Description

Disodium Hydrogen Bis[5-Chloro-3-[(4,5-Dihydro-3-Methyl-5-Oxo-1-Phenyl-1H-Pyrazol-4-Yl)Azo]-2-Hydroxybenzenesulphonato(3-)]Chromate(3-) is a high-purity, complex chromium azo dye intermediate essential for producing vibrant and stable pigments. This compound matters because it provides the critical chromophore structure necessary for achieving specific, durable shades of color in demanding industrial applications. It is primarily needed by manufacturers in the pigments and dyes, specialty coatings, plastics, and ink industries seeking consistent quality for their formulations.

Application

• Precursor for High-Performance Organic Pigments: Serves as a key intermediate in synthesizing complex azo pigments known for excellent color strength and weatherfastness.
• Automotive and Industrial Coatings: Used in the production of pigments for coatings that require long-term color stability and resistance to UV light and harsh environmental conditions.
• Plastics and Masterbatch Coloring: Integral for creating colorants used in engineering plastics and polymer masterbatches, ensuring consistent hue and thermal stability during processing.
• Specialty Inks: Employed in manufacturing pigments for high-quality printing inks, including packaging and security inks, where color fidelity and durability are paramount.
• Textile Dye Synthesis: Acts as an intermediate for developing specific dye classes used in coloring synthetic fibers.
• Research and Development: Used in chemical R&D for creating novel chromogenic compounds and studying structure-property relationships in dye chemistry.

Basic Information

Product Name	Disodium Hydrogen Bis[5-Chloro-3-[(4,5-Dihydro-3-Methyl-5-Oxo-1-Phenyl-1H-Pyrazol-4-Yl)Azo]-2-Hydroxybenzenesulphonato(3-)]Chromate(3-)
CAS No.	6408-26-0
Molecular Formula	C32H20Cl2CrN8Na2O12S2
Molecular Weight	921.62 g/mol
Synonyms	Chromate(3-), bis[5-chloro-3-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]-2-hydroxybenzenesulfonato(3-)]-, hydrogen, disodium salt; C.I. Pigment Orange 68; Disodium 5-chloro-3-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]-2-hydroxybenzenesulfonato(3-)]chromate(3-); Azo chromium complex dye intermediate; Chromium azo complex; Pigment Orange 68 intermediate; 1-Phenyl-3-methyl-4-[(5-chloro-2-hydroxy-3-sulfophenyl)azo]-5-pyrazolone chromium complex
EINECS	Contact for details

Quality Control

Our Disodium Hydrogen Bis[5-Chloro-3-[(4,5-Dihydro-3-Methyl-5-Oxo-1-Phenyl-1H-Pyrazol-4-Yl)Azo]-2-Hydroxybenzenesulphonato(3-)]Chromate(3-) is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure it meets precise specifications for purity, chromophore content, and impurity profiles. Certificates of Analysis (COA) detailing key parameters 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, well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents. Due to its complex organic structure, prolonged exposure to elevated temperatures or humidity should be avoided to maintain product integrity.

Specification

Item	Specification
Appearance	Dark red to brown powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Chromium Content	5.5 - 6.5 %
Loss on Drying	≤ 2.0 %
Sulfated Ash	≤ 20.0 %
Heavy Metals (as Pb)	≤ 20 ppm
Solubility	Soluble in water (specific grade dependent)

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