Description

Tetrasodium 7,7'-[[6-(Morpholin-4-Yl)-1,3,5-Triazine-2,4-Diyl]Diimino]Bis[4-Hydroxy-3-[(4-Methoxy-2-Sulphonatophenyl)Azo]Naphthalene-2-Sulphonate] is a high-purity, water-soluble reactive dye intermediate and specialty chemical. This compound is valued for its ability to impart color and specific functional properties in advanced material formulations. It is primarily required by manufacturers in the textile, specialty ink, and high-performance polymer industries for creating vivid, durable shades and functionalized materials.

Application

• Reactive Dye Synthesis: A key intermediate for manufacturing high-quality, fiber-reactive dyes for cotton, wool, and nylon.
• Textile Coloration: Used in the production of dyes that offer excellent wash and light fastness for the textile industry.
• Specialty Inks: Employed in formulating inks for digital textile printing and other high-resolution printing applications.
• Functional Polymers: Acts as a chromophore or functional monomer in the synthesis of colored or light-absorbing engineering plastics and coatings.
• Research & Development: Serves as a standard or building block in chemical research for developing new colorants and functional materials.
• Analytical Chemistry: Can be used as a staining agent or colorimetric indicator in specific laboratory analyses.

Basic Information

Item	Detail
Product Name	Tetrasodium 7,7'-[[6-(Morpholin-4-Yl)-1,3,5-Triazine-2,4-Diyl]Diimino]Bis[4-Hydroxy-3-[(4-Methoxy-2-Sulphonatophenyl)Azo]Naphthalene-2-Sulphonate]
CAS No.	2184-11-4
Molecular Formula	C52H38N12Na4O20S4
Molecular Weight	~1350.0 g/mol (Contact for exact value)
Synonyms	Reactive Blue 221; C.I. Reactive Blue 221; Tetrasodium 7,7'-(6-morpholino-1,3,5-triazine-2,4-diyl)bis(imino)bis(4-hydroxy-3-((4-methoxy-2-sulfophenyl)azo)naphthalene-2-sulfonate); Reactive Blue 221 (C.I. 73881); C.I. 73881; 7,7'-((6-Morpholino-1,3,5-triazine-2,4-diyl)bis(imino))bis(4-hydroxy-3-((4-methoxy-2-sulfophenyl)azo)naphthalene-2-sulfonic acid) tetrasodium salt
EINECS	Contact for details

Quality Control

Our production of Tetrasodium 7,7'-[[6-(Morpholin-4-Yl)-1,3,5-Triazine-2,4-Diyl]Diimino]Bis[4-Hydroxy-3-[(4-Methoxy-2-Sulphonatophenyl)Azo]Naphthalene-2-Sulphonate] adheres to stringent quality management protocols. Every batch undergoes rigorous analytical testing to ensure consistent purity, color strength, and performance. A comprehensive Certificate of Analysis (COA) detailing assay, impurity profile, and physical specifications is provided with each shipment to guarantee compliance with your technical requirements.

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 material is hygroscopic (moisture-sensitive); keep the container tightly sealed when not in use to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Dark blue to black powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 90.0% (Contact for higher grades)
Color Strength	Standardized vs. reference (Contact for value)
Water Content	≤ 8.0% (Karl Fischer)
Solubility (in Water)	Clear solution at 1% w/v
pH (1% Solution)	6.0 - 8.0
Heavy Metals (as Pb)	≤ 20 ppm

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