Description

Disodium m-[4,5-Dihydro-4-[[2-Methoxy-5-Methyl-4-[[2-(Sulphonatooxy)Ethyl]Sulphonyl]Phenyl]Azo]-3-Methyl-5-Oxo-1H-Pyrazol-1-Yl]Benzenesulphonate is a high-purity, water-soluble synthetic organic compound belonging to the class of azo pyrazolone dyes. This product is engineered to deliver consistent, vibrant color and excellent performance in demanding industrial applications. It is a critical component for manufacturers in the textile, ink, and specialty coatings industries who require reliable, high-quality colorants for their formulations.

Application

• Textile Dyeing and Printing: Primarily used as a reactive or acid dye for coloring natural and synthetic fibers, including wool, silk, and nylon, offering good wash and light fastness.
• Inkjet Inks: Serves as a key colorant in the formulation of high-performance inks for digital and industrial printing, providing sharp color definition and stability.
• Specialty Coatings and Paints: Incorporated into coatings where specific color shades and durability are required, such as in automotive or industrial finishes.
• Paper Coloring: Used in the production of colored papers and paper products, ensuring uniform dye uptake and color consistency.
• Leather Dyeing: Applied in the tanning industry to dye leather goods, providing rich, penetrating color.
• Biological Staining (Research Grade): May be utilized in histological stains or as a tracer in laboratory research applications.
• Functional Dye Intermediate: Acts as a precursor or intermediate in the synthesis of more complex dyes and pigments.

Basic Information

Product Name	Disodium m-[4,5-Dihydro-4-[[2-Methoxy-5-Methyl-4-[[2-(Sulphonatooxy)Ethyl]Sulphonyl]Phenyl]Azo]-3-Methyl-5-Oxo-1H-Pyrazol-1-Yl]Benzenesulphonate
CAS No.	84083-09-0
Molecular Formula	C22H21N4Na2O12S3
Molecular Weight	674.58 g/mol
Synonyms	Reactive Red 198; C.I. Reactive Red 198; Disodium 5-[[4-[[2-(sulfonatooxy)ethyl]sulfonyl]-2-methoxy-5-methylphenyl]azo]-3-methyl-1-(3-sulfonatophenyl)-1H-pyrazol-5-ol; Benzenesulfonic acid, 5-[[4-[[2-(sulfonatooxy)ethyl]sulfonyl]-2-methoxy-5-methylphenyl]azo]-3-methyl-1-(3-sulfonatophenyl)-1H-pyrazol-5-ol, disodium salt; Levafix Red CA; Sumifix Red 3BF
EINECS	Contact for details

Quality Control

Our Disodium m-[4,5-Dihydro-4-[[2-Methoxy-5-Methyl-4-[[2-(Sulphonatooxy)Ethyl]Sulphonyl]Phenyl]Azo]-3-Methyl-5-Oxo-1H-Pyrazol-1-Yl]Benzenesulphonate 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 specifications for dye content, shade, and strength. A Certificate of Analysis (COA) detailing all test results is provided with each shipment to guarantee traceability and compliance with your quality 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). This material is hygroscopic (moisture-sensitive); keep the container tightly sealed to prevent absorption of atmospheric moisture which may affect performance.

Specification

Item	Specification
Appearance	Reddish-brown to dark red powder
Identification (IR)	Conforms to standard
Assay (HPLC)	≥ 95.0% (Dye Content)
Moisture Content	≤ 5.0%
Water Solubility	Freely soluble
pH (1% Solution)	6.0 - 8.0
Heavy Metals (as Pb)	≤ 20 ppm
Shade and Strength	Within agreed commercial tolerance vs. standard

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