Description

Sodium 4-Chloro-3-[4-[(3-Formylphenyl)Azo]-4,5-Dihydro-3-Methyl-5-Oxo-1H-Pyrazol-1-Yl]Benzenesulphonate is a specialized azo dye intermediate with a complex molecular structure designed for high-value synthesis. This compound is critical for imparting specific color and functional properties in advanced dye and pigment manufacturing. It is primarily required by industrial-scale producers in the textile, ink, and specialty chemical sectors seeking consistent, high-purity intermediates for their production processes.

Application

• Key intermediate in the synthesis of high-performance azo dyes and pigments for textiles and fabrics.
• Precursor for manufacturing specialized colorants used in inks, including those for packaging and printing applications.
• Used in research and development for creating novel functional dyes with specific light-absorption or chemical properties.
• Potential intermediate in the production of color filters for optical and electronic displays.
• Employed in the synthesis of dyes for leather and other specialty materials.
• Starting material for reactive dyes used in cellulose fiber dyeing processes.

Basic Information

Product Name	Sodium 4-Chloro-3-[4-[(3-Formylphenyl)Azo]-4,5-Dihydro-3-Methyl-5-Oxo-1H-Pyrazol-1-Yl]Benzenesulphonate
CAS No.	93804-42-3
Molecular Formula	C23H16ClN4NaO5S
Molecular Weight	526.90 g/mol
Synonyms	Benzenesulfonic acid, 4-chloro-3-[4-[(3-formylphenyl)azo]-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl]-, sodium salt; Sodium 4-chloro-3-(4-(3-formylphenylazo)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl)benzenesulfonate; Azo dye intermediate 93804-42-3; 1H-Pyrazole-1-benzenesulfonic acid derivative; 4-Chloro-3-[4-[(3-formylphenyl)azo]-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl]benzenesulfonic acid sodium salt
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 is analyzed using advanced chromatographic and spectroscopic techniques to verify identity and meet specified impurity profiles. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and related substances is provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled 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.

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 (Sulfated Ash)	≤ 1.0%
Heavy Metals (as Pb)	≤ 20 ppm
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.