Description

Tetrasodium 5-[[4-Chloro-6-[(4-Sulphonatophenyl)Amino]-1,3,5-Triazin-2-Yl]Amino]-4-Hydroxy-3-[(1-Sulphonato-2-Naphthyl)Azo]Naphthalene-2,7-Disulphonate is a high-purity, water-soluble reactive dye intermediate and a key chemical building block. Its value lies in its ability to form strong covalent bonds with substrates, providing excellent color fastness and wash resistance in demanding applications. This compound is essential for manufacturers in the textile, specialty ink, and advanced materials sectors seeking to produce vibrant, durable colors.

Application

• Reactive Dye Synthesis: Primary intermediate for manufacturing high-performance reactive dyes for cotton, viscose, and other cellulosic fibers.
• Textile Printing & Dyeing: Used in formulations for textile printing inks and dye baths requiring brilliant shades and superior wet fastness properties.
• Specialty Inks: Key component in the production of inks for digital textile printing and other applications demanding high color strength and stability.
• Paper Coloring: Employed in the manufacture of dyes for high-quality paper and packaging where color consistency is critical.
• Leather Dyeing: Used in dye formulations for leather to achieve deep, uniform, and fast colors.
• Research & Development: Serves as a precise chemical reagent in R&D labs for developing new chromophores and functional dyes.

Basic Information

Product Name	Tetrasodium 5-[[4-Chloro-6-[(4-Sulphonatophenyl)Amino]-1,3,5-Triazin-2-Yl]Amino]-4-Hydroxy-3-[(1-Sulphonato-2-Naphthyl)Azo]Naphthalene-2,7-Disulphonate
CAS No.	41555-86-6
Molecular Formula	C29H15ClN7Na4O13S4
Molecular Weight	960.08 g/mol
Synonyms	Reactive Red 198; C.I. Reactive Red 198; Tetrasodium 6-[(4-sulfophenyl)amino]-4-chloro-1,3,5-triazin-2-yl]amino]-4-hydroxy-3-[(1-sulfo-2-naphthalenyl)azo]-2,7-naphthalenedisulfonate; Reactive Red 198 (C.I.); 5-[[4-Chloro-6-[(4-sulfophenyl)amino]-1,3,5-triazin-2-yl]amino]-4-hydroxy-3-[(1-sulfo-2-naphthyl)azo]naphthalene-2,7-disulfonic acid tetrasodium salt; C.I. 18215; RR 198
EINECS	Contact for details

Quality Control

Our Tetrasodium 5-[[4-Chloro-6-[(4-Sulphonatophenyl)Amino]-1,3,5-Triazin-2-Yl]Amino]-4-Hydroxy-3-[(1-Sulphonato-2-Naphthyl)Azo]Naphthalene-2,7-Disulphonate is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise industry specifications for dye intermediates. Certificates of Analysis (COA) detailing all test results 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 nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product performance.

Specification

Item	Specification
Appearance	Dark red to brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Moisture Content	≤ 5.0%
Water Solubility	Clear solution
Heavy Metals (as Pb)	≤ 20 ppm
pH (1% Solution)	7.0 - 9.0

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