Description

Calcium 2-Chloro-5-[[4,5-Dihydro-3-Methyl-5-Oxo-1-(3-Sulphonatophenyl)-1H-Pyrazol-4-Yl]Azo]Benzenesulphonate is a high-purity, water-soluble azo dye complex salt. This compound is valued for its excellent color strength, stability, and compatibility in demanding industrial formulations. It is primarily utilized by manufacturers in the textile, ink, and specialty coatings industries seeking reliable and consistent colorants for their products.

Application

• Textile Dyeing and Printing: As a key colorant for dyeing cotton, wool, silk, and synthetic fibers, offering good wash and light fastness.
• Ink Manufacturing: Used in the production of inks for packaging, security printing, and specialty publications.
• Industrial Coatings and Paints: Imparts color to coatings where specific hue and chemical resistance are required.
• Paper Coloring: Employed in the surface coloring and coating of high-grade papers and boards.
• Leather Finishing: Used in dyes for finishing and coloring leather goods.
• Plastic and Polymer Coloring: Suitable for coloring certain types of plastics and polymers during manufacturing.
• Biological Staining (Research Grade): Potential use as a histological stain in laboratory research settings.

Basic Information

Item	Details
Product Name	Calcium 2-Chloro-5-[[4,5-Dihydro-3-Methyl-5-Oxo-1-(3-Sulphonatophenyl)-1H-Pyrazol-4-Yl]Azo]Benzenesulphonate
CAS No.	85605-12-5
Molecular Formula	C22H14CaClN4O8S2
Molecular Weight	601.02 g/mol
Synonyms	Calcium 2-Chloro-5-[(4,5-dihydro-3-methyl-5-oxo-1-(3-sulfophenyl)-1H-pyrazol-4-yl)azo]benzenesulfonate; C.I. Acid Yellow 220; C.I. 22090; Acid Yellow 220 Calcium Salt; 2-Chloro-5-[(4,5-dihydro-3-methyl-5-oxo-1-(3-sulfophenyl)-1H-pyrazol-4-yl)azo]benzenesulfonic Acid Calcium Salt; 1,3-Benzenedisulfonic Acid, 2-Chloro-5-[(4,5-dihydro-3-methyl-5-oxo-1-(3-sulfophenyl)-1H-pyrazol-4-yl)azo]-, Calcium Salt (1:1); Calcium 2-Chloro-5-[(4,5-dihydro-3-methyl-5-oxo-1-(3-sulfonatophenyl)-1H-pyrazol-4-yl)azo]benzenesulfonate
EINECS	Contact for details

Quality Control

Our production of Calcium 2-Chloro-5-[[4,5-Dihydro-3-Methyl-5-Oxo-1-(3-Sulphonatophenyl)-1H-Pyrazol-4-Yl]Azo]Benzenesulphonate adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC for purity and spectrophotometry for color strength, to ensure consistent performance and compliance with customer specifications. A detailed Certificate of Analysis (COA) is 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). This material is hygroscopic (moisture-sensitive) and light-sensitive; ensure containers are kept sealed when not in use to prevent moisture absorption and degradation.

Specification

Item	Specification
Appearance	Yellow to Orange Powder
Identification (IR)	Conforms to Standard
Assay (HPLC)	≥ 95.0%
Color Strength	100 ± 5% (vs. Standard)
Moisture Content (KF)	≤ 5.0%
Water Solubility	Clear Solution
Ash Content	≤ 20.0%
Heavy Metals (as Pb)	≤ 20 ppm

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