Description

Disodium 7,7'-[[6-(Phenylamino)-1,3,5-Triazine-2,4-Diyl]Diimino]Bis[4-Hydroxy-3-[[2-Hydroxy-5-(Methylsulphonyl)Phenyl]Azo]Naphthalene-2-Sulphonate] is a high-purity, complex synthetic dye intermediate belonging to the class of azo-triazine compounds. This product is valued for its role as a critical precursor in the production of high-performance, light-fast dyes and pigments. It is primarily utilized by manufacturers in the textile, ink, and specialty coatings industries seeking to develop products with enhanced color strength and durability.

Application

• Textile Dye Manufacturing: A key intermediate for synthesizing reactive and direct dyes for cotton, wool, and nylon, offering excellent wash and light fastness.
• Industrial Pigment Production: Used in the creation of high-grade organic pigments for plastics, masterbatches, and synthetic fibers.
• Inkjet and Printing Inks: Serves as a precursor for colorants in high-quality digital printing and specialty inks requiring vibrant, stable colors.
• Functional Dyes: Potential applications in the development of dyes for optical data storage, liquid crystal displays (LCDs), and other advanced materials.
• Research & Development: Used in chemical R&D laboratories for the synthesis of novel chromophores and functional dye molecules.

Basic Information

Product Name	Disodium 7,7'-[[6-(Phenylamino)-1,3,5-Triazine-2,4-Diyl]Diimino]Bis[4-Hydroxy-3-[[2-Hydroxy-5-(Methylsulphonyl)Phenyl]Azo]Naphthalene-2-Sulphonate]
CAS No.	72152-63-7
Molecular Formula	C52H34N12Na2O16S4
Molecular Weight	~1220.12 g/mol (Contact for exact details)
Synonyms	Disodium 7,7'-(6-anilino-1,3,5-triazine-2,4-diyl)bis(imino)bis[4-hydroxy-3-[(2-hydroxy-5-methylsulfonylphenyl)azo]naphthalene-2-sulphonate]; C.I. Reactive Black 31 intermediate; Azo-triazine dye intermediate; Reactive dye intermediate 72152-63-7; 7,7'-((6-(Phenylamino)-1,3,5-triazine-2,4-diyl)bis(azanediyl))bis(4-hydroxy-3-((2-hydroxy-5-(methylsulfonyl)phenyl)diazenyl)naphthalene-2-sulfonic acid) disodium salt
EINECS	Contact for details

Quality Control

Our production of this dye intermediate adheres to strict quality management protocols to ensure batch-to-batch consistency and high purity. Quality is verified through advanced analytical techniques including HPLC, UV-Vis spectroscopy, and elemental analysis. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory 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). Keep away from heat sources and incompatible materials. Due to its light-sensitive nature, prolonged exposure to direct light should be avoided.

Specification

Item	Specification
Appearance	Dark colored powder or solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0% (Contact for higher grades)
Water Content	≤ 5.0%
Heavy Metals (as Pb)	≤ 20 ppm
Solubility	Soluble in water, DMSO

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