Description

4-Chloro-2-[[4,5-Dihydro-3-Methyl-5-Oxo-1-(3-Sulfophenyl)-1H-Pyrazol-4-Yl]Azo]-5-Methylbenzenesulfonic Acid, Ammonium Calcium Salt is a high-purity, water-soluble azo dye intermediate with a complex, multi-functional structure. This compound is valued for its role as a critical precursor in the synthesis of high-performance dyes and pigments, offering excellent color strength and stability. It is primarily needed by manufacturers in the textile, ink, and specialty chemical industries seeking to produce vivid and durable colorants.

Application

• Primary Intermediate for Azo Dyes: A key building block for synthesizing acid dyes, direct dyes, and reactive dyes used in textile coloring.
• Pigment Manufacturing: Used in the production of high-grade organic pigments for inks, plastics, and coatings.
• Specialty Chemical Synthesis: Serves as a functional intermediate in the creation of complex molecules for research and advanced material development.
• Laboratory Reagent: Employed as a standard or research chemical in analytical and synthetic chemistry laboratories.
• Functional Dye Production: Potential use in creating dyes for specialized applications, such as in paper or leather processing.

Basic Information

Product Name	4-Chloro-2-[[4,5-Dihydro-3-Methyl-5-Oxo-1-(3-Sulfophenyl)-1H-Pyrazol-4-Yl]Azo]-5-Methylbenzenesulfonic Acid, Ammonium Calcium Salt
CAS No.	320748-53-6
Molecular Formula	C17H15ClN4O7S2 · xCa · yNH4
Molecular Weight	Contact for details
Synonyms	4-Chloro-2-[(4,5-dihydro-3-methyl-5-oxo-1-(3-sulfophenyl)-1H-pyrazol-4-yl)azo]-5-methylbenzenesulfonic acid, ammonium calcium salt; Azo dye intermediate 320748-53-6; Calcium ammonium salt of 4-chloro-2-[(4,5-dihydro-3-methyl-5-oxo-1-(3-sulfophenyl)-1H-pyrazol-4-yl)azo]-5-methylbenzenesulfonic acid; Benzenesulfonic acid, 4-chloro-2-[[4,5-dihydro-3-methyl-5-oxo-1-(3-sulfophenyl)-1H-pyrazol-4-yl]azo]-5-methyl-, ammonium calcium salt; 1H-Pyrazole-4-azo intermediate; Acid Dye Intermediate CAS 320748-53-6
EINECS	Contact for details

Quality Control

Our production of 4-Chloro-2-[[4,5-Dihydro-3-Methyl-5-Oxo-1-(3-Sulfophenyl)-1H-Pyrazol-4-Yl]Azo]-5-Methylbenzenesulfonic Acid, Ammonium Calcium Salt adheres to stringent quality management protocols. Every batch undergoes rigorous analytical testing to ensure consistent purity, identity, and performance. Certificates of Analysis (COA) detailing key specifications are available upon request to support your quality assurance and regulatory compliance 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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Powder (Color varies by batch)
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0%
Heavy Metals	≤ 20 ppm
Solubility (Water)	Soluble

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