Description

4-[4-[[3-[(Ethylanilino)Sulphonyl]-4-Methylphenyl]Azo]-4,5-Dihydro-3-Methyl-5-Oxo-1H-Pyrazol-1-Yl]Benzenesulphonic Acid is a high-purity, synthetic organic compound belonging to the azo dye and pyrazolone chemical families. This specialized chemical serves as a critical intermediate for producing high-performance colorants and functional materials. It is essential for manufacturers in the dyes and pigments, specialty chemicals, and advanced material research sectors seeking consistent quality and reliable supply for their formulations.

Application

• Primary Intermediate for Azo Dyes: A key building block in the synthesis of high-value, complex azo dyes and pigments, particularly for demanding applications.
• Specialty Pigment Manufacturing: Used in the production of pigments requiring specific lightfastness, thermal stability, and color properties for plastics, coatings, and inks.
• Functional Dye Synthesis: Serves as a precursor for dyes used in non-textile applications, such as sensitizers, optical data storage, or liquid crystal displays (LCDs).
• Research & Development: A valuable compound for chemical R&D in academia and industry for exploring new chromophores and material science applications.
• Fine Chemical Production: Employed in multi-step synthesis processes to create other sophisticated organic molecules with sulfonic acid and azo functionalities.

Basic Information

Product Name	4-[4-[[3-[(Ethylanilino)Sulphonyl]-4-Methylphenyl]Azo]-4,5-Dihydro-3-Methyl-5-Oxo-1H-Pyrazol-1-Yl]Benzenesulphonic Acid
CAS No.	83006-48-8
Molecular Formula	C26H27N5O6S2
Molecular Weight	569.65 g/mol
Synonyms	Benzenesulfonic acid, 4-[4-[[3-[(ethylphenylamino)sulfonyl]-4-methylphenyl]azo]-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl]-; 4-(4-{3-[(Ethylphenylamino)sulfonyl]-4-methylphenyl}diazenyl-3-methyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl)benzenesulfonic acid; 83006-48-8; Azo pyrazolone sulfonic acid derivative; Ethylphenylamino sulfonyl methylphenyl azo pyrazolone benzenesulfonic acid
EINECS	Contact for details

Quality Control

Our production of this advanced intermediate adheres to strict quality management systems to ensure batch-to-batch consistency and purity. Each lot undergoes comprehensive analytical testing, including HPLC for assay and impurity profiling, IR and NMR for structural confirmation, and loss on drying. A detailed Certificate of Analysis (COA) documenting all test results is provided with every shipment 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 area at room temperature (15-25°C). Keep away from incompatible materials such as strong oxidizing agents. The container should be kept tightly sealed to protect from moisture absorption.

Specification

Item	Specification
Appearance	Yellow to orange-brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Related Substances (HPLC)	Total impurities ≤ 5.0%
Sulfated Ash	≤ 0.5%

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