Description

Chromate(1-), bis[4-[[1-(3-chlorophenyl) -4,5-dihydro-3-methyChromate(1-), bis[4-[[1-(3-chlorophenyl) -4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-4-yl]azo] -3-hydroxy-N-methylbenzenesulfonl-5-oxo-1H-pyrazo l-4-yl]azo]-3-hydroxy-N-methylbenzenesulfonamidato (2-) is a complex chromium-based azo dye intermediate of significant industrial importance. This compound is valued for its role as a key precursor in the synthesis of high-performance pigments and dyes, offering excellent color properties and stability. It is primarily needed by manufacturers in the pigments, specialty dyes, and advanced materials sectors for producing durable colorants.

Application

• High-Performance Pigment Synthesis: A critical intermediate for manufacturing complex inorganic color pigments (CICPs) and other high-stability pigments.
• Specialty Dye Production: Used in the synthesis of azo dyes for applications requiring specific lightfastness and thermal stability.
• Coatings and Paints: Imparts durable coloration in industrial and automotive coatings where weather resistance is paramount.
• Plastics and Polymers: Serves as a colorant precursor for engineering plastics and synthetic fibers.
• Ink Formulations: Used in the production of specialty printing inks, including those for security or high-durability applications.
• Research & Development: Acts as a key reagent in chemical research for developing new chromogenic materials and coordination complexes.

Basic Information

Product Name	Chromate(1-), bis[4-[[1-(3-chlorophenyl) -4,5-dihydro-3-methyChromate(1-), bis[4-[[1-(3-chlorophenyl) -4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-4-yl]azo] -3-hydroxy-N-methylbenzenesulfonl-5-oxo-1H-pyrazo l-4-yl]azo]-3-hydroxy-N-methylbenzenesulfonamidato (2-)
CAS No.	129984-38-9
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Bis[4-[[1-(3-chlorophenyl)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-4-yl]azo]-3-hydroxy-N-methylbenzenesulfonamidato]chromate(1-); Chromium complex of an azo pyrazolone sulfonamide derivative; Azo chromium complex dye intermediate; C.I. Pigment Yellow 183 (related complex); PY183 intermediate; 3-Chlorophenyl pyrazolone azo chromium complex; Sulfonated azo chromium complex
EINECS	Contact for details

Quality Control

Our products undergo rigorous quality testing to ensure compliance with industry standards and batch-to-batch consistency. Quality is verified through analytical methods including HPLC, spectrophotometry, and metal content analysis. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Keep away from incompatible materials such as strong oxidizing agents. The container must be kept tightly sealed to protect from moisture.

Specification

Item	Specification
Appearance	Contact for details
Identification (IR)	Conforms
Assay (HPLC)	≥ 95.0%
Chromium Content	Contact for details
Loss on Drying	≤ 2.0%
Residue on Ignition	Contact for details
Heavy Metals (as Pb)	≤ 20 ppm
Solubility	Contact for details

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