Description

Disodium 4-[3-(4,5-Dichloro-2-Methylphenyl)-4,5-Dihydro-1-[4-[(2-Hydroxyethyl)Sulphonyl]Phenyl]-1H-Pyrazol-5-Yl]Benzene-1,3-Disulphonate is a high-purity, functionalized pyrazolone derivative, a key intermediate in the synthesis of advanced colorants and specialty chemicals. Its value lies in its precise molecular structure, which enables the creation of dyes and pigments with superior color fastness, brightness, and application-specific properties. This compound is essential for manufacturers in the textile, ink, and specialty polymer industries seeking to develop high-performance products.

Application

• Reactive Dye Intermediate: A critical building block for synthesizing high-quality reactive dyes used in cotton and cellulose fiber dyeing.
• Textile Colorant Synthesis: Used in the production of dyes offering excellent wash and light fastness for the textile industry.
• Inkjet Ink Formulation: Serves as a precursor for colorants in high-performance pigment-based inks, providing vibrant and stable colors.
• Functional Pigment Development: Key intermediate for creating specialty pigments used in plastics, coatings, and advanced materials.
• Research & Development: A valuable compound for R&D chemists exploring new chromophores and functional dyes.
• Photographic Chemical Synthesis: Potential use in the synthesis of chemicals for specialized imaging applications.

Basic Information

Item	Detail
Product Name	Disodium 4-[3-(4,5-Dichloro-2-Methylphenyl)-4,5-Dihydro-1-[4-[(2-Hydroxyethyl)Sulphonyl]Phenyl]-1H-Pyrazol-5-Yl]Benzene-1,3-Disulphonate
CAS No.	94333-46-7
Molecular Formula	C24H20Cl2N2Na2O10S3
Molecular Weight	709.47 g/mol
Synonyms	Disodium 4-[3-(4,5-dichloro-2-methylphenyl)-4,5-dihydro-1-[4-[(2-hydroxyethyl)sulphonyl]phenyl]-1H-pyrazol-5-yl]benzene-1,3-disulphonate; Reactive Dye Intermediate; Pyrazolone-based disulphonate; CI Reactive Orange 84 intermediate; 4,5-Dichloro-2-methylphenyl pyrazolone disulphonate; 1-(4-(2-Hydroxyethylsulfonyl)phenyl)-3-(4,5-dichloro-2-methylphenyl)-4,5-dihydro-1H-pyrazol-5-yl benzene-1,3-disulfonate disodium salt
EINECS	Contact for details

Quality Control

Our production of Disodium 4-[3-(4,5-Dichloro-2-Methylphenyl)-4,5-Dihydro-1-[4-[(2-Hydroxyethyl)Sulphonyl]Phenyl]-1H-Pyrazol-5-Yl]Benzene-1,3-Disulphonate adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure consistent high quality and batch-to-batch reliability. Certificates of Analysis (COA) detailing all specifications 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 stability and performance.

Specification

Item	Specification
Appearance	Yellow to orange-brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 5.0%
Heavy Metals (as Pb)	≤ 20 ppm
Residue on Ignition	≤ 1.0%
Related Substances (HPLC)	Total impurities ≤ 3.0%

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