Description

2-Naphthalenesulfonic Acid, 7-[[4-Chloro-6-[Methyl(2-Methylphenyl)Amino]-1,3,5-Triazin-2-Yl]Amino]-4-Hydroxy-3-[(4-Methoxy-2-Sulfophenyl)Azo]-, Disodium Salt is a high-purity, synthetic organic dye intermediate belonging to the class of azo dyes. This compound is valued for its precise chemical structure, which is critical for imparting specific color properties and performance characteristics in advanced dye formulations. It is primarily required by manufacturers in the textile, ink, and specialty chemical industries for producing vibrant and stable colorants.

Application

• Primary Intermediate for Reactive Dyes: A key building block in the synthesis of high-performance reactive dyes for cotton and other cellulosic fibers.
• Textile Colorant Production: Used in manufacturing dyes that offer excellent wash-fastness, light-fastness, and brilliant shades for the textile industry.
• Inkjet and Printing Ink Formulations: Serves as a crucial component in producing specialized pigments for high-quality inks used in digital and commercial printing.
• Specialty Chemical Synthesis: Employed as an intermediate in the creation of complex dyes and pigments for plastics, leather, and paper applications.
• Research & Development: Utilized in R&D laboratories for developing new dye molecules and studying structure-property relationships in color chemistry.

Basic Information

Product Name	2-Naphthalenesulfonic Acid, 7-[[4-Chloro-6-[Methyl(2-Methylphenyl)Amino]-1,3,5-Triazin-2-Yl]Amino]-4-Hydroxy-3-[(4-Methoxy-2-Sulfophenyl)Azo]-, Disodium Salt
CAS No.	86393-35-3
Molecular Formula	C34H27ClN7Na2O9S2
Molecular Weight	846.18 g/mol (approx.)
Synonyms	C.I. Reactive Red 198; Reactive Red 198; Disodium 7-[[4-chloro-6-[methyl(2-methylphenyl)amino]-1,3,5-triazin-2-yl]amino]-4-hydroxy-3-[(4-methoxy-2-sulfophenyl)azo]naphthalene-2-sulfonate; Reactive Red M-2BE; Reactive Brilliant Red M-2BE; Levafix Red CA; Sumifix Red 3BF
EINECS	Contact for details

Quality Control

Our production of 2-Naphthalenesulfonic Acid, 7-[[4-Chloro-6-[Methyl(2-Methylphenyl)Amino]-1,3,5-Triazin-2-Yl]Amino]-4-Hydroxy-3-[(4-Methoxy-2-Sulfophenyl)Azo]-, Disodium Salt adheres to a stringent quality management system. Every batch is analyzed to ensure it meets precise specifications for color strength, purity, and impurity profile, critical for consistent dye performance. Comprehensive Certificates of Analysis (COA) documenting identity, assay, and related substances are provided to guarantee supply reliability and batch-to-batch consistency for our global B2B clients.

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 product is hygroscopic (moisture-sensitive); the container must be kept tightly sealed to prevent absorption of atmospheric moisture, which can affect product quality and handling properties.

Specification

Item	Specification
Appearance	Dark red to brown powder or granules
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Color Strength	100 ± 5% (vs. Standard)
Moisture (Karl Fischer)	≤ 5.0%
Water Insoluble Matter	≤ 0.5%
Heavy Metals (as Pb)	≤ 50 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.