Description

3-[[2-Methyl-4-[[4-[[4-[[2-(sodiosulfooxy)ethyl]sulfonyl]phenyl]amino]-6-[(4-sodiosulfophenyl)amino]-1,3,5-triazin-2-yl]amino]phenyl]azo]-1,5-naphthalenedisulfonic acid disodium salt is a high-purity, water-soluble anionic dye intermediate. This compound is valued for its ability to impart vibrant and stable color properties in demanding industrial applications. It is primarily utilized by manufacturers in the textile, ink, and specialty chemical sectors for producing high-performance dyes and pigments.

Application

• Textile Dyeing: A key intermediate for synthesizing reactive and direct dyes for cotton, wool, and nylon fibers, offering excellent wash and light fastness.
• Ink Manufacturing: Used in the production of high-quality inks for digital, packaging, and security printing applications.
• Paper Coloring: Employed in the manufacture of specialty papers requiring consistent and bright coloration.
• Leather Finishing: Serves as a colorant intermediate in dyes for leather goods.
• Functional Dye Synthesis: A building block for creating dyes used in optical data storage, liquid crystal displays (LCDs), and other advanced materials.
• Research & Development: Used in academic and industrial R&D labs for developing novel chromophores and studying dye chemistry.

Basic Information

Product Name	3-[[2-Methyl-4-[[4-[[4-[[2-(sodiosulfooxy)ethyl]sulfonyl]phenyl]amino]-6-[(4-sodiosulfophenyl)amino]-1,3,5-triazin-2-yl]amino]phenyl]azo]-1,5-naphthalenedisulfonic acid disodium salt
CAS No.	102303-61-7
Molecular Formula	C34H28N8Na4O16S5
Molecular Weight	Contact for details
Synonyms	Reactive Black 5 Intermediate; Disodium 3-[[2-methyl-4-[[4-[[4-[[2-(sodiosulfooxy)ethyl]sulfonyl]phenyl]amino]-6-[(4-sulfophenyl)amino]-1,3,5-triazin-2-yl]amino]phenyl]azo]-1,5-naphthalenedisulfonate; C.I. Reactive Black 5 related intermediate; Tetrasodium 8-[[4-[[4-[[2-[(sulfonatooxy)ethyl]sulfonyl]phenyl]amino]-6-[(4-sulfonatophenyl)amino]-1,3,5-triazin-2-yl]amino]-3-methylphenyl]azo]naphthalene-1,5-disulfonate; Azo dye intermediate 102303-61-7; Anionic triazine-azo dye intermediate
EINECS	Contact for details

Quality Control

Our production of this dye intermediate adheres to strict quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure consistency and meet customer specifications. Certificates of Analysis (COA) documenting key 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). This material is hygroscopic (moisture-sensitive); ensure containers are kept sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Dark blue to black powder or solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95% (typical)
Water Content	≤ 5.0%
Solubility (in Water)	Freely soluble
Heavy Metals (as Pb)	≤ 20 ppm

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