the synthesis of dyes for biological staining applications in life sciences.

Basic Information

Product Name	Trisodium 7-[[4-[(2,6-Dichloro-4-Pyrimidinyl)Amino]Phenyl]Azo]Naphthalene-1,3,5-Trisulphonate
CAS No.	71720-92-8
Molecular Formula	C24H12Cl2N6Na3O9S3
Molecular Weight	788.46 g/mol
Synonyms	7-[[4-[(2,6-Dichloro-4-pyrimidinyl)amino]phenyl]azo]-1,3,5-naphthalenetrisulfonic acid trisodium salt; C.I. Reactive Red 238; Trisodium 1,3,5-naphthalenetrisulfonate-7-[[4-[(2,6-dichloro-4-pyrimidinyl)amino]phenyl]azo]; Reactive Red 238; Azo dye intermediate 71720-92-8; 2,6-Dichloro-4-pyrimidinyl azo dye sodium salt
EINECS	Contact for details

Quality Control

Our Trisodium 7-[[4-[(2,6-Dichloro-4-Pyrimidinyl)Amino]Phenyl]Azo]Naphthalene-1,3,5-Trisulphonate is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise customer specifications and industry standards. Certificates of Analysis (COA) documenting all critical parameters are 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 tightly sealed after opening 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%
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.