Description

2,5-Dichloro-4-[4-[[5-[(Ethylphenylamino)Sulphonyl]-o-Tolyl]Azo]-4,5-Dihydro-3-Methyl-5-Oxo-1H-Pyrazol-1-Yl]Benzenesulphonic Acid is a specialized organic azo compound with a complex molecular structure, designed for high-performance applications. This product matters as a key intermediate or functional dye precursor, offering precise chemical reactivity and colorant properties essential for advanced manufacturing. It is primarily needed by the specialty chemical, textile dyeing, and advanced materials research sectors.

Application

• Primary intermediate in the synthesis of high-grade, complex azo dyes and pigments.
• Key component for textile colorants requiring specific fastness and shade properties.
• Functional chemical in the research and development of novel organic electronic materials.
• Precursor for specialty inks used in security printing and high-resolution imaging.
• Research chemical for studying azo coupling reactions and heterocyclic compound behavior.
• Potential intermediate in the fine chemical and pharmaceutical synthesis industries.

Basic Information

Product Name	2,5-Dichloro-4-[4-[[5-[(Ethylphenylamino)Sulphonyl]-o-Tolyl]Azo]-4,5-Dihydro-3-Methyl-5-Oxo-1H-Pyrazol-1-Yl]Benzenesulphonic Acid
CAS No.	85455-44-3
Molecular Formula	C31H27Cl2N5O6S2
Molecular Weight	708.61 g/mol
Synonyms	Benzenesulfonic acid, 2,5-dichloro-4-[4-[[5-[(ethylphenylamino)sulfonyl]-2-methylphenyl]azo]-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl]-; 85455-44-3; Azo pyrazole benzenesulfonic acid derivative; 1H-Pyrazole-1-benzenesulfonic acid, 4-[4-[[5-[(ethylphenylamino)sulfonyl]-2-methylphenyl]azo]-4,5-dihydro-3-methyl-5-oxo-]; Ethylphenylamino sulfonyl azo pyrazole dye intermediate
EINECS	Contact for details

Quality Control

Our 2,5-Dichloro-4-[4-[[5-[(Ethylphenylamino)Sulphonyl]-o-Tolyl]Azo]-4,5-Dihydro-3-Methyl-5-Oxo-1H-Pyrazol-1-Yl]Benzenesulphonic Acid is produced under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing key specifications are available upon request to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	Yellow to orange-brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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