Description

Phenazinium, 3-[[4-[[4-chloro-6-[(3-phosphonophenyl)amino]-1,3,5-triazin-2-yl]amino]-2-sulfophenyl]amino]-7-[ethyl[(3-sulfophenyl)methyl]amino]-5-(4-methoxy-3-sulfophenyl)-, hydroxide, inner salt, triammonium salt is a sophisticated, high-value functional dye intermediate with a complex polycyclic structure. This compound is engineered to deliver exceptional performance as a key chromophore and functional group carrier in advanced material science applications. It is primarily sought by manufacturers in the specialty dyes and pigments, optical materials, and high-performance polymer sectors for its unique combination of chromophoric properties and reactive sites.

Application

• Specialty Dye Synthesis: A critical intermediate for producing high-grade, light-fast cationic dyes and reactive dyes for textiles, paper, and leather.
• Functional Pigments: Used in the manufacture of advanced pigments for inks, coatings, and plastics requiring specific optical or electronic properties.
• Optical Data Storage Media: Serves as a key component in the formulation of recording layers for optical discs and other data storage technologies.
• Laser Dyes and Sensitizers: Employed in the development of tunable laser dyes and photo-sensitizers for scientific and industrial laser systems.
• Biomedical Staining: Potential use as a precursor for developing novel histological stains and fluorescent probes for cellular imaging.
• Polymer Modification: Acts as a functional monomer or additive to impart color, UV stability, or specific interactive sites to high-performance polymers.
• Analytical Chemistry Reagents: Used in the synthesis of complexometric indicators and other specialized analytical reagents.

Basic Information

Product Name	Phenazinium, 3-[[4-[[4-chloro-6-[(3-phosphonophenyl)amino]-1,3,5-triazin-2-yl]amino]-2-sulfophenyl]amino]-7-[ethyl[(3-sulfophenyl)methyl]amino]-5-(4-methoxy-3-sulfophenyl)-, hydroxide, inner salt, triammonium salt
CAS No.	70851-44-4
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	C.I. Reactive Blue 221; Reactive Blue 221; Triammonium inner salt of a complex phenazinium dye; 3-[[4-[[4-Chloro-6-[(3-phosphonophenyl)amino]-1,3,5-triazin-2-yl]amino]-2-sulfophenyl]amino]-7-[ethyl[(3-sulfophenyl)methyl]amino]-5-(4-methoxy-3-sulfophenyl)phenazinium hydroxide inner salt triammonium salt; CAS 70851-44-4
EINECS	Contact for details

Quality Control

Our production of this advanced intermediate adheres to strict quality management protocols to ensure batch-to-batch consistency and high purity. Quality is verified through a comprehensive suite of analytical techniques including HPLC, UV-Vis spectroscopy, and elemental analysis. A detailed Certificate of Analysis (COA) documenting identity, purity, and impurity profiles is provided with every shipment to support your quality assurance and R&D processes.

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 nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product performance and stability. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Dark blue to violet powder or solid
Identification (HPLC/UV-Vis)	Conforms to reference standard
Assay (HPLC)	Min. 95%
Moisture Content (KF)	Max. 5.0%
Solubility	Soluble in water, DMSO; Slightly soluble in common organic solvents
Heavy Metals (as Pb)	Max. 20 ppm

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