Description

Trisodium 7-[[4-Chloro-6-[Phenyl(Sulphonatomethyl)Amino]-1,3,5-Triazin-2-Yl]Amino]-4-Hydroxy-3-[(4-Methoxy-2-Sulphonatophenyl)Azo]Naphthalene-2-Sulphonate is a high-purity, water-soluble anionic dye belonging to the reactive azo dye class, characterized by its triazine and naphthalene sulphonate structure. This compound is engineered to deliver exceptional color fastness and brilliant hue in demanding industrial applications. It is primarily required by manufacturers in the textile, leather, and specialty paper industries seeking reliable and consistent dyeing performance.

Application

• Textile Dyeing: Primary application for dyeing cotton, viscose, and other cellulosic fibers, offering excellent wash and light fastness.
• Leather Finishing: Used for coloring leather goods, providing deep, uniform shades with good adhesion.
• Paper Coloring: Imparts color to specialty papers, including decorative and packaging grades.
• Ink Formulation: A key component in the manufacture of certain industrial inks requiring specific color properties and stability.
• Biological Staining: Potential use as a histological stain in laboratory settings due to its specific chromophoric structure.
• Research & Development: Serves as a chemical intermediate or reference standard in synthetic chemistry and dye research.

Basic Information

Item	Detail
Product Name	Trisodium 7-[[4-Chloro-6-[Phenyl(Sulphonatomethyl)Amino]-1,3,5-Triazin-2-Yl]Amino]-4-Hydroxy-3-[(4-Methoxy-2-Sulphonatophenyl)Azo]Naphthalene-2-Sulphonate
CAS No.	85455-59-0
Molecular Formula	C27H19ClN7Na3O12S3
Molecular Weight	874.08 g/mol
Synonyms	Reactive Red 198; C.I. Reactive Red 198; Trisodium 4-hydroxy-3-[[4-methoxy-2-sulfophenyl)azo]-7-[[4-chloro-6-[(phenylamino)methylsulfonyl]-1,3,5-triazin-2-yl]amino]-2-naphthalenesulfonate; Reactive Red 198 (C.I.); 7-[[4-Chloro-6-[(phenylamino)methylsulfonyl]-1,3,5-triazin-2-yl]amino]-4-hydroxy-3-[(4-methoxy-2-sulfophenyl)azo]-2-naphthalenesulfonic acid trisodium salt; C.I. 182155; Levafix Red CA
EINECS	Contact for details

Quality Control

Our production of Trisodium 7-[[4-Chloro-6-[Phenyl(Sulphonatomethyl)Amino]-1,3,5-Triazin-2-Yl]Amino]-4-Hydroxy-3-[(4-Methoxy-2-Sulphonatophenyl)Azo]Naphthalene-2-Sulphonate adheres to a stringent quality management system. Every batch is analyzed to ensure it meets precise color strength, purity, and application performance specifications. Comprehensive Certificates of Analysis (COA) documenting identity, assay, and impurity profiles are provided to guarantee batch-to-batch consistency and 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). Keep away from incompatible materials and sources of ignition. The container should be kept tightly sealed to protect from moisture.

Specification

Item	Specification
Appearance	Dark red to brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 90% (by HPLC area normalization)
Color Strength	100 ± 3% (vs. Standard)
Moisture Content	≤ 5.0%
Water Solubility	Completely soluble
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.