Description

1,3,6-Naphthalenetrisulfonic Acid, 7-2-(Aminocarbonyl)Amino-4-4-Chloro-6-(2-Sulfoethyl)Amino-1,3,5-Triazin-2-Ylaminophenylazo-, Tetrasodium Salt is a high-purity, water-soluble reactive dye intermediate of significant commercial importance. This compound is engineered for superior color strength and covalent bonding properties with various substrates, ensuring excellent wash and light fastness in the final product. It is a critical raw material for manufacturers in the textile, specialty ink, and paper coloring industries seeking reliable and consistent performance.

Application

• Reactive Dye Synthesis: Primary intermediate for manufacturing high-grade reactive dyes for cotton, viscose, and other cellulosic fibers.
• Textile Printing and Dyeing: Used in formulations for printing inks and dye baths, providing vibrant and durable colors.
• Paper Coloring: Employed in the production of specialty colored papers where strong, bleed-resistant coloration is required.
• Leather Finishing: Applied in dyeing processes for leather goods to achieve deep, uniform shades.
• Inkjet Inks: A key component in the formulation of certain industrial and textile inkjet inks.
• Research & Development: Serves as a standard or building block in chemical research for developing new chromophores and functional dyes.

Basic Information

Product Name	1,3,6-Naphthalenetrisulfonic Acid, 7-2-(Aminocarbonyl)Amino-4-4-Chloro-6-(2-Sulfoethyl)Amino-1,3,5-Triazin-2-Ylaminophenylazo-, Tetrasodium Salt
CAS No.	73275-64-6
Molecular Formula	C26H19ClN10Na4O16S4
Molecular Weight	Contact for details
Synonyms	Tetrasodium 7-[[4-chloro-6-[(2-sulfoethyl)amino]-1,3,5-triazin-2-yl]amino]-4-[[2-(aminocarbonyl)hydrazinylidene]methyl]-1,3,6-naphthalenetrisulfonate; C.I. Reactive Red 198; Reactive Red 198; Reactive Red 198 (Tetrasodium Salt); 1,3,6-Naphthalenetrisulfonic acid, 7-[[4-chloro-6-[(2-sulfoethyl)amino]-1,3,5-triazin-2-yl]amino]-4-[(2-carbamoylhydrazinylidene)methyl]-, sodium salt (1:?); Reactive Dye Intermediate RR198.
EINECS	Contact for details

Quality Control

Our production of this reactive dye intermediate adheres to stringent quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets exacting specifications for colorant synthesis. Certificates of Analysis (COA) detailing purity, impurity profile, and physical characteristics are provided with each shipment to guarantee traceability and consistency for your manufacturing process.

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 red to brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	Min. 95%
Moisture Content	Max. 5.0%
Water Solubility	Freely soluble
Heavy Metals (as Pb)	Max. 20 ppm
pH (1% Solution)	6.0 - 8.0

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